datetime escapes the sandbox. The Windows build is all set. I leave it
to others to argue about how to build it on other platforms (on Windows
it's in its own DLL).
diff --git a/Modules/datetimemodule.c b/Modules/datetimemodule.c
new file mode 100644
index 0000000..58af972
--- /dev/null
+++ b/Modules/datetimemodule.c
@@ -0,0 +1,5075 @@
+/* C implementation for the date/time type documented at
+ * http://www.zope.org/Members/fdrake/DateTimeWiki/FrontPage
+ */
+
+#include "Python.h"
+#include "modsupport.h"
+#include "structmember.h"
+
+#include <time.h>
+
+#include "datetime.h"
+
+/* We require that C int be at least 32 bits, and use int virtually
+ * everywhere. In just a few cases we use a temp long, where a Python
+ * API returns a C long. In such cases, we have to ensure that the
+ * final result fits in a C int (this can be an issue on 64-bit boxes).
+ */
+#if SIZEOF_INT < 4
+# error "datetime.c requires that C int have at least 32 bits"
+#endif
+
+#define MINYEAR 1
+#define MAXYEAR 9999
+
+/* Nine decimal digits is easy to communicate, and leaves enough room
+ * so that two delta days can be added w/o fear of overflowing a signed
+ * 32-bit int, and with plenty of room left over to absorb any possible
+ * carries from adding seconds.
+ */
+#define MAX_DELTA_DAYS 999999999
+
+/* Rename the long macros in datetime.h to more reasonable short names. */
+#define GET_YEAR PyDateTime_GET_YEAR
+#define GET_MONTH PyDateTime_GET_MONTH
+#define GET_DAY PyDateTime_GET_DAY
+#define DATE_GET_HOUR PyDateTime_DATE_GET_HOUR
+#define DATE_GET_MINUTE PyDateTime_DATE_GET_MINUTE
+#define DATE_GET_SECOND PyDateTime_DATE_GET_SECOND
+#define DATE_GET_MICROSECOND PyDateTime_DATE_GET_MICROSECOND
+
+/* Date accessors for date and datetime. */
+#define SET_YEAR(o, v) (((o)->data[0] = ((v) & 0xff00) >> 8), \
+ ((o)->data[1] = ((v) & 0x00ff)))
+#define SET_MONTH(o, v) (PyDateTime_GET_MONTH(o) = (v))
+#define SET_DAY(o, v) (PyDateTime_GET_DAY(o) = (v))
+
+/* Date/Time accessors for datetime. */
+#define DATE_SET_HOUR(o, v) (PyDateTime_DATE_GET_HOUR(o) = (v))
+#define DATE_SET_MINUTE(o, v) (PyDateTime_DATE_GET_MINUTE(o) = (v))
+#define DATE_SET_SECOND(o, v) (PyDateTime_DATE_GET_SECOND(o) = (v))
+#define DATE_SET_MICROSECOND(o, v) \
+ (((o)->data[7] = ((v) & 0xff0000) >> 16), \
+ ((o)->data[8] = ((v) & 0x00ff00) >> 8), \
+ ((o)->data[9] = ((v) & 0x0000ff)))
+
+/* Time accessors for time. */
+#define TIME_GET_HOUR PyDateTime_TIME_GET_HOUR
+#define TIME_GET_MINUTE PyDateTime_TIME_GET_MINUTE
+#define TIME_GET_SECOND PyDateTime_TIME_GET_SECOND
+#define TIME_GET_MICROSECOND PyDateTime_TIME_GET_MICROSECOND
+#define TIME_SET_HOUR(o, v) (PyDateTime_TIME_GET_HOUR(o) = (v))
+#define TIME_SET_MINUTE(o, v) (PyDateTime_TIME_GET_MINUTE(o) = (v))
+#define TIME_SET_SECOND(o, v) (PyDateTime_TIME_GET_SECOND(o) = (v))
+#define TIME_SET_MICROSECOND(o, v) \
+ (((o)->data[3] = ((v) & 0xff0000) >> 16), \
+ ((o)->data[4] = ((v) & 0x00ff00) >> 8), \
+ ((o)->data[5] = ((v) & 0x0000ff)))
+
+/* Delta accessors for timedelta. */
+#define GET_TD_DAYS(o) (((PyDateTime_Delta *)(o))->days)
+#define GET_TD_SECONDS(o) (((PyDateTime_Delta *)(o))->seconds)
+#define GET_TD_MICROSECONDS(o) (((PyDateTime_Delta *)(o))->microseconds)
+
+#define SET_TD_DAYS(o, v) ((o)->days = (v))
+#define SET_TD_SECONDS(o, v) ((o)->seconds = (v))
+#define SET_TD_MICROSECONDS(o, v) ((o)->microseconds = (v))
+
+/* Forward declarations. */
+static PyTypeObject PyDateTime_DateType;
+static PyTypeObject PyDateTime_DateTimeType;
+static PyTypeObject PyDateTime_DateTimeTZType;
+static PyTypeObject PyDateTime_DeltaType;
+static PyTypeObject PyDateTime_TimeType;
+static PyTypeObject PyDateTime_TZInfoType;
+static PyTypeObject PyDateTime_TimeTZType;
+
+/* ---------------------------------------------------------------------------
+ * Math utilities.
+ */
+
+/* k = i+j overflows iff k differs in sign from both inputs,
+ * iff k^i has sign bit set and k^j has sign bit set,
+ * iff (k^i)&(k^j) has sign bit set.
+ */
+#define SIGNED_ADD_OVERFLOWED(RESULT, I, J) \
+ ((((RESULT) ^ (I)) & ((RESULT) ^ (J))) < 0)
+
+/* Compute Python divmod(x, y), returning the quotient and storing the
+ * remainder into *r. The quotient is the floor of x/y, and that's
+ * the real point of this. C will probably truncate instead (C99
+ * requires truncation; C89 left it implementation-defined).
+ * Simplification: we *require* that y > 0 here. That's appropriate
+ * for all the uses made of it. This simplifies the code and makes
+ * the overflow case impossible (divmod(LONG_MIN, -1) is the only
+ * overflow case).
+ */
+static int
+divmod(int x, int y, int *r)
+{
+ int quo;
+
+ assert(y > 0);
+ quo = x / y;
+ *r = x - quo * y;
+ if (*r < 0) {
+ --quo;
+ *r += y;
+ }
+ assert(0 <= *r && *r < y);
+ return quo;
+}
+
+/* ---------------------------------------------------------------------------
+ * General calendrical helper functions
+ */
+
+/* For each month ordinal in 1..12, the number of days in that month,
+ * and the number of days before that month in the same year. These
+ * are correct for non-leap years only.
+ */
+static int _days_in_month[] = {
+ 0, /* unused; this vector uses 1-based indexing */
+ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
+};
+
+static int _days_before_month[] = {
+ 0, /* unused; this vector uses 1-based indexing */
+ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
+};
+
+/* year -> 1 if leap year, else 0. */
+static int
+is_leap(int year)
+{
+ /* Cast year to unsigned. The result is the same either way, but
+ * C can generate faster code for unsigned mod than for signed
+ * mod (especially for % 4 -- a good compiler should just grab
+ * the last 2 bits when the LHS is unsigned).
+ */
+ const unsigned int ayear = (unsigned int)year;
+ return ayear % 4 == 0 && (ayear % 100 != 0 || ayear % 400 == 0);
+}
+
+/* year, month -> number of days in that month in that year */
+static int
+days_in_month(int year, int month)
+{
+ assert(month >= 1);
+ assert(month <= 12);
+ if (month == 2 && is_leap(year))
+ return 29;
+ else
+ return _days_in_month[month];
+}
+
+/* year, month -> number of days in year preceeding first day of month */
+static int
+days_before_month(int year, int month)
+{
+ int days;
+
+ assert(month >= 1);
+ assert(month <= 12);
+ days = _days_before_month[month];
+ if (month > 2 && is_leap(year))
+ ++days;
+ return days;
+}
+
+/* year -> number of days before January 1st of year. Remember that we
+ * start with year 1, so days_before_year(1) == 0.
+ */
+static int
+days_before_year(int year)
+{
+ int y = year - 1;
+ /* This is incorrect if year <= 0; we really want the floor
+ * here. But so long as MINYEAR is 1, the smallest year this
+ * can see is 0 (this can happen in some normalization endcases),
+ * so we'll just special-case that.
+ */
+ assert (year >= 0);
+ if (y >= 0)
+ return y*365 + y/4 - y/100 + y/400;
+ else {
+ assert(y == -1);
+ return -366;
+ }
+}
+
+/* Number of days in 4, 100, and 400 year cycles. That these have
+ * the correct values is asserted in the module init function.
+ */
+#define DI4Y 1461 /* days_before_year(5); days in 4 years */
+#define DI100Y 36524 /* days_before_year(101); days in 100 years */
+#define DI400Y 146097 /* days_before_year(401); days in 400 years */
+
+/* ordinal -> year, month, day, considering 01-Jan-0001 as day 1. */
+static void
+ord_to_ymd(int ordinal, int *year, int *month, int *day)
+{
+ int n, n1, n4, n100, n400, leapyear, preceding;
+
+ /* ordinal is a 1-based index, starting at 1-Jan-1. The pattern of
+ * leap years repeats exactly every 400 years. The basic strategy is
+ * to find the closest 400-year boundary at or before ordinal, then
+ * work with the offset from that boundary to ordinal. Life is much
+ * clearer if we subtract 1 from ordinal first -- then the values
+ * of ordinal at 400-year boundaries are exactly those divisible
+ * by DI400Y:
+ *
+ * D M Y n n-1
+ * -- --- ---- ---------- ----------------
+ * 31 Dec -400 -DI400Y -DI400Y -1
+ * 1 Jan -399 -DI400Y +1 -DI400Y 400-year boundary
+ * ...
+ * 30 Dec 000 -1 -2
+ * 31 Dec 000 0 -1
+ * 1 Jan 001 1 0 400-year boundary
+ * 2 Jan 001 2 1
+ * 3 Jan 001 3 2
+ * ...
+ * 31 Dec 400 DI400Y DI400Y -1
+ * 1 Jan 401 DI400Y +1 DI400Y 400-year boundary
+ */
+ assert(ordinal >= 1);
+ --ordinal;
+ n400 = ordinal / DI400Y;
+ n = ordinal % DI400Y;
+ *year = n400 * 400 + 1;
+
+ /* Now n is the (non-negative) offset, in days, from January 1 of
+ * year, to the desired date. Now compute how many 100-year cycles
+ * precede n.
+ * Note that it's possible for n100 to equal 4! In that case 4 full
+ * 100-year cycles precede the desired day, which implies the
+ * desired day is December 31 at the end of a 400-year cycle.
+ */
+ n100 = n / DI100Y;
+ n = n % DI100Y;
+
+ /* Now compute how many 4-year cycles precede it. */
+ n4 = n / DI4Y;
+ n = n % DI4Y;
+
+ /* And now how many single years. Again n1 can be 4, and again
+ * meaning that the desired day is December 31 at the end of the
+ * 4-year cycle.
+ */
+ n1 = n / 365;
+ n = n % 365;
+
+ *year += n100 * 100 + n4 * 4 + n1;
+ if (n1 == 4 || n100 == 4) {
+ assert(n == 0);
+ *year -= 1;
+ *month = 12;
+ *day = 31;
+ return;
+ }
+
+ /* Now the year is correct, and n is the offset from January 1. We
+ * find the month via an estimate that's either exact or one too
+ * large.
+ */
+ leapyear = n1 == 3 && (n4 != 24 || n100 == 3);
+ assert(leapyear == is_leap(*year));
+ *month = (n + 50) >> 5;
+ preceding = (_days_before_month[*month] + (*month > 2 && leapyear));
+ if (preceding > n) {
+ /* estimate is too large */
+ *month -= 1;
+ preceding -= days_in_month(*year, *month);
+ }
+ n -= preceding;
+ assert(0 <= n);
+ assert(n < days_in_month(*year, *month));
+
+ *day = n + 1;
+}
+
+/* year, month, day -> ordinal, considering 01-Jan-0001 as day 1. */
+static int
+ymd_to_ord(int year, int month, int day)
+{
+ return days_before_year(year) + days_before_month(year, month) + day;
+}
+
+/* Day of week, where Monday==0, ..., Sunday==6. 1/1/1 was a Monday. */
+static int
+weekday(int year, int month, int day)
+{
+ return (ymd_to_ord(year, month, day) + 6) % 7;
+}
+
+/* Ordinal of the Monday starting week 1 of the ISO year. Week 1 is the
+ * first calendar week containing a Thursday.
+ */
+static int
+iso_week1_monday(int year)
+{
+ int first_day = ymd_to_ord(year, 1, 1); /* ord of 1/1 */
+ /* 0 if 1/1 is a Monday, 1 if a Tue, etc. */
+ int first_weekday = (first_day + 6) % 7;
+ /* ordinal of closest Monday at or before 1/1 */
+ int week1_monday = first_day - first_weekday;
+
+ if (first_weekday > 3) /* if 1/1 was Fri, Sat, Sun */
+ week1_monday += 7;
+ return week1_monday;
+}
+
+/* ---------------------------------------------------------------------------
+ * Range checkers.
+ */
+
+/* Check that -MAX_DELTA_DAYS <= days <= MAX_DELTA_DAYS. If so, return 0.
+ * If not, raise OverflowError and return -1.
+ */
+static int
+check_delta_day_range(int days)
+{
+ if (-MAX_DELTA_DAYS <= days && days <= MAX_DELTA_DAYS)
+ return 0;
+ PyErr_Format(PyExc_OverflowError,
+ "days=%d; must have magnitude <= %d",
+ days);
+ return -1;
+}
+
+/* Check that date arguments are in range. Return 0 if they are. If they
+ * aren't, raise ValueError and return -1.
+ */
+static int
+check_date_args(int year, int month, int day)
+{
+
+ if (year < MINYEAR || year > MAXYEAR) {
+ PyErr_SetString(PyExc_ValueError,
+ "year is out of range");
+ return -1;
+ }
+ if (month < 1 || month > 12) {
+ PyErr_SetString(PyExc_ValueError,
+ "month must be in 1..12");
+ return -1;
+ }
+ if (day < 1 || day > days_in_month(year, month)) {
+ PyErr_SetString(PyExc_ValueError,
+ "day is out of range for month");
+ return -1;
+ }
+ return 0;
+}
+
+/* Check that time arguments are in range. Return 0 if they are. If they
+ * aren't, raise ValueError and return -1.
+ */
+static int
+check_time_args(int h, int m, int s, int us)
+{
+ if (h < 0 || h > 23) {
+ PyErr_SetString(PyExc_ValueError,
+ "hour must be in 0..23");
+ return -1;
+ }
+ if (m < 0 || m > 59) {
+ PyErr_SetString(PyExc_ValueError,
+ "minute must be in 0..59");
+ return -1;
+ }
+ if (s < 0 || s > 59) {
+ PyErr_SetString(PyExc_ValueError,
+ "second must be in 0..59");
+ return -1;
+ }
+ if (us < 0 || us > 999999) {
+ PyErr_SetString(PyExc_ValueError,
+ "microsecond must be in 0..999999");
+ return -1;
+ }
+ return 0;
+}
+
+/* ---------------------------------------------------------------------------
+ * Normalization utilities.
+ */
+
+/* One step of a mixed-radix conversion. A "hi" unit is equivalent to
+ * factor "lo" units. factor must be > 0. If *lo is less than 0, or
+ * at least factor, enough of *lo is converted into "hi" units so that
+ * 0 <= *lo < factor. The input values must be such that int overflow
+ * is impossible.
+ */
+static void
+normalize_pair(int *hi, int *lo, int factor)
+{
+ assert(factor > 0);
+ assert(lo != hi);
+ if (*lo < 0 || *lo >= factor) {
+ const int num_hi = divmod(*lo, factor, lo);
+ const int new_hi = *hi + num_hi;
+ assert(! SIGNED_ADD_OVERFLOWED(new_hi, *hi, num_hi));
+ *hi = new_hi;
+ }
+ assert(0 <= *lo && *lo < factor);
+}
+
+/* Fiddle days (d), seconds (s), and microseconds (us) so that
+ * 0 <= *s < 24*3600
+ * 0 <= *us < 1000000
+ * The input values must be such that the internals don't overflow.
+ * The way this routine is used, we don't get close.
+ */
+static void
+normalize_d_s_us(int *d, int *s, int *us)
+{
+ if (*us < 0 || *us >= 1000000) {
+ normalize_pair(s, us, 1000000);
+ /* |s| can't be bigger than about
+ * |original s| + |original us|/1000000 now.
+ */
+
+ }
+ if (*s < 0 || *s >= 24*3600) {
+ normalize_pair(d, s, 24*3600);
+ /* |d| can't be bigger than about
+ * |original d| +
+ * (|original s| + |original us|/1000000) / (24*3600) now.
+ */
+ }
+ assert(0 <= *s && *s < 24*3600);
+ assert(0 <= *us && *us < 1000000);
+}
+
+/* Fiddle years (y), months (m), and days (d) so that
+ * 1 <= *m <= 12
+ * 1 <= *d <= days_in_month(*y, *m)
+ * The input values must be such that the internals don't overflow.
+ * The way this routine is used, we don't get close.
+ */
+static void
+normalize_y_m_d(int *y, int *m, int *d)
+{
+ int dim; /* # of days in month */
+
+ /* This gets muddy: the proper range for day can't be determined
+ * without knowing the correct month and year, but if day is, e.g.,
+ * plus or minus a million, the current month and year values make
+ * no sense (and may also be out of bounds themselves).
+ * Saying 12 months == 1 year should be non-controversial.
+ */
+ if (*m < 1 || *m > 12) {
+ --*m;
+ normalize_pair(y, m, 12);
+ ++*m;
+ /* |y| can't be bigger than about
+ * |original y| + |original m|/12 now.
+ */
+ }
+ assert(1 <= *m && *m <= 12);
+
+ /* Now only day can be out of bounds (year may also be out of bounds
+ * for a datetime object, but we don't care about that here).
+ * If day is out of bounds, what to do is arguable, but at least the
+ * method here is principled and explainable.
+ */
+ dim = days_in_month(*y, *m);
+ if (*d < 1 || *d > dim) {
+ /* Move day-1 days from the first of the month. First try to
+ * get off cheap if we're only one day out of range
+ * (adjustments for timezone alone can't be worse than that).
+ */
+ if (*d == 0) {
+ --*m;
+ if (*m > 0)
+ *d = days_in_month(*y, *m);
+ else {
+ --*y;
+ *m = 12;
+ *d = 31;
+ }
+ }
+ else if (*d == dim + 1) {
+ /* move forward a day */
+ ++*m;
+ *d = 1;
+ if (*m > 12) {
+ *m = 1;
+ ++*y;
+ }
+ }
+ else {
+ int ordinal = ymd_to_ord(*y, *m, 1) +
+ *d - 1;
+ ord_to_ymd(ordinal, y, m, d);
+ }
+ }
+ assert(*m > 0);
+ assert(*d > 0);
+}
+
+/* Fiddle out-of-bounds months and days so that the result makes some kind
+ * of sense. The parameters are both inputs and outputs. Returns < 0 on
+ * failure, where failure means the adjusted year is out of bounds.
+ */
+static int
+normalize_date(int *year, int *month, int *day)
+{
+ int result;
+
+ normalize_y_m_d(year, month, day);
+ if (MINYEAR <= *year && *year <= MAXYEAR)
+ result = 0;
+ else {
+ PyErr_SetString(PyExc_OverflowError,
+ "date value out of range");
+ result = -1;
+ }
+ return result;
+}
+
+/* Force all the datetime fields into range. The parameters are both
+ * inputs and outputs. Returns < 0 on error.
+ */
+static int
+normalize_datetime(int *year, int *month, int *day,
+ int *hour, int *minute, int *second,
+ int *microsecond)
+{
+ normalize_pair(second, microsecond, 1000000);
+ normalize_pair(minute, second, 60);
+ normalize_pair(hour, minute, 60);
+ normalize_pair(day, hour, 24);
+ return normalize_date(year, month, day);
+}
+
+/* ---------------------------------------------------------------------------
+ * tzinfo helpers.
+ */
+
+/* If self has a tzinfo member, return a BORROWED reference to it. Else
+ * return NULL, which is NOT AN ERROR. There are no error returns here,
+ * and the caller must not decref the result.
+ */
+static PyObject *
+get_tzinfo_member(PyObject *self)
+{
+ PyObject *tzinfo = NULL;
+
+ if (PyDateTimeTZ_Check(self))
+ tzinfo = ((PyDateTime_DateTimeTZ *)self)->tzinfo;
+ else if (PyTimeTZ_Check(self))
+ tzinfo = ((PyDateTime_TimeTZ *)self)->tzinfo;
+
+ return tzinfo;
+}
+
+/* Ensure that p is None or of a tzinfo subclass. Return 0 if OK; if not
+ * raise TypeError and return -1.
