Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 2 | /* Time module */ |
| 3 | |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 4 | #include "Python.h" |
Guido van Rossum | 98bf58f | 2001-10-18 20:34:25 +0000 | [diff] [blame] | 5 | #include "structseq.h" |
Tim Peters | 1b6f7a9 | 2004-06-20 02:50:16 +0000 | [diff] [blame^] | 6 | #include "timefuncs.h" |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 7 | |
Guido van Rossum | 87ce7bb | 1998-06-09 16:30:31 +0000 | [diff] [blame] | 8 | #include <ctype.h> |
| 9 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 10 | #include <sys/types.h> |
Guido van Rossum | 6d946f9 | 1992-08-14 13:49:30 +0000 | [diff] [blame] | 11 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 12 | #ifdef QUICKWIN |
| 13 | #include <io.h> |
| 14 | #endif |
| 15 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 16 | #ifdef HAVE_FTIME |
| 17 | #include <sys/timeb.h> |
Guido van Rossum | 8e9ebfd | 1997-11-22 21:53:48 +0000 | [diff] [blame] | 18 | #if !defined(MS_WINDOWS) && !defined(PYOS_OS2) |
Thomas Wouters | bd4bc4e | 2000-07-22 23:57:55 +0000 | [diff] [blame] | 19 | extern int ftime(struct timeb *); |
Guido van Rossum | 5217457 | 1996-12-09 18:38:52 +0000 | [diff] [blame] | 20 | #endif /* MS_WINDOWS */ |
| 21 | #endif /* HAVE_FTIME */ |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 22 | |
Guido van Rossum | 7bf22de | 1997-12-02 20:34:19 +0000 | [diff] [blame] | 23 | #if defined(__WATCOMC__) && !defined(__QNX__) |
Guido van Rossum | bceeac8 | 1996-05-23 22:53:47 +0000 | [diff] [blame] | 24 | #include <i86.h> |
| 25 | #else |
Guido van Rossum | cac6c72 | 1996-09-06 13:34:02 +0000 | [diff] [blame] | 26 | #ifdef MS_WINDOWS |
Mark Hammond | 975e392 | 2002-07-16 01:29:19 +0000 | [diff] [blame] | 27 | #define WIN32_LEAN_AND_MEAN |
Guido van Rossum | 258ccd4 | 2001-03-02 06:53:29 +0000 | [diff] [blame] | 28 | #include <windows.h> |
Mark Hammond | 975e392 | 2002-07-16 01:29:19 +0000 | [diff] [blame] | 29 | #include "pythread.h" |
| 30 | |
| 31 | /* helper to allow us to interrupt sleep() on Windows*/ |
| 32 | static HANDLE hInterruptEvent = NULL; |
| 33 | static BOOL WINAPI PyCtrlHandler(DWORD dwCtrlType) |
| 34 | { |
| 35 | SetEvent(hInterruptEvent); |
| 36 | /* allow other default handlers to be called. |
| 37 | Default Python handler will setup the |
| 38 | KeyboardInterrupt exception. |
| 39 | */ |
| 40 | return FALSE; |
| 41 | } |
| 42 | static long main_thread; |
| 43 | |
| 44 | |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 45 | #if defined(__BORLANDC__) |
Guido van Rossum | b2fb364 | 1996-09-07 00:47:35 +0000 | [diff] [blame] | 46 | /* These overrides not needed for Win32 */ |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 47 | #define timezone _timezone |
Guido van Rossum | cc08112 | 1995-03-14 15:05:41 +0000 | [diff] [blame] | 48 | #define tzname _tzname |
| 49 | #define daylight _daylight |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 50 | #endif /* __BORLANDC__ */ |
Guido van Rossum | cac6c72 | 1996-09-06 13:34:02 +0000 | [diff] [blame] | 51 | #endif /* MS_WINDOWS */ |
Guido van Rossum | 7bf22de | 1997-12-02 20:34:19 +0000 | [diff] [blame] | 52 | #endif /* !__WATCOMC__ || __QNX__ */ |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 53 | |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 54 | #if defined(MS_WINDOWS) && !defined(MS_WIN64) && !defined(__BORLANDC__) |
Fred Drake | dfb4ebd | 2000-06-29 20:56:28 +0000 | [diff] [blame] | 55 | /* Win32 has better clock replacement |
| 56 | XXX Win64 does not yet, but might when the platform matures. */ |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 57 | #undef HAVE_CLOCK /* We have our own version down below */ |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 58 | #endif /* MS_WINDOWS && !MS_WIN64 */ |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 59 | |
Andrew MacIntyre | 7bf6833 | 2002-03-03 02:59:16 +0000 | [diff] [blame] | 60 | #if defined(PYOS_OS2) |
| 61 | #define INCL_DOS |
| 62 | #define INCL_ERRORS |
| 63 | #include <os2.h> |
| 64 | #endif |
| 65 | |
Guido van Rossum | 8e9ebfd | 1997-11-22 21:53:48 +0000 | [diff] [blame] | 66 | #if defined(PYCC_VACPP) |
Guido van Rossum | 2645241 | 1998-09-28 22:07:11 +0000 | [diff] [blame] | 67 | #include <sys/time.h> |
Guido van Rossum | 8e9ebfd | 1997-11-22 21:53:48 +0000 | [diff] [blame] | 68 | #endif |
| 69 | |
Guido van Rossum | bcc2074 | 1998-08-04 22:53:56 +0000 | [diff] [blame] | 70 | #ifdef __BEOS__ |
Fred Drake | 56221a7 | 2000-08-15 18:52:33 +0000 | [diff] [blame] | 71 | #include <time.h> |
Guido van Rossum | bcc2074 | 1998-08-04 22:53:56 +0000 | [diff] [blame] | 72 | /* For bigtime_t, snooze(). - [cjh] */ |
| 73 | #include <support/SupportDefs.h> |
| 74 | #include <kernel/OS.h> |
| 75 | #endif |
| 76 | |
Martin v. Löwis | a94568a | 2003-05-10 07:36:56 +0000 | [diff] [blame] | 77 | #ifdef RISCOS |
| 78 | extern int riscos_sleep(double); |
| 79 | #endif |
| 80 | |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 81 | /* Forward declarations */ |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 82 | static int floatsleep(double); |
Thomas Wouters | ed77bac | 2000-07-24 15:26:39 +0000 | [diff] [blame] | 83 | static double floattime(void); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 84 | |
Guido van Rossum | cfbaecc | 1998-08-25 14:51:12 +0000 | [diff] [blame] | 85 | /* For Y2K check */ |
| 86 | static PyObject *moddict; |
| 87 | |
Tim Peters | 1b6f7a9 | 2004-06-20 02:50:16 +0000 | [diff] [blame^] | 88 | /* Exposed in timefuncs.h. */ |
| 89 | time_t |
Brett Cannon | 298c380 | 2004-06-19 20:48:43 +0000 | [diff] [blame] | 90 | _PyTime_DoubleToTimet(double x) |
| 91 | { |
| 92 | time_t result; |
| 93 | double diff; |
| 94 | |
| 95 | result = (time_t)x; |
| 96 | /* How much info did we lose? time_t may be an integral or |
| 97 | * floating type, and we don't know which. If it's integral, |
| 98 | * we don't know whether C truncates, rounds, returns the floor, |
| 99 | * etc. If we lost a second or more, the C rounding is |
| 100 | * unreasonable, or the input just doesn't fit in a time_t; |
| 101 | * call it an error regardless. Note that the original cast to |
| 102 | * time_t can cause a C error too, but nothing we can do to |
| 103 | * worm around that. |
| 104 | */ |
| 105 | diff = x - (double)result; |
| 106 | if (diff <= -1.0 || diff >= 1.0) { |
| 107 | PyErr_SetString(PyExc_ValueError, |
| 108 | "timestamp out of range for platform time_t"); |
| 109 | result = (time_t)-1; |
| 110 | } |
| 111 | return result; |
| 112 | } |
| 113 | |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 114 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 115 | time_time(PyObject *self, PyObject *args) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 116 | { |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 117 | double secs; |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 118 | if (!PyArg_ParseTuple(args, ":time")) |
Guido van Rossum | a2b7f40 | 1993-01-04 09:09:59 +0000 | [diff] [blame] | 119 | return NULL; |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 120 | secs = floattime(); |
| 121 | if (secs == 0.0) { |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 122 | PyErr_SetFromErrno(PyExc_IOError); |
Guido van Rossum | a2b7f40 | 1993-01-04 09:09:59 +0000 | [diff] [blame] | 123 | return NULL; |
| 124 | } |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 125 | return PyFloat_FromDouble(secs); |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 126 | } |
