Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 1 | """Calendar printing functions |
| 2 | |
| 3 | Note when comparing these calendars to the ones printed by cal(1): By |
| 4 | default, these calendars have Monday as the first day of the week, and |
| 5 | Sunday as the last (the European convention). Use setfirstweekday() to |
| 6 | set the first day of the week (0=Monday, 6=Sunday).""" |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 7 | |
Christian Heimes | 96f3163 | 2007-11-12 01:32:03 +0000 | [diff] [blame] | 8 | import sys |
| 9 | import datetime |
| 10 | import locale as _locale |
Alexander Belopolsky | 957b756 | 2016-09-27 20:26:39 -0400 | [diff] [blame] | 11 | from itertools import repeat |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 12 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 13 | __all__ = ["IllegalMonthError", "IllegalWeekdayError", "setfirstweekday", |
| 14 | "firstweekday", "isleap", "leapdays", "weekday", "monthrange", |
| 15 | "monthcalendar", "prmonth", "month", "prcal", "calendar", |
| 16 | "timegm", "month_name", "month_abbr", "day_name", "day_abbr"] |
Skip Montanaro | e99d5ea | 2001-01-20 19:54:20 +0000 | [diff] [blame] | 17 | |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 18 | # Exception raised for bad input (with string parameter for details) |
Guido van Rossum | 00245cf | 1999-05-03 18:07:40 +0000 | [diff] [blame] | 19 | error = ValueError |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 20 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 21 | # Exceptions raised for bad input |
| 22 | class IllegalMonthError(ValueError): |
| 23 | def __init__(self, month): |
| 24 | self.month = month |
| 25 | def __str__(self): |
| 26 | return "bad month number %r; must be 1-12" % self.month |
| 27 | |
| 28 | |
| 29 | class IllegalWeekdayError(ValueError): |
| 30 | def __init__(self, weekday): |
| 31 | self.weekday = weekday |
| 32 | def __str__(self): |
| 33 | return "bad weekday number %r; must be 0 (Monday) to 6 (Sunday)" % self.weekday |
| 34 | |
| 35 | |
Guido van Rossum | 9b3bc71 | 1993-06-20 21:02:22 +0000 | [diff] [blame] | 36 | # Constants for months referenced later |
| 37 | January = 1 |
| 38 | February = 2 |
| 39 | |
| 40 | # Number of days per month (except for February in leap years) |
| 41 | mdays = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] |
| 42 | |
Tim Peters | 0c2c8e7 | 2002-03-23 03:26:53 +0000 | [diff] [blame] | 43 | # This module used to have hard-coded lists of day and month names, as |
| 44 | # English strings. The classes following emulate a read-only version of |
| 45 | # that, but supply localized names. Note that the values are computed |
| 46 | # fresh on each call, in case the user changes locale between calls. |
| 47 | |
Raymond Hettinger | 9c051d7 | 2002-06-20 03:38:12 +0000 | [diff] [blame] | 48 | class _localized_month: |
Tim Peters | bbc0d44 | 2004-11-13 16:18:32 +0000 | [diff] [blame] | 49 | |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 50 | _months = [datetime.date(2001, i+1, 1).strftime for i in range(12)] |
Tim Peters | bbc0d44 | 2004-11-13 16:18:32 +0000 | [diff] [blame] | 51 | _months.insert(0, lambda x: "") |
| 52 | |
Tim Peters | 0c2c8e7 | 2002-03-23 03:26:53 +0000 | [diff] [blame] | 53 | def __init__(self, format): |
Barry Warsaw | 1d09910 | 2001-05-22 15:58:30 +0000 | [diff] [blame] | 54 | self.format = format |
Tim Peters | 0c2c8e7 | 2002-03-23 03:26:53 +0000 | [diff] [blame] | 55 | |
| 56 | def __getitem__(self, i): |
Tim Peters | bbc0d44 | 2004-11-13 16:18:32 +0000 | [diff] [blame] | 57 | funcs = self._months[i] |
| 58 | if isinstance(i, slice): |
| 59 | return [f(self.format) for f in funcs] |
| 60 | else: |
| 61 | return funcs(self.format) |
Tim Peters | 0c2c8e7 | 2002-03-23 03:26:53 +0000 | [diff] [blame] | 62 | |
Skip Montanaro | 4c83495 | 2002-03-15 04:08:38 +0000 | [diff] [blame] | 63 | def __len__(self): |
Tim Peters | 0c2c8e7 | 2002-03-23 03:26:53 +0000 | [diff] [blame] | 64 | return 13 |
| 65 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 66 | |
Raymond Hettinger | 9c051d7 | 2002-06-20 03:38:12 +0000 | [diff] [blame] | 67 | class _localized_day: |
Tim Peters | bbc0d44 | 2004-11-13 16:18:32 +0000 | [diff] [blame] | 68 | |
| 69 | # January 1, 2001, was a Monday. |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 70 | _days = [datetime.date(2001, 1, i+1).strftime for i in range(7)] |
Tim Peters | bbc0d44 | 2004-11-13 16:18:32 +0000 | [diff] [blame] | 71 | |
Tim Peters | 0c2c8e7 | 2002-03-23 03:26:53 +0000 | [diff] [blame] | 72 | def __init__(self, format): |
