| Commit message (Collapse) | Author | Age | Files | Lines |
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doesn't use the special header file for select anymore.
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has a few slightly different calls from the old one.
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the change to regrtest.py to unload all newly imported modules did
something bad to the threads -- and I realized that they would never
stop!
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This uses the same precautions when trying to find a temporary
directory as when the actual tempfile is created (using O_CREAT and
O_EXCL). On non-posix platforms, nothing is changed.
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Extensions:Imaging, which now drops its resulting .slb into the PlugIns folder.
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The fix also adds support for POSTing to an https URL
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means that building a nonthreaded PythonCore will now require massaging of the .exp.
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of the current mac webservers.
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pointer to his W documentation.
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added 'abspath()' and 'extend()'.
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exceptions better.
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errors in the setup script or on the command line, so shouldn't result
in a traceback.
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'make_archive()' to a global static dictionary, ARCHIVE_FORMATS.
Added 'check_archive_formats()', which obviously makes good use of
this dictionary.
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and the other "composite meta-data" methods.
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after each test has been run. This avoids excessive memory growth
during the tests.
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* Base address for all extension modules updated. PC\dllbase_nt.txt
also updated. Erroneous "libpath" directory removed for all
projects.
* winsound module moved from a builtin module to an extension
module. This was done primarily to avoid Python16.dll needing to
pull in winmm.dll. Really dumb test added for winsound - but if
nothing else it ensures the module imports.
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* Temp directory for all projects are now specific to the project
(rather than common as before). This avoids any conflicts with
debug symbols or common file names etc.
NOTE: You should manually delete your existing build directory after
applying this patch, as the MSVC "clean" command will now only clean
the new temporary directories - not the existing common temp
directory.
* Base address for all extension modules updated. PC\dllbase_nt.txt
also updated. Erroneous "libpath" directory removed for all
projects.
* winsound module moved from a builtin module to an extension
module. This was done primarily to avoid Python16.dll needing to
pull in winmm.dll. Really dumb test added for winsound - but if
nothing else it ensures the module imports.
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"""
Running "test_extcall" repeatedly results in memory leaks.
One of these can't be fixed (at least not easily!), it happens since
this code:
def saboteur(**kw):
kw['x'] = locals()
d = {}
saboteur(a=1, **d)
creates a circular reference - d['x']['d']==d
The others are due to some missing decrefs in ceval.c, fixed by the
patch attached below.
Note: I originally wrote this without the "goto", just adding the
missing decref's where needed. But I think the goto is justified in
keeping the executable code size of ceval as small as possible.
"""
[I think the circular reference is more like kw['x']['kw'] == kw. --GvR]
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_PyTuple_Resize(). In addition, a change suggested by Jeremy Hylton
to limit the size of the free lists is also merged into this patch.
Charles wrote initially:
"""
Test Case: run the following code:
class Nothing:
def __len__(self):
return 5
def __getitem__(self, i):
if i < 3:
return i
else:
raise IndexError, i
def g(a,*b,**c):
return
for x in xrange(1000000):
g(*Nothing())
and watch Python's memory use go up and up.
Diagnosis:
The analysis begins with the call to PySequence_Tuple at line 1641 in
ceval.c - the argument to g is seen to be a sequence but not a tuple,
so it needs to be converted from an abstract sequence to a concrete
tuple. PySequence_Tuple starts off by creating a new tuple of length
5 (line 1122 in abstract.c). Then at line 1149, since only 3 elements
were assigned, _PyTuple_Resize is called to make the 5-tuple into a
3-tuple. When we're all done the 3-tuple is decrefed, but rather than
being freed it is placed on the free_tuples cache.
The basic problem is that the 3-tuples are being added to the cache
but never picked up again, since _PyTuple_Resize doesn't make use of
the free_tuples cache. If you are resizing a 5-tuple to a 3-tuple and
there is already a 3-tuple in free_tuples[3], instead of using this
tuple, _PyTuple_Resize will realloc the 5-tuple to a 3-tuple. It
would more efficient to use the existing 3-tuple and cache the
5-tuple.
By making _PyTuple_Resize aware of the free_tuples (just as
PyTuple_New), we not only save a few calls to realloc, but also
prevent this misbehavior whereby tuples are being added to the
free_tuples list but never properly "recycled".
"""
And later:
"""
This patch replaces my submission of Sun, 16 Apr and addresses Jeremy
Hylton's suggestions that we also limit the size of the free tuple
list. I chose 2000 as the maximum number of tuples of any particular
size to save.
There was also a problem with the previous version of this patch
causing a core dump if Python was built with Py_TRACE_REFS. This is
fixed in the below version of the patch, which uses tupledealloc
instead of _Py_Dealloc.
"""
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"""
In the course of debugging this I also saw that cPickle is
inconsistent with pickle - if you attempt a pickle.load or pickle.dump
on a closed file, you get a ValueError, whereas the corresponding
cPickle operations give an IOError. Since cPickle is advertised as
being compatible with pickle, I changed these exceptions to match.
"""
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"""
Problem description:
Run the following script:
import test.test_cpickle
for x in xrange(1000000):
reload(test.test_cpickle)
Watch Python's memory use go up up and away!
In the course of debugging this I also saw that cPickle is
inconsistent with pickle - if you attempt a pickle.load or pickle.dump
on a closed file, you get a ValueError, whereas the corresponding
cPickle operations give an IOError. Since cPickle is advertised as
being compatible with pickle, I changed these exceptions to match.
"""
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Windows), soclose (on OS2), or to close (everywhere else).
Hopefully this fixes a new compilation error that I suddenly get on
Windows because the macro definition for close -> closesocket
apparently was done before including io.h, which contains a prototype
for close. (No idea why this wasn't an error before.)
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backslash from the pathname argument to stat() on Windows -- while on
Unix, stat("/bin/") succeeds and does the same thing as stat("/bin"),
on Windows, stat("\\windows\\") fails while stat("\\windows") succeeds.
This modified version of the patch recognizes both / and \.
(This is odd behavior of the MS C library, since
os.listdir("\\windows\\") succeeds!)
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object, rather than through the distribution itself (since I moved the meta-
data out to a DistributionMetadata instance).
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manifest template.
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for all commands except 'prune' and 'graft'.
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and now actually works.
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