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113 Commits

Author SHA1 Message Date
Antoine Pitrou
2dbc6e6bce Issue #23529: Limit the size of decompressed data when reading from 
GzipFile, BZ2File or LZMAFile.  This defeats denial of service attacks
using compressed bombs (i.e. compressed payloads which decompress to a huge
size).

Patch by Martin Panter and Nikolaus Rath.
 2015-04-11 00:31:01 +02:00
Serhiy Storchaka
2116b12da5 Issue #23865: close() methods in multiple modules now are idempotent and more 
robust at shutdown. If needs to release multiple resources, they are released
even if errors are occured.
 2015-04-10 13:29:28 +03:00
Serhiy Storchaka
7e7a3dba5f Issue #23865: close() methods in multiple modules now are idempotent and more 
robust at shutdown. If needs to release multiple resources, they are released
even if errors are occured.
 2015-04-10 13:24:41 +03:00
Serhiy Storchaka
bca63b362d Issue #23688: Added support of arbitrary bytes-like objects and avoided 
unnecessary copying of memoryview in gzip.GzipFile.write().
Original patch by Wolfgang Maier.
 2015-03-23 14:59:48 +02:00
Serhiy Storchaka
d4c2ac8394 Issue #21560: An attempt to write a data of wrong type no longer cause 
GzipFile corruption.  Original patch by Wolfgang Maier.
 2015-03-23 15:25:43 +02:00
Ned Deily
e5127299c8 Issue #20875: Merge from 3.3 2014-03-09 14:47:58 -07:00
Ned Deily
6120739f0c Issue #20875: Prevent possible gzip "'read' is not defined" NameError. 
Patch by Claudiu Popa.
 2014-03-09 14:44:34 -07:00
Nadeem Vawda
ee1be99e05 Issue #19222: Add support for the 'x' mode to the gzip module. 
Original patch by Tim Heaney.
 2013-10-19 00:11:13 +02:00
Serhiy Storchaka
48e6a8c88a Issue #18743: Fix references to non-existant "StringIO" module 
in docstrings and comments.
 2013-08-29 11:39:48 +03:00
Serhiy Storchaka
50254c57cd Issue #18743: Fix references to non-existant "StringIO" module 
in docstrings and comments.
 2013-08-29 11:35:43 +03:00
Georg Brandl
b3bd624a55 Back out patch for #1159051, which caused backwards compatibility problems. 2013-05-12 11:57:26 +02:00
Serhiy Storchaka
ffcd339aac Close #17666: Fix reading gzip files with an extra field. 2013-04-08 22:37:15 +03:00
Serhiy Storchaka
7e69f0085e Close #17666: Fix reading gzip files with an extra field. 2013-04-08 22:35:02 +03:00
Serhiy Storchaka
cc0172c007 Issue #1159051: GzipFile now raises EOFError when reading a corrupted file 
with truncated header or footer.
Added tests for reading truncated gzip, bzip2, and lzma files.
 2013-01-22 17:11:07 +02:00
Serhiy Storchaka
57f9b7a124 Issue #1159051: GzipFile now raises EOFError when reading a corrupted file 
with truncated header or footer.
Added tests for reading truncated gzip, bzip2, and lzma files.
 2013-01-22 17:07:49 +02:00
Serhiy Storchaka
7c3922f44c Issue #1159051: GzipFile now raises EOFError when reading a corrupted file 
with truncated header or footer.
Added tests for reading truncated gzip and bzip2 files.
 2013-01-22 17:01:59 +02:00
Serhiy Storchaka
fc6e8aabf5 #15546: Fix GzipFile.peek()'s handling of pathological input data. 
This is a backport of changeset 8c07ff7f882f.
 2013-01-22 15:54:48 +02:00
Andrew Svetlov
f7a17b48d7 Replace IOError with OSError (#16715) 2012-12-25 16:47:37 +02:00
Nadeem Vawda
6ff262e18f Issue #15677: Document that zlib and gzip accept a compression level of 0 to mean 'no compression'. 
Patch by Brian Brazil.
 2012-11-11 14:14:47 +01:00
Nadeem Vawda
19e568d254 Issue #15677: Document that zlib and gzip accept a compression level of 0 to mean 'no compression'. 
Patch by Brian Brazil.
 2012-11-11 14:04:14 +01:00
Antoine Pitrou
2a021c80ce Issue #15800: fix the closing of input / output files when gzip is used as a script. 2012-08-30 00:30:14 +02:00
Antoine Pitrou
ecc4757b79 Issue #15800: fix the closing of input / output files when gzip is used as a script. 2012-08-30 00:29:24 +02:00
Nadeem Vawda
043540088a #15546: Also fix GzipFile.peek(). 2012-08-05 14:45:41 +02:00
Nadeem Vawda
37d3ff1487 #15546: Fix {GzipFile,LZMAFile}.read1()'s handling of pathological input data. 2012-08-05 02:19:09 +02:00
Nadeem Vawda
83a4dd3fdf Update GzipFile docstring to mention gzip.open()'s new text-mode support. 2012-06-30 13:34:28 +02:00
Nadeem Vawda
10c8791978 Fix GzipFile's handling of filenames given as bytes objects. 
Add relevant tests for GzipFile, and also for BZ2File and LZMAFile.
 2012-06-20 01:48:50 +02:00
Nadeem Vawda
103e8113e4 Fix GzipFile's handling of filenames given as bytes objects. 2012-06-20 01:35:22 +02:00
Nadeem Vawda
68721019ef Add fileobj support to gzip.open(). 2012-06-04 23:21:38 +02:00
Nadeem Vawda
7e126205e6 Closes #13989: Add support for text modes to gzip.open(). 
Also, add tests for gzip.open().
 2012-05-06 15:04:01 +02:00
Nadeem Vawda
be66af424b Clean up GzipFile mode string handling code. 2012-02-12 00:06:02 +02:00
Nadeem Vawda
d1a107132c Merge: #13989: Document that GzipFile does not support text mode. 2012-02-11 23:54:51 +02:00
Nadeem Vawda
30d94b7aea Issue #13989: Document that GzipFile does not support text mode. 
Also, give a more helpful error message when opened with an invalid mode string.
 2012-02-11 23:45:10 +02:00
Nadeem Vawda
50a4d5debb Merge: #13781: Fix GzipFile to work with os.fdopen()'d file objects. 2012-01-18 09:32:25 +02:00
Nadeem Vawda
892b0b928d Issue #13781: Fix GzipFile to work with os.fdopen()'d file objects. 2012-01-18 09:25:58 +02:00
Nadeem Vawda
5b5ee69e07 Remove dead code in gzip. 
These functions appear to be holdovers from the 2.x code, intended to handle
problems with CRC signedness.
 2011-04-13 18:57:40 +02:00
Antoine Pitrou
4ec4b0c041 Issue #10791: Implement missing method GzipFile.read1(), allowing GzipFile 
to be wrapped in a TextIOWrapper.  Patch by Nadeem Vawda.
 2011-04-04 21:00:37 +02:00
Georg Brandl
9f1c1dcde3 #10465: fix broken delegation in __getattr__ of _PaddedFile. 2010-11-20 11:25:01 +00:00
Antoine Pitrou
7980eaa98d Issue #9759: GzipFile now raises ValueError when an operation is attempted 
after the file is closed.  Patch by Jeffrey Finkelstein.
 2010-10-06 21:21:18 +00:00
Antoine Pitrou
7b998e9f52 GzipFile.peek improvements, suggested by Nir Aides. 2010-10-04 21:55:14 +00:00
Antoine Pitrou
c3ed2e7f83 Issue #9962: GzipFile now has the peek() method. 2010-09-29 10:49:46 +00:00
Antoine Pitrou
7b9698435d Issue #1675951: Allow GzipFile to work with unseekable file objects. 
Patch by Florian Festi.
 2010-09-23 16:22:51 +00:00
Antoine Pitrou
79c5ef11d5 Issue #3488: Provide convenient shorthand functions gzip.compress 
and `gzip.decompress`.  Original patch by Anand B. Pillai.
 2010-08-17 21:10:05 +00:00
Mark Dickinson
a9eb87a144 Merged revisions 80762 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r80762 | mark.dickinson | 2010-05-04 19:45:27 +0100 (Tue, 04 May 2010) | 3 lines