| 73 | self.format = format |
| 74 | |
| 75 | def __getitem__(self, i): |
Tim Peters | bbc0d44 | 2004-11-13 16:18:32 +0000 | [diff] [blame] | 76 | funcs = self._days[i] |
| 77 | if isinstance(i, slice): |
| 78 | return [f(self.format) for f in funcs] |
| 79 | else: |
| 80 | return funcs(self.format) |
Tim Peters | 0c2c8e7 | 2002-03-23 03:26:53 +0000 | [diff] [blame] | 81 | |
Neal Norwitz | 492faa5 | 2004-06-07 03:47:06 +0000 | [diff] [blame] | 82 | def __len__(self): |
Tim Peters | 0c2c8e7 | 2002-03-23 03:26:53 +0000 | [diff] [blame] | 83 | return 7 |
Barry Warsaw | 1d09910 | 2001-05-22 15:58:30 +0000 | [diff] [blame] | 84 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 85 | |
Guido van Rossum | 9b3bc71 | 1993-06-20 21:02:22 +0000 | [diff] [blame] | 86 | # Full and abbreviated names of weekdays |
Tim Peters | 0c2c8e7 | 2002-03-23 03:26:53 +0000 | [diff] [blame] | 87 | day_name = _localized_day('%A') |
| 88 | day_abbr = _localized_day('%a') |
Guido van Rossum | 9b3bc71 | 1993-06-20 21:02:22 +0000 | [diff] [blame] | 89 | |
Guido van Rossum | 5cfa5df | 1993-06-23 09:30:50 +0000 | [diff] [blame] | 90 | # Full and abbreviated names of months (1-based arrays!!!) |
Tim Peters | 0c2c8e7 | 2002-03-23 03:26:53 +0000 | [diff] [blame] | 91 | month_name = _localized_month('%B') |
| 92 | month_abbr = _localized_month('%b') |
Guido van Rossum | 9b3bc71 | 1993-06-20 21:02:22 +0000 | [diff] [blame] | 93 | |
Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 94 | # Constants for weekdays |
| 95 | (MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY) = range(7) |
| 96 | |
Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 97 | |
Guido van Rossum | 9b3bc71 | 1993-06-20 21:02:22 +0000 | [diff] [blame] | 98 | def isleap(year): |
Alexander Belopolsky | f87cc04 | 2010-10-19 17:43:50 +0000 | [diff] [blame] | 99 | """Return True for leap years, False for non-leap years.""" |
Fred Drake | 8152d32 | 2000-12-12 23:20:45 +0000 | [diff] [blame] | 100 | return year % 4 == 0 and (year % 100 != 0 or year % 400 == 0) |
Guido van Rossum | 9b3bc71 | 1993-06-20 21:02:22 +0000 | [diff] [blame] | 101 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 102 | |
Guido van Rossum | 9b3bc71 | 1993-06-20 21:02:22 +0000 | [diff] [blame] | 103 | def leapdays(y1, y2): |
Guido van Rossum | 4acc25b | 2000-02-02 15:10:15 +0000 | [diff] [blame] | 104 | """Return number of leap years in range [y1, y2). |
Guido van Rossum | 46735ad | 2000-10-09 12:42:04 +0000 | [diff] [blame] | 105 | Assume y1 <= y2.""" |
| 106 | y1 -= 1 |
| 107 | y2 -= 1 |
Raymond Hettinger | e11b510 | 2002-12-25 16:37:19 +0000 | [diff] [blame] | 108 | return (y2//4 - y1//4) - (y2//100 - y1//100) + (y2//400 - y1//400) |
Guido van Rossum | 9b3bc71 | 1993-06-20 21:02:22 +0000 | [diff] [blame] | 109 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 110 | |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 111 | def weekday(year, month, day): |
Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 112 | """Return weekday (0-6 ~ Mon-Sun) for year (1970-...), month (1-12), |
| 113 | day (1-31).""" |
Raymond Hettinger | e11b510 | 2002-12-25 16:37:19 +0000 | [diff] [blame] | 114 | return datetime.date(year, month, day).weekday() |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 115 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 116 | |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 117 | def monthrange(year, month): |
Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 118 | """Return weekday (0-6 ~ Mon-Sun) and number of days (28-31) for |
| 119 | year, month.""" |
| 120 | if not 1 <= month <= 12: |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 121 | raise IllegalMonthError(month) |
Guido van Rossum | 4acc25b | 2000-02-02 15:10:15 +0000 | [diff] [blame] | 122 | day1 = weekday(year, month, 1) |
| 123 | ndays = mdays[month] + (month == February and isleap(year)) |
| 124 | return day1, ndays |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 125 | |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 126 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 127 | class Calendar(object): |
| 128 | """ |
| 129 | Base calendar class. This class doesn't do any formatting. It simply |
| 130 | provides data to subclasses. |
| 131 | """ |
Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 132 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 133 | def __init__(self, firstweekday=0): |
| 134 | self.firstweekday = firstweekday # 0 = Monday, 6 = Sunday |
| 135 | |