+ */
+static int
+check_tzinfo_subclass(PyObject *p)
+{
+ if (p == Py_None || PyTZInfo_Check(p))
+ return 0;
+ PyErr_Format(PyExc_TypeError,
+ "tzinfo argument must be None or of a tzinfo subclass, "
+ "not type '%s'",
+ p->ob_type->tp_name);
+ return -1;
+}
+
+/* Internal helper.
+ * Call getattr(tzinfo, name)(tzinfoarg), and extract an int from the
+ * result. tzinfo must be an instance of the tzinfo class. If the method
+ * returns None, this returns 0 and sets *none to 1. If the method doesn't
+ * return a Python int or long, TypeError is raised and this returns -1.
+ * If it does return an int or long, but is outside the valid range for
+ * a UTC minute offset, ValueError is raised and this returns -1.
+ * Else *none is set to 0 and the integer method result is returned.
+ */
+static int
+call_utc_tzinfo_method(PyObject *tzinfo, char *name, PyObject *tzinfoarg,
+ int *none)
+{
+ PyObject *u;
+ long result = -1; /* Py{Int,Long}_AsLong return long */
+
+ assert(tzinfo != NULL);
+ assert(PyTZInfo_Check(tzinfo));
+ assert(tzinfoarg != NULL);
+
+ *none = 0;
+ u = PyObject_CallMethod(tzinfo, name, "O", tzinfoarg);
+ if (u == NULL)
+ return -1;
+
+ if (u == Py_None) {
+ result = 0;
+ *none = 1;
+ goto Done;
+ }
+
+ if (PyInt_Check(u))
+ result = PyInt_AS_LONG(u);
+ else if (PyLong_Check(u))
+ result = PyLong_AsLong(u);
+ else {
+ PyErr_Format(PyExc_TypeError,
+ "tzinfo.%s() must return None or int or long",
+ name);
+ goto Done;
+ }
+
+Done:
+ Py_DECREF(u);
+ if (result < -1439 || result > 1439) {
+ PyErr_Format(PyExc_ValueError,
+ "tzinfo.%s() returned %ld; must be in "
+ "-1439 .. 1439",
+ name, result);
+ result = -1;
+ }
+ return (int)result;
+}
+
+/* Call tzinfo.utcoffset(tzinfoarg), and extract an integer from the
+ * result. tzinfo must be an instance of the tzinfo class. If utcoffset()
+ * returns None, call_utcoffset returns 0 and sets *none to 1. If uctoffset()
+ & doesn't return a Python int or long, TypeError is raised and this
+ * returns -1. If utcoffset() returns an int outside the legitimate range
+ * for a UTC offset, ValueError is raised and this returns -1. Else
+ * *none is set to 0 and the offset is returned.
+ */
+static int
+call_utcoffset(PyObject *tzinfo, PyObject *tzinfoarg, int *none)
+{
+ return call_utc_tzinfo_method(tzinfo, "utcoffset", tzinfoarg, none);
+}
+
+/* Call tzinfo.dst(tzinfoarg), and extract an integer from the
+ * result. tzinfo must be an instance of the tzinfo class. If dst()
+ * returns None, call_dst returns 0 and sets *none to 1. If dst()
+ & doesn't return a Python int or long, TypeError is raised and this
+ * returns -1. If dst() returns an int outside the legitimate range
+ * for a UTC offset, ValueError is raised and this returns -1. Else
+ * *none is set to 0 and the offset is returned.
+ */
+static int
+call_dst(PyObject *tzinfo, PyObject *tzinfoarg, int *none)
+{
+ return call_utc_tzinfo_method(tzinfo, "dst", tzinfoarg, none);
+}
+
+/* Call tzinfo.tzname(tzinfoarg), and return the result. tzinfo must be
+ * an instance of the tzinfo class. If tzname() doesn't return None or
+ * a string, TypeError is raised and this returns NULL.
+ */
+static PyObject *
+call_tzname(PyObject *tzinfo, PyObject *tzinfoarg)
+{
+ PyObject *result;
+
+ assert(tzinfo != NULL);
+ assert(PyTZInfo_Check(tzinfo));
+ assert(tzinfoarg != NULL);
+
+ result = PyObject_CallMethod(tzinfo, "tzname", "O", tzinfoarg);
+ if (result != NULL && result != Py_None && !PyString_Check(result)) {
+ PyErr_Format(PyExc_TypeError, ".tzinfo.tzname() must "
+ "return None or a string, not '%s'",
+ result->ob_type->tp_name);
+ Py_DECREF(result);
+ result = NULL;
+ }
+ return result;
+}
+
+typedef enum {
+ /* an exception has been set; the caller should pass it on */
+ OFFSET_ERROR,
+
+ /* type isn't date, datetime, datetimetz subclass, time, or
+ * timetz subclass
+ */
+ OFFSET_UNKNOWN,
+
+ /* date,
+ * datetime,
+ * datetimetz with None tzinfo,
+ * datetimetz where utcoffset() return None
+ * time,
+ * timetz with None tzinfo,
+ * timetz where utcoffset() returns None
+ */
+ OFFSET_NAIVE,
+
+ /* timetz where utcoffset() doesn't return None,
+ * datetimetz where utcoffset() doesn't return None
+ */
+ OFFSET_AWARE,
+} naivety;
+
+/* Classify a datetime object as to whether it's naive or offset-aware. See
+ * the "naivety" typedef for details. If the type is aware, *offset is set
+ * to minutes east of UTC (as returned by the tzinfo.utcoffset() method).
+ * If the type is offset-naive, *offset is set to 0.
+ */
+static naivety
+classify_object(PyObject *op, int *offset)
+{
+ int none;
+ PyObject *tzinfo;
+
+ *offset = 0;
+ if (PyDateTime_CheckExact(op) ||
+ PyTime_CheckExact(op) ||
+ PyDate_CheckExact(op))
+ return OFFSET_NAIVE;
+
+ tzinfo = get_tzinfo_member(op); /* NULL means none, not error */
+ if (tzinfo == Py_None)
+ return OFFSET_NAIVE;
+ if (tzinfo == NULL)
+ return OFFSET_UNKNOWN;
+
+ *offset = call_utcoffset(tzinfo, op, &none);
+ if (*offset == -1 && PyErr_Occurred())
+ return OFFSET_ERROR;
+ return none ? OFFSET_NAIVE : OFFSET_AWARE;
+}
+
+/* repr is like "someclass(arg1, arg2)". If tzinfo isn't None,
+ * stuff
+ * ", tzinfo=" + repr(tzinfo)
+ * before the closing ")".
+ */
+static PyObject *
+append_keyword_tzinfo(PyObject *repr, PyObject *tzinfo)
+{
+ PyObject *temp;
+
+ assert(PyString_Check(repr));
+ assert(tzinfo);
+ if (tzinfo == Py_None)
+ return repr;
+ /* Get rid of the trailing ')'. */
+ assert(PyString_AsString(repr)[PyString_Size(repr)-1] == ')');
+ temp = PyString_FromStringAndSize(PyString_AsString(repr),
+ PyString_Size(repr) - 1);
+ Py_DECREF(repr);
+ if (temp == NULL)
+ return NULL;
+ repr = temp;
+
+ /* Append ", tzinfo=". */
+ PyString_ConcatAndDel(&repr, PyString_FromString(", tzinfo="));
+
+ /* Append repr(tzinfo). */
+ PyString_ConcatAndDel(&repr, PyObject_Repr(tzinfo));
+
+ /* Add a closing paren. */
+ PyString_ConcatAndDel(&repr, PyString_FromString(")"));
+ return repr;
+}
+
+/* ---------------------------------------------------------------------------
+ * String format helpers.
+ */
+
+static PyObject *
+format_ctime(PyDateTime_Date *date,
+ int hours, int minutes, int seconds)
+{
+ static char *DayNames[] = {
+ "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"
+ };
+ static char *MonthNames[] = {
+ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+ };
+
+ char buffer[128];
+ int wday = weekday(GET_YEAR(date), GET_MONTH(date), GET_DAY(date));
+
+ PyOS_snprintf(buffer, sizeof(buffer), "%s %s %2d %02d:%02d:%02d %04d",
+ DayNames[wday], MonthNames[GET_MONTH(date) - 1],
+ GET_DAY(date), hours, minutes, seconds,
+ GET_YEAR(date));
+ return PyString_FromString(buffer);
+}
+
+/* Add an hours & minutes UTC offset string to buf. buf has no more than
+ * buflen bytes remaining. The UTC offset is gotten by calling
+ * tzinfo.uctoffset(tzinfoarg). If that returns None, \0 is stored into
+ * *buf, and that's all. Else the returned value is checked for sanity (an
+ * integer in range), and if that's OK it's converted to an hours & minutes
+ * string of the form
+ * sign HH sep MM
+ * Returns 0 if everything is OK. If the return value from utcoffset() is
+ * bogus, an appropriate exception is set and -1 is returned.
+ */
+static int
+format_utcoffset(char *buf, int buflen, const char *sep,
+ PyObject *tzinfo, PyObject *tzinfoarg)
+{
+ int offset;
+ int hours;
+ int minutes;
+ char sign;
+ int none;
+
+ offset = call_utcoffset(tzinfo, tzinfoarg, &none);
+ if (offset == -1 && PyErr_Occurred())
+ return -1;
+ if (none) {
+ *buf = '\0';
+ return 0;
+ }
+ sign = '+';
+ if (offset < 0) {
+ sign = '-';
+ offset = - offset;
+ }
+ hours = divmod(offset, 60, &minutes);
+ PyOS_snprintf(buf, buflen, "%c%02d%s%02d", sign, hours, sep, minutes);
+ return 0;
+}
+
+/* I sure don't want to reproduce the strftime code from the time module,
+ * so this imports the module and calls it. All the hair is due to
+ * giving special meanings to the %z and %Z format codes via a preprocessing
+ * step on the format string.
+ */
+static PyObject *
+wrap_strftime(PyObject *object, PyObject *format, PyObject *timetuple)
+{
+ PyObject *result = NULL; /* guilty until proved innocent */
+
+ PyObject *zreplacement = NULL; /* py string, replacement for %z */
+ PyObject *Zreplacement = NULL; /* py string, replacement for %Z */
+
+ char *pin; /* pointer to next char in input format */
+ char ch; /* next char in input format */
+
+ PyObject *newfmt = NULL; /* py string, the output format */
+ char *pnew; /* pointer to available byte in output format */
+ char totalnew; /* number bytes total in output format buffer,
+ exclusive of trailing \0 */
+ char usednew; /* number bytes used so far in output format buffer */
+
+ char *ptoappend; /* pointer to string to append to output buffer */
+ int ntoappend; /* # of bytes to append to output buffer */
+
+ char buf[100]; /* scratch buffer */
+
+ assert(object && format && timetuple);
+ assert(PyString_Check(format));
+
+ /* Scan the input format, looking for %z and %Z escapes, building
+ * a new format.
+ */
+ totalnew = PyString_Size(format); /* realistic if no %z/%Z */
+ newfmt = PyString_FromStringAndSize(NULL, totalnew);
+ if (newfmt == NULL) goto Done;
+ pnew = PyString_AsString(newfmt);
+ usednew = 0;
+
+ pin = PyString_AsString(format);
+ while ((ch = *pin++) != '\0') {
+ if (ch != '%') {
+ buf[0] = ch;
+ ptoappend = buf;
+ ntoappend = 1;
+ }
+ else if ((ch = *pin++) == '\0') {
+ /* There's a lone trailing %; doesn't make sense. */
+ PyErr_SetString(PyExc_ValueError, "strftime format "
+ "ends with raw %");
+ goto Done;
+ }
+ /* A % has been seen and ch is the character after it. */
+ else if (ch == 'z') {
+ if (zreplacement == NULL) {
+ /* format utcoffset */
+ PyObject *tzinfo = get_tzinfo_member(object);
+ zreplacement = PyString_FromString("");
+ if (zreplacement == NULL) goto Done;
+ if (tzinfo != Py_None && tzinfo != NULL) {
+ if (format_utcoffset(buf,
+ (int)sizeof(buf),
+ "",
+ tzinfo,
+ object) < 0)
+ goto Done;
+ Py_DECREF(zreplacement);
+ zreplacement = PyString_FromString(buf);
+ if (zreplacement == NULL) goto Done;
+ }
+ }
+ assert(zreplacement != NULL);
+ ptoappend = PyString_AsString(zreplacement);
+ ntoappend = PyString_Size(zreplacement);
+ }
+ else if (ch == 'Z') {
+ /* format tzname */
+ if (Zreplacement == NULL) {
+ PyObject *tzinfo = get_tzinfo_member(object);
+ Zreplacement = PyString_FromString("");
+ if (Zreplacement == NULL) goto Done;
+ if (tzinfo != Py_None && tzinfo != NULL) {
+ PyObject *temp = call_tzname(tzinfo,
+ object);
+ if (temp == NULL) goto Done;
+ if (temp != Py_None) {
+ assert(PyString_Check(temp));
+ /* Since the tzname is getting
+ * stuffed into the format, we
+ * have to double any % signs
+ * so that strftime doesn't
+ * treat them as format codes.
+ */
+ Py_DECREF(Zreplacement);
+ Zreplacement = PyObject_CallMethod(
+ temp, "replace",
+ "ss", "%", "%%");
+ Py_DECREF(temp);
+ if (Zreplacement == NULL)
+ goto Done;
+ }
+ else
+ Py_DECREF(temp);
+ }
+ }
+ assert(Zreplacement != NULL);
+ ptoappend = PyString_AsString(Zreplacement);
+ ntoappend = PyString_Size(Zreplacement);
+ }
+ else {
+ buf[0] = '%';
+ buf[1] = ch;
+ ptoappend = buf;
+ ntoappend = 2;
+ }
+
+ /* Append the ntoappend chars starting at ptoappend to
+ * the new format.
+ */
+ assert(ntoappend >= 0);
+ if (ntoappend == 0)
+ continue;
+ while (usednew + ntoappend > totalnew) {
+ int bigger = totalnew << 1;
+ if ((bigger >> 1) != totalnew) { /* overflow */
+ PyErr_NoMemory();
+ goto Done;
+ }
+ if (_PyString_Resize(&newfmt, bigger) < 0)
+ goto Done;
+ totalnew = bigger;
+ pnew = PyString_AsString(newfmt) + usednew;
+ }
+ memcpy(pnew, ptoappend, ntoappend);
+ pnew += ntoappend;
+ usednew += ntoappend;
+ assert(usednew <= totalnew);
+ } /* end while() */
+
+ if (_PyString_Resize(&newfmt, usednew) < 0)
+ goto Done;
+ {
+ PyObject *time = PyImport_ImportModule("time");
+ if (time == NULL)
+ goto Done;
+ result = PyObject_CallMethod(time, "strftime", "OO",
+ newfmt, timetuple);
+ Py_DECREF(time);
+ }
+ Done:
+ Py_XDECREF(zreplacement);
+ Py_XDECREF(Zreplacement);
+ Py_XDECREF(newfmt);
+ return result;
+}
+
+static char *
+isoformat_date(PyDateTime_Date *dt, char buffer[], int bufflen)
+{
+ int x;
+ x = PyOS_snprintf(buffer, bufflen,
+ "%04d-%02d-%02d",
+ GET_YEAR(dt), GET_MONTH(dt), GET_DAY(dt));
+ return buffer + x;
+}
+
+static void
+isoformat_time(PyDateTime_DateTime *dt, char buffer[], int bufflen)
+{
+ int us = DATE_GET_MICROSECOND(dt);
+
+ PyOS_snprintf(buffer, bufflen,
+ "%02d:%02d:%02d", /* 8 characters */
+ DATE_GET_HOUR(dt),
+ DATE_GET_MINUTE(dt),
+ DATE_GET_SECOND(dt));
+ if (us)
+ PyOS_snprintf(buffer + 8, bufflen - 8, ".%06d", us);
+}
+
+/* ---------------------------------------------------------------------------
+ * Wrap functions from the time module. These aren't directly available
+ * from C. Perhaps they should be.
+ */
+
+/* Call time.time() and return its result (a Python float). */
+static PyObject *
+time_time()
+{
+ PyObject *result = NULL;
+ PyObject *time = PyImport_ImportModule("time");
+
+ if (time != NULL) {
+ result = PyObject_CallMethod(time, "time", "()");
+ Py_DECREF(time);
+ }
+ return result;
+}
+
+/* Build a time.struct_time. The weekday and day number are automatically
+ * computed from the y,m,d args.
+ */
+static PyObject *
+build_struct_time(int y, int m, int d, int hh, int mm, int ss, int dstflag)
+{
+ PyObject *time;
+ PyObject *result = NULL;
+
+ time = PyImport_ImportModule("time");
+ if (time != NULL) {
+ result = PyObject_CallMethod(time, "struct_time",
+ "((iiiiiiiii))",
+ y, m, d,
+ hh, mm, ss,
+ weekday(y, m, d),
+ days_before_month(y, m) + d,
+ dstflag);
+ Py_DECREF(time);
+ }
+ return result;
+}
+
+/* ---------------------------------------------------------------------------
+ * Miscellaneous helpers.
+ */
+
+/* For obscure reasons, we need to use tp_richcompare instead of tp_compare.
+ * The comparisons here all most naturally compute a cmp()-like result.
+ * This little helper turns that into a bool result for rich comparisons.
+ */
+static PyObject *
+diff_to_bool(int diff, int op)
+{
+ PyObject *result;
+ int istrue;
+
+ switch (op) {
+ case Py_EQ: istrue = diff == 0; break;
+ case Py_NE: istrue = diff != 0; break;
+ case Py_LE: istrue = diff <= 0; break;
+ case Py_GE: istrue = diff >= 0; break;
+ case Py_LT: istrue = diff < 0; break;
+ case Py_GT: istrue = diff > 0; break;
+ default:
+ assert(! "op unknown");
+ istrue = 0; /* To shut up compiler */
+ }
+ result = istrue ? Py_True : Py_False;
+ Py_INCREF(result);
+ return result;
+}
+
+/* ---------------------------------------------------------------------------
+ * Helpers for setting object fields. These work on pointers to the
+ * appropriate base class.
+ */
+
+/* For date, datetime and datetimetz. */
+static void
+set_date_fields(PyDateTime_Date *self, int y, int m, int d)
+{
+ self->hashcode = -1;
+ SET_YEAR(self, y);
+ SET_MONTH(self, m);
+ SET_DAY(self, d);
+}
+
+/* For datetime and datetimetz. */
+static void
+set_datetime_time_fields(PyDateTime_Date *self, int h, int m, int s, int us)
+{
+ DATE_SET_HOUR(self, h);
+ DATE_SET_MINUTE(self, m);
+ DATE_SET_SECOND(self, s);
+ DATE_SET_MICROSECOND(self, us);
+}
+
+/* For time and timetz. */
+static void
+set_time_fields(PyDateTime_Time *self, int h, int m, int s, int us)
+{
+ self->hashcode = -1;
+ TIME_SET_HOUR(self, h);
+ TIME_SET_MINUTE(self, m);
+ TIME_SET_SECOND(self, s);
+ TIME_SET_MICROSECOND(self, us);
+}
+
+/* ---------------------------------------------------------------------------
+ * Create various objects, mostly without range checking.