  Fix test_gzip failure on OS X.  The failure was a result of trying to fflush
  a file that wasn't open for writing.  Patch by Antoine Pitrou.
........
 2010-05-04 18:47:04 +00:00
Antoine Pitrou
8e33fd78c4 Merged revisions 77472-77473 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r77472 | antoine.pitrou | 2010-01-13 15:32:10 +0100 (mer., 13 janv. 2010) | 5 lines

  Issue #2846: Add support for gzip.GzipFile reading zero-padded files.
  Patch by Brian Curtin.
........
  r77473 | antoine.pitrou | 2010-01-13 15:32:51 +0100 (mer., 13 janv. 2010) | 3 lines

  Add ACKS entry for r77472.
........
 2010-01-13 14:37:26 +00:00
Antoine Pitrou
b1f8835b21 Merged revisions 77288 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r77288 | antoine.pitrou | 2010-01-03 23:29:56 +0100 (dim., 03 janv. 2010) | 5 lines

  Issue #7471: Improve the performance of GzipFile's buffering mechanism,
  and make it implement the `io.BufferedIOBase` ABC to allow for further
  speedups by wrapping it in an `io.BufferedReader`.  Patch by Nir Aides.
........
 2010-01-03 22:37:40 +00:00
Antoine Pitrou
77b338be20 Issue #4757: zlib.compress and other methods in the zlib module now 
raise a TypeError when given an `str` object (rather than a `bytes`-like
object).  Patch by Victor Stinner and Florent Xicluna.
 2009-12-14 18:00:06 +00:00
Lars Gustäbel
1440df2fcf Merged revisions 75935 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r75935 | lars.gustaebel | 2009-10-29 10:15:00 +0100 (Thu, 29 Oct 2009) | 3 lines

  Issue #4750: Store the basename of the original filename in
  the gzip FNAME header as required by RFC 1952.
........
 2009-10-29 09:39:47 +00:00
Philip Jenvey
a394f2dca3 #4351: more appropriate DeprecationWarning stacklevels 2009-05-08 03:57:12 +00:00
Antoine Pitrou
308705e4fa Merged revisions 68484-68485 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r68484 | antoine.pitrou | 2009-01-10 17:13:45 +0100 (sam., 10 janv. 2009) | 3 lines

  Issue #3860: GzipFile and BZ2File now support the context manager protocol.
........
  r68485 | antoine.pitrou | 2009-01-10 17:15:24 +0100 (sam., 10 janv. 2009) | 1 line

  Add NEWS entry for r68484.
........
 2009-01-10 16:22:51 +00:00
Antoine Pitrou
42db3efd36 Merged revisions 68319 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r68319 | antoine.pitrou | 2009-01-04 22:29:23 +0100 (dim., 04 janv. 2009) | 3 lines

  Issue #4272: Add an optional argument to the GzipFile constructor to override the timestamp in the gzip stream.
........
 2009-01-04 21:37:59 +00:00