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svn+ssh://pythondev@svn.python.org/python/branches/p3yk
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r56127 | georg.brandl | 2007-06-30 09:32:49 +0200 (Sat, 30 Jun 2007) | 2 lines
Fix a place where floor division would be in order.
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r56135 | guido.van.rossum | 2007-07-01 06:13:54 +0200 (Sun, 01 Jul 2007) | 28 lines
Make map() and filter() identical to itertools.imap() and .ifilter(),
respectively.
I fixed two bootstrap issues, due to the dynamic import of itertools:
1. Starting python requires that map() and filter() are not used until
site.py has added build/lib.<arch> to sys.path.
2. Building python requires that setup.py and distutils and everything
they use is free of map() and filter() calls.
Beyond this, I only fixed the tests in test_builtin.py.
Others, please help fixing the remaining tests that are now broken!
The fixes are usually simple:
a. map(None, X) -> list(X)
b. map(F, X) -> list(map(F, X))
c. map(lambda x: F(x), X) -> [F(x) for x in X]
d. filter(F, X) -> list(filter(F, X))
e. filter(lambda x: P(x), X) -> [x for x in X if P(x)]
Someone, please also contribute a fixer for 2to3 to do this.
It can leave map()/filter() calls alone that are already
inside a list() or sorted() call or for-loop.
Only in rare cases have I seen code that depends on map() of lists
of different lengths going to the end of the longest, or on filter()
of a string or tuple returning an object of the same type; these
will need more thought to fix.
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r56136 | guido.van.rossum | 2007-07-01 06:22:01 +0200 (Sun, 01 Jul 2007) | 3 lines
Make it so that test_decimal fails instead of hangs, to help automated
test runners.
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r56139 | georg.brandl | 2007-07-01 18:20:58 +0200 (Sun, 01 Jul 2007) | 2 lines
Fix a few test cases after the map->imap change.
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r56142 | neal.norwitz | 2007-07-02 06:38:12 +0200 (Mon, 02 Jul 2007) | 1 line
Get a bunch more tests passing after converting map/filter to return iterators.
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r56147 | guido.van.rossum | 2007-07-02 15:32:02 +0200 (Mon, 02 Jul 2007) | 4 lines
Fix the remaining failing unit tests (at least on OSX).
Also tweaked urllib2 so it doesn't raise socket.gaierror when
all network interfaces are turned off.
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and .keys(), .items(), .values() return dict views.
The dict views aren't fully functional yet; in particular, they can't
be compared to sets yet. but they are useful as "iterator wells".
There are still 27 failing unit tests; I expect that many of these
have fairly trivial fixes, but there are so many, I could use help.
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There's one major and one minor category still unfixed:
doctests are the major category (and I hope to be able to augment the
refactoring tool to refactor bona fide doctests soon);
other code generating print statements in strings is the minor category.
(Oh, and I don't know if the compiler package works.)
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(a) "except E, V" -> "except E as V"
(b) V is now limited to a simple name (local variable)
(c) V is now deleted at the end of the except block
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* Changed variable name from 'list' to 'flist'.
* Replaced "while 1" with "while True".
* Replaced if/elif/elif/elif structure with a shorter and
faster dispatch dictionary that maps attrs to methods.
* Simplified and sped comparison logic by using
ifilter, ifilterfalse, and dict.fromkeys.
* Used True and False rather than 1 and 0.
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Fix use of GetoptError, so demo() now works
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Simply replace all uses of statcache with os.stat.
Should I add a DeprecationWarning triggered if the use_statcache argument
is supplied, so we can remove it in 2.4?
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Use != instead of <> since <> is documented as "obsolescent".
Use "is" and "is not" when comparing with None or type objects.
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Fixed definition of _cmp.
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and defaults as for filecmp.cmp(). Updated docstring
accordingly, and formatted it more like others in the standard
library.
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accidentally wiped out by Ping's patch (which shouldn't have affected
this file at all, had Ping done a cvs update).
This checkin restores Gordon's version, with Fredrik's change merged
back in.
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The new filecmp module has an optional argument called use_statcache
which is documented as a true/false value, but used as an tuple index.
This patches replaces the tuple stuff with a good old if- statement,
and also removes a few other tuple pack/unpack constructs (if not
else, this saves a few bytes in the PYC file, and a few microseconds
when using the module ;-).
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who writes:
Here is batch 2, as a big collection of CVS context diffs.
Along with moving comments into docstrings, i've added a
couple of missing docstrings and attempted to make sure more
module docstrings begin with a one-line summary.
I did not add docstrings to the methods in profile.py for
fear of upsetting any careful optimizations there, though
i did move class documentation into class docstrings.
The convention i'm using is to leave credits/version/copyright
type of stuff in # comments, and move the rest of the descriptive
stuff about module usage into module docstrings. Hope this is
okay.
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# combo of old cmp, cmpcache and dircmp with redundancies removed
#
# bugs fixed:
# dircmp.dircmp was not ignoring IGNORES
# old stuff could falsely report files as "identical" when contents actually differed
#
# enhancements:
# dircmp has a more straightforward interface
#cmp enhanced by Moshe Zadca
#dircmp enhanced byGordon McMillan
[some layout changes by GvR]
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functionality of cmp.py and cmpcache.py, which are hereby declared
obsolescent.
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