+ */
+
+/* Create a date instance with no range checking. */
+static PyObject *
+new_date(int year, int month, int day)
+{
+ PyDateTime_Date *self;
+
+ self = PyObject_New(PyDateTime_Date, &PyDateTime_DateType);
+ if (self != NULL)
+ set_date_fields(self, year, month, day);
+ return (PyObject *) self;
+}
+
+/* Create a datetime instance with no range checking. */
+static PyObject *
+new_datetime(int year, int month, int day, int hour, int minute,
+ int second, int usecond)
+{
+ PyDateTime_DateTime *self;
+
+ self = PyObject_New(PyDateTime_DateTime, &PyDateTime_DateTimeType);
+ if (self != NULL) {
+ set_date_fields((PyDateTime_Date *)self, year, month, day);
+ set_datetime_time_fields((PyDateTime_Date *)self,
+ hour, minute, second, usecond);
+ }
+ return (PyObject *) self;
+}
+
+/* Create a datetimetz instance with no range checking. */
+static PyObject *
+new_datetimetz(int year, int month, int day, int hour, int minute,
+ int second, int usecond, PyObject *tzinfo)
+{
+ PyDateTime_DateTimeTZ *self;
+
+ self = PyObject_New(PyDateTime_DateTimeTZ, &PyDateTime_DateTimeTZType);
+ if (self != NULL) {
+ set_date_fields((PyDateTime_Date *)self, year, month, day);
+ set_datetime_time_fields((PyDateTime_Date *)self,
+ hour, minute, second, usecond);
+ Py_INCREF(tzinfo);
+ self->tzinfo = tzinfo;
+ }
+ return (PyObject *) self;
+}
+
+/* Create a time instance with no range checking. */
+static PyObject *
+new_time(int hour, int minute, int second, int usecond)
+{
+ PyDateTime_Time *self;
+
+ self = PyObject_New(PyDateTime_Time, &PyDateTime_TimeType);
+ if (self != NULL)
+ set_time_fields(self, hour, minute, second, usecond);
+ return (PyObject *) self;
+}
+
+/* Create a timetz instance with no range checking. */
+static PyObject *
+new_timetz(int hour, int minute, int second, int usecond, PyObject *tzinfo)
+{
+ PyDateTime_TimeTZ *self;
+
+ self = PyObject_New(PyDateTime_TimeTZ, &PyDateTime_TimeTZType);
+ if (self != NULL) {
+ set_time_fields((PyDateTime_Time *)self,
+ hour, minute, second, usecond);
+ Py_INCREF(tzinfo);
+ self->tzinfo = tzinfo;
+ }
+ return (PyObject *) self;
+}
+
+/* Create a timedelta instance. Normalize the members iff normalize is
+ * true. Passing false is a speed optimization, if you know for sure
+ * that seconds and microseconds are already in their proper ranges. In any
+ * case, raises OverflowError and returns NULL if the normalized days is out
+ * of range).
+ */
+static PyObject *
+new_delta(int days, int seconds, int microseconds, int normalize)
+{
+ PyDateTime_Delta *self;
+
+ if (normalize)
+ normalize_d_s_us(&days, &seconds, µseconds);
+ assert(0 <= seconds && seconds < 24*3600);
+ assert(0 <= microseconds && microseconds < 1000000);
+
+ if (check_delta_day_range(days) < 0)
+ return NULL;
+
+ self = PyObject_New(PyDateTime_Delta, &PyDateTime_DeltaType);
+ if (self != NULL) {
+ self->hashcode = -1;
+ SET_TD_DAYS(self, days);
+ SET_TD_SECONDS(self, seconds);
+ SET_TD_MICROSECONDS(self, microseconds);
+ }
+ return (PyObject *) self;
+}
+
+
+/* ---------------------------------------------------------------------------
+ * Cached Python objects; these are set by the module init function.
+ */
+
+/* Conversion factors. */
+static PyObject *us_per_us = NULL; /* 1 */
+static PyObject *us_per_ms = NULL; /* 1000 */
+static PyObject *us_per_second = NULL; /* 1000000 */
+static PyObject *us_per_minute = NULL; /* 1e6 * 60 as Python int */
+static PyObject *us_per_hour = NULL; /* 1e6 * 3600 as Python long */
+static PyObject *us_per_day = NULL; /* 1e6 * 3600 * 24 as Python long */
+static PyObject *us_per_week = NULL; /* 1e6*3600*24*7 as Python long */
+static PyObject *seconds_per_day = NULL; /* 3600*24 as Python int */
+
+/* Callables to support unpickling. */
+static PyObject *date_unpickler_object = NULL;
+static PyObject *datetime_unpickler_object = NULL;
+static PyObject *datetimetz_unpickler_object = NULL;
+static PyObject *tzinfo_unpickler_object = NULL;
+static PyObject *time_unpickler_object = NULL;
+static PyObject *timetz_unpickler_object = NULL;
+
+/* ---------------------------------------------------------------------------
+ * Class implementations.
+ */
+
+/*
+ * PyDateTime_Delta implementation.
+ */
+
+/* Convert a timedelta to a number of us,
+ * (24*3600*self.days + self.seconds)*1000000 + self.microseconds
+ * as a Python int or long.
+ * Doing mixed-radix arithmetic by hand instead is excruciating in C,
+ * due to ubiquitous overflow possibilities.
+ */
+static PyObject *
+delta_to_microseconds(PyDateTime_Delta *self)
+{
+ PyObject *x1 = NULL;
+ PyObject *x2 = NULL;
+ PyObject *x3 = NULL;
+ PyObject *result = NULL;
+
+ x1 = PyInt_FromLong(GET_TD_DAYS(self));
+ if (x1 == NULL)
+ goto Done;
+ x2 = PyNumber_Multiply(x1, seconds_per_day); /* days in seconds */
+ if (x2 == NULL)
+ goto Done;
+ Py_DECREF(x1);
+ x1 = NULL;
+
+ /* x2 has days in seconds */
+ x1 = PyInt_FromLong(GET_TD_SECONDS(self)); /* seconds */
+ if (x1 == NULL)
+ goto Done;
+ x3 = PyNumber_Add(x1, x2); /* days and seconds in seconds */
+ if (x3 == NULL)
+ goto Done;
+ Py_DECREF(x1);
+ Py_DECREF(x2);
+ x1 = x2 = NULL;
+
+ /* x3 has days+seconds in seconds */
+ x1 = PyNumber_Multiply(x3, us_per_second); /* us */
+ if (x1 == NULL)
+ goto Done;
+ Py_DECREF(x3);
+ x3 = NULL;
+
+ /* x1 has days+seconds in us */
+ x2 = PyInt_FromLong(GET_TD_MICROSECONDS(self));
+ if (x2 == NULL)
+ goto Done;
+ result = PyNumber_Add(x1, x2);
+
+Done:
+ Py_XDECREF(x1);
+ Py_XDECREF(x2);
+ Py_XDECREF(x3);
+ return result;
+}
+
+/* Convert a number of us (as a Python int or long) to a timedelta.
+ */
+static PyObject *
+microseconds_to_delta(PyObject *pyus)
+{
+ int us;
+ int s;
+ int d;
+
+ PyObject *tuple = NULL;
+ PyObject *num = NULL;
+ PyObject *result = NULL;
+
+ tuple = PyNumber_Divmod(pyus, us_per_second);
+ if (tuple == NULL)
+ goto Done;
+
+ num = PyTuple_GetItem(tuple, 1); /* us */
+ if (num == NULL)
+ goto Done;
+ us = PyLong_AsLong(num);
+ num = NULL;
+ if (us < 0) {
+ /* The divisor was positive, so this must be an error. */
+ assert(PyErr_Occurred());
+ goto Done;
+ }
+
+ num = PyTuple_GetItem(tuple, 0); /* leftover seconds */
+ if (num == NULL)
+ goto Done;
+ Py_INCREF(num);
+ Py_DECREF(tuple);
+
+ tuple = PyNumber_Divmod(num, seconds_per_day);
+ if (tuple == NULL)
+ goto Done;
+ Py_DECREF(num);
+
+ num = PyTuple_GetItem(tuple, 1); /* seconds */
+ if (num == NULL)
+ goto Done;
+ s = PyLong_AsLong(num);
+ num = NULL;
+ if (s < 0) {
+ /* The divisor was positive, so this must be an error. */
+ assert(PyErr_Occurred());
+ goto Done;
+ }
+
+ num = PyTuple_GetItem(tuple, 0); /* leftover days */
+ if (num == NULL)
+ goto Done;
+ Py_INCREF(num);
+
+ d = PyLong_AsLong(num);
+ if (d == -1 && PyErr_Occurred())
+ goto Done;
+ result = new_delta(d, s, us, 0);
+
+Done:
+ Py_XDECREF(tuple);
+ Py_XDECREF(num);
+ return result;
+}
+
+static PyObject *
+multiply_int_timedelta(PyObject *intobj, PyDateTime_Delta *delta)
+{
+ PyObject *pyus_in;
+ PyObject *pyus_out;
+ PyObject *result;
+
+ pyus_in = delta_to_microseconds(delta);
+ if (pyus_in == NULL)
+ return NULL;
+
+ pyus_out = PyNumber_Multiply(pyus_in, intobj);
+ Py_DECREF(pyus_in);
+ if (pyus_out == NULL)
+ return NULL;
+
+ result = microseconds_to_delta(pyus_out);
+ Py_DECREF(pyus_out);
+ return result;
+}
+
+static PyObject *
+divide_timedelta_int(PyDateTime_Delta *delta, PyObject *intobj)
+{
+ PyObject *pyus_in;
+ PyObject *pyus_out;
+ PyObject *result;
+
+ pyus_in = delta_to_microseconds(delta);
+ if (pyus_in == NULL)
+ return NULL;
+
+ pyus_out = PyNumber_FloorDivide(pyus_in, intobj);
+ Py_DECREF(pyus_in);
+ if (pyus_out == NULL)
+ return NULL;
+
+ result = microseconds_to_delta(pyus_out);
+ Py_DECREF(pyus_out);
+ return result;
+}
+
+static PyObject *
+delta_add(PyObject *left, PyObject *right)
+{
+ PyObject *result = Py_NotImplemented;
+
+ if (PyDelta_Check(left) && PyDelta_Check(right)) {
+ /* delta + delta */
+ /* The C-level additions can't overflow because of the
+ * invariant bounds.
+ */
+ int days = GET_TD_DAYS(left) + GET_TD_DAYS(right);
+ int seconds = GET_TD_SECONDS(left) + GET_TD_SECONDS(right);
+ int microseconds = GET_TD_MICROSECONDS(left) +
+ GET_TD_MICROSECONDS(right);
+ result = new_delta(days, seconds, microseconds, 1);
+ }
+
+ if (result == Py_NotImplemented)
+ Py_INCREF(result);
+ return result;
+}
+
+static PyObject *
+delta_negative(PyDateTime_Delta *self)
+{
+ return new_delta(-GET_TD_DAYS(self),
+ -GET_TD_SECONDS(self),
+ -GET_TD_MICROSECONDS(self),
+ 1);
+}
+
+static PyObject *
+delta_positive(PyDateTime_Delta *self)
+{
+ /* Could optimize this (by returning self) if this isn't a
+ * subclass -- but who uses unary + ? Approximately nobody.
+ */
+ return new_delta(GET_TD_DAYS(self),
+ GET_TD_SECONDS(self),
+ GET_TD_MICROSECONDS(self),
+ 0);
+}
+
+static PyObject *
+delta_abs(PyDateTime_Delta *self)
+{
+ PyObject *result;
+
+ assert(GET_TD_MICROSECONDS(self) >= 0);
+ assert(GET_TD_SECONDS(self) >= 0);
+
+ if (GET_TD_DAYS(self) < 0)
+ result = delta_negative(self);
+ else
+ result = delta_positive(self);
+
+ return result;
+}
+
+static PyObject *
+delta_subtract(PyObject *left, PyObject *right)
+{
+ PyObject *result = Py_NotImplemented;
+
+ if (PyDelta_Check(left) && PyDelta_Check(right)) {
+ /* delta - delta */
+ PyObject *minus_right = PyNumber_Negative(right);
+ if (minus_right) {
+ result = delta_add(left, minus_right);
+ Py_DECREF(minus_right);
+ }
+ else
+ result = NULL;
+ }
+
+ if (result == Py_NotImplemented)
+ Py_INCREF(result);
+ return result;
+}
+
+/* This is more natural as a tp_compare, but doesn't work then: for whatever
+ * reason, Python's try_3way_compare ignores tp_compare unless
+ * PyInstance_Check returns true, but these aren't old-style classes.
+ */
+static PyObject *
+delta_richcompare(PyDateTime_Delta *self, PyObject *other, int op)
+{
+ int diff;
+
+ if (! PyDelta_CheckExact(other)) {
+ PyErr_Format(PyExc_TypeError,
+ "can't compare %s to %s instance",
+ self->ob_type->tp_name, other->ob_type->tp_name);
+ return NULL;
+ }
+ diff = GET_TD_DAYS(self) - GET_TD_DAYS(other);
+ if (diff == 0) {
+ diff = GET_TD_SECONDS(self) - GET_TD_SECONDS(other);
+ if (diff == 0)
+ diff = GET_TD_MICROSECONDS(self) -
+ GET_TD_MICROSECONDS(other);
+ }
+ return diff_to_bool(diff, op);
+}
+
+static PyObject *delta_getstate(PyDateTime_Delta *self);
+
+static long
+delta_hash(PyDateTime_Delta *self)
+{
+ if (self->hashcode == -1) {
+ PyObject *temp = delta_getstate(self);
+ if (temp != NULL) {
+ self->hashcode = PyObject_Hash(temp);
+ Py_DECREF(temp);
+ }
+ }
+ return self->hashcode;
+}
+
+static PyObject *
+delta_multiply(PyObject *left, PyObject *right)
+{
+ PyObject *result = Py_NotImplemented;
+
+ if (PyDelta_Check(left)) {
+ /* delta * ??? */
+ if (PyInt_Check(right) || PyLong_Check(right))
+ result = multiply_int_timedelta(right,
+ (PyDateTime_Delta *) left);
+ }
+ else if (PyInt_Check(left) || PyLong_Check(left))
+ result = multiply_int_timedelta(left,
+ (PyDateTime_Delta *) right);
+
+ if (result == Py_NotImplemented)
+ Py_INCREF(result);
+ return result;
+}
+
+static PyObject *
+delta_divide(PyObject *left, PyObject *right)
+{
+ PyObject *result = Py_NotImplemented;
+
+ if (PyDelta_Check(left)) {
+ /* delta * ??? */
+ if (PyInt_Check(right) || PyLong_Check(right))
+ result = divide_timedelta_int(
+ (PyDateTime_Delta *)left,
+ right);
+ }
+
+ if (result == Py_NotImplemented)
+ Py_INCREF(result);
+ return result;
+}
+
+/* Fold in the value of the tag ("seconds", "weeks", etc) component of a
+ * timedelta constructor. sofar is the # of microseconds accounted for
+ * so far, and there are factor microseconds per current unit, the number
+ * of which is given by num. num * factor is added to sofar in a
+ * numerically careful way, and that's the result. Any fractional
+ * microseconds left over (this can happen if num is a float type) are
+ * added into *leftover.
+ * Note that there are many ways this can give an error (NULL) return.
+ */
+static PyObject *
+accum(const char* tag, PyObject *sofar, PyObject *num, PyObject *factor,
+ double *leftover)
+{
+ PyObject *prod;
+ PyObject *sum;
+
+ assert(num != NULL);
+
+ if (PyInt_Check(num) || PyLong_Check(num)) {
+ prod = PyNumber_Multiply(num, factor);
+ if (prod == NULL)
+ return NULL;
+ sum = PyNumber_Add(sofar, prod);
+ Py_DECREF(prod);
+ return sum;
+ }
+
+ if (PyFloat_Check(num)) {
+ double dnum;
+ double fracpart;
+ double intpart;
+ PyObject *x;
+ PyObject *y;
+
+ /* The Plan: decompose num into an integer part and a
+ * fractional part, num = intpart + fracpart.
+ * Then num * factor ==
+ * intpart * factor + fracpart * factor
+ * and the LHS can be computed exactly in long arithmetic.
+ * The RHS is again broken into an int part and frac part.
+ * and the frac part is added into *leftover.
+ */
+ dnum = PyFloat_AsDouble(num);
+ if (dnum == -1.0 && PyErr_Occurred())
+ return NULL;
+ fracpart = modf(dnum, &intpart);
+ x = PyLong_FromDouble(intpart);
+ if (x == NULL)
+ return NULL;
+
+ prod = PyNumber_Multiply(x, factor);
+ Py_DECREF(x);
+ if (prod == NULL)
+ return NULL;
+
+ sum = PyNumber_Add(sofar, prod);
+ Py_DECREF(prod);
+ if (sum == NULL)
+ return NULL;
+
+ if (fracpart == 0.0)
+ return sum;
+ /* So far we've lost no information. Dealing with the
+ * fractional part requires float arithmetic, and may
+ * lose a little info.
+ */
+ assert(PyInt_Check(factor) || PyLong_Check(factor));
+ if (PyInt_Check(factor))
+ dnum = (double)PyInt_AsLong(factor);
+ else
+ dnum = PyLong_AsDouble(factor);
+
+ dnum *= fracpart;
+ fracpart = modf(dnum, &intpart);
+ x = PyLong_FromDouble(intpart);
+ if (x == NULL) {
+ Py_DECREF(sum);
+ return NULL;
+ }
+
+ y = PyNumber_Add(sum, x);
+ Py_DECREF(sum);
+ Py_DECREF(x);
+ *leftover += fracpart;
+ return y;
+ }
+
+ PyErr_Format(PyExc_TypeError,
+ "unsupported type for timedelta %s component: %s",
+ tag, num->ob_type->tp_name);
+ return NULL;
+}
+
+static PyObject *
+delta_new(PyTypeObject *type, PyObject *args, PyObject *kw)
+{
+ PyObject *self = NULL;
+
+ /* Argument objects. */
+ PyObject *day = NULL;
+ PyObject *second = NULL;
+ PyObject *us = NULL;
+ PyObject *ms = NULL;
+ PyObject *minute = NULL;
+ PyObject *hour = NULL;
+ PyObject *week = NULL;
+
+ PyObject *x = NULL; /* running sum of microseconds */
+ PyObject *y = NULL; /* temp sum of microseconds */
+ double leftover_us = 0.0;
+
+ static char *keywords[] = {
+ "days", "seconds", "microseconds", "milliseconds",
+ "minutes", "hours", "weeks", NULL
+ };
+
+ if (PyArg_ParseTupleAndKeywords(args, kw, "|OOOOOOO:__new__",
+ keywords,
+ &day, &second, &us,
+ &ms, &minute, &hour, &week) == 0)
+ goto Done;
+
+ x = PyInt_FromLong(0);
+ if (x == NULL)
+ goto Done;
+
+#define CLEANUP \
+ Py_DECREF(x); \
+ x = y; \
+ if (x == NULL) \
+ goto Done
+
+ if (us) {
+ y = accum("microseconds", x, us, us_per_us, &leftover_us);
+ CLEANUP;
+ }
+ if (ms) {
+ y = accum("milliseconds", x, ms, us_per_ms, &leftover_us);
+ CLEANUP;
+ }
+ if (second) {
+ y = accum("seconds", x, second, us_per_second, &leftover_us);
+ CLEANUP;
+ }
+ if (minute) {
+ y = accum("minutes", x, minute, us_per_minute, &leftover_us);
+ CLEANUP;
+ }
+ if (hour) {
+ y = accum("hours", x, hour, us_per_hour, &leftover_us);
+ CLEANUP;
+ }
+ if (day) {
+ y = accum("days", x, day, us_per_day, &leftover_us);
+ CLEANUP;
+ }
+ if (week) {
+ y = accum("weeks", x, week, us_per_week, &leftover_us);
+ CLEANUP;
+ }
+ if (leftover_us) {
+ /* Round to nearest whole # of us, and add into x. */
+ PyObject *temp;
+ if (leftover_us >= 0.0)
+ leftover_us = floor(leftover_us + 0.5);
+ else
+ leftover_us = ceil(leftover_us - 0.5);
+ temp = PyLong_FromDouble(leftover_us);
+ if (temp == NULL) {
+ Py_DECREF(x);
+ goto Done;
+ }
+ y = PyNumber_Add(x, temp);
+ Py_DECREF(temp);
+ CLEANUP;
+ }
+
+ self = microseconds_to_delta(x);
+ Py_DECREF(x);
+Done:
+ return self;
+
+#undef CLEANUP
+}
+
+static int
+delta_nonzero(PyDateTime_Delta *self)
+{
+ return (GET_TD_DAYS(self) != 0
+ || GET_TD_SECONDS(self) != 0
+ || GET_TD_MICROSECONDS(self) != 0);
+}
+
+static PyObject *
+delta_repr(PyDateTime_Delta *self)
+{
+ if (GET_TD_MICROSECONDS(self) != 0)
+ return PyString_FromFormat("%s(%d, %d, %d)",
+ self->ob_type->tp_name,
+ GET_TD_DAYS(self),
+ GET_TD_SECONDS(self),
+ GET_TD_MICROSECONDS(self));
+ if (GET_TD_SECONDS(self) != 0)
+ return PyString_FromFormat("%s(%d, %d)",
+ self->ob_type->tp_name,
+ GET_TD_DAYS(self),
+ GET_TD_SECONDS(self));
+
+ return PyString_FromFormat("%s(%d)",
+ self->ob_type->tp_name,
+ GET_TD_DAYS(self));
+}
+
+static PyObject *
+delta_str(PyDateTime_Delta *self)
+{
+ int days = GET_TD_DAYS(self);
+ int seconds = GET_TD_SECONDS(self);
+ int us = GET_TD_MICROSECONDS(self);
+ int hours;
+ int minutes;
+ char buf[500];
+ int i = 0;
+
+ minutes = divmod(seconds, 60, &seconds);
+ hours = divmod(minutes, 60, &minutes);
+
+ if (days) {
+ i += sprintf(buf + i, "%d day%s, ", days,
+ (days == 1 || days == -1) ? "" : "s");
+ assert(i < sizeof(buf));
+ }
+
+ i += sprintf(buf + i, "%d:%02d:%02d", hours, minutes, seconds);
+ assert(i < sizeof(buf));
+
+ if (us) {
+ i += sprintf(buf + i, ".%06d", us);
+ assert(i < sizeof(buf));
+ }
+
+ return PyString_FromStringAndSize(buf, i);
+}
+
+/* Pickle support. Quite a maze! While __getstate__/__setstate__ sufficed
+ * in the Python implementation, the C implementation also requires
+ * __reduce__, and a __safe_for_unpickling__ attr in the type object.