| 127 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 128 | PyDoc_STRVAR(time_doc, |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 129 | "time() -> floating point number\n\ |
| 130 | \n\ |
| 131 | Return the current time in seconds since the Epoch.\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 132 | Fractions of a second may be present if the system clock provides them."); |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 133 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 134 | #ifdef HAVE_CLOCK |
| 135 | |
| 136 | #ifndef CLOCKS_PER_SEC |
Guido van Rossum | 1b66a4f | 1996-02-25 04:50:33 +0000 | [diff] [blame] | 137 | #ifdef CLK_TCK |
| 138 | #define CLOCKS_PER_SEC CLK_TCK |
| 139 | #else |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 140 | #define CLOCKS_PER_SEC 1000000 |
| 141 | #endif |
Guido van Rossum | 1b66a4f | 1996-02-25 04:50:33 +0000 | [diff] [blame] | 142 | #endif |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 143 | |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 144 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 145 | time_clock(PyObject *self, PyObject *args) |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 146 | { |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 147 | if (!PyArg_ParseTuple(args, ":clock")) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 148 | return NULL; |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 149 | return PyFloat_FromDouble(((double)clock()) / CLOCKS_PER_SEC); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 150 | } |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 151 | #endif /* HAVE_CLOCK */ |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 152 | |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 153 | #if defined(MS_WINDOWS) && !defined(MS_WIN64) && !defined(__BORLANDC__) |
Mark Hammond | 7ba5e81 | 2002-02-12 04:02:33 +0000 | [diff] [blame] | 154 | /* Due to Mark Hammond and Tim Peters */ |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 155 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 156 | time_clock(PyObject *self, PyObject *args) |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 157 | { |
Tim Peters | 9ad4b68 | 2002-02-13 05:14:18 +0000 | [diff] [blame] | 158 | static LARGE_INTEGER ctrStart; |
Mark Hammond | 7ba5e81 | 2002-02-12 04:02:33 +0000 | [diff] [blame] | 159 | static double divisor = 0.0; |
Tim Peters | 9ad4b68 | 2002-02-13 05:14:18 +0000 | [diff] [blame] | 160 | LARGE_INTEGER now; |
Mark Hammond | 7ba5e81 | 2002-02-12 04:02:33 +0000 | [diff] [blame] | 161 | double diff; |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 162 | |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 163 | if (!PyArg_ParseTuple(args, ":clock")) |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 164 | return NULL; |
| 165 | |
Mark Hammond | 7ba5e81 | 2002-02-12 04:02:33 +0000 | [diff] [blame] | 166 | if (divisor == 0.0) { |
Tim Peters | 9ad4b68 | 2002-02-13 05:14:18 +0000 | [diff] [blame] | 167 | LARGE_INTEGER freq; |
| 168 | QueryPerformanceCounter(&ctrStart); |
| 169 | if (!QueryPerformanceFrequency(&freq) || freq.QuadPart == 0) { |
Mark Hammond | 7ba5e81 | 2002-02-12 04:02:33 +0000 | [diff] [blame] | 170 | /* Unlikely to happen - this works on all intel |
| 171 | machines at least! Revert to clock() */ |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 172 | return PyFloat_FromDouble(clock()); |
| 173 | } |
Tim Peters | 9ad4b68 | 2002-02-13 05:14:18 +0000 | [diff] [blame] | 174 | divisor = (double)freq.QuadPart; |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 175 | } |
Tim Peters | 9ad4b68 | 2002-02-13 05:14:18 +0000 | [diff] [blame] | 176 | QueryPerformanceCounter(&now); |
| 177 | diff = (double)(now.QuadPart - ctrStart.QuadPart); |
Mark Hammond | 7ba5e81 | 2002-02-12 04:02:33 +0000 | [diff] [blame] | 178 | return PyFloat_FromDouble(diff / divisor); |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 179 | } |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 180 | |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 181 | #define HAVE_CLOCK /* So it gets included in the methods */ |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 182 | #endif /* MS_WINDOWS && !MS_WIN64 */ |
Guido van Rossum | 3917c22 | 1997-04-02 05:35:28 +0000 | [diff] [blame] | 183 | |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 184 | #ifdef HAVE_CLOCK |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 185 | PyDoc_STRVAR(clock_doc, |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 186 | "clock() -> floating point number\n\ |
| 187 | \n\ |
| 188 | Return the CPU time or real time since the start of the process or since\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 189 | the first call to clock(). This has as much precision as the system\n\ |
| 190 | records."); |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 191 | #endif |
| 192 | |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 193 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 194 | time_sleep(PyObject *self, PyObject *args) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 195 | { |
Guido van Rossum | 775f4da | 1993-01-09 17:18:52 +0000 | [diff] [blame] | 196 | double secs; |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 197 | if (!PyArg_ParseTuple(args, "d:sleep", &secs)) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 198 | return NULL; |
Guido van Rossum | 8607ae2 | 1997-11-03 22:04:46 +0000 | [diff] [blame] | 199 | if (floatsleep(secs) != 0) |
| 200 | return NULL; |
| 201 | Py_INCREF(Py_None); |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 202 | return Py_None; |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 203 | } |
| 204 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 205 | PyDoc_STRVAR(sleep_doc, |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 206 | "sleep(seconds)\n\ |
| 207 | \n\ |
| 208 | Delay execution for a given number of seconds. The argument may be\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 209 | a floating point number for subsecond precision."); |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 210 | |
Guido van Rossum | 98bf58f | 2001-10-18 20:34:25 +0000 | [diff] [blame] | 211 | static PyStructSequence_Field struct_time_type_fields[] = { |
| 212 | {"tm_year", NULL}, |
| 213 | {"tm_mon", NULL}, |
| 214 | {"tm_mday", NULL}, |
| 215 | {"tm_hour", NULL}, |
| 216 | {"tm_min", NULL}, |
| 217 | {"tm_sec", NULL}, |
| 218 | {"tm_wday", NULL}, |
| 219 | {"tm_yday", NULL}, |
| 220 | {"tm_isdst", NULL}, |
| 221 | {0} |
| 222 | }; |
| 223 | |
| 224 | static PyStructSequence_Desc struct_time_type_desc = { |
Guido van Rossum | 1464839 | 2001-12-08 18:02:58 +0000 | [diff] [blame] | 225 | "time.struct_time", |
Guido van Rossum | 98bf58f | 2001-10-18 20:34:25 +0000 | [diff] [blame] | 226 | NULL, |
| 227 | struct_time_type_fields, |
| 228 | 9, |
| 229 | }; |
Tim Peters | 9ad4b68 | 2002-02-13 05:14:18 +0000 | [diff] [blame] | 230 | |
Guido van Rossum | 98bf58f | 2001-10-18 20:34:25 +0000 | [diff] [blame] | 231 | static PyTypeObject StructTimeType; |
| 232 | |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 233 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 234 | tmtotuple(struct tm *p) |
Guido van Rossum | 87ce7bb | 1998-06-09 16:30:31 +0000 | [diff] [blame] | 235 | { |
