[Zope-Checkins] CVS: Zope3/lib/python/Zope/Misc - DateTimeParse.py:1.1.2.3

[Martijn Pieters]

Update of /cvs-repository/Zope3/lib/python/Zope/Misc
In directory cvs.zope.org:/tmp/cvs-serv14206/Misc

Modified Files:
      Tag: Zope-3x-branch
	DateTimeParse.py 
Log Message:
Optimizations and code style updates:

  - Use isinstance on type checks

  - Test UnicodeType and StringType through StringTypes

  - Remove use of the string module

  - Use startswith and endswith instead of slices.

  - Fix weird tests where isinstance suffices.


=== Zope3/lib/python/Zope/Misc/DateTimeParse.py 1.1.2.2 => 1.1.2.3 ===
     
 import re, math, DateTimeZone
-from types import StringType, UnicodeType
+from types import StringTypes
 from time import \
      time as _time, gmtime, localtime, strftime, daylight, timezone, altzone
 try: from time import tzname
@@ -460,7 +460,7 @@
         will raise a DateError, while invalid time or timezone components
         will raise a DateTimeError. 
         """
-        if type(arg) not in (StringType,UnicodeType):
+        if not isinstance(arg, StringTypes):
             raise TypeError, 'Expected a string argument'
 
         if not arg: