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30 commits

Author SHA1 Message Date
Gustavo Niemeyer
548148810b Patch #1413711: Certain patterns of differences were making difflib 
touch the recursion limit. The applied patch inlines the recursive
__helper method in a non-recursive way.
 2006-01-31 18:34:13 +00:00
Georg Brandl
7eb4b7d177 Fix all wrong instances of "it's". 2005-07-22 21:49:32 +00:00
Tim Peters
0ca0c64409 SF bug 1054821: difflib HtmlDiff() extra space on inserted 1 character lines 
Simple correction from the code's author (Dan Gass).
 2004-11-12 16:12:15 +00:00
Andrew M. Kuchling
55be9eab38 Typo fix: 'comparisions' is not a word 2004-09-10 12:59:54 +00:00
Tim Peters
48bd7f3a71 Whitespace normalization. test_difflib passes again. 2004-08-29 22:38:38 +00:00
Tim Peters
afb5f94217 Reverting whitespace normalization. test_difflib fails with it -- the 
test depends on invisible trailing whitespace in .py files.  The author will
have to repair that.
 2004-08-29 19:33:36 +00:00
Tim Peters
45e77c55ff Whitespace normalization. 2004-08-29 18:47:31 +00:00
Martin v. Löwis
e064b41f5a Patch #914575: difflib side by side diff support, diff.py s/b/s HTML option. 2004-08-29 16:34:40 +00:00
Tim Peters
bcc95cb7cb Repair typo in docstring. 2004-07-31 00:19:43 +00:00
Brett Cannon
d2c5b4b549 SequenceMatcher(None, [], []).get_grouped_opcodes() now returns a generator 
that behaves as if both lists has an empty string in each of them.

Closes bug #979794 (and duplicate bug #980117).
 2004-07-10 23:54:07 +00:00
Raymond Hettinger
aefde435ef Reverse argument order for nsmallest() and nlargest(). 
Reads better when the iterable is a generator expression.
 2004-06-15 23:53:35 +00:00
Raymond Hettinger
bb6b7346ce Apply heapq.nlargest() to find best matches. 2004-06-13 09:57:33 +00:00
Walter Dörwald
70a6b49821 Replace backticks with repr() or "%r" 
From SF patch #852334.
 2004-02-12 17:35:32 +00:00
Raymond Hettinger
6b59f5f3fd Let library modules use the new keyword arguments for list.sort(). 2003-10-16 05:53:16 +00:00
Raymond Hettinger
83325e9087 Fix faulty doctests. There is no results attribute. 
Note, these tests were not getting exercised because
doctest skips over private functions.
 2003-07-16 04:32:32 +00:00
Neal Norwitz
e7dfe21bed Fix SF bug #763023, difflib.py: ratio() zero division not caught 
Backport candidate
 2003-07-01 14:59:46 +00:00
Raymond Hettinger
0887c732e7 Fix docstring 2003-06-17 16:53:25 +00:00
Raymond Hettinger
7f2d302a16 For the context and unified diff functions: 
* Simplified test for visible changes
* Improved variable names and line spacing
* Replaced dict(a=3) style with Py2.2 compatable {'a':3}
 2003-06-08 19:38:42 +00:00
Raymond Hettinger
f0b1a1fca9 Added functions for creating context diffs and unified diffs. 
Documentation update and NEWS item are forthcoming.
 2003-06-08 11:07:08 +00:00
Raymond Hettinger
39f02f98f5 Added missing names to __all__. 2002-10-30 06:09:58 +00:00
Raymond Hettinger
54f0222547 SF 563203. Replaced 'has_key()' with 'in'. 2002-06-01 14:18:47 +00:00
Tim Peters
81b9251d59 Mostly in SequenceMatcher.{__chain_b, find_longest_match}: 
This now does a dynamic analysis of which elements are so frequently
repeated as to constitute noise.  The primary benefit is an enormous
speedup in find_longest_match, as the innermost loop can have factors
of 100s less potential matches to worry about, in cases where the
sequences have many duplicate elements.  In effect, this zooms in on
sequences of non-ubiquitous elements now.

While I like what I've seen of the effects so far, I still consider
this experimental.  Please give it a try!
 2002-04-29 01:37:32 +00:00
Guido van Rossum
77f6a65eb0 Add the 'bool' type and its values 'False' and 'True', as described in 
PEP 285.  Everything described in the PEP is here, and there is even
some documentation.  I had to fix 12 unit tests; all but one of these
were printing Boolean outcomes that changed from 0/1 to False/True.
(The exception is test_unicode.py, which did a type(x) == type(y)
style comparison.  I could've fixed that with a single line using
issubtype(x, type(y)), but instead chose to be explicit about those
places where a bool is expected.

Still to do: perhaps more documentation; change standard library
modules to return False/True from predicates.
 2002-04-03 22:41:51 +00:00
Tim Peters
496563a514 Remove some now-obsolete generator future statements. 
I left the email pkg alone; I'm not sure how Barry would like to handle
that.
 2002-04-01 00:28:59 +00:00
Tim Peters
527e64fd68 Whitespace normalization. 2001-10-04 05:36:56 +00:00
Tim Peters
8a9c284437 Make difflib.ndiff() and difflib.Differ.compare() generators. This 
restores the 2.1 ability of Tools/scripts/ndiff.py to start producing
output before the entire comparison is complete.
 2001-09-22 21:30:22 +00:00
Tim Peters
5e824c37d3 SF patch #445412 extract ndiff functionality to difflib, from 
David Goodger.
 2001-08-12 22:25:01 +00:00
Tim Peters
754ba589b7 Improve accuracy. In the .tex file, note the new "% BUG:" comments: an 
extra backslash is getting displayed in the generated HTML.
 2001-02-20 11:24:35 +00:00
Fred Drake
f1da6287fc Fix a few small typos in the docstrings. 
get_close_matches():  Do not use %-interpolation for strings when
    concatenation is more efficient.
 2001-02-19 19:30:05 +00:00
Tim Peters
9ae2148ada Moved SequenceMatcher from ndiff into new std library module difflib.py. 
Guido told me to do this <wink>.
Greatly expanded docstrings, and fleshed out with examples.
New std test.
Added new get_close_matches() function for ESR.
Needs docs, but LaTeXification of the module docstring is all it needs.
\CVS: ----------------------------------------------------------------------
 2001-02-10 08:00:53 +00:00