Guido van Rossum | 98bf58f | 2001-10-18 20:34:25 +0000 | [diff] [blame] | 236 | PyObject *v = PyStructSequence_New(&StructTimeType); |
| 237 | if (v == NULL) |
| 238 | return NULL; |
Tim Peters | 9ad4b68 | 2002-02-13 05:14:18 +0000 | [diff] [blame] | 239 | |
Guido van Rossum | 98bf58f | 2001-10-18 20:34:25 +0000 | [diff] [blame] | 240 | #define SET(i,val) PyStructSequence_SET_ITEM(v, i, PyInt_FromLong((long) val)) |
| 241 | |
| 242 | SET(0, p->tm_year + 1900); |
| 243 | SET(1, p->tm_mon + 1); /* Want January == 1 */ |
| 244 | SET(2, p->tm_mday); |
| 245 | SET(3, p->tm_hour); |
| 246 | SET(4, p->tm_min); |
| 247 | SET(5, p->tm_sec); |
| 248 | SET(6, (p->tm_wday + 6) % 7); /* Want Monday == 0 */ |
| 249 | SET(7, p->tm_yday + 1); /* Want January, 1 == 1 */ |
| 250 | SET(8, p->tm_isdst); |
| 251 | #undef SET |
| 252 | if (PyErr_Occurred()) { |
| 253 | Py_XDECREF(v); |
| 254 | return NULL; |
| 255 | } |
| 256 | |
| 257 | return v; |
Guido van Rossum | 87ce7bb | 1998-06-09 16:30:31 +0000 | [diff] [blame] | 258 | } |
| 259 | |
| 260 | static PyObject * |
Brett Cannon | 298c380 | 2004-06-19 20:48:43 +0000 | [diff] [blame] | 261 | time_convert(double when, struct tm * (*function)(const time_t *)) |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 262 | { |
Guido van Rossum | 6e8583d | 1996-10-08 14:19:52 +0000 | [diff] [blame] | 263 | struct tm *p; |
Brett Cannon | 298c380 | 2004-06-19 20:48:43 +0000 | [diff] [blame] | 264 | time_t whent = _PyTime_DoubleToTimet(when); |
| 265 | |
| 266 | if (whent == (time_t)-1 && PyErr_Occurred()) |
| 267 | return NULL; |
Guido van Rossum | 6e8583d | 1996-10-08 14:19:52 +0000 | [diff] [blame] | 268 | errno = 0; |
Brett Cannon | 298c380 | 2004-06-19 20:48:43 +0000 | [diff] [blame] | 269 | p = function(&whent); |
Guido van Rossum | 6e8583d | 1996-10-08 14:19:52 +0000 | [diff] [blame] | 270 | if (p == NULL) { |
| 271 | #ifdef EINVAL |
Guido van Rossum | 0b1ff66 | 1996-11-02 17:31:22 +0000 | [diff] [blame] | 272 | if (errno == 0) |
Guido van Rossum | 6e8583d | 1996-10-08 14:19:52 +0000 | [diff] [blame] | 273 | errno = EINVAL; |
| 274 | #endif |
Tim Peters | 8b19a93 | 2003-01-17 20:08:54 +0000 | [diff] [blame] | 275 | return PyErr_SetFromErrno(PyExc_ValueError); |
Guido van Rossum | 6e8583d | 1996-10-08 14:19:52 +0000 | [diff] [blame] | 276 | } |
Guido van Rossum | 87ce7bb | 1998-06-09 16:30:31 +0000 | [diff] [blame] | 277 | return tmtotuple(p); |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 278 | } |
| 279 | |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 280 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 281 | time_gmtime(PyObject *self, PyObject *args) |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 282 | { |
| 283 | double when; |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 284 | if (PyTuple_Size(args) == 0) |
| 285 | when = floattime(); |
| 286 | if (!PyArg_ParseTuple(args, "|d:gmtime", &when)) |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 287 | return NULL; |
Brett Cannon | 298c380 | 2004-06-19 20:48:43 +0000 | [diff] [blame] | 288 | return time_convert(when, gmtime); |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 289 | } |
| 290 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 291 | PyDoc_STRVAR(gmtime_doc, |
Fred Drake | 193a3f6 | 2002-03-12 21:38:49 +0000 | [diff] [blame] | 292 | "gmtime([seconds]) -> (tm_year, tm_mon, tm_day, tm_hour, tm_min,\n\ |
| 293 | tm_sec, tm_wday, tm_yday, tm_isdst)\n\ |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 294 | \n\ |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 295 | Convert seconds since the Epoch to a time tuple expressing UTC (a.k.a.\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 296 | GMT). When 'seconds' is not passed in, convert the current time instead."); |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 297 | |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 298 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 299 | time_localtime(PyObject *self, PyObject *args) |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 300 | { |
| 301 | double when; |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 302 | if (PyTuple_Size(args) == 0) |
| 303 | when = floattime(); |
| 304 | if (!PyArg_ParseTuple(args, "|d:localtime", &when)) |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 305 | return NULL; |
Brett Cannon | 298c380 | 2004-06-19 20:48:43 +0000 | [diff] [blame] | 306 | return time_convert(when, localtime); |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 307 | } |
| 308 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 309 | PyDoc_STRVAR(localtime_doc, |
Fred Drake | 193a3f6 | 2002-03-12 21:38:49 +0000 | [diff] [blame] | 310 | "localtime([seconds]) -> (tm_year,tm_mon,tm_day,tm_hour,tm_min,tm_sec,tm_wday,tm_yday,tm_isdst)\n\ |
Martin v. Löwis | b3cfc1d | 2001-12-02 12:27:43 +0000 | [diff] [blame] | 311 | \n\ |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 312 | Convert seconds since the Epoch to a time tuple expressing local time.\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 313 | When 'seconds' is not passed in, convert the current time instead."); |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 314 | |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 315 | static int |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 316 | gettmarg(PyObject *args, struct tm *p) |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 317 | { |
Guido van Rossum | cfbaecc | 1998-08-25 14:51:12 +0000 | [diff] [blame] | 318 | int y; |
Thomas Wouters | 334fb89 | 2000-07-25 12:56:38 +0000 | [diff] [blame] | 319 | memset((void *) p, '\0', sizeof(struct tm)); |
Guido van Rossum | cfbaecc | 1998-08-25 14:51:12 +0000 | [diff] [blame] | 320 | |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 321 | if (!PyArg_Parse(args, "(iiiiiiiii)", |
Guido van Rossum | cfbaecc | 1998-08-25 14:51:12 +0000 | [diff] [blame] | 322 | &y, |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 323 | &p->tm_mon, |
| 324 | &p->tm_mday, |
| 325 | &p->tm_hour, |
| 326 | &p->tm_min, |
| 327 | &p->tm_sec, |
| 328 | &p->tm_wday, |
| 329 | &p->tm_yday, |
| 330 | &p->tm_isdst)) |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 331 | return 0; |
Guido van Rossum | cfbaecc | 1998-08-25 14:51:12 +0000 | [diff] [blame] | 332 | if (y < 1900) { |
| 333 | PyObject *accept = PyDict_GetItemString(moddict, |
| 334 | "accept2dyear"); |
| 335 | if (accept == NULL || !PyInt_Check(accept) || |
| 336 | PyInt_AsLong(accept) == 0) { |
| 337 | PyErr_SetString(PyExc_ValueError, |
| 338 | "year >= 1900 required"); |
| 339 | return 0; |
| 340 | } |
| 341 | if (69 <= y && y <= 99) |
| 342 | y += 1900; |
| 343 | else if (0 <= y && y <= 68) |
| 344 | y += 2000; |
| 345 | else { |
| 346 | PyErr_SetString(PyExc_ValueError, |
Skip Montanaro | 1a10aac | 2001-08-22 12:39:16 +0000 | [diff] [blame] | 347 | "year out of range"); |
Guido van Rossum | cfbaecc | 1998-08-25 14:51:12 +0000 | [diff] [blame] | 348 | return 0; |
| 349 | } |
| 350 | } |
| 351 | p->tm_year = y - 1900; |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 352 | p->tm_mon--; |
| 353 | p->tm_wday = (p->tm_wday + 1) % 7; |
| 354 | p->tm_yday--; |
| 355 | return 1; |
| 356 | } |
| 357 | |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 358 | #ifdef HAVE_STRFTIME |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 359 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 360 | time_strftime(PyObject *self, PyObject *args) |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 361 | { |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 362 | PyObject *tup = NULL; |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 363 | struct tm buf; |
