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http://mail.python.org/pipermail/python-dev/2008-June/079988.html
Python 2.6 should stick with PyString_* in its codebase. The PyBytes_* names
in the spirit of 3.0 are available via a #define only. See the email thread.
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Probably should be backported.
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don't understand how this function works, also beefed up the docs. The
most common usage error is of this form (often spread out across gotos):
if (_PyString_Resize(&s, n) < 0) {
Py_DECREF(s);
s = NULL;
goto outtahere;
}
The error is that if _PyString_Resize runs out of memory, it automatically
decrefs the input string object s (which also deallocates it, since its
refcount must be 1 upon entry), and sets s to NULL. So if the "if"
branch ever triggers, it's an error to call Py_DECREF(s): s is already
NULL! A correct way to write the above is the simpler (and intended)
if (_PyString_Resize(&s, n) < 0)
goto outtahere;
Bugfix candidate.
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Please review.
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These should be safe.
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type.__module__ behavior.
This adds the module name and a dot in front of the type name in every
type object initializer, except for built-in types (and those that
already had this). Note that it touches lots of Mac modules -- I have
no way to test these but the changes look right. Apologies if they're
not. This also touches the weakref docs, which contains a sample type
object initializer. It also touches the mmap test output, because the
mmap type's repr is included in that output. It touches object.h to
put the correct description in a comment.
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This should match the situation in the 1.6b1 tree.
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and a couple of functions that were missed in the previous batches. Not
terribly tested, but very carefully scrutinized, three times.
All these were found by the little findkrc.py that I posted to python-dev,
which means there might be more lurking. Cases such as this:
long
func(a, b)
long a;
long b; /* flagword */
{
and other cases where the last ; in the argument list isn't followed by a
newline and an opening curly bracket. Regexps to catch all are welcome, of
course ;)
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For more comments, read the patches@python.org archives.
For documentation read the comments in mymalloc.h and objimpl.h.
(This is not exactly what Vladimir posted to the patches list; I've
made a few changes, and Vladimir sent me a fix in private email for a
problem that only occurs in debug mode. I'm also holding back on his
change to main.c, which seems unnecessary to me.)
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(1) Use PyErr_NewException("module.class", NULL, NULL) to create the
exception object.
(2) Remove all calls to Py_FatalError(); instead, return or
ignore the errors -- the import code now checks PyErr_Occurred()
after calling a module's init function, so it's no longer a
fatal error for the initialization to fail.
Also did some small cleanups, e.g. removed unnecessary test for
"already initialized" from initfpectl(), and unified
initposix()/initnt().
I haven't checked this very thoroughly, so while the changes are
pretty trivial -- beware of untested code!
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Also added Irix 5.3 constants.
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Setup.in: clarified Tk comments somewhat.
structmodule.c: use memcpy() instead of double precision assignment.
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* frameobject.c (newframeobject): initialize ob_type if taking entry
from the free list, since it is zeroed out when DEBUG is defined.
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* Fixcprt.py: added [-y file] option, do only files younger than file.
* modsupport.[ch]: added vmkvalue().
* intobject.c: use mkvalue().
* stringobject.c: added "formatstring"; renamed string* to string_*;
ceval.c: call formatstring for string % value.
* longobject.c: close memory leak in divmod.
* parsetok.c: set result node to NULL when returning an error.
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accordingly: SetMin, SetMax, SetDefault are no longer methods of the
compressor/decompressor but are functions of the cl module and they
take a first argument which is a compression scheme
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way); more efficiently check whether parameters are float; removed
one argument from DecompressImage method; use clGetParam instead of
clGetParams where it makes sense; convert int parameters in
SetParams, SetParam, SetMin, SetMax, and SetDefault to float when
needed; added QuerySchemeFromHandle method
* Makefile: interchanged cstubs and cgen.py so that $> in rule gets
them in the right order
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aifc.py: Several small improvements. Use new methods from CL module.
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- merged CloseCompressor and CloseDecompressor into one function
- keep existing errors in error function (for exceptions raised in the
Compress or Decompress callback functions)
- remove newline from error string generated by error function
- allocate less memory when compressing multiple frames
- keep existing errors when clCompress or clDecompress fails
- raise an exception when compressed data doesn't fit within
dataMaxSize bytes
- allocate frameSize bytes for decompression buffer instead of
dataMaxSize
- use mkvalue more often
- new function QueryParams which will accept CL.AUDIO and CL.VIDEO
args
- changed some function names
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and higher. Made a few improvements to previous version.
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