| 136 | def getfirstweekday(self): |
| 137 | return self._firstweekday % 7 |
| 138 | |
| 139 | def setfirstweekday(self, firstweekday): |
| 140 | self._firstweekday = firstweekday |
| 141 | |
| 142 | firstweekday = property(getfirstweekday, setfirstweekday) |
| 143 | |
| 144 | def iterweekdays(self): |
| 145 | """ |
Martin Panter | 7462b649 | 2015-11-02 03:37:02 +0000 | [diff] [blame] | 146 | Return an iterator for one week of weekday numbers starting with the |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 147 | configured first one. |
| 148 | """ |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 149 | for i in range(self.firstweekday, self.firstweekday + 7): |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 150 | yield i%7 |
| 151 | |
| 152 | def itermonthdates(self, year, month): |
| 153 | """ |
| 154 | Return an iterator for one month. The iterator will yield datetime.date |
| 155 | values and will always iterate through complete weeks, so it will yield |
| 156 | dates outside the specified month. |
| 157 | """ |
| 158 | date = datetime.date(year, month, 1) |
| 159 | # Go back to the beginning of the week |
| 160 | days = (date.weekday() - self.firstweekday) % 7 |
| 161 | date -= datetime.timedelta(days=days) |
| 162 | oneday = datetime.timedelta(days=1) |
| 163 | while True: |
| 164 | yield date |
Ezio Melotti | 85710a4 | 2012-09-21 17:26:35 +0300 | [diff] [blame] | 165 | try: |
| 166 | date += oneday |
| 167 | except OverflowError: |
| 168 | # Adding one day could fail after datetime.MAXYEAR |
| 169 | break |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 170 | if date.month != month and date.weekday() == self.firstweekday: |
| 171 | break |
| 172 | |
| 173 | def itermonthdays2(self, year, month): |
| 174 | """ |
| 175 | Like itermonthdates(), but will yield (day number, weekday number) |
| 176 | tuples. For days outside the specified month the day number is 0. |
| 177 | """ |
Alexander Belopolsky | 957b756 | 2016-09-27 20:26:39 -0400 | [diff] [blame] | 178 | for i, d in enumerate(self.itermonthdays(year, month), self.firstweekday): |
| 179 | yield d, i % 7 |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 180 | |
| 181 | def itermonthdays(self, year, month): |
| 182 | """ |
Christian Heimes | 77c02eb | 2008-02-09 02:18:51 +0000 | [diff] [blame] | 183 | Like itermonthdates(), but will yield day numbers. For days outside |
| 184 | the specified month the day number is 0. |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 185 | """ |
Alexander Belopolsky | 957b756 | 2016-09-27 20:26:39 -0400 | [diff] [blame] | 186 | day1, ndays = monthrange(year, month) |
| 187 | days_before = (day1 - self.firstweekday) % 7 |
| 188 | yield from repeat(0, days_before) |
| 189 | yield from range(1, ndays + 1) |
| 190 | days_after = (self.firstweekday - day1 - ndays) % 7 |
| 191 | yield from repeat(0, days_after) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 192 | |
| 193 | def monthdatescalendar(self, year, month): |
| 194 | """ |
| 195 | Return a matrix (list of lists) representing a month's calendar. |
| 196 | Each row represents a week; week entries are datetime.date values. |
| 197 | """ |
| 198 | dates = list(self.itermonthdates(year, month)) |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 199 | return [ dates[i:i+7] for i in range(0, len(dates), 7) ] |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 200 | |
| 201 | def monthdays2calendar(self, year, month): |
| 202 | """ |
| 203 | Return a matrix representing a month's calendar. |
| 204 | Each row represents a week; week entries are |
| 205 | (day number, weekday number) tuples. Day numbers outside this month |
| 206 | are zero. |
| 207 | """ |
| 208 | days = list(self.itermonthdays2(year, month)) |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 209 | return [ days[i:i+7] for i in range(0, len(days), 7) ] |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 210 | |
| 211 | def monthdayscalendar(self, year, month): |
| 212 | """ |
| 213 | Return a matrix representing a month's calendar. |
| 214 | Each row represents a week; days outside this month are zero. |
| 215 | """ |
| 216 | days = list(self.itermonthdays(year, month)) |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 217 | return [ days[i:i+7] for i in range(0, len(days), 7) ] |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 218 | |
| 219 | def yeardatescalendar(self, year, width=3): |
| 220 | """ |
| 221 | Return the data for the specified year ready for formatting. The return |