| 364 | const char *fmt; |
Guido van Rossum | fa48116 | 2000-06-28 21:33:59 +0000 | [diff] [blame] | 365 | size_t fmtlen, buflen; |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 366 | char *outbuf = 0; |
Guido van Rossum | fa48116 | 2000-06-28 21:33:59 +0000 | [diff] [blame] | 367 | size_t i; |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 368 | |
Thomas Wouters | 334fb89 | 2000-07-25 12:56:38 +0000 | [diff] [blame] | 369 | memset((void *) &buf, '\0', sizeof(buf)); |
Guido van Rossum | 1f41f84 | 1998-04-27 19:04:26 +0000 | [diff] [blame] | 370 | |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 371 | if (!PyArg_ParseTuple(args, "s|O:strftime", &fmt, &tup)) |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 372 | return NULL; |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 373 | |
| 374 | if (tup == NULL) { |
| 375 | time_t tt = time(NULL); |
| 376 | buf = *localtime(&tt); |
| 377 | } else if (!gettmarg(tup, &buf)) |
| 378 | return NULL; |
Guido van Rossum | 10b164a | 2001-09-25 13:59:01 +0000 | [diff] [blame] | 379 | |
Brett Cannon | d1080a3 | 2004-03-02 04:38:10 +0000 | [diff] [blame] | 380 | /* Checks added to make sure strftime() does not crash Python by |
| 381 | indexing blindly into some array for a textual representation |
| 382 | by some bad index (fixes bug #897625). |
Tim Peters | 1b6f7a9 | 2004-06-20 02:50:16 +0000 | [diff] [blame^] | 383 | |
Brett Cannon | d1080a3 | 2004-03-02 04:38:10 +0000 | [diff] [blame] | 384 | No check for year since handled in gettmarg(). |
| 385 | */ |
| 386 | if (buf.tm_mon < 0 || buf.tm_mon > 11) { |
| 387 | PyErr_SetString(PyExc_ValueError, "month out of range"); |
| 388 | return NULL; |
| 389 | } |
| 390 | if (buf.tm_mday < 1 || buf.tm_mday > 31) { |
| 391 | PyErr_SetString(PyExc_ValueError, "day of month out of range"); |
| 392 | return NULL; |
| 393 | } |
| 394 | if (buf.tm_hour < 0 || buf.tm_hour > 23) { |
| 395 | PyErr_SetString(PyExc_ValueError, "hour out of range"); |
| 396 | return NULL; |
| 397 | } |
| 398 | if (buf.tm_min < 0 || buf.tm_min > 59) { |
| 399 | PyErr_SetString(PyExc_ValueError, "minute out of range"); |
| 400 | return NULL; |
| 401 | } |
| 402 | if (buf.tm_sec < 0 || buf.tm_sec > 61) { |
| 403 | PyErr_SetString(PyExc_ValueError, "seconds out of range"); |
| 404 | return NULL; |
| 405 | } |
| 406 | /* tm_wday does not need checking of its upper-bound since taking |
| 407 | ``% 7`` in gettmarg() automatically restricts the range. */ |
| 408 | if (buf.tm_wday < 0) { |
| 409 | PyErr_SetString(PyExc_ValueError, "day of week out of range"); |
| 410 | return NULL; |
| 411 | } |
| 412 | if (buf.tm_yday < 0 || buf.tm_yday > 365) { |
| 413 | PyErr_SetString(PyExc_ValueError, "day of year out of range"); |
| 414 | return NULL; |
| 415 | } |
| 416 | if (buf.tm_isdst < -1 || buf.tm_isdst > 1) { |
| 417 | PyErr_SetString(PyExc_ValueError, |
| 418 | "daylight savings flag out of range"); |
| 419 | return NULL; |
| 420 | } |
| 421 | |
Guido van Rossum | c222ec2 | 1999-02-23 00:00:10 +0000 | [diff] [blame] | 422 | fmtlen = strlen(fmt); |
| 423 | |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 424 | /* I hate these functions that presume you know how big the output |
| 425 | * will be ahead of time... |
| 426 | */ |
Guido van Rossum | c222ec2 | 1999-02-23 00:00:10 +0000 | [diff] [blame] | 427 | for (i = 1024; ; i += i) { |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 428 | outbuf = malloc(i); |
| 429 | if (outbuf == NULL) { |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 430 | return PyErr_NoMemory(); |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 431 | } |
Guido van Rossum | c222ec2 | 1999-02-23 00:00:10 +0000 | [diff] [blame] | 432 | buflen = strftime(outbuf, i, fmt, &buf); |
| 433 | if (buflen > 0 || i >= 256 * fmtlen) { |
| 434 | /* If the buffer is 256 times as long as the format, |
| 435 | it's probably not failing for lack of room! |
| 436 | More likely, the format yields an empty result, |
| 437 | e.g. an empty format, or %Z when the timezone |
| 438 | is unknown. */ |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 439 | PyObject *ret; |
Guido van Rossum | c222ec2 | 1999-02-23 00:00:10 +0000 | [diff] [blame] | 440 | ret = PyString_FromStringAndSize(outbuf, buflen); |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 441 | free(outbuf); |
| 442 | return ret; |
| 443 | } |
| 444 | free(outbuf); |
| 445 | } |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 446 | } |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 447 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 448 | PyDoc_STRVAR(strftime_doc, |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 449 | "strftime(format[, tuple]) -> string\n\ |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 450 | \n\ |
| 451 | Convert a time tuple to a string according to a format specification.\n\ |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 452 | See the library reference manual for formatting codes. When the time tuple\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 453 | is not present, current time as returned by localtime() is used."); |
Guido van Rossum | 8d8c1ee | 1995-09-13 17:38:35 +0000 | [diff] [blame] | 454 | #endif /* HAVE_STRFTIME */ |
| 455 | |
Guido van Rossum | d3c46d5 | 2002-07-19 17:06:47 +0000 | [diff] [blame] | 456 | static PyObject * |
| 457 | time_strptime(PyObject *self, PyObject *args) |
| 458 | { |
| 459 | PyObject *strptime_module = PyImport_ImportModule("_strptime"); |
Raymond Hettinger | 502168a | 2003-04-10 16:03:22 +0000 | [diff] [blame] | 460 | PyObject *strptime_result; |
Guido van Rossum | d3c46d5 | 2002-07-19 17:06:47 +0000 | [diff] [blame] | 461 | |
Tim Peters | 513a1cd | 2003-01-19 04:54:58 +0000 | [diff] [blame] | 462 | if (!strptime_module) |
Guido van Rossum | d3c46d5 | 2002-07-19 17:06:47 +0000 | [diff] [blame] | 463 | return NULL; |
Raymond Hettinger | 502168a | 2003-04-10 16:03:22 +0000 | [diff] [blame] | 464 | strptime_result = PyObject_CallMethod(strptime_module, "strptime", "O", args); |
| 465 | Py_DECREF(strptime_module); |
| 466 | return strptime_result; |
Guido van Rossum | d3c46d5 | 2002-07-19 17:06:47 +0000 | [diff] [blame] | 467 | } |
| 468 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 469 | PyDoc_STRVAR(strptime_doc, |
Brett Cannon | 20def8b | 2003-07-01 05:16:08 +0000 | [diff] [blame] | 470 | "strptime(string, format) -> struct_time\n\ |
Martin v. Löwis | b3cfc1d | 2001-12-02 12:27:43 +0000 | [diff] [blame] | 471 | \n\ |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 472 | Parse a string to a time tuple according to a format specification.\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 473 | See the library reference manual for formatting codes (same as strftime())."); |
Guido van Rossum | d3c46d5 | 2002-07-19 17:06:47 +0000 | [diff] [blame] | 474 | |
Guido van Rossum | 87ce7bb | 1998-06-09 16:30:31 +0000 | [diff] [blame] | 475 | |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 476 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 477 | time_asctime(PyObject *self, PyObject *args) |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 478 | { |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 479 | PyObject *tup = NULL; |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 480 | struct tm buf; |