+ */
+static PyObject *
+delta_getstate(PyDateTime_Delta *self)
+{
+ return Py_BuildValue("iii", GET_TD_DAYS(self),
+ GET_TD_SECONDS(self),
+ GET_TD_MICROSECONDS(self));
+}
+
+static PyObject *
+delta_setstate(PyDateTime_Delta *self, PyObject *state)
+{
+ int day;
+ int second;
+ int us;
+
+ if (!PyArg_ParseTuple(state, "iii:__setstate__", &day, &second, &us))
+ return NULL;
+
+ self->hashcode = -1;
+ SET_TD_DAYS(self, day);
+ SET_TD_SECONDS(self, second);
+ SET_TD_MICROSECONDS(self, us);
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static PyObject *
+delta_reduce(PyDateTime_Delta* self)
+{
+ PyObject* result = NULL;
+ PyObject* state = delta_getstate(self);
+
+ if (state != NULL) {
+ /* The funky "()" in the format string creates an empty
+ * tuple as the 2nd component of the result 3-tuple.
+ */
+ result = Py_BuildValue("O()O", self->ob_type, state);
+ Py_DECREF(state);
+ }
+ return result;
+}
+
+#define OFFSET(field) offsetof(PyDateTime_Delta, field)
+
+static PyMemberDef delta_members[] = {
+ {"days", T_LONG, OFFSET(days), READONLY,
+ PyDoc_STR("Number of days.")},
+
+ {"seconds", T_LONG, OFFSET(seconds), READONLY,
+ PyDoc_STR("Number of seconds (>= 0 and less than 1 day).")},
+
+ {"microseconds", T_LONG, OFFSET(microseconds), READONLY,
+ PyDoc_STR("Number of microseconds (>= 0 and less than 1 second).")},
+ {NULL}
+};
+
+static PyMethodDef delta_methods[] = {
+ {"__setstate__", (PyCFunction)delta_setstate, METH_O,
+ PyDoc_STR("__setstate__(state)")},
+
+ {"__reduce__", (PyCFunction)delta_reduce, METH_NOARGS,
+ PyDoc_STR("__setstate__(state)")},
+
+ {"__getstate__", (PyCFunction)delta_getstate, METH_NOARGS,
+ PyDoc_STR("__getstate__() -> state")},
+ {NULL, NULL},
+};
+
+static char delta_doc[] =
+PyDoc_STR("Difference between two datetime values.");
+
+static PyNumberMethods delta_as_number = {
+ delta_add, /* nb_add */
+ delta_subtract, /* nb_subtract */
+ delta_multiply, /* nb_multiply */
+ delta_divide, /* nb_divide */
+ 0, /* nb_remainder */
+ 0, /* nb_divmod */
+ 0, /* nb_power */
+ (unaryfunc)delta_negative, /* nb_negative */
+ (unaryfunc)delta_positive, /* nb_positive */
+ (unaryfunc)delta_abs, /* nb_absolute */
+ (inquiry)delta_nonzero, /* nb_nonzero */
+ 0, /*nb_invert*/
+ 0, /*nb_lshift*/
+ 0, /*nb_rshift*/
+ 0, /*nb_and*/
+ 0, /*nb_xor*/
+ 0, /*nb_or*/
+ 0, /*nb_coerce*/
+ 0, /*nb_int*/
+ 0, /*nb_long*/
+ 0, /*nb_float*/
+ 0, /*nb_oct*/
+ 0, /*nb_hex*/
+ 0, /*nb_inplace_add*/
+ 0, /*nb_inplace_subtract*/
+ 0, /*nb_inplace_multiply*/
+ 0, /*nb_inplace_divide*/
+ 0, /*nb_inplace_remainder*/
+ 0, /*nb_inplace_power*/
+ 0, /*nb_inplace_lshift*/
+ 0, /*nb_inplace_rshift*/
+ 0, /*nb_inplace_and*/
+ 0, /*nb_inplace_xor*/
+ 0, /*nb_inplace_or*/
+ delta_divide, /* nb_floor_divide */
+ 0, /* nb_true_divide */
+ 0, /* nb_inplace_floor_divide */
+ 0, /* nb_inplace_true_divide */
+};
+
+static PyTypeObject PyDateTime_DeltaType = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* ob_size */
+ "datetime.timedelta", /* tp_name */
+ sizeof(PyDateTime_Delta), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ 0, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ (reprfunc)delta_repr, /* tp_repr */
+ &delta_as_number, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ (hashfunc)delta_hash, /* tp_hash */
+ 0, /* tp_call */
+ (reprfunc)delta_str, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES, /* tp_flags */
+ delta_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ (richcmpfunc)delta_richcompare, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ delta_methods, /* tp_methods */
+ delta_members, /* tp_members */
+ 0, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ 0, /* tp_alloc */
+ delta_new, /* tp_new */
+ _PyObject_Del, /* tp_free */
+};
+
+/*
+ * PyDateTime_Date implementation.
+ */
+
+/* Accessor properties. */
+
+static PyObject *
+date_year(PyDateTime_Date *self, void *unused)
+{
+ return PyInt_FromLong(GET_YEAR(self));
+}
+
+static PyObject *
+date_month(PyDateTime_Date *self, void *unused)
+{
+ return PyInt_FromLong(GET_MONTH(self));
+}
+
+static PyObject *
+date_day(PyDateTime_Date *self, void *unused)
+{
+ return PyInt_FromLong(GET_DAY(self));
+}
+
+static PyGetSetDef date_getset[] = {
+ {"year", (getter)date_year},
+ {"month", (getter)date_month},
+ {"day", (getter)date_day},
+ {NULL}
+};
+
+/* Constructors. */
+
+static PyObject *
+date_new(PyTypeObject *type, PyObject *args, PyObject *kw)
+{
+ PyObject *self = NULL;
+ int year;
+ int month;
+ int day;
+
+ static char *keywords[] = {
+ "year", "month", "day", NULL
+ };
+
+ if (PyArg_ParseTupleAndKeywords(args, kw, "iii", keywords,
+ &year, &month, &day)) {
+ if (check_date_args(year, month, day) < 0)
+ return NULL;
+ self = new_date(year, month, day);
+ }
+ return self;
+}
+
+/* Return new date from localtime(t). */
+static PyObject *
+date_local_from_time_t(PyObject *cls, time_t t)
+{
+ struct tm *tm;
+ PyObject *result = NULL;
+
+ tm = localtime(&t);
+ if (tm)
+ result = PyObject_CallFunction(cls, "iii",
+ tm->tm_year + 1900,
+ tm->tm_mon + 1,
+ tm->tm_mday);
+ else
+ PyErr_SetString(PyExc_ValueError,
+ "timestamp out of range for "
+ "platform localtime() function");
+ return result;
+}
+
+/* Return new date from current time.
+ * We say this is equivalent to fromtimestamp(time.time()), and the
+ * only way to be sure of that is to *call* time.time(). That's not
+ * generally the same as calling C's time.
+ */
+static PyObject *
+date_today(PyObject *cls, PyObject *dummy)
+{
+ PyObject *time;
+ PyObject *result;
+
+ time = time_time();
+ if (time == NULL)
+ return NULL;
+
+ /* Note well: today() is a class method, so this may not call
+ * date.fromtimestamp. For example, it may call
+ * datetime.fromtimestamp. That's why we need all the accuracy
+ * time.time() delivers; if someone were gonzo about optimization,
+ * date.today() could get away with plain C time().
+ */
+ result = PyObject_CallMethod(cls, "fromtimestamp", "O", time);
+ Py_DECREF(time);
+ return result;
+}
+
+/* Return new date from given timestamp (Python timestamp -- a double). */
+static PyObject *
+date_fromtimestamp(PyObject *cls, PyObject *args)
+{
+ double timestamp;
+ PyObject *result = NULL;
+
+ if (PyArg_ParseTuple(args, "d:fromtimestamp", ×tamp))
+ result = date_local_from_time_t(cls, (time_t)timestamp);
+ return result;
+}
+
+/* Return new date from proleptic Gregorian ordinal. Raises ValueError if
+ * the ordinal is out of range.
+ */
+static PyObject *
+date_fromordinal(PyObject *cls, PyObject *args)
+{
+ PyObject *result = NULL;
+ int ordinal;
+
+ if (PyArg_ParseTuple(args, "i:fromordinal", &ordinal)) {
+ int year;
+ int month;
+ int day;
+
+ if (ordinal < 1)
+ PyErr_SetString(PyExc_ValueError, "ordinal must be "
+ ">= 1");
+ else {
+ ord_to_ymd(ordinal, &year, &month, &day);
+ result = PyObject_CallFunction(cls, "iii",
+ year, month, day);
+ }
+ }
+ return result;
+}
+
+/*
+ * Date arithmetic.
+ */
+
+/* date + timedelta -> date. If arg negate is true, subtract the timedelta
+ * instead.
+ */
+static PyObject *
+add_date_timedelta(PyDateTime_Date *date, PyDateTime_Delta *delta, int negate)
+{
+ PyObject *result = NULL;
+ int year = GET_YEAR(date);
+ int month = GET_MONTH(date);
+ int deltadays = GET_TD_DAYS(delta);
+ /* C-level overflow is impossible because |deltadays| < 1e9. */
+ int day = GET_DAY(date) + (negate ? -deltadays : deltadays);
+
+ if (normalize_date(&year, &month, &day) >= 0)
+ result = new_date(year, month, day);
+ return result;
+}
+
+static PyObject *
+date_add(PyObject *left, PyObject *right)
+{
+ if (PyDateTime_Check(left) || PyDateTime_Check(right)) {
+ Py_INCREF(Py_NotImplemented);
+ return Py_NotImplemented;
+ }
+ if (PyDate_CheckExact(left)) {
+ /* date + ??? */
+ if (PyDelta_Check(right))
+ /* date + delta */
+ return add_date_timedelta((PyDateTime_Date *) left,
+ (PyDateTime_Delta *) right,
+ 0);
+ }
+ else {
+ /* ??? + date
+ * 'right' must be one of us, or we wouldn't have been called
+ */
+ if (PyDelta_Check(left))
+ /* delta + date */
+ return add_date_timedelta((PyDateTime_Date *) right,
+ (PyDateTime_Delta *) left,
+ 0);
+ }
+ Py_INCREF(Py_NotImplemented);
+ return Py_NotImplemented;
+}
+
+static PyObject *
+date_subtract(PyObject *left, PyObject *right)
+{
+ if (PyDateTime_Check(left) || PyDateTime_Check(right)) {
+ Py_INCREF(Py_NotImplemented);
+ return Py_NotImplemented;
+ }
+ if (PyDate_CheckExact(left)) {
+ if (PyDate_CheckExact(right)) {
+ /* date - date */
+ int left_ord = ymd_to_ord(GET_YEAR(left),
+ GET_MONTH(left),
+ GET_DAY(left));
+ int right_ord = ymd_to_ord(GET_YEAR(right),
+ GET_MONTH(right),
+ GET_DAY(right));
+ return new_delta(left_ord - right_ord, 0, 0, 0);
+ }
+ if (PyDelta_Check(right)) {
+ /* date - delta */
+ return add_date_timedelta((PyDateTime_Date *) left,
+ (PyDateTime_Delta *) right,
+ 1);
+ }
+ }
+ Py_INCREF(Py_NotImplemented);
+ return Py_NotImplemented;
+}
+
+
+/* Various ways to turn a date into a string. */
+
+static PyObject *
+date_repr(PyDateTime_Date *self)
+{
+ char buffer[1028];
+ char *typename;
+
+ typename = self->ob_type->tp_name;
+ PyOS_snprintf(buffer, sizeof(buffer), "%s(%d, %d, %d)",
+ typename,
+ GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
+
+ return PyString_FromString(buffer);
+}
+
+static PyObject *
+date_isoformat(PyDateTime_Date *self)
+{
+ char buffer[128];
+
+ isoformat_date(self, buffer, sizeof(buffer));
+ return PyString_FromString(buffer);
+}
+
+/* str() calls the appropriate isofomat() method. */
+static PyObject *
+date_str(PyDateTime_Date *self)
+{
+ return PyObject_CallMethod((PyObject *)self, "isoformat", "()");
+}
+
+
+static PyObject *
+date_ctime(PyDateTime_Date *self)
+{
+ return format_ctime(self, 0, 0, 0);
+}
+
+static PyObject *
+date_strftime(PyDateTime_Date *self, PyObject *args, PyObject *kw)
+{
+ /* This method can be inherited, and needs to call the
+ * timetuple() method appropriate to self's class.
+ */
+ PyObject *result;
+ PyObject *format;
+ PyObject *tuple;
+ static char *keywords[] = {"format", NULL};
+
+ if (! PyArg_ParseTupleAndKeywords(args, kw, "O!:strftime", keywords,
+ &PyString_Type, &format))
+ return NULL;
+
+ tuple = PyObject_CallMethod((PyObject *)self, "timetuple", "()");
+ if (tuple == NULL)
+ return NULL;
+ result = wrap_strftime((PyObject *)self, format, tuple);
+ Py_DECREF(tuple);
+ return result;
+}
+
+/* ISO methods. */
+
+static PyObject *
+date_isoweekday(PyDateTime_Date *self)
+{
+ int dow = weekday(GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
+
+ return PyInt_FromLong(dow + 1);
+}
+
+static PyObject *
+date_isocalendar(PyDateTime_Date *self)
+{
+ int year = GET_YEAR(self);
+ int week1_monday = iso_week1_monday(year);
+ int today = ymd_to_ord(year, GET_MONTH(self), GET_DAY(self));
+ int week;
+ int day;
+
+ week = divmod(today - week1_monday, 7, &day);
+ if (week < 0) {
+ --year;
+ week1_monday = iso_week1_monday(year);
+ week = divmod(today - week1_monday, 7, &day);
+ }
+ else if (week >= 52 && today >= iso_week1_monday(year + 1)) {
+ ++year;
+ week = 0;
+ }
+ return Py_BuildValue("iii", year, week + 1, day + 1);
+}
+
+/* Miscellaneous methods. */
+
+/* This is more natural as a tp_compare, but doesn't work then: for whatever
+ * reason, Python's try_3way_compare ignores tp_compare unless
+ * PyInstance_Check returns true, but these aren't old-style classes.
+ */
+static PyObject *
+date_richcompare(PyDateTime_Date *self, PyObject *other, int op)
+{
+ int diff;
+
+ if (! PyDate_Check(other)) {
+ PyErr_Format(PyExc_TypeError,
+ "can't compare date to %s instance",
+ other->ob_type->tp_name);
+ return NULL;
+ }
+ diff = memcmp(self->data, ((PyDateTime_Date *)other)->data,
+ _PyDateTime_DATE_DATASIZE);
+ return diff_to_bool(diff, op);
+}
+
+static PyObject *
+date_timetuple(PyDateTime_Date *self)
+{
+ return build_struct_time(GET_YEAR(self),
+ GET_MONTH(self),
+ GET_DAY(self),
+ 0, 0, 0, -1);
+}
+
+static PyObject *date_getstate(PyDateTime_Date *self);
+
+static long
+date_hash(PyDateTime_Date *self)
+{
+ if (self->hashcode == -1) {
+ PyObject *temp = date_getstate(self);
+ if (temp != NULL) {
+ self->hashcode = PyObject_Hash(temp);
+ Py_DECREF(temp);
+ }
+ }
+ return self->hashcode;
+}
+
+static PyObject *
+date_toordinal(PyDateTime_Date *self)
+{
+ return PyInt_FromLong(ymd_to_ord(GET_YEAR(self), GET_MONTH(self),
+ GET_DAY(self)));
+}
+
+static PyObject *
+date_weekday(PyDateTime_Date *self)
+{
+ int dow = weekday(GET_YEAR(self), GET_MONTH(self), GET_DAY(self));
+
+ return PyInt_FromLong(dow);
+}
+
+/* Pickle support. Quite a maze! */
+
+static PyObject *
+date_getstate(PyDateTime_Date *self)
+{
+ return PyString_FromStringAndSize(self->data,
+ _PyDateTime_DATE_DATASIZE);
+}
+
+static PyObject *
+date_setstate(PyDateTime_Date *self, PyObject *state)
+{
+ const int len = PyString_Size(state);
+ unsigned char *pdata = (unsigned char*)PyString_AsString(state);
+
+ if (! PyString_Check(state) ||
+ len != _PyDateTime_DATE_DATASIZE) {
+ PyErr_SetString(PyExc_TypeError,
+ "bad argument to date.__setstate__");
+ return NULL;
+ }
+ memcpy(self->data, pdata, _PyDateTime_DATE_DATASIZE);
+ self->hashcode = -1;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+/* XXX This seems a ridiculously inefficient way to pickle a short string. */
+static PyObject *
+date_pickler(PyObject *module, PyDateTime_Date *date)
+{
+ PyObject *state;
+ PyObject *result = NULL;
+
+ if (! PyDate_CheckExact(date)) {
+ PyErr_Format(PyExc_TypeError,
+ "bad type passed to date pickler: %s",
+ date->ob_type->tp_name);
+ return NULL;
+ }
+ state = date_getstate(date);
+ if (state) {
+ result = Py_BuildValue("O(O)", date_unpickler_object, state);
+ Py_DECREF(state);
+ }
+ return result;
+}
+
+static PyObject *
+date_unpickler(PyObject *module, PyObject *arg)
+{
+ PyDateTime_Date *self;
+
+ if (! PyString_CheckExact(arg)) {
+ PyErr_Format(PyExc_TypeError,
+ "bad type passed to date unpickler: %s",
+ arg->ob_type->tp_name);
+ return NULL;
+ }
+ self = PyObject_New(PyDateTime_Date, &PyDateTime_DateType);
+ if (self != NULL) {
+ PyObject *res = date_setstate(self, arg);
+ if (res == NULL) {
+ Py_DECREF(self);
+ return NULL;
+ }
+ Py_DECREF(res);
+ }
+ return (PyObject *)self;
+}
+
+static PyMethodDef date_methods[] = {
+ /* Class methods: */
+ {"fromtimestamp", (PyCFunction)date_fromtimestamp, METH_VARARGS |
+ METH_CLASS,
+ PyDoc_STR("timestamp -> local date from a POSIX timestamp (like "
+ "time.time()).")},
+
+ {"fromordinal", (PyCFunction)date_fromordinal, METH_VARARGS |
+ METH_CLASS,
+ PyDoc_STR("int -> date corresponding to a proleptic Gregorian "
+ "ordinal.")},
+
+ {"today", (PyCFunction)date_today, METH_NOARGS | METH_CLASS,
+ PyDoc_STR("Current date or datetime: same as "
+ "self.__class__.fromtimestamp(time.time()).")},
+
+ /* Instance methods: */
+
+ {"ctime", (PyCFunction)date_ctime, METH_NOARGS,
+ PyDoc_STR("Return ctime() style string.")},
+
+ {"strftime", (PyCFunction)date_strftime, METH_KEYWORDS,
+ PyDoc_STR("format -> strftime() style string.")},
+
+ {"timetuple", (PyCFunction)date_timetuple, METH_NOARGS,
+ PyDoc_STR("Return time tuple, compatible with time.localtime().")},
+
+ {"isocalendar", (PyCFunction)date_isocalendar, METH_NOARGS,
+ PyDoc_STR("Return a 3-tuple containing ISO year, week number, and "
+ "weekday.")},
+
+ {"isoformat", (PyCFunction)date_isoformat, METH_NOARGS,
+ PyDoc_STR("Return string in ISO 8601 format, YYYY-MM-DD.")},
+
+ {"isoweekday", (PyCFunction)date_isoweekday, METH_NOARGS,
+ PyDoc_STR("Return the day of the week represented by the date.\n"
+ "Monday == 1 ... Sunday == 7")},
+
+ {"toordinal", (PyCFunction)date_toordinal, METH_NOARGS,
+ PyDoc_STR("Return proleptic Gregorian ordinal. January 1 of year "
+ "1 is day 1.")},
+
+ {"weekday", (PyCFunction)date_weekday, METH_NOARGS,
+ PyDoc_STR("Return the day of the week represented by the date.\n"
+ "Monday == 0 ... Sunday == 6")},
+
+ {"__setstate__", (PyCFunction)date_setstate, METH_O,
+ PyDoc_STR("__setstate__(state)")},
+
+ {"__getstate__", (PyCFunction)date_getstate, METH_NOARGS,
+ PyDoc_STR("__getstate__() -> state")},
+
+ {NULL, NULL}
+};
+
+static char date_doc[] =
+PyDoc_STR("Basic date type.");
+
+static PyNumberMethods date_as_number = {
+ date_add, /* nb_add */
+ date_subtract, /* nb_subtract */
+ 0, /* nb_multiply */
+ 0, /* nb_divide */
+ 0, /* nb_remainder */
+ 0, /* nb_divmod */
+ 0, /* nb_power */
+ 0, /* nb_negative */
+ 0, /* nb_positive */
+ 0, /* nb_absolute */
+ 0, /* nb_nonzero */
+};
+
+static PyTypeObject PyDateTime_DateType = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* ob_size */
+ "datetime.date", /* tp_name */
+ sizeof(PyDateTime_Date), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ (destructor)PyObject_Del, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ (reprfunc)date_repr, /* tp_repr */
+ &date_as_number, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ (hashfunc)date_hash, /* tp_hash */
+ 0, /* tp_call */
+ (reprfunc)date_str, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+ Py_TPFLAGS_BASETYPE, /* tp_flags */
+ date_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ (richcmpfunc)date_richcompare, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ date_methods, /* tp_methods */
+ 0, /* tp_members */
+ date_getset, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ 0, /* tp_alloc */
+ date_new, /* tp_new */
+ _PyObject_Del, /* tp_free */
+};
+
+/*
+ * PyDateTime_DateTime implementation.
