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Author SHA1 Message Date
Miss Islington (bot) b5655f3d18
bpo-17232: Clarify docs for -O and -OO command line options (GH-5839) 
The 'optimization' is for space in the executable file, not for run time.
(cherry picked from commit 186b606d8a)

Co-authored-by: Cheryl Sabella <cheryl.sabella@gmail.com>
 2018-02-24 19:24:08 -08:00
Benjamin Peterson 42aa93b8ff
closes bpo-31650: PEP 552 (Deterministic pycs) implementation (#4575) 
Python now supports checking bytecode cache up-to-dateness with a hash of the
source contents rather than volatile source metadata. See the PEP for details.

While a fairly straightforward idea, quite a lot of code had to be modified due
to the pervasiveness of pyc implementation details in the codebase. Changes in
this commit include:

- The core changes to importlib to understand how to read, validate, and
  regenerate hash-based pycs.

- Support for generating hash-based pycs in py_compile and compileall.

- Modifications to our siphash implementation to support passing a custom
  key. We then expose it to importlib through _imp.

- Updates to all places in the interpreter, standard library, and tests that
  manually generate or parse pyc files to grok the new format.

- Support in the interpreter command line code for long options like
  --check-hash-based-pycs.

- Tests and documentation for all of the above.
 2017-12-09 10:26:52 -08:00
Victor Stinner 84c4b1938f
bpo-32124: Document C functions safe before init (#4540) 
Explicitly document C functions and C variables that can be set
before Py_Initialize().
 2017-11-24 22:30:27 +01:00
Berker Peksag 7f58097083 bpo-28647: Update -u documentation after bpo-30404 (GH-3961) 2017-10-13 15:16:31 +03:00
Lisa Hewus Fresh 384899dfae bpo-30737: Update DevGuide links to new URL (GH-3228) 
Update old devguide links from https://docs.python.org/devguide to https://devguide.python.org
 2017-08-30 09:37:43 -07:00
INADA Naoki 0e175a6e76 Issue #28532: Show sys.version when -V option is supplied twice 2016-11-21 20:57:14 +09:00
Brett Cannon 10a7dbdd5d Issue #28396: Remove any mention of .pyo files from the man page. 
Thanks to Ville Skyttä for the patch.
 2016-10-21 12:15:14 -07:00
Benjamin Peterson e46487b133 merge 3.4 (#17167) 2016-03-21 22:31:24 -07:00
Benjamin Peterson b9869dfe35 remove useless $ keyword (closes #17167) 2016-03-21 22:31:02 -07:00
Serhiy Storchaka 225821c653 Issue #25899: Converted non-ASCII characters in docstrings and manpage 
to ASCII replacements.  Original patch by Chris Angelico.
 2015-12-18 13:05:04 +02:00
Benjamin Peterson 8ec4ae0420 merge 3.4 2015-05-10 21:19:56 -04:00
Benjamin Peterson 37c4f78390 add trailing slash 2015-05-10 21:19:18 -04:00
Benjamin Peterson 2e02875544 merge 3.4 2015-04-30 17:38:14 -04:00
Benjamin Peterson 755640bf50 update links 2015-04-30 17:37:11 -04:00
Benjamin Peterson 31cd7562b0 merge 3.4 2015-04-29 18:00:57 -04:00
Benjamin Peterson b0335ee2fe improve phrasing 2015-04-29 18:00:44 -04:00
Ned Deily 919587090c Issue #24077: merge from 3.4 2015-04-29 14:53:34 -07:00
Ned Deily 64298ae62e Issue #24077: Fix typo in man page for -I command option: -s, not -S. 2015-04-29 14:51:43 -07:00
Brett Cannon f299abdafa Issue #23731: Implement PEP 488. 
The concept of .pyo files no longer exists. Now .pyc files have an
optional `opt-` tag which specifies if any extra optimizations beyond
the peepholer were applied.
 2015-04-13 14:21:02 -04:00
Georg Brandl 75f7490843 PYTHONY2K is long gone. Remove traces from the docs and manpage. 2014-10-28 17:15:10 +01:00
Christian Heimes ad73a9cf97 Issue #16400: Add command line option for isolated mode. 
-I