| 481 | char *p; |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 482 | if (!PyArg_ParseTuple(args, "|O:asctime", &tup)) |
Guido van Rossum | b2b42dd | 2000-01-12 16:38:20 +0000 | [diff] [blame] | 483 | return NULL; |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 484 | if (tup == NULL) { |
| 485 | time_t tt = time(NULL); |
| 486 | buf = *localtime(&tt); |
| 487 | } else if (!gettmarg(tup, &buf)) |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 488 | return NULL; |
| 489 | p = asctime(&buf); |
| 490 | if (p[24] == '\n') |
| 491 | p[24] = '\0'; |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 492 | return PyString_FromString(p); |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 493 | } |
| 494 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 495 | PyDoc_STRVAR(asctime_doc, |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 496 | "asctime([tuple]) -> string\n\ |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 497 | \n\ |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 498 | Convert a time tuple to a string, e.g. 'Sat Jun 06 16:26:11 1998'.\n\ |
| 499 | When the time tuple is not present, current time as returned by localtime()\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 500 | is used."); |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 501 | |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 502 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 503 | time_ctime(PyObject *self, PyObject *args) |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 504 | { |
| 505 | double dt; |
| 506 | time_t tt; |
| 507 | char *p; |
Guido van Rossum | 10b164a | 2001-09-25 13:59:01 +0000 | [diff] [blame] | 508 | |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 509 | if (PyTuple_Size(args) == 0) |
| 510 | tt = time(NULL); |
| 511 | else { |
| 512 | if (!PyArg_ParseTuple(args, "|d:ctime", &dt)) |
| 513 | return NULL; |
Brett Cannon | 298c380 | 2004-06-19 20:48:43 +0000 | [diff] [blame] | 514 | tt = _PyTime_DoubleToTimet(dt); |
| 515 | if (tt == (time_t)-1 && PyErr_Occurred()) |
| 516 | return NULL; |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 517 | } |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 518 | p = ctime(&tt); |
Guido van Rossum | 7853570 | 1998-03-03 22:19:10 +0000 | [diff] [blame] | 519 | if (p == NULL) { |
| 520 | PyErr_SetString(PyExc_ValueError, "unconvertible time"); |
| 521 | return NULL; |
| 522 | } |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 523 | if (p[24] == '\n') |
| 524 | p[24] = '\0'; |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 525 | return PyString_FromString(p); |
Guido van Rossum | 9e90a67 | 1993-06-24 11:10:19 +0000 | [diff] [blame] | 526 | } |
| 527 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 528 | PyDoc_STRVAR(ctime_doc, |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 529 | "ctime(seconds) -> string\n\ |
| 530 | \n\ |
| 531 | Convert a time in seconds since the Epoch to a string in local time.\n\ |
Thomas Wouters | fe38525 | 2001-01-19 23:16:56 +0000 | [diff] [blame] | 532 | This is equivalent to asctime(localtime(seconds)). When the time tuple is\n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 533 | not present, current time as returned by localtime() is used."); |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 534 | |
Guido van Rossum | 60cd813 | 1998-03-06 17:16:21 +0000 | [diff] [blame] | 535 | #ifdef HAVE_MKTIME |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 536 | static PyObject * |
Peter Schneider-Kamp | 416d413 | 2000-07-10 12:15:54 +0000 | [diff] [blame] | 537 | time_mktime(PyObject *self, PyObject *args) |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 538 | { |
Guido van Rossum | b2b42dd | 2000-01-12 16:38:20 +0000 | [diff] [blame] | 539 | PyObject *tup; |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 540 | struct tm buf; |
Guido van Rossum | bceeac8 | 1996-05-23 22:53:47 +0000 | [diff] [blame] | 541 | time_t tt; |
Guido van Rossum | 43713e5 | 2000-02-29 13:59:29 +0000 | [diff] [blame] | 542 | if (!PyArg_ParseTuple(args, "O:mktime", &tup)) |
Guido van Rossum | b2b42dd | 2000-01-12 16:38:20 +0000 | [diff] [blame] | 543 | return NULL; |
Guido van Rossum | bceeac8 | 1996-05-23 22:53:47 +0000 | [diff] [blame] | 544 | tt = time(&tt); |
| 545 | buf = *localtime(&tt); |
Guido van Rossum | b2b42dd | 2000-01-12 16:38:20 +0000 | [diff] [blame] | 546 | if (!gettmarg(tup, &buf)) |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 547 | return NULL; |
Guido van Rossum | bceeac8 | 1996-05-23 22:53:47 +0000 | [diff] [blame] | 548 | tt = mktime(&buf); |
| 549 | if (tt == (time_t)(-1)) { |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 550 | PyErr_SetString(PyExc_OverflowError, |
Guido van Rossum | 10b164a | 2001-09-25 13:59:01 +0000 | [diff] [blame] | 551 | "mktime argument out of range"); |
Guido van Rossum | bceeac8 | 1996-05-23 22:53:47 +0000 | [diff] [blame] | 552 | return NULL; |
| 553 | } |
Barry Warsaw | 9a2a8a8 | 1996-12-06 23:32:14 +0000 | [diff] [blame] | 554 | return PyFloat_FromDouble((double)tt); |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 555 | } |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 556 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 557 | PyDoc_STRVAR(mktime_doc, |
Guido van Rossum | 0ef577b | 1998-06-27 20:38:36 +0000 | [diff] [blame] | 558 | "mktime(tuple) -> floating point number\n\ |
| 559 | \n\ |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 560 | Convert a time tuple in local time to seconds since the Epoch."); |
Guido van Rossum | 60cd813 | 1998-03-06 17:16:21 +0000 | [diff] [blame] | 561 | #endif /* HAVE_MKTIME */ |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 562 | |
Guido van Rossum | d11b62e | 2003-03-14 21:51:36 +0000 | [diff] [blame] | 563 | #ifdef HAVE_WORKING_TZSET |
| 564 | void inittimezone(PyObject *module); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 565 | |
Guido van Rossum | d11b62e | 2003-03-14 21:51:36 +0000 | [diff] [blame] | 566 | static PyObject * |
| 567 | time_tzset(PyObject *self, PyObject *args) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 568 | { |
Guido van Rossum | d11b62e | 2003-03-14 21:51:36 +0000 | [diff] [blame] | 569 | PyObject* m; |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 570 | |
Guido van Rossum | d11b62e | 2003-03-14 21:51:36 +0000 | [diff] [blame] | 571 | if (!PyArg_ParseTuple(args, ":tzset")) |
| 572 | return NULL; |
| 573 | |
| 574 | m = PyImport_ImportModule("time"); |
| 575 | if (m == NULL) { |
| 576 | return NULL; |
| 577 | } |
| 578 | |
| 579 | tzset(); |
| 580 | |
| 581 | /* Reset timezone, altzone, daylight and tzname */ |
| 582 | inittimezone(m); |
| 583 | Py_DECREF(m); |
Tim Peters | 1b6f7a9 | 2004-06-20 02:50:16 +0000 | [diff] [blame^] | 584 | |
Guido van Rossum | d11b62e | 2003-03-14 21:51:36 +0000 | [diff] [blame] | 585 | Py_INCREF(Py_None); |
| 586 | return Py_None; |
| 587 | } |
| 588 | |
| 589 | PyDoc_STRVAR(tzset_doc, |
| 590 | "tzset(zone)\n\ |
| 591 | \n\ |
| 592 | Initialize, or reinitialize, the local timezone to the value stored in\n\ |
| 593 | os.environ['TZ']. The TZ environment variable should be specified in\n\ |
| 594 | standard Uniz timezone format as documented in the tzset man page\n\ |
| 595 | (eg. 'US/Eastern', 'Europe/Amsterdam'). Unknown timezones will silently\n\ |
| 596 | fall back to UTC. If the TZ environment variable is not set, the local\n\ |
