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-rw-r--r--Lib/difflib.py35
1 files changed, 19 insertions, 16 deletions
diff --git a/Lib/difflib.py b/Lib/difflib.py
index b43dc97..3cc5f6b 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -1161,18 +1161,18 @@ def unified_diff(a, b, fromfile='', tofile='', fromfiledate='',
The unidiff format normally has a header for filenames and modification
times. Any or all of these may be specified using strings for
- 'fromfile', 'tofile', 'fromfiledate', and 'tofiledate'. The modification
- times are normally expressed in the format returned by time.ctime().
+ 'fromfile', 'tofile', 'fromfiledate', and 'tofiledate'.
+ The modification times are normally expressed in the ISO 8601 format.
Example:
>>> for line in unified_diff('one two three four'.split(),
... 'zero one tree four'.split(), 'Original', 'Current',
- ... 'Sat Jan 26 23:30:50 1991', 'Fri Jun 06 10:20:52 2003',
+ ... '2005-01-26 23:30:50', '2010-04-02 10:20:52',
... lineterm=''):
- ... print line
- --- Original Sat Jan 26 23:30:50 1991
- +++ Current Fri Jun 06 10:20:52 2003
+ ... print line # doctest: +NORMALIZE_WHITESPACE
+ --- Original 2005-01-26 23:30:50
+ +++ Current 2010-04-02 10:20:52
@@ -1,4 +1,4 @@
+zero
one
@@ -1185,8 +1185,10 @@ def unified_diff(a, b, fromfile='', tofile='', fromfiledate='',
started = False
for group in SequenceMatcher(None,a,b).get_grouped_opcodes(n):
if not started:
- yield '--- %s %s%s' % (fromfile, fromfiledate, lineterm)
- yield '+++ %s %s%s' % (tofile, tofiledate, lineterm)
+ fromdate = '\t%s' % fromfiledate if fromfiledate else ''
+ todate = '\t%s' % tofiledate if tofiledate else ''
+ yield '--- %s%s%s' % (fromfile, fromdate, lineterm)
+ yield '+++ %s%s%s' % (tofile, todate, lineterm)
started = True
i1, i2, j1, j2 = group[0][1], group[-1][2], group[0][3], group[-1][4]
yield "@@ -%d,%d +%d,%d @@%s" % (i1+1, i2-i1, j1+1, j2-j1, lineterm)
@@ -1224,16 +1226,15 @@ def context_diff(a, b, fromfile='', tofile='',
The context diff format normally has a header for filenames and
modification times. Any or all of these may be specified using
strings for 'fromfile', 'tofile', 'fromfiledate', and 'tofiledate'.
- The modification times are normally expressed in the format returned
- by time.ctime(). If not specified, the strings default to blanks.
+ The modification times are normally expressed in the ISO 8601 format.
+ If not specified, the strings default to blanks.
Example:
>>> print ''.join(context_diff('one\ntwo\nthree\nfour\n'.splitlines(1),
- ... 'zero\none\ntree\nfour\n'.splitlines(1), 'Original', 'Current',
- ... 'Sat Jan 26 23:30:50 1991', 'Fri Jun 06 10:22:46 2003')),
- *** Original Sat Jan 26 23:30:50 1991
- --- Current Fri Jun 06 10:22:46 2003
+ ... 'zero\none\ntree\nfour\n'.splitlines(1), 'Original', 'Current')),
+ *** Original
+ --- Current
***************
*** 1,4 ****
one
@@ -1251,8 +1252,10 @@ def context_diff(a, b, fromfile='', tofile='',
prefixmap = {'insert':'+ ', 'delete':'- ', 'replace':'! ', 'equal':' '}
for group in SequenceMatcher(None,a,b).get_grouped_opcodes(n):
if not started:
- yield '*** %s %s%s' % (fromfile, fromfiledate, lineterm)
- yield '--- %s %s%s' % (tofile, tofiledate, lineterm)
+ fromdate = '\t%s' % fromfiledate if fromfiledate else ''
+ todate = '\t%s' % tofiledate if tofiledate else ''
+ yield '*** %s%s%s' % (fromfile, fromdate, lineterm)
+ yield '--- %s%s%s' % (tofile, todate, lineterm)
started = True
yield '***************%s' % (lineterm,)