Ezio Melotti | 30b9d5d | 2013-08-17 15:50:46 +0300 | [diff] [blame] | 222 | value is a list of month rows. Each month row contains up to width months. |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 223 | Each month contains between 4 and 6 weeks and each week contains 1-7 |
| 224 | days. Days are datetime.date objects. |
| 225 | """ |
| 226 | months = [ |
| 227 | self.monthdatescalendar(year, i) |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 228 | for i in range(January, January+12) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 229 | ] |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 230 | return [months[i:i+width] for i in range(0, len(months), width) ] |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 231 | |
| 232 | def yeardays2calendar(self, year, width=3): |
| 233 | """ |
| 234 | Return the data for the specified year ready for formatting (similar to |
| 235 | yeardatescalendar()). Entries in the week lists are |
| 236 | (day number, weekday number) tuples. Day numbers outside this month are |
| 237 | zero. |
| 238 | """ |
| 239 | months = [ |
| 240 | self.monthdays2calendar(year, i) |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 241 | for i in range(January, January+12) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 242 | ] |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 243 | return [months[i:i+width] for i in range(0, len(months), width) ] |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 244 | |
| 245 | def yeardayscalendar(self, year, width=3): |
| 246 | """ |
| 247 | Return the data for the specified year ready for formatting (similar to |
| 248 | yeardatescalendar()). Entries in the week lists are day numbers. |
| 249 | Day numbers outside this month are zero. |
| 250 | """ |
| 251 | months = [ |
| 252 | self.monthdayscalendar(year, i) |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 253 | for i in range(January, January+12) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 254 | ] |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 255 | return [months[i:i+width] for i in range(0, len(months), width) ] |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 256 | |
| 257 | |
| 258 | class TextCalendar(Calendar): |
| 259 | """ |
| 260 | Subclass of Calendar that outputs a calendar as a simple plain text |
| 261 | similar to the UNIX program cal. |
| 262 | """ |
| 263 | |
| 264 | def prweek(self, theweek, width): |
| 265 | """ |
| 266 | Print a single week (no newline). |
| 267 | """ |
Christian Heimes | 32fbe59 | 2007-11-12 15:01:33 +0000 | [diff] [blame] | 268 | print(self.formatweek(theweek, width), end=' ') |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 269 | |
| 270 | def formatday(self, day, weekday, width): |
| 271 | """ |
| 272 | Returns a formatted day. |
| 273 | """ |
Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 274 | if day == 0: |
| 275 | s = '' |
| 276 | else: |
| 277 | s = '%2i' % day # right-align single-digit days |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 278 | return s.center(width) |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 279 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 280 | def formatweek(self, theweek, width): |
| 281 | """ |
| 282 | Returns a single week in a string (no newline). |
| 283 | """ |
| 284 | return ' '.join(self.formatday(d, wd, width) for (d, wd) in theweek) |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 285 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 286 | def formatweekday(self, day, width): |
| 287 | """ |
| 288 | Returns a formatted week day name. |
| 289 | """ |
| 290 | if width >= 9: |
| 291 | names = day_name |
| 292 | else: |
| 293 | names = day_abbr |
| 294 | return names[day][:width].center(width) |
Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 295 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 296 | def formatweekheader(self, width): |
| 297 | """ |
| 298 | Return a header for a week. |
| 299 | """ |
| 300 | return ' '.join(self.formatweekday(i, width) for i in self.iterweekdays()) |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 301 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 302 | def formatmonthname(self, theyear, themonth, width, withyear=True): |
| 303 | """ |
| 304 | Return a formatted month name. |
| 305 | """ |
| 306 | s = month_name[themonth] |
| 307 | if withyear: |
| 308 | s = "%s %r" % (s, theyear) |
| 309 | return s.center(width) |
| 310 | |
| 311 | def prmonth(self, theyear, themonth, w=0, l=0): |
| 312 | """ |
| 313 | Print a month's calendar. |
