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| author | Martin v. Löwis <martin@v.loewis.de> | 2012-05-13 08:06:36 (GMT) |
|---|---|---|
| committer | Martin v. Löwis <martin@v.loewis.de> | 2012-05-13 08:06:36 (GMT) |
| commit | 7fb79fcb64ad9832c2d616b1b6fe5a93d2ff3288 (patch) | |
| tree | 0dce33ace1abe53028aa3722e9cb9db15ddea2ca /Doc/library/zipfile.rst | |
| parent | bb54b33cec2d83e8b5f6100361ff57cb22b5105a (diff) | |
| download | cpython-7fb79fcb64ad9832c2d616b1b6fe5a93d2ff3288.zip cpython-7fb79fcb64ad9832c2d616b1b6fe5a93d2ff3288.tar.gz cpython-7fb79fcb64ad9832c2d616b1b6fe5a93d2ff3288.tar.bz2 | |
Issue #14366: Support lzma compression in zip files.
Patch by Serhiy Storchaka.
Diffstat (limited to 'Doc/library/zipfile.rst')
| -rw-r--r-- | Doc/library/zipfile.rst | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/Doc/library/zipfile.rst b/Doc/library/zipfile.rst index 493e172..409de44 100644 --- a/Doc/library/zipfile.rst +++ b/Doc/library/zipfile.rst @@ -97,12 +97,20 @@ The module defines the following items: .. versionadded:: 3.3 +.. data:: ZIP_LZMA + + The numeric constant for the LZMA compression method. This requires the + lzma module. + + .. versionadded:: 3.3 + .. note:: The ZIP file format specification has included support for bzip2 compression - since 2001. However, some tools (including older Python releases) do not - support it, and may either refuse to process the ZIP file altogether, or - fail to extract individual files. + since 2001, and for LZMA compression since 2006. However, some tools + (including older Python releases) do not support these compression + methods, and may either refuse to process the ZIP file altogether, + or fail to extract individual files. .. seealso:: @@ -133,11 +141,11 @@ ZipFile Objects adding a ZIP archive to another file (such as :file:`python.exe`). If *mode* is ``a`` and the file does not exist at all, it is created. *compression* is the ZIP compression method to use when writing the archive, - and should be :const:`ZIP_STORED`, :const:`ZIP_DEFLATED`; or - :const:`ZIP_DEFLATED`; unrecognized - values will cause :exc:`RuntimeError` to be raised. If :const:`ZIP_DEFLATED` or - :const:`ZIP_BZIP2` is specified but the corresponded module - (:mod:`zlib` or :mod:`bz2`) is not available, :exc:`RuntimeError` + and should be :const:`ZIP_STORED`, :const:`ZIP_DEFLATED`, + :const:`ZIP_BZIP2` or :const:`ZIP_LZMA`; unrecognized + values will cause :exc:`RuntimeError` to be raised. If :const:`ZIP_DEFLATED`, + :const:`ZIP_BZIP2` or :const:`ZIP_LZMA` is specified but the corresponded module + (:mod:`zlib`, :mod:`bz2` or :mod:`lzma`) is not available, :exc:`RuntimeError` is also raised. The default is :const:`ZIP_STORED`. If *allowZip64* is ``True`` zipfile will create ZIP files that use the ZIP64 extensions when the zipfile is larger than 2 GB. If it is false (the default) :mod:`zipfile` @@ -161,7 +169,7 @@ ZipFile Objects Added the ability to use :class:`ZipFile` as a context manager. .. versionchanged:: 3.3 - Added support for :mod:`bzip2` compression. + Added support for :mod:`bzip2` and :mod:`lzma` compression. .. method:: ZipFile.close() |