[Checkins] SVN: z3c.recipe.usercrontab/trunk/src/z3c/recipe/usercrontab/usercrontab.py regex is now verbose. I actually understand it now :-)
Reinout van Rees
reinout at vanrees.org
Mon Jun 15 06:16:11 EDT 2009
Log message for revision 100964:
regex is now verbose. I actually understand it now :-)
Changed:
U z3c.recipe.usercrontab/trunk/src/z3c/recipe/usercrontab/usercrontab.py
-=-
Modified: z3c.recipe.usercrontab/trunk/src/z3c/recipe/usercrontab/usercrontab.py
===================================================================
--- z3c.recipe.usercrontab/trunk/src/z3c/recipe/usercrontab/usercrontab.py 2009-06-15 10:14:26 UTC (rev 100963)
+++ z3c.recipe.usercrontab/trunk/src/z3c/recipe/usercrontab/usercrontab.py 2009-06-15 10:16:10 UTC (rev 100964)
@@ -49,9 +49,30 @@
return True
-env_re = re.compile(r'^("[^"]*"|\'[^\']*\'|[^\s]+)\s*='
- '\s*("[^"]*"|\'[^\']*\'|[^"\']+)?[^\s]*$')
+env_re = re.compile(
+ r'''
+ ^ # Start of line
+ ( # begin first group
+ "[^"]*" # something enclosed in double quotes
+ |\'[^\']*\' # OR something enclosed in single quotes
+ |[^\s]+ # OR some non-space-containing string
+ ) # end first group
+ \s*=\s* # "=" surrounded by spaces
+
+ ( # start second group
+ "[^"]*" # something enclosed in double quotes
+ |\'[^\']*\' # OR something enclosed in single quotes
+ |[^"\']+ # OR something that does not have quotes
+ )? # end of *optional* second group
+
+ [^\s]* # trailing whitespace
+ $ # end of line
+ ''',
+ re.VERBOSE)
+
+
+
defaultreadcrontab = "crontab -l"
defaultwritecrontab = "crontab -"
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