+ */
+
+/* Accessor properties. */
+
+static PyObject *
+datetime_hour(PyDateTime_DateTime *self, void *unused)
+{
+ return PyInt_FromLong(DATE_GET_HOUR(self));
+}
+
+static PyObject *
+datetime_minute(PyDateTime_DateTime *self, void *unused)
+{
+ return PyInt_FromLong(DATE_GET_MINUTE(self));
+}
+
+static PyObject *
+datetime_second(PyDateTime_DateTime *self, void *unused)
+{
+ return PyInt_FromLong(DATE_GET_SECOND(self));
+}
+
+static PyObject *
+datetime_microsecond(PyDateTime_DateTime *self, void *unused)
+{
+ return PyInt_FromLong(DATE_GET_MICROSECOND(self));
+}
+
+static PyGetSetDef datetime_getset[] = {
+ {"hour", (getter)datetime_hour},
+ {"minute", (getter)datetime_minute},
+ {"second", (getter)datetime_second},
+ {"microsecond", (getter)datetime_microsecond},
+ {NULL}
+};
+
+/* Constructors. */
+
+static PyObject *
+datetime_new(PyTypeObject *type, PyObject *args, PyObject *kw)
+{
+ PyObject *self = NULL;
+ int year;
+ int month;
+ int day;
+ int hour = 0;
+ int minute = 0;
+ int second = 0;
+ int usecond = 0;
+
+ static char *keywords[] = {
+ "year", "month", "day", "hour", "minute", "second",
+ "microsecond", NULL
+ };
+
+ if (PyArg_ParseTupleAndKeywords(args, kw, "iii|iiii", keywords,
+ &year, &month, &day, &hour, &minute,
+ &second, &usecond)) {
+ if (check_date_args(year, month, day) < 0)
+ return NULL;
+ if (check_time_args(hour, minute, second, usecond) < 0)
+ return NULL;
+ self = new_datetime(year, month, day,
+ hour, minute, second, usecond);
+ }
+ return self;
+}
+
+
+/* TM_FUNC is the shared type of localtime() and gmtime(). */
+typedef struct tm *(*TM_FUNC)(const time_t *timer);
+
+/* Internal helper.
+ * Build datetime from a time_t and a distinct count of microseconds.
+ * Pass localtime or gmtime for f, to control the interpretation of timet.
+ */
+static PyObject *
+datetime_from_timet_and_us(PyObject *cls, TM_FUNC f, time_t timet, int us)
+{
+ struct tm *tm;
+ PyObject *result = NULL;
+
+ tm = f(&timet);
+ if (tm)
+ result = PyObject_CallFunction(cls, "iiiiiii",
+ tm->tm_year + 1900,
+ tm->tm_mon + 1,
+ tm->tm_mday,
+ tm->tm_hour,
+ tm->tm_min,
+ tm->tm_sec,
+ us);
+ else
+ PyErr_SetString(PyExc_ValueError,
+ "timestamp out of range for "
+ "platform localtime()/gmtime() function");
+ return result;
+}
+
+/* Internal helper.
+ * Build datetime from a Python timestamp. Pass localtime or gmtime for f,
+ * to control the interpretation of the timestamp. Since a double doesn't
+ * have enough bits to cover a datetime's full range of precision, it's
+ * better to call datetime_from_timet_and_us provided you have a way
+ * to get that much precision (e.g., C time() isn't good enough).
+ */
+static PyObject *
+datetime_from_timestamp(PyObject *cls, TM_FUNC f, double timestamp)
+{
+ time_t timet = (time_t)timestamp;
+ int us = (int)((timestamp - (double)timet) * 1e6);
+
+ return datetime_from_timet_and_us(cls, f, timet, us);
+}
+
+/* Internal helper.
+ * Build most accurate possible datetime for current time. Pass localtime or
+ * gmtime for f as appropriate.
+ */
+static PyObject *
+datetime_best_possible(PyObject *cls, TM_FUNC f)
+{
+#ifdef HAVE_GETTIMEOFDAY
+ struct timeval t;
+
+#ifdef GETTIMEOFDAY_NO_TZ
+ gettimeofday(&t);
+#else
+ gettimeofday(&t, (struct timezone *)NULL);
+#endif
+ return datetime_from_timet_and_us(cls, f, t.tv_sec, (int)t.tv_usec);
+
+#else /* ! HAVE_GETTIMEOFDAY */
+ /* No flavor of gettimeofday exists on this platform. Python's
+ * time.time() does a lot of other platform tricks to get the
+ * best time it can on the platform, and we're not going to do
+ * better than that (if we could, the better code would belong
+ * in time.time()!) We're limited by the precision of a double,
+ * though.
+ */
+ PyObject *time;
+ double dtime;
+
+ time = time_time();
+ if (time == NULL)
+ return NULL;
+ dtime = PyFloat_AsDouble(time);
+ Py_DECREF(time);
+ if (dtime == -1.0 && PyErr_Occurred())
+ return NULL;
+ return datetime_from_timestamp(cls, f, dtime);
+#endif /* ! HAVE_GETTIMEOFDAY */
+}
+
+/* Return new local datetime from timestamp (Python timestamp -- a double). */
+static PyObject *
+datetime_fromtimestamp(PyObject *cls, PyObject *args)
+{
+ double timestamp;
+ PyObject *result = NULL;
+
+ if (PyArg_ParseTuple(args, "d:fromtimestamp", ×tamp))
+ result = datetime_from_timestamp(cls, localtime, timestamp);
+ return result;
+}
+
+/* Return new UTC datetime from timestamp (Python timestamp -- a double). */
+static PyObject *
+datetime_utcfromtimestamp(PyObject *cls, PyObject *args)
+{
+ double timestamp;
+ PyObject *result = NULL;
+
+ if (PyArg_ParseTuple(args, "d:utcfromtimestamp", ×tamp))
+ result = datetime_from_timestamp(cls, gmtime, timestamp);
+ return result;
+}
+
+/* Return best possible local time -- this isn't constrained by the
+ * precision of a timestamp.
+ */
+static PyObject *
+datetime_now(PyObject *cls, PyObject *dummy)
+{
+ return datetime_best_possible(cls, localtime);
+}
+
+/* Return best possible UTC time -- this isn't constrained by the
+ * precision of a timestamp.
+ */
+static PyObject *
+datetime_utcnow(PyObject *cls, PyObject *dummy)
+{
+ return datetime_best_possible(cls, gmtime);
+}
+
+/* Return new datetime or datetimetz from date/datetime/datetimetz and
+ * time/timetz arguments.
+ */
+static PyObject *
+datetime_combine(PyObject *cls, PyObject *args, PyObject *kw)
+{
+ static char *keywords[] = {"date", "time", NULL};
+ PyObject *date;
+ PyObject *time;
+ PyObject *result = NULL;
+
+ if (PyArg_ParseTupleAndKeywords(args, kw, "O!O!:combine", keywords,
+ &PyDateTime_DateType, &date,
+ &PyDateTime_TimeType, &time))
+ result = PyObject_CallFunction(cls, "iiiiiii",
+ GET_YEAR(date),
+ GET_MONTH(date),
+ GET_DAY(date),
+ TIME_GET_HOUR(time),
+ TIME_GET_MINUTE(time),
+ TIME_GET_SECOND(time),
+ TIME_GET_MICROSECOND(time));
+ if (result && PyTimeTZ_Check(time) && PyDateTimeTZ_Check(result)) {
+ /* Copy the tzinfo field. */
+ PyObject *tzinfo = ((PyDateTime_TimeTZ *)time)->tzinfo;
+ Py_INCREF(tzinfo);
+ Py_DECREF(((PyDateTime_DateTimeTZ *)result)->tzinfo);
+ ((PyDateTime_DateTimeTZ *)result)->tzinfo = tzinfo;
+ }
+ return result;
+}
+
+/* datetime arithmetic. */
+
+static PyObject *
+add_datetime_timedelta(PyDateTime_DateTime *date, PyDateTime_Delta *delta)
+{
+ /* Note that the C-level additions can't overflow, because of
+ * invariant bounds on the member values.
+ */
+ int year = GET_YEAR(date);
+ int month = GET_MONTH(date);
+ int day = GET_DAY(date) + GET_TD_DAYS(delta);
+ int hour = DATE_GET_HOUR(date);
+ int minute = DATE_GET_MINUTE(date);
+ int second = DATE_GET_SECOND(date) + GET_TD_SECONDS(delta);
+ int microsecond = DATE_GET_MICROSECOND(date) +
+ GET_TD_MICROSECONDS(delta);
+
+ if (normalize_datetime(&year, &month, &day,
+ &hour, &minute, &second, µsecond) < 0)
+ return NULL;
+ else
+ return new_datetime(year, month, day,
+ hour, minute, second, microsecond);
+}
+
+static PyObject *
+sub_datetime_timedelta(PyDateTime_DateTime *date, PyDateTime_Delta *delta)
+{
+ /* Note that the C-level subtractions can't overflow, because of
+ * invariant bounds on the member values.
+ */
+ int year = GET_YEAR(date);
+ int month = GET_MONTH(date);
+ int day = GET_DAY(date) - GET_TD_DAYS(delta);
+ int hour = DATE_GET_HOUR(date);
+ int minute = DATE_GET_MINUTE(date);
+ int second = DATE_GET_SECOND(date) - GET_TD_SECONDS(delta);
+ int microsecond = DATE_GET_MICROSECOND(date) -
+ GET_TD_MICROSECONDS(delta);
+
+ if (normalize_datetime(&year, &month, &day,
+ &hour, &minute, &second, µsecond) < 0)
+ return NULL;
+ else
+ return new_datetime(year, month, day,
+ hour, minute, second, microsecond);
+}
+
+static PyObject *
+sub_datetime_datetime(PyDateTime_DateTime *left, PyDateTime_DateTime *right)
+{
+ int days1 = ymd_to_ord(GET_YEAR(left), GET_MONTH(left), GET_DAY(left));
+ int days2 = ymd_to_ord(GET_YEAR(right),
+ GET_MONTH(right),
+ GET_DAY(right));
+ /* These can't overflow, since the values are normalized. At most
+ * this gives the number of seconds in one day.
+ */
+ int delta_s = (DATE_GET_HOUR(left) - DATE_GET_HOUR(right)) * 3600 +
+ (DATE_GET_MINUTE(left) - DATE_GET_MINUTE(right)) * 60 +
+ DATE_GET_SECOND(left) - DATE_GET_SECOND(right);
+ int delta_us = DATE_GET_MICROSECOND(left) -
+ DATE_GET_MICROSECOND(right);
+
+ return new_delta(days1 - days2, delta_s, delta_us, 1);
+}
+
+static PyObject *
+datetime_add(PyObject *left, PyObject *right)
+{
+ if (PyDateTime_Check(left)) {
+ /* datetime + ??? */
+ if (PyDelta_Check(right))
+ /* datetime + delta */
+ return add_datetime_timedelta(
+ (PyDateTime_DateTime *)left,
+ (PyDateTime_Delta *)right);
+ }
+ else if (PyDelta_Check(left)) {
+ /* delta + datetime */
+ return add_datetime_timedelta((PyDateTime_DateTime *) right,
+ (PyDateTime_Delta *) left);
+ }
+ Py_INCREF(Py_NotImplemented);
+ return Py_NotImplemented;
+}
+
+static PyObject *
+datetime_subtract(PyObject *left, PyObject *right)
+{
+ PyObject *result = Py_NotImplemented;
+
+ if (PyDateTime_Check(left)) {
+ /* datetime - ??? */
+ if (PyDateTime_Check(right)) {
+ /* datetime - datetime */
+ result = sub_datetime_datetime(
+ (PyDateTime_DateTime *)left,
+ (PyDateTime_DateTime *)right);
+ }
+ else if (PyDelta_Check(right)) {
+ /* datetime - delta */
+ result = sub_datetime_timedelta(
+ (PyDateTime_DateTime *)left,
+ (PyDateTime_Delta *)right);
+ }
+ }
+
+ if (result == Py_NotImplemented)
+ Py_INCREF(result);
+ return result;
+}
+
+/* Various ways to turn a datetime into a string. */
+
+static PyObject *
+datetime_repr(PyDateTime_DateTime *self)
+{
+ char buffer[1000];
+ char *typename = self->ob_type->tp_name;
+
+ if (DATE_GET_MICROSECOND(self)) {
+ PyOS_snprintf(buffer, sizeof(buffer),
+ "%s(%d, %d, %d, %d, %d, %d, %d)",
+ typename,
+ GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
+ DATE_GET_HOUR(self), DATE_GET_MINUTE(self),
+ DATE_GET_SECOND(self),
+ DATE_GET_MICROSECOND(self));
+ }
+ else if (DATE_GET_SECOND(self)) {
+ PyOS_snprintf(buffer, sizeof(buffer),
+ "%s(%d, %d, %d, %d, %d, %d)",
+ typename,
+ GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
+ DATE_GET_HOUR(self), DATE_GET_MINUTE(self),
+ DATE_GET_SECOND(self));
+ }
+ else {
+ PyOS_snprintf(buffer, sizeof(buffer),
+ "%s(%d, %d, %d, %d, %d)",
+ typename,
+ GET_YEAR(self), GET_MONTH(self), GET_DAY(self),
+ DATE_GET_HOUR(self), DATE_GET_MINUTE(self));
+ }
+ return PyString_FromString(buffer);
+}
+
+static PyObject *
+datetime_str(PyDateTime_DateTime *self)
+{
+ return PyObject_CallMethod((PyObject *)self, "isoformat", "(s)", " ");
+}
+
+static PyObject *
+datetime_isoformat(PyDateTime_DateTime *self,
+ PyObject *args, PyObject *kw)
+{
+ char sep = 'T';
+ static char *keywords[] = {"sep", NULL};
+ char buffer[100];
+ char *cp;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kw, "|c:isoformat", keywords,
+ &sep))
+ return NULL;
+ cp = isoformat_date((PyDateTime_Date *)self, buffer, sizeof(buffer));
+ assert(cp != NULL);
+ *cp++ = sep;
+ isoformat_time(self, cp, sizeof(buffer) - (cp - buffer));
+ return PyString_FromString(buffer);
+}
+
+static PyObject *
+datetime_ctime(PyDateTime_DateTime *self)
+{
+ return format_ctime((PyDateTime_Date *)self,
+ DATE_GET_HOUR(self),
+ DATE_GET_MINUTE(self),
+ DATE_GET_SECOND(self));
+}
+
+/* Miscellaneous methods. */
+
+/* This is more natural as a tp_compare, but doesn't work then: for whatever
+ * reason, Python's try_3way_compare ignores tp_compare unless
+ * PyInstance_Check returns true, but these aren't old-style classes.
+ * Note that this routine handles all comparisons for datetime and datetimetz.
+ */
+static PyObject *
+datetime_richcompare(PyDateTime_DateTime *self, PyObject *other, int op)
+{
+ int diff;
+ naivety n1, n2;
+ int offset1, offset2;
+
+ if (! PyDateTime_Check(other)) {
+ /* Stop this from falling back to address comparison. */
+ PyErr_Format(PyExc_TypeError,
+ "can't compare '%s' to '%s'",
+ self->ob_type->tp_name,
+ other->ob_type->tp_name);
+ return NULL;
+ }
+ n1 = classify_object((PyObject *)self, &offset1);
+ assert(n1 != OFFSET_UNKNOWN);
+ if (n1 == OFFSET_ERROR)
+ return NULL;
+
+ n2 = classify_object(other, &offset2);
+ assert(n2 != OFFSET_UNKNOWN);
+ if (n2 == OFFSET_ERROR)
+ return NULL;
+
+ /* If they're both naive, or both aware and have the same offsets,
+ * we get off cheap. Note that if they're both naive, offset1 ==
+ * offset2 == 0 at this point.
+ */
+ if (n1 == n2 && offset1 == offset2) {
+ diff = memcmp(self->data, ((PyDateTime_DateTime *)other)->data,
+ _PyDateTime_DATETIME_DATASIZE);
+ return diff_to_bool(diff, op);
+ }
+
+ if (n1 == OFFSET_AWARE && n2 == OFFSET_AWARE) {
+ /* We want the sign of
+ * (self - offset1 minutes) - (other - offset2 minutes) =
+ * (self - other) + (offset2 - offset1) minutes.