    Run Python in isolated mode. This also implies -E and -s. In isolated mode
    sys.path contains neither the script’s directory nor the user’s
    site-packages directory. All PYTHON* environment variables are ignored,
    too. Further restrictions may be imposed to prevent the user from
    injecting malicious code.
 2013-08-10 16:36:18 +02:00
Ezio Melotti 61b0c672b5 #16937: document that stdin is always buffered, even when -u is used. Patch by Elena Oat. 2013-07-25 05:04:02 +02:00
Senthil Kumaran ce3dd0bdd5 Add -b and -X options to python man page. 
Patch contributed by Corey Brune.
 2013-06-19 22:19:46 -05:00
doko@ubuntu.com d8623e8e66 Do not italicize punctuation in python(1) manual page (Matt Kraai). 2012-06-20 13:16:31 +02:00
Benjamin Peterson c9f54cf512 enable hash randomization by default 2012-02-21 16:08:05 -05:00
Georg Brandl 2fb477c0f0 Merge 3.2: Issue #13703 plus some related test suite fixes. 2012-02-21 00:33:36 +01:00
Georg Brandl 09a7c72cad Merge from 3.1: Issue #13703: add a way to randomize the hash values of basic types (str, bytes, datetime) 
in order to make algorithmic complexity attacks on (e.g.) web apps much more complicated.

The environment variable PYTHONHASHSEED and the new command line flag -R control this
behavior.
 2012-02-20 21:31:46 +01:00
Georg Brandl 2daf6ae249 Issue #13703: add a way to randomize the hash values of basic types (str, bytes, datetime) 
in order to make algorithmic complexity attacks on (e.g.) web apps much more complicated.

The environment variable PYTHONHASHSEED and the new command line flag -R control this
behavior.
 2012-02-20 19:54:16 +01:00
Éric Araujo c8e032006a Merge 3.2 2011-11-29 17:14:27 +01:00
Éric Araujo a2b89e364f Fix last remaining references to ex-devguide 2011-11-29 16:36:17 +01:00
R David Murray 90c3fb6e76 Merge #11971: fix man page; it's -OO not -O0 
Patch by Lars Michelsen.
 2011-05-01 11:15:01 -04:00
R David Murray e97f14c1bb Merge #11971: fix man page; it's -OO not -O0 
Patch by Lars Michelsen.
 2011-05-01 11:14:31 -04:00
R David Murray 9c4f09d0f4 #11971: fix man page; it's -OO not -O0 
Patch by Lars Michelsen.
 2011-05-01 11:13:56 -04:00
Éric Araujo be3bd57ba2 Remove traces of division_warning left over from Python 2 (#10998) 2011-03-26 01:55:15 +01:00
Éric Araujo c09fca67e7 Do not touch sys.path when site is imported and python was started with -S. 
Original patch by Carl Meyer, review by Brett Cannon, small doc editions by
yours truly.  Fixes #11591.
 2011-03-23 02:06:24 +01:00
Georg Brandl 9d8711964f #1772833: add -q command line option. 2010-12-04 10:47:18 +00:00
Benjamin Peterson 2693d08794 Merged revisions 85436 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85436 | benjamin.peterson | 2010-10-13 17:20:15 -0500 (Wed, 13 Oct 2010) | 1 line

  put PYTHONIOENCODING in man page
........
 2010-10-13 22:23:03 +00:00
Benjamin Peterson ee85a1d3bb put PYTHONIOENCODING in man page 2010-10-13 22:20:15 +00:00
Georg Brandl 16215c732c Merged revisions 78959,79170,79175,79177,79180,79183,79186,79193,79581 via svnmerge from 
svn+ssh://svn.python.org/python/branches/py3k

................
  r78959 | georg.brandl | 2010-03-14 11:56:14 +0100 (So, 14 Mär 2010) | 33 lines

  Merged revisions 78760,78771-78773,78802,78922,78952 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r78760 | georg.brandl | 2010-03-07 16:23:59 +0100 (So, 07 Mär 2010) | 1 line