| 314 | """ |
Serhiy Storchaka | 7ff51bd | 2016-10-25 15:00:52 +0300 | [diff] [blame^] | 315 | print(self.formatmonth(theyear, themonth, w, l), end='') |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 316 | |
| 317 | def formatmonth(self, theyear, themonth, w=0, l=0): |
| 318 | """ |
| 319 | Return a month's calendar string (multi-line). |
| 320 | """ |
| 321 | w = max(2, w) |
| 322 | l = max(1, l) |
| 323 | s = self.formatmonthname(theyear, themonth, 7 * (w + 1) - 1) |
| 324 | s = s.rstrip() |
| 325 | s += '\n' * l |
| 326 | s += self.formatweekheader(w).rstrip() |
| 327 | s += '\n' * l |
| 328 | for week in self.monthdays2calendar(theyear, themonth): |
| 329 | s += self.formatweek(week, w).rstrip() |
| 330 | s += '\n' * l |
| 331 | return s |
| 332 | |
| 333 | def formatyear(self, theyear, w=2, l=1, c=6, m=3): |
| 334 | """ |
| 335 | Returns a year's calendar as a multi-line string. |
| 336 | """ |
| 337 | w = max(2, w) |
| 338 | l = max(1, l) |
| 339 | c = max(2, c) |
| 340 | colwidth = (w + 1) * 7 - 1 |
| 341 | v = [] |
| 342 | a = v.append |
| 343 | a(repr(theyear).center(colwidth*m+c*(m-1)).rstrip()) |
| 344 | a('\n'*l) |
| 345 | header = self.formatweekheader(w) |
| 346 | for (i, row) in enumerate(self.yeardays2calendar(theyear, m)): |
| 347 | # months in this row |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 348 | months = range(m*i+1, min(m*(i+1)+1, 13)) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 349 | a('\n'*l) |
| 350 | names = (self.formatmonthname(theyear, k, colwidth, False) |
| 351 | for k in months) |
| 352 | a(formatstring(names, colwidth, c).rstrip()) |
| 353 | a('\n'*l) |
| 354 | headers = (header for k in months) |
| 355 | a(formatstring(headers, colwidth, c).rstrip()) |
| 356 | a('\n'*l) |
| 357 | # max number of weeks for this row |
| 358 | height = max(len(cal) for cal in row) |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 359 | for j in range(height): |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 360 | weeks = [] |
| 361 | for cal in row: |
| 362 | if j >= len(cal): |
| 363 | weeks.append('') |
| 364 | else: |
| 365 | weeks.append(self.formatweek(cal[j], w)) |
| 366 | a(formatstring(weeks, colwidth, c).rstrip()) |
| 367 | a('\n' * l) |
| 368 | return ''.join(v) |
| 369 | |
| 370 | def pryear(self, theyear, w=0, l=0, c=6, m=3): |
| 371 | """Print a year's calendar.""" |
Guido van Rossum | be19ed7 | 2007-02-09 05:37:30 +0000 | [diff] [blame] | 372 | print(self.formatyear(theyear, w, l, c, m)) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 373 | |
| 374 | |
| 375 | class HTMLCalendar(Calendar): |
| 376 | """ |
| 377 | This calendar returns complete HTML pages. |
| 378 | """ |
| 379 | |
| 380 | # CSS classes for the day <td>s |
| 381 | cssclasses = ["mon", "tue", "wed", "thu", "fri", "sat", "sun"] |
| 382 | |
| 383 | def formatday(self, day, weekday): |
| 384 | """ |
| 385 | Return a day as a table cell. |
| 386 | """ |
| 387 | if day == 0: |
| 388 | return '<td class="noday"> </td>' # day outside month |
| 389 | else: |
| 390 | return '<td class="%s">%d</td>' % (self.cssclasses[weekday], day) |
| 391 | |
| 392 | def formatweek(self, theweek): |
| 393 | """ |
| 394 | Return a complete week as a table row. |
| 395 | """ |
| 396 | s = ''.join(self.formatday(d, wd) for (d, wd) in theweek) |
| 397 | return '<tr>%s</tr>' % s |
| 398 | |
| 399 | def formatweekday(self, day): |
| 400 | """ |
| 401 | Return a weekday name as a table header. |
| 402 | """ |
| 403 | return '<th class="%s">%s</th>' % (self.cssclasses[day], day_abbr[day]) |
| 404 | |
| 405 | def formatweekheader(self): |
| 406 | """ |
| 407 | Return a header for a week as a table row. |
| 408 | """ |
| 409 | s = ''.join(self.formatweekday(i) for i in self.iterweekdays()) |
| 410 | return '<tr>%s</tr>' % s |
| 411 | |
| 412 | def formatmonthname(self, theyear, themonth, withyear=True): |
| 413 | """ |
| 414 | Return a month name as a table row. |
| 415 | """ |
| 416 | if withyear: |
| 417 | s = '%s %s' % (month_name[themonth], theyear) |
| 418 | else: |
| 419 | s = '%s' % month_name[themonth] |
| 420 | return '<tr><th colspan="7" class="month">%s</th></tr>' % s |
| 421 | |
| 422 | def formatmonth(self, theyear, themonth, withyear=True): |
| 423 | """ |
| 424 | Return a formatted month as a table. |
| 425 | """ |
| 426 | v = [] |
| 427 | a = v.append |
| 428 | a('<table border="0" cellpadding="0" cellspacing="0" class="month">') |
| 429 | a('\n') |
| 430 | a(self.formatmonthname(theyear, themonth, withyear=withyear)) |
| 431 | a('\n') |
