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* Added tests to ensure that timetz comparison, and datetimetzTim Peters2002-12-261-9/+67
| | | | | | | | | | | subtraction, work as documented. In the Python implementation, they weren't calling utcoffset() if both operands had the same tzinfo object. That's fine if it so happens that the shared tzinfo object returns a fixed offset (independent of operand), but can give wrong results if that's not so, and the latter obtains in a tzinfo subclass instance trying to model both standard and daylight times. The C implementation was already doing this "correctly", so we're just adding tests to verify it.
* Implemented datetime.astimezone() and datetimetz.astimezone().Tim Peters2002-12-251-0/+53
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* Whitespace normalization.Tim Peters2002-12-241-1/+1
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* Implemented .replace() methods for date, datetime, datetimetz, time andTim Peters2002-12-241-0/+150
| | | | timetz.
* I give up: unless I write my own strftime by hand, datetime just can'tTim Peters2002-12-221-0/+6
| | | | | | be trusted with years before 1900, so now we raise ValueError if a date or datetime or datetimetz .strftime() method is called with a year before 1900.
* Implemented a Wiki suggestion:Tim Peters2002-12-221-71/+118
| | | | | | | | | | | | {timetz,datetimetz}.{utcoffset,dst}() now return a timedelta (or None) instead of an int (or None). tzinfo.{utcoffset,dst)() can now return a timedelta (or an int, or None). Curiously, this was much easier to do in the C implementation than in the Python implementation (which lives in the Zope3 code tree) -- the C code already had lots of hair to extract C ints from offset objects, and used C ints internally.
* Added test to ensure that non-string result from dst() raises TypeError.Tim Peters2002-12-211-0/+6
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* Changes sufficient so that pickles written by the Python implementationTim Peters2002-12-211-9/+15
| | | | can be read by the C implementation. I don't really understand this.
* format_utcoffset(): The natural type of the buflen arg is size_t, soTim Peters2002-12-201-9/+16
| | | | | | | | | | used that. wrap_strftime(): Removed the most irritating uses of buf. TestDate.test_ordinal_conversions(): The C implementation is fast enough that we can afford to check the endpoints of every year. Also added tm_yday tests at the endpoints.
* Made this a little more compatible w/ the sandbox version, which isTim Peters2002-12-161-2/+2
| | | | still needed to test the Python implementatino.
* datetime escapes the sandbox. The Windows build is all set. I leave itTim Peters2002-12-161-0/+2128
to others to argue about how to build it on other platforms (on Windows it's in its own DLL).
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