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Closes #18430: Document that peek() may change the position of the underlying

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file for the BZ2File, GzipFile and LZMAFile classes.
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Nadeem Vawda 2013-12-08 19:50:05 +01:00
commit bd6932a576
3 changed files with 15 additions and 0 deletions
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5
Doc/library/bz2.rst
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@ -95,6 +95,11 @@ All of the classes in this module may safely be accessed from multiple threads.
byte of data will be returned (unless at EOF). The exact number of bytes
returned is unspecified.
.. note:: While calling :meth:`peek` does not change the file position of
the :class:`BZ2File`, it may change the position of the underlying file
object (e.g. if the :class:`BZ2File` was constructed by passing a file
object for *filename*).
.. versionadded:: 3.3
.. versionchanged:: 3.1

5
Doc/library/gzip.rst
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@ -117,6 +117,11 @@ The module defines the following items:
the call. The number of bytes returned may be more or less than
requested.
.. note:: While calling :meth:`peek` does not change the file position of
the :class:`GzipFile`, it may change the position of the underlying
file object (e.g. if the :class:`GzipFile` was constructed with the
*fileobj* parameter).
.. versionadded:: 3.2
.. versionchanged:: 3.1

5
Doc/library/lzma.rst
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@ -102,6 +102,11 @@ Reading and writing compressed files
byte of data will be returned, unless EOF has been reached. The exact
number of bytes returned is unspecified (the *size* argument is ignored).
.. note:: While calling :meth:`peek` does not change the file position of
the :class:`LZMAFile`, it may change the position of the underlying
file object (e.g. if the :class:`LZMAFile` was constructed by passing a
file object for *filename*).
.. versionchanged:: 3.4
Added support for the ``"x"`` and ``"xb"`` modes.