    #5341: more built-in vs builtin fixes.
  ........
    r78771 | georg.brandl | 2010-03-07 21:58:31 +0100 (So, 07 Mär 2010) | 1 line

    #8085: The function is called PyObject_NewVar, not PyObject_VarNew.
  ........
    r78772 | georg.brandl | 2010-03-07 22:12:28 +0100 (So, 07 Mär 2010) | 1 line

    #8039: document conditional expressions better, giving them their own section.
  ........
    r78773 | georg.brandl | 2010-03-07 22:32:06 +0100 (So, 07 Mär 2010) | 1 line

    #8044: document Py_{Enter,Leave}RecursiveCall functions.
  ........
    r78802 | georg.brandl | 2010-03-08 17:28:40 +0100 (Mo, 08 Mär 2010) | 1 line

    Fix typo.
  ........
    r78922 | georg.brandl | 2010-03-13 14:41:58 +0100 (Sa, 13 Mär 2010) | 1 line

    Update for new download location.
  ........
    r78952 | georg.brandl | 2010-03-14 10:55:08 +0100 (So, 14 Mär 2010) | 1 line

    #8137: add iso-8859-16 to the standard encodings table.
  ........
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  r79170 | georg.brandl | 2010-03-21 10:02:59 +0100 (So, 21 Mär 2010) | 1 line

  Fix some issues found by Jacques Ducasse on the docs list.
................
  r79175 | georg.brandl | 2010-03-21 10:10:32 +0100 (So, 21 Mär 2010) | 9 lines

  Merged revisions 79172 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r79172 | georg.brandl | 2010-03-21 10:08:00 +0100 (So, 21 Mär 2010) | 1 line

    Add a paragraph about set displays.
  ........
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  r79177 | georg.brandl | 2010-03-21 10:25:54 +0100 (So, 21 Mär 2010) | 1 line

  Need to use list(range()) to get a list.
................
  r79180 | georg.brandl | 2010-03-21 10:50:49 +0100 (So, 21 Mär 2010) | 9 lines

  Merged revisions 79178 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r79178 | georg.brandl | 2010-03-21 10:28:16 +0100 (So, 21 Mär 2010) | 1 line

    Clarify that for shell=True, the shell PID will be the child PID.
  ........
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  r79183 | georg.brandl | 2010-03-21 10:52:24 +0100 (So, 21 Mär 2010) | 9 lines

  Merged revisions 79181 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r79181 | georg.brandl | 2010-03-21 10:51:16 +0100 (So, 21 Mär 2010) | 1 line

    Update os.kill() emulation example for Windows to use ctypes.
  ........
................
  r79186 | georg.brandl | 2010-03-21 11:03:36 +0100 (So, 21 Mär 2010) | 13 lines

  Merged revisions 79184-79185 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r79184 | georg.brandl | 2010-03-21 10:58:36 +0100 (So, 21 Mär 2010) | 1 line

    Update text for newest US DST regulation.  The sample file already has the calculation right.
  ........
    r79185 | georg.brandl | 2010-03-21 11:02:47 +0100 (So, 21 Mär 2010) | 1 line

    Include structmember.h correctly.
  ........
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  r79193 | georg.brandl | 2010-03-21 12:53:50 +0100 (So, 21 Mär 2010) | 9 lines

  Merged revisions 79192 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r79192 | georg.brandl | 2010-03-21 12:50:58 +0100 (So, 21 Mär 2010) | 1 line

    Remove leftover word.
  ........
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  r79581 | georg.brandl | 2010-04-02 10:47:07 +0200 (Fr, 02 Apr 2010) | 1 line

  #8213: document behavior of -u on py3k better.
................
 2010-10-06 07:59:52 +00:00
Philip Jenvey 0805ca3f93 Merged revisions 79878-79880 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r79878 | philip.jenvey | 2010-04-06 16:24:45 -0700 (Tue, 06 Apr 2010) | 4 lines

