Revision: 6500
Author: russblau
Date: 2009-03-08 11:55:20 +0000 (Sun, 08 Mar 2009)
Log Message:
-----------
Add a class for handling timestamp conversions, in place of functions.
Modified Paths:
--------------
branches/rewrite/pywikibot/__init__.py
branches/rewrite/pywikibot/data/logentries.py
branches/rewrite/pywikibot/date.py
branches/rewrite/pywikibot/site.py
Modified: branches/rewrite/pywikibot/__init__.py
===================================================================
--- branches/rewrite/pywikibot/__init__.py 2009-03-08 09:12:46 UTC (rev
6499)
+++ branches/rewrite/pywikibot/__init__.py 2009-03-08 11:55:20 UTC (rev
6500)
@@ -9,6 +9,7 @@
#
__version__ = '$Id$'
+import datetime
import difflib
import logging
import re
@@ -22,6 +23,56 @@
logging.basicConfig(fmt="%(message)s")
+class Timestamp(datetime.datetime):
+ """Class for handling Mediawiki timestamps.
+
+ This inherits from datetime.datetime, so it can use all of the methods
+ and operations of a datetime object. To ensure that the results of any
+ operation are also a Timestamp object, be sure to use only Timestamp
+ objects (and datetime.timedeltas) in any operation.
+
+ Use Timestamp.fromISOformat() and Timestamp.fromtimestampformat() to
+ create Timestamp objects from Mediawiki string formats.
+
+ Use Timestamp.utcnow() [not .now()] for the current time.
+
+ """
+ mediawikiTSFormat = "%Y%m%d%H%M%S"
+ ISO8601Format = "%Y-%m-%dT%H:%M:%SZ"
+
+ @classmethod
+ def fromISOformat(cls, ts):
+ """Convert an ISO 8601 timestamp to a Timestamp object."""
+ return cls.strptime(ts, cls.ISO8601Format)
+
+ @classmethod
+ def fromtimestampformat(cls, ts):
+ """Convert the internal MediaWiki timestamp format to a Timestamp
object."""
+ return cls.strptime(ts, cls.mediawikiTSFormat)
+
+ def __str__(self):
+ """Return a string format recognized by the API"""
+ return self.strftime(self.ISO8601Format)
+
+ def __add__(self, other):
+ newdt = datetime.datetime.__add__(self, other)
+ if isinstance(newdt, datetime.datetime):
+ return Timestamp(newdt.year, newdt.month, newdt.day, newdt.hour,
+ newdt.minute, newdt.second, newdt.microsecond,
+ newdt.tzinfo)
+ else:
+ return newdt
+
+ def __sub__(self, other):
+ newdt = datetime.datetime.__sub__(self, other)
+ if isinstance(newdt, datetime.datetime):
+ return Timestamp(newdt.year, newdt.month, newdt.day, newdt.hour,
+ newdt.minute, newdt.second, newdt.microsecond,
+ newdt.tzinfo)
+ else:
+ return newdt
+
+
def deprecated(instead=None):
"""Decorator to output a method deprecation warning.
Modified: branches/rewrite/pywikibot/data/logentries.py
===================================================================
--- branches/rewrite/pywikibot/data/logentries.py 2009-03-08 09:12:46 UTC
(rev 6499)
+++ branches/rewrite/pywikibot/data/logentries.py 2009-03-08 11:55:20 UTC
(rev 6500)
@@ -67,9 +67,10 @@
return self.data['user']
def timestamp(self):
- """datetime object corresponding to event timestamp"""
+ """Timestamp object corresponding to event timestamp"""
if not hasattr(self, '_timestamp'):
- self._timestamp = date.ISO2datetime(self.data['timestamp'])
+ self._timestamp = pywikibot.Timestamp.fromISOformat(
+ self.data['timestamp'])
return self._timestamp
def comment(self):
@@ -138,12 +139,13 @@
def expiry(self):
"""
- Returns a datetime.datetime representing the block expiry date
+ Returns a Timestamp representing the block expiry date
Raises an Error if the entry is an unblocking log entry
"""
if hasattr(self, '_expiry'):
return self._expiry
- self._expiry = date.ISO2datetime(self._getBlockDetails()['expiry'])
+ self._expiry = pywikibot.Timestamp.fromISOformat(
+ self._getBlockDetails()['expiry'])
return self._expiry
class ProtectEntry(LogEntry):
Modified: branches/rewrite/pywikibot/date.py
===================================================================
--- branches/rewrite/pywikibot/date.py 2009-03-08 09:12:46 UTC (rev 6499)
+++ branches/rewrite/pywikibot/date.py 2009-03-08 11:55:20 UTC (rev 6500)
@@ -1509,19 +1509,6 @@
else:
return formats['YearAD'][lang](year)
-mediawikiTSFormat = "%Y%m%d%H%M%S"
-ISO8601Format = "%Y-%m-%dT%H:%M:%SZ"
-def timestamp2datetime(ts):
- from datetime import datetime
- return datetime.strptime(ts, mediawikiTSFormat)
-
-def datetime2timestamp(dt):
- return dt.strftime(mediawikiTSFormat)
-
-def ISO2datetime(ts):
- from datetime import datetime
- return datetime.strptime(ts, ISO8601Format)
-
#
#
# Map testing methods
Modified: branches/rewrite/pywikibot/site.py
===================================================================
--- branches/rewrite/pywikibot/site.py 2009-03-08 09:12:46 UTC (rev 6499)
+++ branches/rewrite/pywikibot/site.py 2009-03-08 11:55:20 UTC (rev 6500)
@@ -790,10 +790,9 @@
return re.search('\d+', result['parse']['text']['*']).group()
def getcurrenttime(self):
- """Returns a datetime object representing server time"""
+ """Returns a Timestamp object representing server time"""
ts = self.getcurrenttimestamp()
- from date import timestamp2datetime
- return timestamp2datetime(ts)
+ return pywikibot.Timestamp.fromtimestampformat(ts)
def _getsiteinfo(self):
"""Retrieve siteinfo and namespaces from site."""
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