+ */
+ PyDateTime_Delta *delta;
+ int days, seconds, us;
+
+ assert(offset1 != offset2); /* else last "if" handled it */
+ delta = (PyDateTime_Delta *)sub_datetime_datetime(self,
+ (PyDateTime_DateTime *)other);
+ if (delta == NULL)
+ return NULL;
+ days = delta->days;
+ seconds = delta->seconds + (offset2 - offset1) * 60;
+ us = delta->microseconds;
+ Py_DECREF(delta);
+ normalize_d_s_us(&days, &seconds, &us);
+ diff = days;
+ if (diff == 0)
+ diff = seconds | us;
+ return diff_to_bool(diff, op);
+ }
+
+ assert(n1 != n2);
+ PyErr_SetString(PyExc_TypeError,
+ "can't compare offset-naive and "
+ "offset-aware datetimes");
+ return NULL;
+}
+
+static PyObject *datetime_getstate(PyDateTime_DateTime *self);
+
+static long
+datetime_hash(PyDateTime_DateTime *self)
+{
+ if (self->hashcode == -1) {
+ naivety n;
+ int offset;
+ PyObject *temp;
+
+ n = classify_object((PyObject *)self, &offset);
+ assert(n != OFFSET_UNKNOWN);
+ if (n == OFFSET_ERROR)
+ return -1;
+
+ /* Reduce this to a hash of another object. */
+ if (n == OFFSET_NAIVE)
+ temp = datetime_getstate(self);
+ else {
+ int days;
+ int seconds;
+
+ assert(n == OFFSET_AWARE);
+ assert(PyDateTimeTZ_Check(self));
+ days = ymd_to_ord(GET_YEAR(self),
+ GET_MONTH(self),
+ GET_DAY(self));
+ seconds = DATE_GET_HOUR(self) * 3600 +
+ (DATE_GET_MINUTE(self) - offset) * 60 +
+ DATE_GET_SECOND(self);
+ temp = new_delta(days,
+ seconds,
+ DATE_GET_MICROSECOND(self),
+ 1);
+ }
+ if (temp != NULL) {
+ self->hashcode = PyObject_Hash(temp);
+ Py_DECREF(temp);
+ }
+ }
+ return self->hashcode;
+}
+
+static PyObject *
+datetime_timetuple(PyDateTime_DateTime *self)
+{
+ return build_struct_time(GET_YEAR(self),
+ GET_MONTH(self),
+ GET_DAY(self),
+ DATE_GET_HOUR(self),
+ DATE_GET_MINUTE(self),
+ DATE_GET_SECOND(self),
+ -1);
+}
+
+static PyObject *
+datetime_getdate(PyDateTime_DateTime *self)
+{
+ return new_date(GET_YEAR(self),
+ GET_MONTH(self),
+ GET_DAY(self));
+}
+
+static PyObject *
+datetime_gettime(PyDateTime_DateTime *self)
+{
+ return new_time(DATE_GET_HOUR(self),
+ DATE_GET_MINUTE(self),
+ DATE_GET_SECOND(self),
+ DATE_GET_MICROSECOND(self));
+}
+
+/* Pickle support. Quite a maze! */
+
+static PyObject *
+datetime_getstate(PyDateTime_DateTime *self)
+{
+ return PyString_FromStringAndSize(self->data,
+ _PyDateTime_DATETIME_DATASIZE);
+}
+
+static PyObject *
+datetime_setstate(PyDateTime_DateTime *self, PyObject *state)
+{
+ const int len = PyString_Size(state);
+ unsigned char *pdata = (unsigned char*)PyString_AsString(state);
+
+ if (! PyString_Check(state) ||
+ len != _PyDateTime_DATETIME_DATASIZE) {
+ PyErr_SetString(PyExc_TypeError,
+ "bad argument to datetime.__setstate__");
+ return NULL;
+ }
+ memcpy(self->data, pdata, _PyDateTime_DATETIME_DATASIZE);
+ self->hashcode = -1;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+/* XXX This seems a ridiculously inefficient way to pickle a short string. */
+static PyObject *
+datetime_pickler(PyObject *module, PyDateTime_DateTime *datetime)
+{
+ PyObject *state;
+ PyObject *result = NULL;
+
+ if (! PyDateTime_CheckExact(datetime)) {
+ PyErr_Format(PyExc_TypeError,
+ "bad type passed to datetime pickler: %s",
+ datetime->ob_type->tp_name);
+ return NULL;
+ }
+ state = datetime_getstate(datetime);
+ if (state) {
+ result = Py_BuildValue("O(O)",
+ datetime_unpickler_object,
+ state);
+ Py_DECREF(state);
+ }
+ return result;
+}
+
+static PyObject *
+datetime_unpickler(PyObject *module, PyObject *arg)
+{
+ PyDateTime_DateTime *self;
+
+ if (! PyString_CheckExact(arg)) {
+ PyErr_Format(PyExc_TypeError,
+ "bad type passed to datetime unpickler: %s",
+ arg->ob_type->tp_name);
+ return NULL;
+ }
+ self = PyObject_New(PyDateTime_DateTime, &PyDateTime_DateTimeType);
+ if (self != NULL) {
+ PyObject *res = datetime_setstate(self, arg);
+ if (res == NULL) {
+ Py_DECREF(self);
+ return NULL;
+ }
+ Py_DECREF(res);
+ }
+ return (PyObject *)self;
+}
+
+static PyMethodDef datetime_methods[] = {
+ /* Class methods: */
+ {"now", (PyCFunction)datetime_now,
+ METH_NOARGS | METH_CLASS,
+ PyDoc_STR("Return a new datetime representing local day and time.")},
+
+ {"utcnow", (PyCFunction)datetime_utcnow,
+ METH_NOARGS | METH_CLASS,
+ PyDoc_STR("Return a new datetime representing UTC day and time.")},
+
+ {"fromtimestamp", (PyCFunction)datetime_fromtimestamp,
+ METH_VARARGS | METH_CLASS,
+ PyDoc_STR("timestamp -> local datetime from a POSIX timestamp "
+ "(like time.time()).")},
+
+ {"utcfromtimestamp", (PyCFunction)datetime_utcfromtimestamp,
+ METH_VARARGS | METH_CLASS,
+ PyDoc_STR("timestamp -> UTC datetime from a POSIX timestamp "
+ "(like time.time()).")},
+
+ {"combine", (PyCFunction)datetime_combine,
+ METH_VARARGS | METH_KEYWORDS | METH_CLASS,
+ PyDoc_STR("date, time -> datetime with same date and time fields")},
+
+ /* Instance methods: */
+ {"timetuple", (PyCFunction)datetime_timetuple, METH_NOARGS,
+ PyDoc_STR("Return time tuple, compatible with time.localtime().")},
+
+ {"date", (PyCFunction)datetime_getdate, METH_NOARGS,
+ PyDoc_STR("Return date object with same year, month and day.")},
+
+ {"time", (PyCFunction)datetime_gettime, METH_NOARGS,
+ PyDoc_STR("Return time object with same hour, minute, second and "
+ "microsecond.")},
+
+ {"ctime", (PyCFunction)datetime_ctime, METH_NOARGS,
+ PyDoc_STR("Return ctime() style string.")},
+
+ {"isoformat", (PyCFunction)datetime_isoformat, METH_KEYWORDS,
+ PyDoc_STR("[sep] -> string in ISO 8601 format, "
+ "YYYY-MM-DDTHH:MM:SS[.mmmmmm].\n\n"
+ "sep is used to separate the year from the time, and "
+ "defaults\n"
+ "to 'T'.")},
+
+ {"__setstate__", (PyCFunction)datetime_setstate, METH_O,
+ PyDoc_STR("__setstate__(state)")},
+
+ {"__getstate__", (PyCFunction)datetime_getstate, METH_NOARGS,
+ PyDoc_STR("__getstate__() -> state")},
+ {NULL, NULL}
+};
+
+static char datetime_doc[] =
+PyDoc_STR("Basic date/time type.");
+
+static PyNumberMethods datetime_as_number = {
+ datetime_add, /* nb_add */
+ datetime_subtract, /* nb_subtract */
+ 0, /* nb_multiply */
+ 0, /* nb_divide */
+ 0, /* nb_remainder */
+ 0, /* nb_divmod */
+ 0, /* nb_power */
+ 0, /* nb_negative */
+ 0, /* nb_positive */
+ 0, /* nb_absolute */
+ 0, /* nb_nonzero */
+};
+
+statichere PyTypeObject PyDateTime_DateTimeType = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* ob_size */
+ "datetime.datetime", /* tp_name */
+ sizeof(PyDateTime_DateTime), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ (destructor)PyObject_Del, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ (reprfunc)datetime_repr, /* tp_repr */
+ &datetime_as_number, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ (hashfunc)datetime_hash, /* tp_hash */
+ 0, /* tp_call */
+ (reprfunc)datetime_str, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+ Py_TPFLAGS_BASETYPE, /* tp_flags */
+ datetime_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ (richcmpfunc)datetime_richcompare, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ datetime_methods, /* tp_methods */
+ 0, /* tp_members */
+ datetime_getset, /* tp_getset */
+ &PyDateTime_DateType, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ 0, /* tp_alloc */
+ datetime_new, /* tp_new */
+ _PyObject_Del, /* tp_free */
+};
+
+/*
+ * PyDateTime_Time implementation.
+ */
+
+/* Accessor properties. */
+
+static PyObject *
+time_hour(PyDateTime_Time *self, void *unused)
+{
+ return PyInt_FromLong(TIME_GET_HOUR(self));
+}
+
+static PyObject *
+time_minute(PyDateTime_Time *self, void *unused)
+{
+ return PyInt_FromLong(TIME_GET_MINUTE(self));
+}
+
+static PyObject *
+time_second(PyDateTime_Time *self, void *unused)
+{
+ return PyInt_FromLong(TIME_GET_SECOND(self));
+}
+
+static PyObject *
+time_microsecond(PyDateTime_Time *self, void *unused)
+{
+ return PyInt_FromLong(TIME_GET_MICROSECOND(self));
+}
+
+static PyGetSetDef time_getset[] = {
+ {"hour", (getter)time_hour},
+ {"minute", (getter)time_minute},
+ {"second", (getter)time_second},
+ {"microsecond", (getter)time_microsecond},
+ {NULL}
+};
+
+/* Constructors. */
+
+static PyObject *
+time_new(PyTypeObject *type, PyObject *args, PyObject *kw)
+{
+ PyObject *self = NULL;
+ int hour = 0;
+ int minute = 0;
+ int second = 0;
+ int usecond = 0;
+
+ static char *keywords[] = {
+ "hour", "minute", "second", "microsecond", NULL
+ };
+
+ if (PyArg_ParseTupleAndKeywords(args, kw, "|iiii", keywords,
+ &hour, &minute, &second, &usecond)) {
+ if (check_time_args(hour, minute, second, usecond) < 0)
+ return NULL;
+ self = new_time(hour, minute, second, usecond);
+ }
+ return self;
+}
+
+/* Various ways to turn a time into a string. */
+
+static PyObject *
+time_repr(PyDateTime_Time *self)
+{
+ char buffer[100];
+ char *typename = self->ob_type->tp_name;
+ int h = TIME_GET_HOUR(self);
+ int m = TIME_GET_MINUTE(self);
+ int s = TIME_GET_SECOND(self);
+ int us = TIME_GET_MICROSECOND(self);
+
+ if (us)
+ PyOS_snprintf(buffer, sizeof(buffer),
+ "%s(%d, %d, %d, %d)", typename, h, m, s, us);
+ else if (s)
+ PyOS_snprintf(buffer, sizeof(buffer),
+ "%s(%d, %d, %d)", typename, h, m, s);
+ else
+ PyOS_snprintf(buffer, sizeof(buffer),
+ "%s(%d, %d)", typename, h, m);
+ return PyString_FromString(buffer);
+}
+
+static PyObject *
+time_str(PyDateTime_Time *self)
+{
+ return PyObject_CallMethod((PyObject *)self, "isoformat", "()");
+}
+
+static PyObject *
+time_isoformat(PyDateTime_Time *self)
+{
+ char buffer[100];
+ /* Reuse the time format code from the datetime type. */
+ PyDateTime_DateTime datetime;
+ PyDateTime_DateTime *pdatetime = &datetime;
+
+ /* Copy over just the time bytes. */
+ memcpy(pdatetime->data + _PyDateTime_DATE_DATASIZE,
+ self->data,
+ _PyDateTime_TIME_DATASIZE);
+
+ isoformat_time(pdatetime, buffer, sizeof(buffer));
+ return PyString_FromString(buffer);
+}
+
+static PyObject *
+time_strftime(PyDateTime_Time *self, PyObject *args, PyObject *kw)
+{
+ PyObject *result;
+ PyObject *format;
+ PyObject *tuple;
+ static char *keywords[] = {"format", NULL};
+
+ if (! PyArg_ParseTupleAndKeywords(args, kw, "O!:strftime", keywords,
+ &PyString_Type, &format))
+ return NULL;
+
+ tuple = Py_BuildValue("iiiiiiiii",
+ 0, 0, 0, /* year, month, day */
+ TIME_GET_HOUR(self),
+ TIME_GET_MINUTE(self),
+ TIME_GET_SECOND(self),
+ 0, 0, -1); /* weekday, daynum, dst */
+ if (tuple == NULL)
+ return NULL;
+ assert(PyTuple_Size(tuple) == 9);
+ result = wrap_strftime((PyObject *)self, format, tuple);
+ Py_DECREF(tuple);
+ return result;
+}
+
+/* Miscellaneous methods. */
+
+/* This is more natural as a tp_compare, but doesn't work then: for whatever
+ * reason, Python's try_3way_compare ignores tp_compare unless
+ * PyInstance_Check returns true, but these aren't old-style classes.
+ * Note that this routine handles all comparisons for time and timetz.
+ */
+static PyObject *
+time_richcompare(PyDateTime_Time *self, PyObject *other, int op)
+{
+ int diff;
+ naivety n1, n2;
+ int offset1, offset2;
+
+ if (! PyTime_Check(other)) {
+ /* Stop this from falling back to address comparison. */
+ PyErr_Format(PyExc_TypeError,
+ "can't compare '%s' to '%s'",
+ self->ob_type->tp_name,
+ other->ob_type->tp_name);
+ return NULL;
+ }
+ n1 = classify_object((PyObject *)self, &offset1);
+ assert(n1 != OFFSET_UNKNOWN);
+ if (n1 == OFFSET_ERROR)
+ return NULL;
+
+ n2 = classify_object(other, &offset2);
+ assert(n2 != OFFSET_UNKNOWN);
+ if (n2 == OFFSET_ERROR)
+ return NULL;
+
+ /* If they're both naive, or both aware and have the same offsets,
+ * we get off cheap. Note that if they're both naive, offset1 ==
+ * offset2 == 0 at this point.
+ */
+ if (n1 == n2 && offset1 == offset2) {
+ diff = memcmp(self->data, ((PyDateTime_Time *)other)->data,
+ _PyDateTime_TIME_DATASIZE);
+ return diff_to_bool(diff, op);
+ }
+
+ if (n1 == OFFSET_AWARE && n2 == OFFSET_AWARE) {
+ assert(offset1 != offset2); /* else last "if" handled it */
+ /* Convert everything except microseconds to seconds. These
+ * can't overflow (no more than the # of seconds in 2 days).
+ */
+ offset1 = TIME_GET_HOUR(self) * 3600 +
+ (TIME_GET_MINUTE(self) - offset1) * 60 +
+ TIME_GET_SECOND(self);
+ offset2 = TIME_GET_HOUR(other) * 3600 +
+ (TIME_GET_MINUTE(other) - offset2) * 60 +
+ TIME_GET_SECOND(other);
+ diff = offset1 - offset2;
+ if (diff == 0)
+ diff = TIME_GET_MICROSECOND(self) -
+ TIME_GET_MICROSECOND(other);
+ return diff_to_bool(diff, op);
+ }
+
+ assert(n1 != n2);
+ PyErr_SetString(PyExc_TypeError,
+ "can't compare offset-naive and "
+ "offset-aware times");
+ return NULL;
+}
+
+static PyObject *time_getstate(PyDateTime_Time *self);
+
+static long
+time_hash(PyDateTime_Time *self)
+{
+ if (self->hashcode == -1) {
+ naivety n;
+ int offset;
+ PyObject *temp;
+
+ n = classify_object((PyObject *)self, &offset);
+ assert(n != OFFSET_UNKNOWN);
+ if (n == OFFSET_ERROR)
+ return -1;
+
+ /* Reduce this to a hash of another object. */
+ if (offset == 0)
+ temp = time_getstate(self);
+ else {
+ int hour;
+ int minute;
+
+ assert(n == OFFSET_AWARE);
+ assert(PyTimeTZ_Check(self));
+ hour = divmod(TIME_GET_HOUR(self) * 60 +
+ TIME_GET_MINUTE(self) - offset,
+ 60,
+ &minute);
+ if (0 <= hour && hour < 24)
+ temp = new_time(hour, minute,
+ TIME_GET_SECOND(self),
+ TIME_GET_MICROSECOND(self));
+ else
+ temp = Py_BuildValue("iiii",
+ hour, minute,
+ TIME_GET_SECOND(self),
+ TIME_GET_MICROSECOND(self));
+ }
+ if (temp != NULL) {
+ self->hashcode = PyObject_Hash(temp);
+ Py_DECREF(temp);
+ }
+ }
+ return self->hashcode;
+}
+
+static int
+time_nonzero(PyDateTime_Time *self)
+{
+ return TIME_GET_HOUR(self) ||
+ TIME_GET_MINUTE(self) ||
+ TIME_GET_SECOND(self) ||
+ TIME_GET_MICROSECOND(self);
+}
+
+/* Pickle support. Quite a maze! */
+
+static PyObject *
+time_getstate(PyDateTime_Time *self)
+{
+ return PyString_FromStringAndSize(self->data,
+ _PyDateTime_TIME_DATASIZE);
+}
+
+static PyObject *
+time_setstate(PyDateTime_Time *self, PyObject *state)
+{
+ const int len = PyString_Size(state);
+ unsigned char *pdata = (unsigned char*)PyString_AsString(state);
+
+ if (! PyString_Check(state) ||
+ len != _PyDateTime_TIME_DATASIZE) {
+ PyErr_SetString(PyExc_TypeError,
+ "bad argument to time.__setstate__");
+ return NULL;
+ }
+ memcpy(self->data, pdata, _PyDateTime_TIME_DATASIZE);
+ self->hashcode = -1;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+/* XXX This seems a ridiculously inefficient way to pickle a short string. */
+static PyObject *
+time_pickler(PyObject *module, PyDateTime_Time *time)
+{
+ PyObject *state;
+ PyObject *result = NULL;
+
+ if (! PyTime_CheckExact(time)) {
+ PyErr_Format(PyExc_TypeError,
+ "bad type passed to time pickler: %s",
+ time->ob_type->tp_name);
+ return NULL;
+ }
+ state = time_getstate(time);
+ if (state) {
+ result = Py_BuildValue("O(O)",
+ time_unpickler_object,
+ state);
+ Py_DECREF(state);
+ }
+ return result;
+}
+
+static PyObject *
+time_unpickler(PyObject *module, PyObject *arg)
+{
+ PyDateTime_Time *self;
+
+ if (! PyString_CheckExact(arg)) {
+ PyErr_Format(PyExc_TypeError,
+ "bad type passed to time unpickler: %s",
+ arg->ob_type->tp_name);
+ return NULL;
+ }
+ self = PyObject_New(PyDateTime_Time, &PyDateTime_TimeType);
+ if (self != NULL) {
+ PyObject *res = time_setstate(self, arg);
+ if (res == NULL) {
+ Py_DECREF(self);
+ return NULL;
+ }
+ Py_DECREF(res);
+ }
+ return (PyObject *)self;
+}
+
+static PyMethodDef time_methods[] = {
+ {"isoformat", (PyCFunction)time_isoformat, METH_KEYWORDS,
+ PyDoc_STR("Return string in ISO 8601 format, HH:MM:SS[.mmmmmm].")},
+
+ {"strftime", (PyCFunction)time_strftime, METH_KEYWORDS,
+ PyDoc_STR("format -> strftime() style string.")},
+
+ {"__setstate__", (PyCFunction)time_setstate, METH_O,
+ PyDoc_STR("__setstate__(state)")},
+
+ {"__getstate__", (PyCFunction)time_getstate, METH_NOARGS,
+ PyDoc_STR("__getstate__() -> state")},
+ {NULL, NULL}
+};
+
+static char time_doc[] =
+PyDoc_STR("Basic time type.");
+
+static PyNumberMethods time_as_number = {
+ 0, /* nb_add */
+ 0, /* nb_subtract */
+ 0, /* nb_multiply */
+ 0, /* nb_divide */
+ 0, /* nb_remainder */
+ 0, /* nb_divmod */
+ 0, /* nb_power */
+ 0, /* nb_negative */
+ 0, /* nb_positive */
+ 0, /* nb_absolute */
+ (inquiry)time_nonzero, /* nb_nonzero */
+};
+
+statichere PyTypeObject PyDateTime_TimeType = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* ob_size */
+ "datetime.time", /* tp_name */
+ sizeof(PyDateTime_Time), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ (destructor)PyObject_Del, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ (reprfunc)time_repr, /* tp_repr */
+ &time_as_number, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ (hashfunc)time_hash, /* tp_hash */
+ 0, /* tp_call */
+ (reprfunc)time_str, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+ Py_TPFLAGS_BASETYPE, /* tp_flags */
+ time_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ (richcmpfunc)time_richcompare, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ time_methods, /* tp_methods */
+ 0, /* tp_members */
+ time_getset, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ 0, /* tp_alloc */
+ time_new, /* tp_new */
+ _PyObject_Del, /* tp_free */
+};
+
+/*
+ * PyDateTime_TZInfo implementation.
+ */
+
+/* This is a pure abstract base class, so doesn't do anything beyond
+ * raising NotImplemented exceptions. Real tzinfo classes need
+ * to derive from this. This is mostly for clarity, and for efficiency in
+ * datetimetz and timetz constructors (their tzinfo arguments need to
+ * be subclasses of this tzinfo class, which is easy and quick to check).
+ *
+ * Note: For reasons having to do with pickling of subclasses, we have
+ * to allow tzinfo objects to be instantiated. This wasn't an issue
+ * in the Python implementation (__init__() could raise NotImplementedError
+ * there without ill effect), but doing so in the C implementation hit a
+ * brick wall.
+ */
+
+static PyObject *
+tzinfo_nogo(const char* methodname)
+{
+ PyErr_Format(PyExc_NotImplementedError,
+ "a tzinfo subclass must implement %s()",
+ methodname);
+ return NULL;
+}
+
+/* Methods. A subclass must implement these. */
+
+static PyObject*
+tzinfo_tzname(PyDateTime_TZInfo *self, PyObject *dt)
+{
+ return tzinfo_nogo("tzname");
+}
+
+static PyObject*
+tzinfo_utcoffset(PyDateTime_TZInfo *self, PyObject *dt)
+{
+ return tzinfo_nogo("utcoffset");
+}
+
+static PyObject*
+tzinfo_dst(PyDateTime_TZInfo *self, PyObject *dt)
+{
+ return tzinfo_nogo("dst");
+}
+
+/*
+ * Pickle support. This is solely so that tzinfo subclasses can use
+ * pickling -- tzinfo itself is supposed to be uninstantiable. The
+ * pickler and unpickler functions are given module-level private
+ * names, and registered with copy_reg, by the module init function.