| 597 | timezone is set to the systems best guess of wallclock time.\n\ |
| 598 | Changing the TZ environment variable without calling tzset *may* change\n\ |
| 599 | the local timezone used by methods such as localtime, but this behaviour\n\ |
| 600 | should not be relied on."); |
| 601 | #endif /* HAVE_WORKING_TZSET */ |
| 602 | |
| 603 | void inittimezone(PyObject *m) { |
| 604 | /* This code moved from inittime wholesale to allow calling it from |
| 605 | time_tzset. In the future, some parts of it can be moved back |
| 606 | (for platforms that don't HAVE_WORKING_TZSET, when we know what they |
| 607 | are), and the extranious calls to tzset(3) should be removed. |
| 608 | I havn't done this yet, as I don't want to change this code as |
| 609 | little as possible when introducing the time.tzset and time.tzsetwall |
| 610 | methods. This should simply be a method of doing the following once, |
| 611 | at the top of this function and removing the call to tzset() from |
| 612 | time_tzset(): |
| 613 | |
| 614 | #ifdef HAVE_TZSET |
| 615 | tzset() |
| 616 | #endif |
| 617 | |
| 618 | And I'm lazy and hate C so nyer. |
| 619 | */ |
Guido van Rossum | 10b164a | 2001-09-25 13:59:01 +0000 | [diff] [blame] | 620 | #if defined(HAVE_TZNAME) && !defined(__GLIBC__) && !defined(__CYGWIN__) |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 621 | tzset(); |
Guido van Rossum | 2645241 | 1998-09-28 22:07:11 +0000 | [diff] [blame] | 622 | #ifdef PYOS_OS2 |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 623 | PyModule_AddIntConstant(m, "timezone", _timezone); |
Guido van Rossum | 2645241 | 1998-09-28 22:07:11 +0000 | [diff] [blame] | 624 | #else /* !PYOS_OS2 */ |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 625 | PyModule_AddIntConstant(m, "timezone", timezone); |
Guido van Rossum | 2645241 | 1998-09-28 22:07:11 +0000 | [diff] [blame] | 626 | #endif /* PYOS_OS2 */ |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 627 | #ifdef HAVE_ALTZONE |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 628 | PyModule_AddIntConstant(m, "altzone", altzone); |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 629 | #else |
Guido van Rossum | 2645241 | 1998-09-28 22:07:11 +0000 | [diff] [blame] | 630 | #ifdef PYOS_OS2 |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 631 | PyModule_AddIntConstant(m, "altzone", _timezone-3600); |
Guido van Rossum | 2645241 | 1998-09-28 22:07:11 +0000 | [diff] [blame] | 632 | #else /* !PYOS_OS2 */ |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 633 | PyModule_AddIntConstant(m, "altzone", timezone-3600); |
Guido van Rossum | 2645241 | 1998-09-28 22:07:11 +0000 | [diff] [blame] | 634 | #endif /* PYOS_OS2 */ |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 635 | #endif |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 636 | PyModule_AddIntConstant(m, "daylight", daylight); |
| 637 | PyModule_AddObject(m, "tzname", |
| 638 | Py_BuildValue("(zz)", tzname[0], tzname[1])); |
Guido van Rossum | 10b164a | 2001-09-25 13:59:01 +0000 | [diff] [blame] | 639 | #else /* !HAVE_TZNAME || __GLIBC__ || __CYGWIN__*/ |
Martin v. Löwis | 60a5d72 | 2002-10-16 20:28:25 +0000 | [diff] [blame] | 640 | #ifdef HAVE_STRUCT_TM_TM_ZONE |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 641 | { |
| 642 | #define YEAR ((time_t)((365 * 24 + 6) * 3600)) |
| 643 | time_t t; |
| 644 | struct tm *p; |
Guido van Rossum | 5773160 | 1999-03-29 19:12:04 +0000 | [diff] [blame] | 645 | long janzone, julyzone; |
| 646 | char janname[10], julyname[10]; |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 647 | t = (time((time_t *)0) / YEAR) * YEAR; |
| 648 | p = localtime(&t); |
Guido van Rossum | 5773160 | 1999-03-29 19:12:04 +0000 | [diff] [blame] | 649 | janzone = -p->tm_gmtoff; |
| 650 | strncpy(janname, p->tm_zone ? p->tm_zone : " ", 9); |
| 651 | janname[9] = '\0'; |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 652 | t += YEAR/2; |
| 653 | p = localtime(&t); |
Guido van Rossum | 5773160 | 1999-03-29 19:12:04 +0000 | [diff] [blame] | 654 | julyzone = -p->tm_gmtoff; |
| 655 | strncpy(julyname, p->tm_zone ? p->tm_zone : " ", 9); |
| 656 | julyname[9] = '\0'; |
Guido van Rossum | 10b164a | 2001-09-25 13:59:01 +0000 | [diff] [blame] | 657 | |
Guido van Rossum | 5773160 | 1999-03-29 19:12:04 +0000 | [diff] [blame] | 658 | if( janzone < julyzone ) { |
| 659 | /* DST is reversed in the southern hemisphere */ |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 660 | PyModule_AddIntConstant(m, "timezone", julyzone); |
| 661 | PyModule_AddIntConstant(m, "altzone", janzone); |
| 662 | PyModule_AddIntConstant(m, "daylight", |
| 663 | janzone != julyzone); |
| 664 | PyModule_AddObject(m, "tzname", |
| 665 | Py_BuildValue("(zz)", |
| 666 | julyname, janname)); |
Guido van Rossum | 5773160 | 1999-03-29 19:12:04 +0000 | [diff] [blame] | 667 | } else { |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 668 | PyModule_AddIntConstant(m, "timezone", janzone); |
| 669 | PyModule_AddIntConstant(m, "altzone", julyzone); |
| 670 | PyModule_AddIntConstant(m, "daylight", |
| 671 | janzone != julyzone); |
| 672 | PyModule_AddObject(m, "tzname", |
| 673 | Py_BuildValue("(zz)", |
| 674 | janname, julyname)); |
Guido van Rossum | 5773160 | 1999-03-29 19:12:04 +0000 | [diff] [blame] | 675 | } |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 676 | } |
Guido van Rossum | e6a4b7b | 1997-10-08 15:27:56 +0000 | [diff] [blame] | 677 | #else |
Martin v. Löwis | 60a5d72 | 2002-10-16 20:28:25 +0000 | [diff] [blame] | 678 | #endif /* HAVE_STRUCT_TM_TM_ZONE */ |
Tim Peters | 26ae7cd | 2001-03-20 03:26:49 +0000 | [diff] [blame] | 679 | #ifdef __CYGWIN__ |
| 680 | tzset(); |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 681 | PyModule_AddIntConstant(m, "timezone", _timezone); |
| 682 | PyModule_AddIntConstant(m, "altzone", _timezone); |
| 683 | PyModule_AddIntConstant(m, "daylight", _daylight); |
| 684 | PyModule_AddObject(m, "tzname", |
| 685 | Py_BuildValue("(zz)", _tzname[0], _tzname[1])); |
Tim Peters | 26ae7cd | 2001-03-20 03:26:49 +0000 | [diff] [blame] | 686 | #endif /* __CYGWIN__ */ |
Guido van Rossum | 10b164a | 2001-09-25 13:59:01 +0000 | [diff] [blame] | 687 | #endif /* !HAVE_TZNAME || __GLIBC__ || __CYGWIN__*/ |
Guido van Rossum | d11b62e | 2003-03-14 21:51:36 +0000 | [diff] [blame] | 688 | } |
| 689 | |
| 690 | |
| 691 | static PyMethodDef time_methods[] = { |
| 692 | {"time", time_time, METH_VARARGS, time_doc}, |
| 693 | #ifdef HAVE_CLOCK |
| 694 | {"clock", time_clock, METH_VARARGS, clock_doc}, |
| 695 | #endif |
| 696 | {"sleep", time_sleep, METH_VARARGS, sleep_doc}, |
| 697 | {"gmtime", time_gmtime, METH_VARARGS, gmtime_doc}, |
| 698 | {"localtime", time_localtime, METH_VARARGS, localtime_doc}, |
| 699 | {"asctime", time_asctime, METH_VARARGS, asctime_doc}, |
| 700 | {"ctime", time_ctime, METH_VARARGS, ctime_doc}, |
| 701 | #ifdef HAVE_MKTIME |
| 702 | {"mktime", time_mktime, METH_VARARGS, mktime_doc}, |
| 703 | #endif |
| 704 | #ifdef HAVE_STRFTIME |
| 705 | {"strftime", time_strftime, METH_VARARGS, strftime_doc}, |
| 706 | #endif |
| 707 | {"strptime", time_strptime, METH_VARARGS, strptime_doc}, |
| 708 | #ifdef HAVE_WORKING_TZSET |
| 709 | {"tzset", time_tzset, METH_VARARGS, tzset_doc}, |
| 710 | #endif |
| 711 | {NULL, NULL} /* sentinel */ |
| 712 | }; |
| 713 | |
| 714 | |
| 715 | PyDoc_STRVAR(module_doc, |
| 716 | "This module provides various functions to manipulate time values.\n\ |
| 717 | \n\ |