| 432 | a(self.formatweekheader()) |
| 433 | a('\n') |
| 434 | for week in self.monthdays2calendar(theyear, themonth): |
| 435 | a(self.formatweek(week)) |
| 436 | a('\n') |
| 437 | a('</table>') |
| 438 | a('\n') |
| 439 | return ''.join(v) |
| 440 | |
| 441 | def formatyear(self, theyear, width=3): |
| 442 | """ |
| 443 | Return a formatted year as a table of tables. |
| 444 | """ |
| 445 | v = [] |
| 446 | a = v.append |
| 447 | width = max(width, 1) |
| 448 | a('<table border="0" cellpadding="0" cellspacing="0" class="year">') |
| 449 | a('\n') |
| 450 | a('<tr><th colspan="%d" class="year">%s</th></tr>' % (width, theyear)) |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 451 | for i in range(January, January+12, width): |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 452 | # months in this row |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 453 | months = range(i, min(i+width, 13)) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 454 | a('<tr>') |
| 455 | for m in months: |
| 456 | a('<td>') |
| 457 | a(self.formatmonth(theyear, m, withyear=False)) |
| 458 | a('</td>') |
| 459 | a('</tr>') |
| 460 | a('</table>') |
| 461 | return ''.join(v) |
| 462 | |
| 463 | def formatyearpage(self, theyear, width=3, css='calendar.css', encoding=None): |
| 464 | """ |
| 465 | Return a formatted year as a complete HTML page. |
| 466 | """ |
| 467 | if encoding is None: |
| 468 | encoding = sys.getdefaultencoding() |
| 469 | v = [] |
| 470 | a = v.append |
| 471 | a('<?xml version="1.0" encoding="%s"?>\n' % encoding) |
| 472 | a('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\n') |
| 473 | a('<html>\n') |
| 474 | a('<head>\n') |
| 475 | a('<meta http-equiv="Content-Type" content="text/html; charset=%s" />\n' % encoding) |
| 476 | if css is not None: |
| 477 | a('<link rel="stylesheet" type="text/css" href="%s" />\n' % css) |
Thomas Wouters | 47b49bf | 2007-08-30 22:15:33 +0000 | [diff] [blame] | 478 | a('<title>Calendar for %d</title>\n' % theyear) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 479 | a('</head>\n') |
| 480 | a('<body>\n') |
| 481 | a(self.formatyear(theyear, width)) |
| 482 | a('</body>\n') |
| 483 | a('</html>\n') |
| 484 | return ''.join(v).encode(encoding, "xmlcharrefreplace") |
| 485 | |
| 486 | |
Georg Brandl | fd68087 | 2008-06-08 08:40:05 +0000 | [diff] [blame] | 487 | class different_locale: |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 488 | def __init__(self, locale): |
| 489 | self.locale = locale |
| 490 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 491 | def __enter__(self): |
Georg Brandl | 7004bd1 | 2010-10-19 18:54:25 +0000 | [diff] [blame] | 492 | self.oldlocale = _locale.getlocale(_locale.LC_TIME) |
| 493 | _locale.setlocale(_locale.LC_TIME, self.locale) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 494 | |
| 495 | def __exit__(self, *args): |
Christian Heimes | 96f3163 | 2007-11-12 01:32:03 +0000 | [diff] [blame] | 496 | _locale.setlocale(_locale.LC_TIME, self.oldlocale) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 497 | |
| 498 | |
| 499 | class LocaleTextCalendar(TextCalendar): |
| 500 | """ |
| 501 | This class can be passed a locale name in the constructor and will return |
| 502 | month and weekday names in the specified locale. If this locale includes |
| 503 | an encoding all strings containing month and weekday names will be returned |
| 504 | as unicode. |
| 505 | """ |
| 506 | |
| 507 | def __init__(self, firstweekday=0, locale=None): |
| 508 | TextCalendar.__init__(self, firstweekday) |
| 509 | if locale is None: |
Christian Heimes | 96f3163 | 2007-11-12 01:32:03 +0000 | [diff] [blame] | 510 | locale = _locale.getdefaultlocale() |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 511 | self.locale = locale |
| 512 | |
| 513 | def formatweekday(self, day, width): |
Georg Brandl | fd68087 | 2008-06-08 08:40:05 +0000 | [diff] [blame] | 514 | with different_locale(self.locale): |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 515 | if width >= 9: |
| 516 | names = day_name |
| 517 | else: |
| 518 | names = day_abbr |
| 519 | name = names[day] |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 520 | return name[:width].center(width) |
| 521 | |
| 522 | def formatmonthname(self, theyear, themonth, width, withyear=True): |
Georg Brandl | fd68087 | 2008-06-08 08:40:05 +0000 | [diff] [blame] | 523 | with different_locale(self.locale): |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 524 | s = month_name[themonth] |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 525 | if withyear: |