+ */
+
+static PyObject*
+tzinfo_pickler(PyDateTime_TZInfo *self) {
+ return Py_BuildValue("O()", tzinfo_unpickler_object);
+}
+
+static PyObject*
+tzinfo_unpickler(PyObject * unused) {
+ return PyType_GenericNew(&PyDateTime_TZInfoType, NULL, NULL);
+}
+
+
+static PyMethodDef tzinfo_methods[] = {
+ {"tzname", (PyCFunction)tzinfo_tzname, METH_O,
+ PyDoc_STR("datetime -> string name of time zone.")},
+
+ {"utcoffset", (PyCFunction)tzinfo_utcoffset, METH_O,
+ PyDoc_STR("datetime -> minutes east of UTC (negative for "
+ "west of UTC).")},
+
+ {"dst", (PyCFunction)tzinfo_dst, METH_O,
+ PyDoc_STR("datetime -> DST offset in minutes east of UTC.")},
+
+ {NULL, NULL}
+};
+
+static char tzinfo_doc[] =
+PyDoc_STR("Abstract base class for time zone info objects.");
+
+ statichere PyTypeObject PyDateTime_TZInfoType = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* ob_size */
+ "datetime.tzinfo", /* tp_name */
+ sizeof(PyDateTime_TZInfo), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ 0, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ 0, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ 0, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+ Py_TPFLAGS_BASETYPE, /* tp_flags */
+ tzinfo_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ tzinfo_methods, /* tp_methods */
+ 0, /* tp_members */
+ 0, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ 0, /* tp_alloc */
+ PyType_GenericNew, /* tp_new */
+ 0, /* tp_free */
+};
+
+/*
+ * PyDateTime_TimeTZ implementation.
+ */
+
+/* Accessor properties. Properties for hour, minute, second and microsecond
+ * are inherited from time.
+ */
+
+static PyObject *
+timetz_tzinfo(PyDateTime_TimeTZ *self, void *unused)
+{
+ Py_INCREF(self->tzinfo);
+ return self->tzinfo;
+}
+
+static PyGetSetDef timetz_getset[] = {
+ {"tzinfo", (getter)timetz_tzinfo},
+ {NULL}
+};
+
+/*
+ * Constructors.
+ */
+
+static PyObject *
+timetz_new(PyTypeObject *type, PyObject *args, PyObject *kw)
+{
+ PyObject *self = NULL;
+ int hour = 0;
+ int minute = 0;
+ int second = 0;
+ int usecond = 0;
+ PyObject *tzinfo = Py_None;
+
+ static char *keywords[] = {
+ "hour", "minute", "second", "microsecond", "tzinfo", NULL
+ };
+
+ if (PyArg_ParseTupleAndKeywords(args, kw, "|llllO", keywords,
+ &hour, &minute, &second, &usecond,
+ &tzinfo)) {
+ if (check_time_args(hour, minute, second, usecond) < 0)
+ return NULL;
+ if (check_tzinfo_subclass(tzinfo) < 0)
+ return NULL;
+ self = new_timetz(hour, minute, second, usecond, tzinfo);
+ }
+ return self;
+}
+
+/*
+ * Destructor.
+ */
+
+static void
+timetz_dealloc(PyDateTime_TimeTZ *self)
+{
+ Py_XDECREF(self->tzinfo);
+ self->ob_type->tp_free((PyObject *)self);
+}
+
+/*
+ * Indirect access to tzinfo methods. One more "convenience function" and
+ * it won't be possible to find the useful methods anymore <0.5 wink>.
+ */
+
+static PyObject *
+timetz_convienience(PyDateTime_TimeTZ *self, char *name)
+{
+ PyObject *result;
+
+ if (self->tzinfo == Py_None) {
+ result = Py_None;
+ Py_INCREF(result);
+ }
+ else
+ result = PyObject_CallMethod(self->tzinfo, name, "O", self);
+ return result;
+}
+
+/* These are all METH_NOARGS, so don't need to check the arglist. */
+static PyObject *
+timetz_utcoffset(PyDateTime_TimeTZ *self, PyObject *unused) {
+ return timetz_convienience(self, "utcoffset");
+}
+
+static PyObject *
+timetz_tzname(PyDateTime_TimeTZ *self, PyObject *unused) {
+ return timetz_convienience(self, "tzname");
+}
+
+static PyObject *
+timetz_dst(PyDateTime_TimeTZ *self, PyObject *unused) {
+ return timetz_convienience(self, "dst");
+}
+
+/*
+ * Various ways to turn a timetz into a string.
+ */
+
+static PyObject *
+timetz_repr(PyDateTime_TimeTZ *self)
+{
+ PyObject *baserepr = time_repr((PyDateTime_Time *)self);
+
+ if (baserepr == NULL)
+ return NULL;
+ return append_keyword_tzinfo(baserepr, self->tzinfo);
+}
+
+/* Note: tp_str is inherited from time. */
+
+static PyObject *
+timetz_isoformat(PyDateTime_TimeTZ *self)
+{
+ char buf[100];
+ PyObject *result = time_isoformat((PyDateTime_Time *)self);
+
+ if (result == NULL || self->tzinfo == Py_None)
+ return result;
+
+ /* We need to append the UTC offset. */
+ if (format_utcoffset(buf, sizeof(buf), ":", self->tzinfo,
+ (PyObject *)self) < 0) {
+ Py_DECREF(result);
+ return NULL;
+ }
+ PyString_ConcatAndDel(&result, PyString_FromString(buf));
+ return result;
+}
+
+/* Note: strftime() is inherited from time. */
+
+/*
+ * Miscellaneous methods.
+ */
+
+/* Note: tp_richcompare and tp_hash are inherited from time. */
+
+static int
+timetz_nonzero(PyDateTime_TimeTZ *self)
+{
+ int offset;
+ int none;
+
+ if (TIME_GET_SECOND(self) || TIME_GET_MICROSECOND(self)) {
+ /* Since utcoffset is in whole minutes, nothing can
+ * alter the conclusion that this is nonzero.
+ */
+ return 1;
+ }
+ offset = 0;
+ if (self->tzinfo != Py_None) {
+ offset = call_utcoffset(self->tzinfo, (PyObject *)self, &none);
+ if (offset == -1 && PyErr_Occurred())
+ return -1;
+ }
+ return (TIME_GET_MINUTE(self) - offset + TIME_GET_HOUR(self)*60) != 0;
+}
+
+/*
+ * Pickle support. Quite a maze!
+ */
+
+/* Let basestate be the state string returned by time_getstate.
+ * If tzinfo is None, this returns (basestate,), else (basestate, tzinfo).
+ * So it's a tuple in any (non-error) case.
+ */
+static PyObject *
+timetz_getstate(PyDateTime_TimeTZ *self)
+{
+ PyObject *basestate;
+ PyObject *result = NULL;
+
+ basestate = time_getstate((PyDateTime_Time *)self);
+ if (basestate != NULL) {
+ if (self->tzinfo == Py_None)
+ result = Py_BuildValue("(O)", basestate);
+ else
+ result = Py_BuildValue("OO", basestate, self->tzinfo);
+ Py_DECREF(basestate);
+ }
+ return result;
+}
+
+static PyObject *
+timetz_setstate(PyDateTime_TimeTZ *self, PyObject *state)
+{
+ PyObject *temp;
+ PyObject *basestate;
+ PyObject *tzinfo = Py_None;
+
+ if (! PyArg_ParseTuple(state, "O!|O:__setstate__",
+ &PyString_Type, &basestate,
+ &tzinfo))
+ return NULL;
+ temp = time_setstate((PyDateTime_Time *)self, basestate);
+ if (temp == NULL)
+ return NULL;
+ Py_DECREF(temp);
+
+ Py_INCREF(tzinfo);
+ Py_XDECREF(self->tzinfo);
+ self->tzinfo = tzinfo;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static PyObject *
+timetz_pickler(PyObject *module, PyDateTime_TimeTZ *timetz)
+{
+ PyObject *state;
+ PyObject *result = NULL;
+
+ if (! PyTimeTZ_CheckExact(timetz)) {
+ PyErr_Format(PyExc_TypeError,
+ "bad type passed to timetz pickler: %s",
+ timetz->ob_type->tp_name);
+ return NULL;
+ }
+ state = timetz_getstate(timetz);
+ if (state) {
+ result = Py_BuildValue("O(O)",
+ timetz_unpickler_object,
+ state);
+ Py_DECREF(state);
+ }
+ return result;
+}
+
+static PyObject *
+timetz_unpickler(PyObject *module, PyObject *arg)
+{
+ PyDateTime_TimeTZ *self;
+
+ self = PyObject_New(PyDateTime_TimeTZ, &PyDateTime_TimeTZType);
+ if (self != NULL) {
+ PyObject *res;
+
+ self->tzinfo = NULL;
+ res = timetz_setstate(self, arg);
+ if (res == NULL) {
+ Py_DECREF(self);
+ return NULL;
+ }
+ Py_DECREF(res);
+ }
+ return (PyObject *)self;
+}
+
+static PyMethodDef timetz_methods[] = {
+ {"isoformat", (PyCFunction)timetz_isoformat, METH_KEYWORDS,
+ PyDoc_STR("Return string in ISO 8601 format, HH:MM:SS[.mmmmmm]"
+ "[+HH:MM].")},
+
+ {"utcoffset", (PyCFunction)timetz_utcoffset, METH_NOARGS,
+ PyDoc_STR("Return self.tzinfo.utcoffset(self).")},
+
+ {"tzname", (PyCFunction)timetz_tzname, METH_NOARGS,
+ PyDoc_STR("Return self.tzinfo.tzname(self).")},
+
+ {"dst", (PyCFunction)timetz_dst, METH_NOARGS,
+ PyDoc_STR("Return self.tzinfo.dst(self).")},
+
+ {"__setstate__", (PyCFunction)timetz_setstate, METH_O,
+ PyDoc_STR("__setstate__(state)")},
+
+ {"__getstate__", (PyCFunction)timetz_getstate, METH_NOARGS,
+ PyDoc_STR("__getstate__() -> state")},
+ {NULL, NULL}
+
+};
+
+static char timetz_doc[] =
+PyDoc_STR("Time type.");
+
+static PyNumberMethods timetz_as_number = {
+ 0, /* nb_add */
+ 0, /* nb_subtract */
+ 0, /* nb_multiply */
+ 0, /* nb_divide */
+ 0, /* nb_remainder */
+ 0, /* nb_divmod */
+ 0, /* nb_power */
+ 0, /* nb_negative */
+ 0, /* nb_positive */
+ 0, /* nb_absolute */
+ (inquiry)timetz_nonzero, /* nb_nonzero */
+};
+
+statichere PyTypeObject PyDateTime_TimeTZType = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* ob_size */
+ "datetime.timetz", /* tp_name */
+ sizeof(PyDateTime_TimeTZ), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ (destructor)timetz_dealloc, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ (reprfunc)timetz_repr, /* tp_repr */
+ &timetz_as_number, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ 0, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+ Py_TPFLAGS_BASETYPE, /* tp_flags */
+ time_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ timetz_methods, /* tp_methods */
+ 0, /* tp_members */
+ timetz_getset, /* tp_getset */
+ &PyDateTime_TimeType, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ 0, /* tp_alloc */
+ timetz_new, /* tp_new */
+ _PyObject_Del, /* tp_free */
+};
+
+/*
+ * PyDateTime_DateTimeTZ implementation.
+ */
+
+/* Accessor properties. Properties for day, month, year, hour, minute,
+ * second and microsecond are inherited from datetime.
+ */
+
+static PyObject *
+datetimetz_tzinfo(PyDateTime_DateTimeTZ *self, void *unused)
+{
+ Py_INCREF(self->tzinfo);
+ return self->tzinfo;
+}
+
+static PyGetSetDef datetimetz_getset[] = {
+ {"tzinfo", (getter)datetimetz_tzinfo},
+ {NULL}
+};
+
+/*
+ * Constructors.
+ * These are like the datetime methods of the same names, but allow an
+ * optional tzinfo argument.
+ */
+
+/* Internal helper.
+ * self is a datetimetz. Replace its tzinfo member.
+ */
+void
+replace_tzinfo(PyObject *self, PyObject *newtzinfo)
+{
+ assert(self != NULL);
+ assert(newtzinfo != NULL);
+ assert(PyDateTimeTZ_Check(self));
+ Py_INCREF(newtzinfo);
+ Py_DECREF(((PyDateTime_DateTimeTZ *)self)->tzinfo);
+ ((PyDateTime_DateTimeTZ *)self)->tzinfo = newtzinfo;
+}
+
+static PyObject *
+datetimetz_new(PyTypeObject *type, PyObject *args, PyObject *kw)
+{
+ PyObject *self = NULL;
+ int year;
+ int month;
+ int day;
+ int hour = 0;
+ int minute = 0;
+ int second = 0;
+ int usecond = 0;
+ PyObject *tzinfo = Py_None;
+
+ static char *keywords[] = {
+ "year", "month", "day", "hour", "minute", "second",
+ "microsecond", "tzinfo", NULL
+ };
+
+ if (PyArg_ParseTupleAndKeywords(args, kw, "iii|iiiiO", keywords,
+ &year, &month, &day, &hour, &minute,
+ &second, &usecond, &tzinfo)) {
+ if (check_date_args(year, month, day) < 0)
+ return NULL;
+ if (check_time_args(hour, minute, second, usecond) < 0)
+ return NULL;
+ if (check_tzinfo_subclass(tzinfo) < 0)
+ return NULL;
+ self = new_datetimetz(year, month, day,
+ hour, minute, second, usecond,
+ tzinfo);
+ }
+ return self;
+}
+
+/* Return best possible local time -- this isn't constrained by the
+ * precision of a timestamp.
+ */
+static PyObject *
+datetimetz_now(PyObject *cls, PyObject *args, PyObject *kw)
+{
+ PyObject *self = NULL;
+ PyObject *tzinfo = Py_None;
+ static char *keywords[] = {"tzinfo", NULL};
+
+ if (PyArg_ParseTupleAndKeywords(args, kw, "|O:now", keywords,
+ &tzinfo)) {
+ if (check_tzinfo_subclass(tzinfo) < 0)
+ return NULL;
+ self = datetime_best_possible(cls, localtime);
+ if (self != NULL)
+ replace_tzinfo(self, tzinfo);
+ }
+ return self;
+}
+
+/* Return new local datetime from timestamp (Python timestamp -- a double). */
+static PyObject *
+datetimetz_fromtimestamp(PyObject *cls, PyObject *args, PyObject *kw)
+{
+ PyObject *self = NULL;
+ double timestamp;
+ PyObject *tzinfo = Py_None;
+ static char *keywords[] = {"timestamp", "tzinfo", NULL};
+
+ if (PyArg_ParseTupleAndKeywords(args, kw, "d|O:fromtimestamp",
+ keywords, ×tamp, &tzinfo)) {
+ if (check_tzinfo_subclass(tzinfo) < 0)
+ return NULL;
+ self = datetime_from_timestamp(cls, localtime, timestamp);
+ if (self != NULL)
+ replace_tzinfo(self, tzinfo);
+ }
+ return self;
+}
+
+/* Note: utcnow() is inherited, and doesn't accept tzinfo.
+ * Ditto utcfromtimestamp(). Ditto combine().
+ */
+
+
+/*
+ * Destructor.
+ */
+
+static void
+datetimetz_dealloc(PyDateTime_DateTimeTZ *self)
+{
+ Py_XDECREF(self->tzinfo);
+ self->ob_type->tp_free((PyObject *)self);
+}
+
+/*
+ * Indirect access to tzinfo methods.
+ */
+
+/* Internal helper.
+ * Call a tzinfo object's method, or return None if tzinfo is None.
+ */
+static PyObject *
+datetimetz_convienience(PyDateTime_DateTimeTZ *self, char *name)
+{
+ PyObject *result;
+
+ if (self->tzinfo == Py_None) {
+ result = Py_None;
+ Py_INCREF(result);
+ }
+ else
+ result = PyObject_CallMethod(self->tzinfo, name, "O", self);
+ return result;
+}
+
+/* These are all METH_NOARGS, so don't need to check the arglist. */
+static PyObject *
+datetimetz_utcoffset(PyDateTime_DateTimeTZ *self, PyObject *unused) {
+ return datetimetz_convienience(self, "utcoffset");
+}
+
+static PyObject *
+datetimetz_tzname(PyDateTime_DateTimeTZ *self, PyObject *unused) {
+ return datetimetz_convienience(self, "tzname");
+}
+
+static PyObject *
+datetimetz_dst(PyDateTime_DateTimeTZ *self, PyObject *unused) {
+ return datetimetz_convienience(self, "dst");
+}
+
+/*
+ * datetimetz arithmetic.
+ */
+
+/* If base is Py_NotImplemented or NULL, just return it.
+ * Else base is a datetime, exactly one of {left, right} is a datetimetz,
+ * and we want to create a datetimetz with the same date and time fields
+ * as base, and with the tzinfo field from left or right. Do that,
+ * return it, and decref base. This is used to transform the result of
+ * a binary datetime operation (base) into a datetimetz result.
+ */
+static PyObject *
+attach_tzinfo(PyObject *base, PyObject *left, PyObject *right)
+{
+ PyDateTime_DateTimeTZ *self;
+ PyDateTime_DateTimeTZ *result;
+
+ if (base == NULL || base == Py_NotImplemented)
+ return base;
+
+ assert(PyDateTime_CheckExact(base));
+
+ if (PyDateTimeTZ_Check(left)) {
+ assert(! PyDateTimeTZ_Check(right));
+ self = (PyDateTime_DateTimeTZ *)left;
+ }
+ else {
+ assert(PyDateTimeTZ_Check(right));
+ self = (PyDateTime_DateTimeTZ *)right;
+ }
+ result = PyObject_New(PyDateTime_DateTimeTZ,
+ &PyDateTime_DateTimeTZType);
+ if (result != NULL) {
+ memcpy(result->data, ((PyDateTime_DateTime *)base)->data,
+ _PyDateTime_DATETIME_DATASIZE);
+ Py_INCREF(self->tzinfo);
+ result->tzinfo = self->tzinfo;
+ }
+ Py_DECREF(base);
+ return (PyObject *)result;
+}
+
+static PyObject *
+datetimetz_add(PyObject *left, PyObject *right)
+{
+ return attach_tzinfo(datetime_add(left, right), left, right);
+}
+
+static PyObject *
+datetimetz_subtract(PyObject *left, PyObject *right)
+{
+ PyObject *result = Py_NotImplemented;
+
+ if (PyDateTime_Check(left)) {
+ /* datetime - ??? */
+ if (PyDateTime_Check(right)) {
+ /* datetime - datetime */
+ naivety n1, n2;
+ int offset1, offset2;
+ PyDateTime_Delta *delta;
+
+ n1 = classify_object(left, &offset1);
+ assert(n1 != OFFSET_UNKNOWN);
+ if (n1 == OFFSET_ERROR)
+ return NULL;
+
+ n2 = classify_object(right, &offset2);
+ assert(n2 != OFFSET_UNKNOWN);
+ if (n2 == OFFSET_ERROR)
+ return NULL;
+
+ if (n1 != n2) {
+ PyErr_SetString(PyExc_TypeError,
+ "can't subtract offset-naive and "
+ "offset-aware datetimes");
+ return NULL;
+ }
+ delta = (PyDateTime_Delta *)sub_datetime_datetime(
+ (PyDateTime_DateTime *)left,
+ (PyDateTime_DateTime *)right);
+ if (delta == NULL || offset1 == offset2)
+ return (PyObject *)delta;
+ /* (left - offset1) - (right - offset2) =
+ * (left - right) + (offset2 - offset1)
+ */
+ result = new_delta(delta->days,
+ delta->seconds +
+ (offset2 - offset1) * 60,
+ delta->microseconds,
+ 1);
+ Py_DECREF(delta);
+ }
+ else if (PyDelta_Check(right)) {
+ /* datetimetz - delta */
+ result = sub_datetime_timedelta(
+ (PyDateTime_DateTime *)left,
+ (PyDateTime_Delta *)right);
+ result = attach_tzinfo(result, left, right);
+ }
+ }
+
+ if (result == Py_NotImplemented)
+ Py_INCREF(result);
+ return result;
+}
+
+/* Various ways to turn a datetime into a string. */
+
+static PyObject *
+datetimetz_repr(PyDateTime_DateTimeTZ *self)
+{
+ PyObject *baserepr = datetime_repr((PyDateTime_DateTime *)self);
+
+ if (baserepr == NULL)
+ return NULL;
+ return append_keyword_tzinfo(baserepr, self->tzinfo);
+}
+
+/* Note: tp_str is inherited from datetime. */
+
+static PyObject *
+datetimetz_isoformat(PyDateTime_DateTimeTZ *self,
+ PyObject *args, PyObject *kw)
+{
+ char buf[100];
+ PyObject *result = datetime_isoformat((PyDateTime_DateTime *)self,
+ args, kw);
+
+ if (result == NULL || self->tzinfo == Py_None)
+ return result;
+
+ /* We need to append the UTC offset. */
+ if (format_utcoffset(buf, sizeof(buf), ":", self->tzinfo,
+ (PyObject *)self) < 0) {
+ Py_DECREF(result);
+ return NULL;
+ }
+ PyString_ConcatAndDel(&result, PyString_FromString(buf));
+ return result;
+}
+
+/* Miscellaneous methods. */
+
+/* Note: tp_richcompare and tp_hash are inherited from datetime. */
+
+static PyObject *
+datetimetz_timetuple(PyDateTime_DateTimeTZ *self)
+{
+ int dstflag = -1;
+
+ if (self->tzinfo != Py_None) {
+ int none;
+
+ dstflag = call_dst(self->tzinfo, (PyObject *)self, &none);
+ if (dstflag == -1 && PyErr_Occurred())
+ return NULL;
+
+ if (none)
+ dstflag = -1;
+ else if (dstflag != 0)
+ dstflag = 1;
+
+ }
+ return build_struct_time(GET_YEAR(self),
+ GET_MONTH(self),
+ GET_DAY(self),
+ DATE_GET_HOUR(self),
+ DATE_GET_MINUTE(self),
+ DATE_GET_SECOND(self),
+ dstflag);
+}
+
+static PyObject *
+datetimetz_utctimetuple(PyDateTime_DateTimeTZ *self)
+{
+ int y = GET_YEAR(self);
+ int m = GET_MONTH(self);
+ int d = GET_DAY(self);
+ int hh = DATE_GET_HOUR(self);
+ int mm = DATE_GET_MINUTE(self);
+ int ss = DATE_GET_SECOND(self);
+ int us = 0; /* microseconds are ignored in a timetuple */
+ int offset = 0;
+
+ if (self->tzinfo != Py_None) {
+ int none;
+
+ offset = call_utcoffset(self->tzinfo, (PyObject *)self, &none);
+ if (offset == -1 && PyErr_Occurred())
+ return NULL;
+ }
+ /* Even if offset is 0, don't call timetuple() -- tm_isdst should be
+ * 0 in a UTC timetuple regardless of what dst() says.