| 718 | There are two standard representations of time. One is the number\n\ |
| 719 | of seconds since the Epoch, in UTC (a.k.a. GMT). It may be an integer\n\ |
| 720 | or a floating point number (to represent fractions of seconds).\n\ |
| 721 | The Epoch is system-defined; on Unix, it is generally January 1st, 1970.\n\ |
| 722 | The actual value can be retrieved by calling gmtime(0).\n\ |
| 723 | \n\ |
| 724 | The other representation is a tuple of 9 integers giving local time.\n\ |
| 725 | The tuple items are:\n\ |
| 726 | year (four digits, e.g. 1998)\n\ |
| 727 | month (1-12)\n\ |
| 728 | day (1-31)\n\ |
| 729 | hours (0-23)\n\ |
| 730 | minutes (0-59)\n\ |
| 731 | seconds (0-59)\n\ |
| 732 | weekday (0-6, Monday is 0)\n\ |
| 733 | Julian day (day in the year, 1-366)\n\ |
| 734 | DST (Daylight Savings Time) flag (-1, 0 or 1)\n\ |
| 735 | If the DST flag is 0, the time is given in the regular time zone;\n\ |
| 736 | if it is 1, the time is given in the DST time zone;\n\ |
| 737 | if it is -1, mktime() should guess based on the date and time.\n\ |
| 738 | \n\ |
| 739 | Variables:\n\ |
| 740 | \n\ |
| 741 | timezone -- difference in seconds between UTC and local standard time\n\ |
| 742 | altzone -- difference in seconds between UTC and local DST time\n\ |
| 743 | daylight -- whether local time should reflect DST\n\ |
| 744 | tzname -- tuple of (standard time zone name, DST time zone name)\n\ |
| 745 | \n\ |
| 746 | Functions:\n\ |
| 747 | \n\ |
| 748 | time() -- return current time in seconds since the Epoch as a float\n\ |
| 749 | clock() -- return CPU time since process start as a float\n\ |
| 750 | sleep() -- delay for a number of seconds given as a float\n\ |
| 751 | gmtime() -- convert seconds since Epoch to UTC tuple\n\ |
| 752 | localtime() -- convert seconds since Epoch to local time tuple\n\ |
| 753 | asctime() -- convert time tuple to string\n\ |
| 754 | ctime() -- convert time in seconds to string\n\ |
| 755 | mktime() -- convert local time tuple to seconds since Epoch\n\ |
| 756 | strftime() -- convert time tuple to string according to format specification\n\ |
| 757 | strptime() -- parse string to time tuple according to format specification\n\ |
| 758 | tzset() -- change the local timezone"); |
| 759 | |
| 760 | |
| 761 | PyMODINIT_FUNC |
| 762 | inittime(void) |
| 763 | { |
| 764 | PyObject *m; |
| 765 | char *p; |
| 766 | m = Py_InitModule3("time", time_methods, module_doc); |
| 767 | |
| 768 | /* Accept 2-digit dates unless PYTHONY2K is set and non-empty */ |
| 769 | p = Py_GETENV("PYTHONY2K"); |
| 770 | PyModule_AddIntConstant(m, "accept2dyear", (long) (!p || !*p)); |
| 771 | /* Squirrel away the module's dictionary for the y2k check */ |
| 772 | moddict = PyModule_GetDict(m); |
| 773 | Py_INCREF(moddict); |
| 774 | |
| 775 | /* Set, or reset, module variables like time.timezone */ |
| 776 | inittimezone(m); |
| 777 | |
Mark Hammond | 975e392 | 2002-07-16 01:29:19 +0000 | [diff] [blame] | 778 | #ifdef MS_WINDOWS |
| 779 | /* Helper to allow interrupts for Windows. |
| 780 | If Ctrl+C event delivered while not sleeping |
| 781 | it will be ignored. |
| 782 | */ |
| 783 | main_thread = PyThread_get_thread_ident(); |
| 784 | hInterruptEvent = CreateEvent(NULL, TRUE, FALSE, NULL); |
| 785 | SetConsoleCtrlHandler( PyCtrlHandler, TRUE); |
| 786 | #endif /* MS_WINDOWS */ |
Guido van Rossum | 98bf58f | 2001-10-18 20:34:25 +0000 | [diff] [blame] | 787 | PyStructSequence_InitType(&StructTimeType, &struct_time_type_desc); |
Fred Drake | 9bb7432 | 2002-04-01 14:49:59 +0000 | [diff] [blame] | 788 | Py_INCREF(&StructTimeType); |
| 789 | PyModule_AddObject(m, "struct_time", (PyObject*) &StructTimeType); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 790 | } |
| 791 | |
| 792 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 793 | /* Implement floattime() for various platforms */ |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 794 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 795 | static double |
Thomas Wouters | f3f33dc | 2000-07-21 06:00:07 +0000 | [diff] [blame] | 796 | floattime(void) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 797 | { |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 798 | /* There are three ways to get the time: |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 799 | (1) gettimeofday() -- resolution in microseconds |
| 800 | (2) ftime() -- resolution in milliseconds |
| 801 | (3) time() -- resolution in seconds |
| 802 | In all cases the return value is a float in seconds. |
| 803 | Since on some systems (e.g. SCO ODT 3.0) gettimeofday() may |
| 804 | fail, so we fall back on ftime() or time(). |
| 805 | Note: clock resolution does not imply clock accuracy! */ |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 806 | #ifdef HAVE_GETTIMEOFDAY |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 807 | { |
| 808 | struct timeval t; |
Guido van Rossum | 3bbc62e | 1995-01-02 19:30:30 +0000 | [diff] [blame] | 809 | #ifdef GETTIMEOFDAY_NO_TZ |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 810 | if (gettimeofday(&t) == 0) |
| 811 | return (double)t.tv_sec + t.tv_usec*0.000001; |
Guido van Rossum | 3bbc62e | 1995-01-02 19:30:30 +0000 | [diff] [blame] | 812 | #else /* !GETTIMEOFDAY_NO_TZ */ |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 813 | if (gettimeofday(&t, (struct timezone *)NULL) == 0) |
| 814 | return (double)t.tv_sec + t.tv_usec*0.000001; |
Guido van Rossum | 3bbc62e | 1995-01-02 19:30:30 +0000 | [diff] [blame] | 815 | #endif /* !GETTIMEOFDAY_NO_TZ */ |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 816 | } |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 817 | #endif /* !HAVE_GETTIMEOFDAY */ |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 818 | { |
Guido van Rossum | d3eb577 | 1999-03-09 16:07:23 +0000 | [diff] [blame] | 819 | #if defined(HAVE_FTIME) |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 820 | struct timeb t; |
| 821 | ftime(&t); |
| 822 | return (double)t.time + (double)t.millitm * (double)0.001; |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 823 | #else /* !HAVE_FTIME */ |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 824 | time_t secs; |
| 825 | time(&secs); |
| 826 | return (double)secs; |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 827 | #endif /* !HAVE_FTIME */ |
Barry Warsaw | 4a6cf41 | 1997-01-13 22:44:55 +0000 | [diff] [blame] | 828 | } |
Guido van Rossum | 426035c | 1991-02-19 12:27:35 +0000 | [diff] [blame] | 829 | } |
| 830 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 831 | |
| 832 | /* Implement floatsleep() for various platforms. |
| 833 | When interrupted (or when another error occurs), return -1 and |
| 834 | set an exception; else return 0. */ |
| 835 | |
| 836 | static int |
Guido van Rossum | a320fd3 | 1995-03-09 12:14:15 +0000 | [diff] [blame] | 837 | floatsleep(double secs) |
Guido van Rossum | 426035c | 1991-02-19 12:27:35 +0000 | [diff] [blame] | 838 | { |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 839 | /* XXX Should test for MS_WINDOWS first! */ |
Andrew MacIntyre | 7bf6833 | 2002-03-03 02:59:16 +0000 | [diff] [blame] | 840 | #if defined(HAVE_SELECT) && !defined(__BEOS__) && !defined(__EMX__) |
Guido van Rossum | 426035c | 1991-02-19 12:27:35 +0000 | [diff] [blame] | 841 | struct timeval t; |
Guido van Rossum | 775f4da | 1993-01-09 17:18:52 +0000 | [diff] [blame] | 842 | double frac; |
Guido van Rossum | 775f4da | 1993-01-09 17:18:52 +0000 | [diff] [blame] | 843 | frac = fmod(secs, 1.0); |
