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truncate() left the stream position unchanged, which meant the
"truncated" data didn't go away:
>>> io.write('abc')
>>> io.truncate(0)
>>> io.write('xyz')
>>> io.getvalue()
'abcxyz'
Patch by Dima Dorfman.
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places it's just noise.
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The writelines() method now accepts any iterable argument and writes
the lines one at a time rather than using ''.join(lines) followed by
a single write. Results in considerable memory savings and makes
the method suitable for use with generator expressions.
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* Py_BuildValue("(OOO)",a,b,c) --> PyTuple_Pack(3,a,b,c)
* Py_BuildValue("()",a) --> PyTuple_New(0)
* Py_BuildValue("O", a) --> Py_INCREF(a)
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docs
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the tp_name is not correct, but what's exposed to users is known visibly as
"StringIO", not "StringI" or "StringO".
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(requested by GvR. patch contributed by Michael Stone)
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Simplify code and speed access by using PyArg_UnpackTuple, METH_O and
METH_NOARGS in three modules that can benefit from it.
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for Py_Main().
Thanks to Kalle Svensson and Skip Montanaro for the patches.
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Unicode objects are currently taken as binary data by the write()
method. This is not what Unicode users expect, nor what the
StringIO.py code does. Until somebody adds a way to specify binary or
text mode for cStringIO objects, change the format string to use "t#"
instead of "s#", so that it will request the "text buffer" version.
This will try the default encoding for Unicode objects.
This is *not* a 2.2 bugfix (since it *is* a semantic change).
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permission from Paul Everitt). Also removed a few other references to
Digital Creations and changed the remaining ones to Zope Corporation.
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The doc string for cStringIO suggested that str() of a StringIO object
was equivalent to getvalue(). This was never true, so repair the doc
string. (doctest would have helped here.)
Bug fix candidate for any past versions.
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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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casts with a variable oself that has the proper type. A smart
compiler may put this thing into a register.
(I'm not sure what good this does except satisfy my desire to
understand this function; I got a report about an uninitialized read
from Insure++ about this function and it hurt my eyes to even look at
it. I gotta run away or I'll get tempted to reformat the entire
file...)
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input to .write() too.
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cStringIO's can participate in the iterator protocol.
Fill the Itype.tp_iter slot with I_getiter()
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operations are defined. This will, hopefully clarify
some of the logic.
Added close test to raise proper error when operations
are performed on closed StringIOs.
Added a position argument to the truncate method.
Added a size argument to readline.
Added PyArg_Parse calls for methods that don't take arguments to
make sure they don't take arguments.
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comments, docstrings or error messages. I fixed two minor things in
test_winreg.py ("didn't" -> "Didn't" and "Didnt" -> "Didn't").
There is a minor style issue involved: Guido seems to have preferred English
grammar (behaviour, honour) in a couple places. This patch changes that to
American, which is the more prominent style in the source. I prefer English
myself, so if English is preferred, I'd be happy to supply a patch myself ;)
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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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PyArg_ParseTuple() format string arguments as possible.
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(including a docstring saying "blah"). Fixed all this.
(Please review for potential memory leaks!)
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This fixes a bug that can cause core dumps when doing seeks in input
StringIO objects. This has a number of other clean-ups.
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on BeOS or Windows.
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- New copyright. (Open source)
- Fixed problem in seek method. The seek method should (and now does)
fill with nulls when seeking past the end of the "file".
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get a decent error message when it's not a string (instead of
confusing errors when trying to use the thing).
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O_getattr(): Added read-only access to the closed attribute, based on comment
from Michael Scharf <Michael.Scharf@Rhein-Neckar.de>.
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distribution.
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dealloc() functions contained code to free/DECREF the buffer
(there were differences between I and O objects but the logic bug was
the same). Fixed this be setting the buffer pointer to NULL and
testing for that. (This also makes it safe to call close() more than
once.)
XXX Worry: what if you try to read() or write() once the thing is
closed?
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Suppressing my urge to reformat according to Python coding standards!
:-)
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