| 526 | s = "%s %r" % (s, theyear) |
| 527 | return s.center(width) |
| 528 | |
| 529 | |
| 530 | class LocaleHTMLCalendar(HTMLCalendar): |
| 531 | """ |
| 532 | This class can be passed a locale name in the constructor and will return |
| 533 | month and weekday names in the specified locale. If this locale includes |
| 534 | an encoding all strings containing month and weekday names will be returned |
| 535 | as unicode. |
| 536 | """ |
| 537 | def __init__(self, firstweekday=0, locale=None): |
| 538 | HTMLCalendar.__init__(self, firstweekday) |
| 539 | if locale is None: |
Christian Heimes | 96f3163 | 2007-11-12 01:32:03 +0000 | [diff] [blame] | 540 | locale = _locale.getdefaultlocale() |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 541 | self.locale = locale |
| 542 | |
| 543 | def formatweekday(self, day): |
Georg Brandl | fd68087 | 2008-06-08 08:40:05 +0000 | [diff] [blame] | 544 | with different_locale(self.locale): |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 545 | s = day_abbr[day] |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 546 | return '<th class="%s">%s</th>' % (self.cssclasses[day], s) |
| 547 | |
| 548 | def formatmonthname(self, theyear, themonth, withyear=True): |
Georg Brandl | fd68087 | 2008-06-08 08:40:05 +0000 | [diff] [blame] | 549 | with different_locale(self.locale): |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 550 | s = month_name[themonth] |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 551 | if withyear: |
| 552 | s = '%s %s' % (s, theyear) |
| 553 | return '<tr><th colspan="7" class="month">%s</th></tr>' % s |
| 554 | |
| 555 | |
| 556 | # Support for old module level interface |
| 557 | c = TextCalendar() |
| 558 | |
| 559 | firstweekday = c.getfirstweekday |
| 560 | |
| 561 | def setfirstweekday(firstweekday): |
| 562 | if not MONDAY <= firstweekday <= SUNDAY: |
| 563 | raise IllegalWeekdayError(firstweekday) |
| 564 | c.firstweekday = firstweekday |
| 565 | |
| 566 | monthcalendar = c.monthdayscalendar |
| 567 | prweek = c.prweek |
| 568 | week = c.formatweek |
| 569 | weekheader = c.formatweekheader |
| 570 | prmonth = c.prmonth |
| 571 | month = c.formatmonth |
| 572 | calendar = c.formatyear |
| 573 | prcal = c.pryear |
| 574 | |
| 575 | |
| 576 | # Spacing of month columns for multi-column year calendar |
Guido van Rossum | 4acc25b | 2000-02-02 15:10:15 +0000 | [diff] [blame] | 577 | _colwidth = 7*3 - 1 # Amount printed by prweek() |
Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 578 | _spacing = 6 # Number of spaces between columns |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 579 | |
Guido van Rossum | c636014 | 1990-10-13 19:23:40 +0000 | [diff] [blame] | 580 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 581 | def format(cols, colwidth=_colwidth, spacing=_spacing): |
| 582 | """Prints multi-column formatting for year calendars""" |
Guido van Rossum | be19ed7 | 2007-02-09 05:37:30 +0000 | [diff] [blame] | 583 | print(formatstring(cols, colwidth, spacing)) |
Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 584 | |
Skip Montanaro | ad3bc44 | 2000-08-30 14:01:28 +0000 | [diff] [blame] | 585 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 586 | def formatstring(cols, colwidth=_colwidth, spacing=_spacing): |
| 587 | """Returns a string formatted from n strings, centered within n columns.""" |
| 588 | spacing *= ' ' |
| 589 | return spacing.join(c.center(colwidth) for c in cols) |
| 590 | |
Guido van Rossum | b39aff8 | 1999-06-09 15:07:38 +0000 | [diff] [blame] | 591 | |
Guido van Rossum | b39aff8 | 1999-06-09 15:07:38 +0000 | [diff] [blame] | 592 | EPOCH = 1970 |
Alexander Belopolsky | 97958cf | 2010-06-14 18:33:19 +0000 | [diff] [blame] | 593 | _EPOCH_ORD = datetime.date(EPOCH, 1, 1).toordinal() |
| 594 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 595 | |
Guido van Rossum | b39aff8 | 1999-06-09 15:07:38 +0000 | [diff] [blame] | 596 | def timegm(tuple): |
Guido van Rossum | 4acc25b | 2000-02-02 15:10:15 +0000 | [diff] [blame] | 597 | """Unrelated but handy function to calculate Unix timestamp from GMT.""" |
Alexander Belopolsky | 97958cf | 2010-06-14 18:33:19 +0000 | [diff] [blame] | 598 | year, month, day, hour, minute, second = tuple[:6] |
| 599 | days = datetime.date(year, month, 1).toordinal() - _EPOCH_ORD + day - 1 |
| 600 | hours = days*24 + hour |
| 601 | minutes = hours*60 + minute |
| 602 | seconds = minutes*60 + second |
| 603 | return seconds |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 604 | |
| 605 | |