| 844 | secs = floor(secs); |
| 845 | t.tv_sec = (long)secs; |
| 846 | t.tv_usec = (long)(frac*1000000.0); |
Guido van Rossum | 8607ae2 | 1997-11-03 22:04:46 +0000 | [diff] [blame] | 847 | Py_BEGIN_ALLOW_THREADS |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 848 | if (select(0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &t) != 0) { |
Guido van Rossum | 09cbb01 | 1999-11-08 15:32:27 +0000 | [diff] [blame] | 849 | #ifdef EINTR |
Guido van Rossum | a5456d5 | 1999-08-19 14:40:27 +0000 | [diff] [blame] | 850 | if (errno != EINTR) { |
Guido van Rossum | 09cbb01 | 1999-11-08 15:32:27 +0000 | [diff] [blame] | 851 | #else |
| 852 | if (1) { |
| 853 | #endif |
Andrew M. Kuchling | c24ca4b | 2000-03-24 20:35:20 +0000 | [diff] [blame] | 854 | Py_BLOCK_THREADS |
Guido van Rossum | a5456d5 | 1999-08-19 14:40:27 +0000 | [diff] [blame] | 855 | PyErr_SetFromErrno(PyExc_IOError); |
| 856 | return -1; |
| 857 | } |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 858 | } |
Guido van Rossum | 8607ae2 | 1997-11-03 22:04:46 +0000 | [diff] [blame] | 859 | Py_END_ALLOW_THREADS |
Martin v. Löwis | 02af964 | 2002-01-16 11:04:06 +0000 | [diff] [blame] | 860 | #elif defined(__WATCOMC__) && !defined(__QNX__) |
Guido van Rossum | bceeac8 | 1996-05-23 22:53:47 +0000 | [diff] [blame] | 861 | /* XXX Can't interrupt this sleep */ |
Guido van Rossum | 8607ae2 | 1997-11-03 22:04:46 +0000 | [diff] [blame] | 862 | Py_BEGIN_ALLOW_THREADS |
Guido van Rossum | bceeac8 | 1996-05-23 22:53:47 +0000 | [diff] [blame] | 863 | delay((int)(secs * 1000 + 0.5)); /* delay() uses milliseconds */ |
Guido van Rossum | 8607ae2 | 1997-11-03 22:04:46 +0000 | [diff] [blame] | 864 | Py_END_ALLOW_THREADS |
Martin v. Löwis | 6238d2b | 2002-06-30 15:26:10 +0000 | [diff] [blame] | 865 | #elif defined(MS_WINDOWS) |
Fred Drake | 0e12395 | 2000-06-29 21:31:02 +0000 | [diff] [blame] | 866 | { |
| 867 | double millisecs = secs * 1000.0; |
Tim Peters | 513a1cd | 2003-01-19 04:54:58 +0000 | [diff] [blame] | 868 | unsigned long ul_millis; |
| 869 | |
Fred Drake | 0e12395 | 2000-06-29 21:31:02 +0000 | [diff] [blame] | 870 | if (millisecs > (double)ULONG_MAX) { |
Tim Peters | 513a1cd | 2003-01-19 04:54:58 +0000 | [diff] [blame] | 871 | PyErr_SetString(PyExc_OverflowError, |
| 872 | "sleep length is too large"); |
Fred Drake | 0e12395 | 2000-06-29 21:31:02 +0000 | [diff] [blame] | 873 | return -1; |
| 874 | } |
Fred Drake | 0e12395 | 2000-06-29 21:31:02 +0000 | [diff] [blame] | 875 | Py_BEGIN_ALLOW_THREADS |
Tim Peters | 513a1cd | 2003-01-19 04:54:58 +0000 | [diff] [blame] | 876 | /* Allow sleep(0) to maintain win32 semantics, and as decreed |
| 877 | * by Guido, only the main thread can be interrupted. |
| 878 | */ |
| 879 | ul_millis = (unsigned long)millisecs; |
| 880 | if (ul_millis == 0 || |
| 881 | main_thread != PyThread_get_thread_ident()) |
| 882 | Sleep(ul_millis); |
Mark Hammond | 975e392 | 2002-07-16 01:29:19 +0000 | [diff] [blame] | 883 | else { |
| 884 | DWORD rc; |
| 885 | ResetEvent(hInterruptEvent); |
Tim Peters | 513a1cd | 2003-01-19 04:54:58 +0000 | [diff] [blame] | 886 | rc = WaitForSingleObject(hInterruptEvent, ul_millis); |
| 887 | if (rc == WAIT_OBJECT_0) { |
| 888 | /* Yield to make sure real Python signal |
| 889 | * handler called. |
| 890 | */ |
Mark Hammond | 975e392 | 2002-07-16 01:29:19 +0000 | [diff] [blame] | 891 | Sleep(1); |
| 892 | Py_BLOCK_THREADS |
Mark Hammond | 975e392 | 2002-07-16 01:29:19 +0000 | [diff] [blame] | 893 | errno = EINTR; |
| 894 | PyErr_SetFromErrno(PyExc_IOError); |
| 895 | return -1; |
| 896 | } |
| 897 | } |
Fred Drake | 0e12395 | 2000-06-29 21:31:02 +0000 | [diff] [blame] | 898 | Py_END_ALLOW_THREADS |
| 899 | } |
Martin v. Löwis | 02af964 | 2002-01-16 11:04:06 +0000 | [diff] [blame] | 900 | #elif defined(PYOS_OS2) |
Guido van Rossum | 8e9ebfd | 1997-11-22 21:53:48 +0000 | [diff] [blame] | 901 | /* This Sleep *IS* Interruptable by Exceptions */ |
Guido van Rossum | 1d0d7e4 | 1997-12-29 20:03:10 +0000 | [diff] [blame] | 902 | Py_BEGIN_ALLOW_THREADS |
Guido van Rossum | 8e9ebfd | 1997-11-22 21:53:48 +0000 | [diff] [blame] | 903 | if (DosSleep(secs * 1000) != NO_ERROR) { |
Guido van Rossum | 1d0d7e4 | 1997-12-29 20:03:10 +0000 | [diff] [blame] | 904 | Py_BLOCK_THREADS |
Guido van Rossum | 8e9ebfd | 1997-11-22 21:53:48 +0000 | [diff] [blame] | 905 | PyErr_SetFromErrno(PyExc_IOError); |
| 906 | return -1; |
| 907 | } |
Guido van Rossum | 1d0d7e4 | 1997-12-29 20:03:10 +0000 | [diff] [blame] | 908 | Py_END_ALLOW_THREADS |
Martin v. Löwis | 02af964 | 2002-01-16 11:04:06 +0000 | [diff] [blame] | 909 | #elif defined(__BEOS__) |
Guido van Rossum | bcc2074 | 1998-08-04 22:53:56 +0000 | [diff] [blame] | 910 | /* This sleep *CAN BE* interrupted. */ |
| 911 | { |
Guido van Rossum | bcc2074 | 1998-08-04 22:53:56 +0000 | [diff] [blame] | 912 | if( secs <= 0.0 ) { |
| 913 | return; |
| 914 | } |
Guido van Rossum | 10b164a | 2001-09-25 13:59:01 +0000 | [diff] [blame] | 915 | |
Guido van Rossum | bcc2074 | 1998-08-04 22:53:56 +0000 | [diff] [blame] | 916 | Py_BEGIN_ALLOW_THREADS |
Guido van Rossum | d3eb577 | 1999-03-09 16:07:23 +0000 | [diff] [blame] | 917 | /* BeOS snooze() is in microseconds... */ |
| 918 | if( snooze( (bigtime_t)( secs * 1000.0 * 1000.0 ) ) == B_INTERRUPTED ) { |
Guido van Rossum | bcc2074 | 1998-08-04 22:53:56 +0000 | [diff] [blame] | 919 | Py_BLOCK_THREADS |
| 920 | PyErr_SetFromErrno( PyExc_IOError ); |
| 921 | return -1; |
| 922 | } |
| 923 | Py_END_ALLOW_THREADS |
| 924 | } |
Martin v. Löwis | 02af964 | 2002-01-16 11:04:06 +0000 | [diff] [blame] | 925 | #elif defined(RISCOS) |
Guido van Rossum | bceccf5 | 2001-04-10 22:07:43 +0000 | [diff] [blame] | 926 | if (secs <= 0.0) |
| 927 | return 0; |
| 928 | Py_BEGIN_ALLOW_THREADS |
| 929 | /* This sleep *CAN BE* interrupted. */ |
Martin v. Löwis | a94568a | 2003-05-10 07:36:56 +0000 | [diff] [blame] | 930 | if ( riscos_sleep(secs) ) |
Guido van Rossum | bceccf5 | 2001-04-10 22:07:43 +0000 | [diff] [blame] | 931 | return -1; |
| 932 | Py_END_ALLOW_THREADS |
Martin v. Löwis | 02af964 | 2002-01-16 11:04:06 +0000 | [diff] [blame] | 933 | #elif defined(PLAN9) |
| 934 | { |
| 935 | double millisecs = secs * 1000.0; |
| 936 | if (millisecs > (double)LONG_MAX) { |
| 937 | PyErr_SetString(PyExc_OverflowError, "sleep length is too large"); |
| 938 | return -1; |
| 939 | } |
| 940 | /* This sleep *CAN BE* interrupted. */ |
| 941 | Py_BEGIN_ALLOW_THREADS |
| 942 | if(sleep((long)millisecs) < 0){ |
| 943 | Py_BLOCK_THREADS |
| 944 | PyErr_SetFromErrno(PyExc_IOError); |
| 945 | return -1; |
| 946 | } |
| 947 | Py_END_ALLOW_THREADS |
| 948 | } |
| 949 | #else |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 950 | /* XXX Can't interrupt this sleep */ |
Guido van Rossum | 8607ae2 | 1997-11-03 22:04:46 +0000 | [diff] [blame] | 951 | Py_BEGIN_ALLOW_THREADS |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 952 | sleep((int)secs); |
Guido van Rossum | 8607ae2 | 1997-11-03 22:04:46 +0000 | [diff] [blame] | 953 | Py_END_ALLOW_THREADS |
Martin v. Löwis | 02af964 | 2002-01-16 11:04:06 +0000 | [diff] [blame] | 954 | #endif |
Guido van Rossum | 98bf58f | 2001-10-18 20:34:25 +0000 | [diff] [blame] | 955 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 956 | return 0; |
Guido van Rossum | 80c9d88 | 1991-04-16 08:47:51 +0000 | [diff] [blame] | 957 | } |
Guido van Rossum | d11b62e | 2003-03-14 21:51:36 +0000 | [diff] [blame] | 958 | |
| 959 | |