  #7301: add the environment variable $PYTHONWARNINGS to supplement the -W
  command line option
  patch from Brian Curtin
........
  r79879 | benjamin.peterson | 2010-04-06 16:32:27 -0700 (Tue, 06 Apr 2010) | 1 line

  tell people to update python.man, too
........
  r79880 | philip.jenvey | 2010-04-06 16:38:57 -0700 (Tue, 06 Apr 2010) | 1 line

  document new PYTHONWARNINGS env var
........
 2010-04-07 04:04:10 +00:00
Georg Brandl 379299cecc #8213: document behavior of -u on py3k better. 2010-04-02 08:47:07 +00:00
Matthias Klose 70924dde03 Merged revisions 77877 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r77877 | matthias.klose | 2010-01-31 17:14:37 +0100 (So, 31 Jan 2010) | 10 lines

  Merged revisions 77875 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r77875 | matthias.klose | 2010-01-31 17:05:13 +0100 (So, 31 Jan 2010) | 3 lines

    - Update python manual page (options -B, -O0, -s, environment variables
      PYTHONDONTWRITEBYTECODE, PYTHONNOUSERSITE).
  ........
................
 2010-01-31 16:17:23 +00:00
Matthias Klose c8b16f8c24 Merged revisions 77875 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r77875 | matthias.klose | 2010-01-31 17:05:13 +0100 (So, 31 Jan 2010) | 3 lines

  - Update python manual page (options -B, -O0, -s, environment variables
    PYTHONDONTWRITEBYTECODE, PYTHONNOUSERSITE).
........
 2010-01-31 16:14:37 +00:00
Benjamin Peterson b2f9e3bd5b Merged revisions 74759-74760 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r74759 | benjamin.peterson | 2009-09-12 21:22:00 -0500 (Sat, 12 Sep 2009) | 9 lines

  Merged revisions 74757 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r74757 | benjamin.peterson | 2009-09-12 20:59:31 -0500 (Sat, 12 Sep 2009) | 1 line

    update urls
  ........
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  r74760 | benjamin.peterson | 2009-09-12 21:23:12 -0500 (Sat, 12 Sep 2009) | 1 line

  py3k documentation has its own url
................
 2009-09-13 02:29:37 +00:00
Benjamin Peterson 6aa7c8ce3c py3k documentation has its own url 2009-09-13 02:23:12 +00:00
Benjamin Peterson 25a8dd790b Merged revisions 74757 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r74757 | benjamin.peterson | 2009-09-12 20:59:31 -0500 (Sat, 12 Sep 2009) | 1 line

  update urls
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 2009-09-13 02:22:00 +00:00
Georg Brandl eeb575f329 Merged revisions 73544 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r73544 | georg.brandl | 2009-06-24 06:41:19 +0000 (Mi, 24 Jun 2009) | 1 line

  #6332: fix word dupes throughout the source.
........
 2009-06-24 06:42:05 +00:00
Benjamin Peterson 5f28b7b797 Merged revisions 70518,70521,70590,70594-70595 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r70518 | matthias.klose | 2009-03-22 08:08:22 -0500 (Sun, 22 Mar 2009) | 2 lines

  - Fix comment macro in python.man
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  r70521 | benjamin.peterson | 2009-03-22 12:45:11 -0500 (Sun, 22 Mar 2009) | 1 line

  close the file even if an exception occurs #5536
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  r70590 | skip.montanaro | 2009-03-24 19:52:11 -0500 (Tue, 24 Mar 2009) | 1 line

  clarify the type of data returned
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  r70594 | marc-andre.lemburg | 2009-03-25 14:44:58 -0500 (Wed, 25 Mar 2009) | 9 lines

  Remove the sys.version_info shortcut, since they cause the APIs
  to return different information than the _sys_version() output
  used in previous Python versions.

  This also fixes issue5561: platform.python_version_tuple returns tuple of ints, should be strings

  Added more tests for the various platform functions.
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  r70595 | marc-andre.lemburg | 2009-03-25 14:45:33 -0500 (Wed, 25 Mar 2009) | 3 lines

  News item for the platform.py fix (r70594).
........
 2009-03-26 21:49:58 +00:00
Benjamin Peterson 9249f8034d .pythonrc.py is no more 2009-02-23 03:38:43 +00:00
Georg Brandl e1b5ac6408 Remove meaning of -ttt, but still accept -t option on cmdline for compatibility. 2008-06-04 13:06:58 +00:00