| 606 | def main(args): |
| 607 | import optparse |
| 608 | parser = optparse.OptionParser(usage="usage: %prog [options] [year [month]]") |
| 609 | parser.add_option( |
| 610 | "-w", "--width", |
| 611 | dest="width", type="int", default=2, |
| 612 | help="width of date column (default 2, text only)" |
| 613 | ) |
| 614 | parser.add_option( |
| 615 | "-l", "--lines", |
| 616 | dest="lines", type="int", default=1, |
| 617 | help="number of lines for each week (default 1, text only)" |
| 618 | ) |
| 619 | parser.add_option( |
| 620 | "-s", "--spacing", |
| 621 | dest="spacing", type="int", default=6, |
| 622 | help="spacing between months (default 6, text only)" |
| 623 | ) |
| 624 | parser.add_option( |
| 625 | "-m", "--months", |
| 626 | dest="months", type="int", default=3, |
| 627 | help="months per row (default 3, text only)" |
| 628 | ) |
| 629 | parser.add_option( |
| 630 | "-c", "--css", |
| 631 | dest="css", default="calendar.css", |
| 632 | help="CSS to use for page (html only)" |
| 633 | ) |
| 634 | parser.add_option( |
| 635 | "-L", "--locale", |
| 636 | dest="locale", default=None, |
| 637 | help="locale to be used from month and weekday names" |
| 638 | ) |
| 639 | parser.add_option( |
| 640 | "-e", "--encoding", |
| 641 | dest="encoding", default=None, |
Senthil Kumaran | 962fed9 | 2011-08-11 09:22:52 +0800 | [diff] [blame] | 642 | help="Encoding to use for output." |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 643 | ) |
| 644 | parser.add_option( |
| 645 | "-t", "--type", |
| 646 | dest="type", default="text", |
| 647 | choices=("text", "html"), |
| 648 | help="output type (text or html)" |
| 649 | ) |
| 650 | |
| 651 | (options, args) = parser.parse_args(args) |
| 652 | |
| 653 | if options.locale and not options.encoding: |
| 654 | parser.error("if --locale is specified --encoding is required") |
| 655 | sys.exit(1) |
| 656 | |
Christian Heimes | 96f3163 | 2007-11-12 01:32:03 +0000 | [diff] [blame] | 657 | locale = options.locale, options.encoding |
| 658 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 659 | if options.type == "html": |
| 660 | if options.locale: |
Christian Heimes | 96f3163 | 2007-11-12 01:32:03 +0000 | [diff] [blame] | 661 | cal = LocaleHTMLCalendar(locale=locale) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 662 | else: |
| 663 | cal = HTMLCalendar() |
| 664 | encoding = options.encoding |
| 665 | if encoding is None: |
| 666 | encoding = sys.getdefaultencoding() |
| 667 | optdict = dict(encoding=encoding, css=options.css) |
Senthil Kumaran | 962fed9 | 2011-08-11 09:22:52 +0800 | [diff] [blame] | 668 | write = sys.stdout.buffer.write |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 669 | if len(args) == 1: |
Senthil Kumaran | 962fed9 | 2011-08-11 09:22:52 +0800 | [diff] [blame] | 670 | write(cal.formatyearpage(datetime.date.today().year, **optdict)) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 671 | elif len(args) == 2: |
Senthil Kumaran | 962fed9 | 2011-08-11 09:22:52 +0800 | [diff] [blame] | 672 | write(cal.formatyearpage(int(args[1]), **optdict)) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 673 | else: |
| 674 | parser.error("incorrect number of arguments") |
| 675 | sys.exit(1) |
| 676 | else: |
| 677 | if options.locale: |
Christian Heimes | 96f3163 | 2007-11-12 01:32:03 +0000 | [diff] [blame] | 678 | cal = LocaleTextCalendar(locale=locale) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 679 | else: |
| 680 | cal = TextCalendar() |
| 681 | optdict = dict(w=options.width, l=options.lines) |
| 682 | if len(args) != 3: |
| 683 | optdict["c"] = options.spacing |
| 684 | optdict["m"] = options.months |
| 685 | if len(args) == 1: |
| 686 | result = cal.formatyear(datetime.date.today().year, **optdict) |
| 687 | elif len(args) == 2: |
| 688 | result = cal.formatyear(int(args[1]), **optdict) |
| 689 | elif len(args) == 3: |
| 690 | result = cal.formatmonth(int(args[1]), int(args[2]), **optdict) |
| 691 | else: |
| 692 | parser.error("incorrect number of arguments") |
| 693 | sys.exit(1) |
Senthil Kumaran | 962fed9 | 2011-08-11 09:22:52 +0800 | [diff] [blame] | 694 | write = sys.stdout.write |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 695 | if options.encoding: |
| 696 | result = result.encode(options.encoding) |
Senthil Kumaran | 962fed9 | 2011-08-11 09:22:52 +0800 | [diff] [blame] | 697 | write = sys.stdout.buffer.write |
| 698 | write(result) |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 699 | |
| 700 | |
| 701 | if __name__ == "__main__": |
| 702 | main(sys.argv) |