+ */
+ if (offset) {
+ /* Subtract offset minutes & normalize. */
+ int stat;
+
+ mm -= offset;
+ stat = normalize_datetime(&y, &m, &d, &hh, &mm, &ss, &us);
+ if (stat < 0) {
+ /* At the edges, it's possible we overflowed
+ * beyond MINYEAR or MAXYEAR.
+ */
+ if (PyErr_ExceptionMatches(PyExc_OverflowError))
+ PyErr_Clear();
+ else
+ return NULL;
+ }
+ }
+ return build_struct_time(y, m, d, hh, mm, ss, 0);
+}
+
+static PyObject *
+datetimetz_gettimetz(PyDateTime_DateTimeTZ *self)
+{
+ return new_timetz(DATE_GET_HOUR(self),
+ DATE_GET_MINUTE(self),
+ DATE_GET_SECOND(self),
+ DATE_GET_MICROSECOND(self),
+ self->tzinfo);
+}
+
+/*
+ * Pickle support. Quite a maze!
+ */
+
+/* Let basestate be the state string returned by datetime_getstate.
+ * If tzinfo is None, this returns (basestate,), else (basestate, tzinfo).
+ * So it's a tuple in any (non-error) case.
+ */
+static PyObject *
+datetimetz_getstate(PyDateTime_DateTimeTZ *self)
+{
+ PyObject *basestate;
+ PyObject *result = NULL;
+
+ basestate = datetime_getstate((PyDateTime_DateTime *)self);
+ if (basestate != NULL) {
+ if (self->tzinfo == Py_None)
+ result = Py_BuildValue("(O)", basestate);
+ else
+ result = Py_BuildValue("OO", basestate, self->tzinfo);
+ Py_DECREF(basestate);
+ }
+ return result;
+}
+
+static PyObject *
+datetimetz_setstate(PyDateTime_DateTimeTZ *self, PyObject *state)
+{
+ PyObject *temp;
+ PyObject *basestate;
+ PyObject *tzinfo = Py_None;
+
+ if (! PyArg_ParseTuple(state, "O!|O:__setstate__",
+ &PyString_Type, &basestate,
+ &tzinfo))
+ return NULL;
+ temp = datetime_setstate((PyDateTime_DateTime *)self, basestate);
+ if (temp == NULL)
+ return NULL;
+ Py_DECREF(temp);
+
+ Py_INCREF(tzinfo);
+ Py_XDECREF(self->tzinfo);
+ self->tzinfo = tzinfo;
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static PyObject *
+datetimetz_pickler(PyObject *module, PyDateTime_DateTimeTZ *datetimetz)
+{
+ PyObject *state;
+ PyObject *result = NULL;
+
+ if (! PyDateTimeTZ_CheckExact(datetimetz)) {
+ PyErr_Format(PyExc_TypeError,
+ "bad type passed to datetimetz pickler: %s",
+ datetimetz->ob_type->tp_name);
+ return NULL;
+ }
+ state = datetimetz_getstate(datetimetz);
+ if (state) {
+ result = Py_BuildValue("O(O)",
+ datetimetz_unpickler_object,
+ state);
+ Py_DECREF(state);
+ }
+ return result;
+}
+
+static PyObject *
+datetimetz_unpickler(PyObject *module, PyObject *arg)
+{
+ PyDateTime_DateTimeTZ *self;
+
+ self = PyObject_New(PyDateTime_DateTimeTZ, &PyDateTime_DateTimeTZType);
+ if (self != NULL) {
+ PyObject *res;
+
+ self->tzinfo = NULL;
+ res = datetimetz_setstate(self, arg);
+ if (res == NULL) {
+ Py_DECREF(self);
+ return NULL;
+ }
+ Py_DECREF(res);
+ }
+ return (PyObject *)self;
+}
+
+
+static PyMethodDef datetimetz_methods[] = {
+ /* Class methods: */
+ /* Inherited: combine(), utcnow(), utcfromtimestamp() */
+
+ {"now", (PyCFunction)datetimetz_now,
+ METH_KEYWORDS | METH_CLASS,
+ PyDoc_STR("[tzinfo] -> new datetimetz with local day and time.")},
+
+ {"fromtimestamp", (PyCFunction)datetimetz_fromtimestamp,
+ METH_KEYWORDS | METH_CLASS,
+ PyDoc_STR("timestamp[, tzinfo] -> local time from POSIX timestamp.")},
+
+ /* Instance methods: */
+ /* Inherited: date(), time(), ctime(). */
+ {"timetuple", (PyCFunction)datetimetz_timetuple, METH_NOARGS,
+ PyDoc_STR("Return time tuple, compatible with time.localtime().")},
+
+ {"utctimetuple", (PyCFunction)datetimetz_utctimetuple, METH_NOARGS,
+ PyDoc_STR("Return UTC time tuple, compatible with time.localtime().")},
+
+ {"timetz", (PyCFunction)datetimetz_gettimetz, METH_NOARGS,
+ PyDoc_STR("Return timetz object with same hour, minute, second, "
+ "microsecond, and tzinfo.")},
+
+ {"isoformat", (PyCFunction)datetimetz_isoformat, METH_KEYWORDS,
+ PyDoc_STR("[sep] -> string in ISO 8601 format, "
+ "YYYY-MM-DDTHH:MM:SS[.mmmmmm][+HH:MM].\n\n"
+ "sep is used to separate the year from the time, and "
+ "defaults to 'T'.")},
+
+ {"utcoffset", (PyCFunction)datetimetz_utcoffset, METH_NOARGS,
+ PyDoc_STR("Return self.tzinfo.utcoffset(self).")},
+
+ {"tzname", (PyCFunction)datetimetz_tzname, METH_NOARGS,
+ PyDoc_STR("Return self.tzinfo.tzname(self).")},
+
+ {"dst", (PyCFunction)datetimetz_dst, METH_NOARGS,
+ PyDoc_STR("Return self.tzinfo.dst(self).")},
+
+ {"__setstate__", (PyCFunction)datetimetz_setstate, METH_O,
+ PyDoc_STR("__setstate__(state)")},
+
+ {"__getstate__", (PyCFunction)datetimetz_getstate, METH_NOARGS,
+ PyDoc_STR("__getstate__() -> state")},
+ {NULL, NULL}
+};
+
+static char datetimetz_doc[] =
+PyDoc_STR("date/time type.");
+
+static PyNumberMethods datetimetz_as_number = {
+ datetimetz_add, /* nb_add */
+ datetimetz_subtract, /* nb_subtract */
+ 0, /* nb_multiply */
+ 0, /* nb_divide */
+ 0, /* nb_remainder */
+ 0, /* nb_divmod */
+ 0, /* nb_power */
+ 0, /* nb_negative */
+ 0, /* nb_positive */
+ 0, /* nb_absolute */
+ 0, /* nb_nonzero */
+};
+
+statichere PyTypeObject PyDateTime_DateTimeTZType = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* ob_size */
+ "datetime.datetimetz", /* tp_name */
+ sizeof(PyDateTime_DateTimeTZ), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ (destructor)datetimetz_dealloc, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ (reprfunc)datetimetz_repr, /* tp_repr */
+ &datetimetz_as_number, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ 0, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_CHECKTYPES |
+ Py_TPFLAGS_BASETYPE, /* tp_flags */
+ datetimetz_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ datetimetz_methods, /* tp_methods */
+ 0, /* tp_members */
+ datetimetz_getset, /* tp_getset */
+ &PyDateTime_DateTimeType, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ 0, /* tp_alloc */
+ datetimetz_new, /* tp_new */
+ _PyObject_Del, /* tp_free */
+};
+
+/* ---------------------------------------------------------------------------
+ * Module methods and initialization.
+ */
+
+static PyMethodDef module_methods[] = {
+ /* Private functions for pickling support, registered with the
+ * copy_reg module by the module init function.
+ */
+ {"_date_pickler", (PyCFunction)date_pickler, METH_O, NULL},
+ {"_date_unpickler", (PyCFunction)date_unpickler, METH_O, NULL},
+ {"_datetime_pickler", (PyCFunction)datetime_pickler, METH_O, NULL},
+ {"_datetime_unpickler", (PyCFunction)datetime_unpickler,METH_O, NULL},
+ {"_datetimetz_pickler", (PyCFunction)datetimetz_pickler,METH_O, NULL},
+ {"_datetimetz_unpickler",(PyCFunction)datetimetz_unpickler,METH_O, NULL},
+ {"_time_pickler", (PyCFunction)time_pickler, METH_O, NULL},
+ {"_time_unpickler", (PyCFunction)time_unpickler, METH_O, NULL},
+ {"_timetz_pickler", (PyCFunction)timetz_pickler, METH_O, NULL},
+ {"_timetz_unpickler", (PyCFunction)timetz_unpickler, METH_O, NULL},
+ {"_tzinfo_pickler", (PyCFunction)tzinfo_pickler, METH_O, NULL},
+ {"_tzinfo_unpickler", (PyCFunction)tzinfo_unpickler, METH_NOARGS,
+ NULL},
+ {NULL, NULL}
+};
+
+PyMODINIT_FUNC
+initdatetime(void)
+{
+ PyObject *m; /* a module object */
+ PyObject *d; /* its dict */
+ PyObject *x;
+
+ /* Types that use __reduce__ for pickling need to set the following
+ * magical attr in the type dict, with a true value.
+ */
+ PyObject *safepickle = PyString_FromString("__safe_for_unpickling__");
+ if (safepickle == NULL)
+ return;
+
+ m = Py_InitModule3("datetime", module_methods,
+ "Fast implementation of the datetime type.");
+
+ if (PyType_Ready(&PyDateTime_DateType) < 0)
+ return;
+ if (PyType_Ready(&PyDateTime_DateTimeType) < 0)
+ return;
+ if (PyType_Ready(&PyDateTime_DeltaType) < 0)
+ return;
+ if (PyType_Ready(&PyDateTime_TimeType) < 0)
+ return;
+ if (PyType_Ready(&PyDateTime_TZInfoType) < 0)
+ return;
+ if (PyType_Ready(&PyDateTime_TimeTZType) < 0)
+ return;
+ if (PyType_Ready(&PyDateTime_DateTimeTZType) < 0)
+ return;
+
+ /* Pickling support, via registering functions with copy_reg. */
+ {
+ PyObject *pickler;
+ PyObject *copyreg = PyImport_ImportModule("copy_reg");
+
+ if (copyreg == NULL) return;
+
+ pickler = PyObject_GetAttrString(m, "_date_pickler");
+ if (pickler == NULL) return;
+ date_unpickler_object = PyObject_GetAttrString(m,
+ "_date_unpickler");
+ if (date_unpickler_object == NULL) return;
+ x = PyObject_CallMethod(copyreg, "pickle", "OOO",
+ &PyDateTime_DateType,
+ pickler,
+ date_unpickler_object);
+ if (x == NULL) return;
+ Py_DECREF(x);
+ Py_DECREF(pickler);
+
+ pickler = PyObject_GetAttrString(m, "_datetime_pickler");
+ if (pickler == NULL) return;
+ datetime_unpickler_object = PyObject_GetAttrString(m,
+ "_datetime_unpickler");
+ if (datetime_unpickler_object == NULL) return;
+ x = PyObject_CallMethod(copyreg, "pickle", "OOO",
+ &PyDateTime_DateTimeType,
+ pickler,
+ datetime_unpickler_object);
+ if (x == NULL) return;
+ Py_DECREF(x);
+ Py_DECREF(pickler);
+
+ pickler = PyObject_GetAttrString(m, "_time_pickler");
+ if (pickler == NULL) return;
+ time_unpickler_object = PyObject_GetAttrString(m,
+ "_time_unpickler");
+ if (time_unpickler_object == NULL) return;
+ x = PyObject_CallMethod(copyreg, "pickle", "OOO",
+ &PyDateTime_TimeType,
+ pickler,
+ time_unpickler_object);
+ if (x == NULL) return;
+ Py_DECREF(x);
+ Py_DECREF(pickler);
+
+ pickler = PyObject_GetAttrString(m, "_timetz_pickler");
+ if (pickler == NULL) return;
+ timetz_unpickler_object = PyObject_GetAttrString(m,
+ "_timetz_unpickler");
+ if (timetz_unpickler_object == NULL) return;
+ x = PyObject_CallMethod(copyreg, "pickle", "OOO",
+ &PyDateTime_TimeTZType,
+ pickler,
+ timetz_unpickler_object);
+ if (x == NULL) return;
+ Py_DECREF(x);
+ Py_DECREF(pickler);
+
+ pickler = PyObject_GetAttrString(m, "_tzinfo_pickler");
+ if (pickler == NULL) return;
+ tzinfo_unpickler_object = PyObject_GetAttrString(m,
+ "_tzinfo_unpickler");
+ if (tzinfo_unpickler_object == NULL) return;
+ x = PyObject_CallMethod(copyreg, "pickle", "OOO",
+ &PyDateTime_TZInfoType,
+ pickler,
+ tzinfo_unpickler_object);
+ if (x== NULL) return;
+ Py_DECREF(x);
+ Py_DECREF(pickler);
+
+ pickler = PyObject_GetAttrString(m, "_datetimetz_pickler");
+ if (pickler == NULL) return;
+ datetimetz_unpickler_object = PyObject_GetAttrString(m,
+ "_datetimetz_unpickler");
+ if (datetimetz_unpickler_object == NULL) return;
+ x = PyObject_CallMethod(copyreg, "pickle", "OOO",
+ &PyDateTime_DateTimeTZType,
+ pickler,
+ datetimetz_unpickler_object);
+ if (x== NULL) return;
+ Py_DECREF(x);
+ Py_DECREF(pickler);
+
+ Py_DECREF(copyreg);
+ }
+
+ /* timedelta values */
+ d = PyDateTime_DeltaType.tp_dict;
+
+ if (PyDict_SetItem(d, safepickle, Py_True) < 0)
+ return;
+
+ x = new_delta(0, 0, 1, 0);
+ if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_delta(-MAX_DELTA_DAYS, 0, 0, 0);
+ if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_delta(MAX_DELTA_DAYS, 24*3600-1, 1000000-1, 0);
+ if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ /* date values */
+ d = PyDateTime_DateType.tp_dict;
+
+ x = new_date(1, 1, 1);
+ if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_date(MAXYEAR, 12, 31);
+ if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_delta(1, 0, 0, 0);
+ if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ /* datetime values */
+ d = PyDateTime_DateTimeType.tp_dict;
+
+ x = new_datetime(1, 1, 1, 0, 0, 0, 0);
+ if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_datetime(MAXYEAR, 12, 31, 23, 59, 59, 999999);
+ if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_delta(0, 0, 1, 0);
+ if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ /* time values */
+ d = PyDateTime_TimeType.tp_dict;
+
+ x = new_time(0, 0, 0, 0);
+ if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_time(23, 59, 59, 999999);
+ if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_delta(0, 0, 1, 0);
+ if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ /* timetz values */
+ d = PyDateTime_TimeTZType.tp_dict;
+
+ x = new_timetz(0, 0, 0, 0, Py_None);
+ if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_timetz(23, 59, 59, 999999, Py_None);
+ if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_delta(0, 0, 1, 0);
+ if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ /* datetimetz values */
+ d = PyDateTime_DateTimeTZType.tp_dict;
+
+ x = new_datetimetz(1, 1, 1, 0, 0, 0, 0, Py_None);
+ if (x == NULL || PyDict_SetItemString(d, "min", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_datetimetz(MAXYEAR, 12, 31, 23, 59, 59, 999999, Py_None);
+ if (x == NULL || PyDict_SetItemString(d, "max", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ x = new_delta(0, 0, 1, 0);
+ if (x == NULL || PyDict_SetItemString(d, "resolution", x) < 0)
+ return;
+ Py_DECREF(x);
+
+ Py_DECREF(safepickle);
+
+ /* module initialization */
+ PyModule_AddIntConstant(m, "MINYEAR", MINYEAR);
+ PyModule_AddIntConstant(m, "MAXYEAR", MAXYEAR);
+
+ Py_INCREF(&PyDateTime_DateType);
+ PyModule_AddObject(m, "date", (PyObject *) &PyDateTime_DateType);
+
+ Py_INCREF(&PyDateTime_DateTimeType);
+ PyModule_AddObject(m, "datetime",
+ (PyObject *) &PyDateTime_DateTimeType);
+
+ Py_INCREF(&PyDateTime_DeltaType);
+ PyModule_AddObject(m, "timedelta", (PyObject *) &PyDateTime_DeltaType);
+
+ Py_INCREF(&PyDateTime_TimeType);
+ PyModule_AddObject(m, "time", (PyObject *) &PyDateTime_TimeType);
+
+ Py_INCREF(&PyDateTime_TZInfoType);
+ PyModule_AddObject(m, "tzinfo", (PyObject *) &PyDateTime_TZInfoType);
+
+ Py_INCREF(&PyDateTime_TimeTZType);
+ PyModule_AddObject(m, "timetz", (PyObject *) &PyDateTime_TimeTZType);
+
+ Py_INCREF(&PyDateTime_DateTimeTZType);
+ PyModule_AddObject(m, "datetimetz",
+ (PyObject *)&PyDateTime_DateTimeTZType);
+
+ /* A 4-year cycle has an extra leap day over what we'd get from
+ * pasting together 4 single years.
+ */
+ assert(DI4Y == 4 * 365 + 1);
+ assert(DI4Y == days_before_year(4+1));
+
+ /* Similarly, a 400-year cycle has an extra leap day over what we'd
+ * get from pasting together 4 100-year cycles.
+ */
+ assert(DI400Y == 4 * DI100Y + 1);
+ assert(DI400Y == days_before_year(400+1));
+
+ /* OTOH, a 100-year cycle has one fewer leap day than we'd get from
+ * pasting together 25 4-year cycles.
+ */
+ assert(DI100Y == 25 * DI4Y - 1);
+ assert(DI100Y == days_before_year(100+1));
+
+ us_per_us = PyInt_FromLong(1);
+ us_per_ms = PyInt_FromLong(1000);
+ us_per_second = PyInt_FromLong(1000000);
+ us_per_minute = PyInt_FromLong(60000000);
+ seconds_per_day = PyInt_FromLong(24 * 3600);
+ if (us_per_us == NULL || us_per_ms == NULL || us_per_second == NULL ||
+ us_per_minute == NULL || seconds_per_day == NULL)
+ return;
+
+ /* The rest are too big for 32-bit ints, but even
+ * us_per_week fits in 40 bits, so doubles should be exact.
+ */
+ us_per_hour = PyLong_FromDouble(3600000000.0);
+ us_per_day = PyLong_FromDouble(86400000000.0);
+ us_per_week = PyLong_FromDouble(604800000000.0);
+ if (us_per_hour == NULL || us_per_day == NULL || us_per_week == NULL)
+ return;
+}