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author | Christian Heimes <christian@cheimes.de> | 2008-01-07 21:14:23 (GMT) |
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committer | Christian Heimes <christian@cheimes.de> | 2008-01-07 21:14:23 (GMT) |
commit | 790c8232019d0a13c3f0a72b8cffcf3ae69ea7b9 (patch) | |
tree | 377ebd7133b8766eee491cefe5b6d5eb5717d145 /Doc/using | |
parent | 0625e89771e17e3ed5ca1fb37e0fdc9224fc5a2a (diff) | |
download | cpython-790c8232019d0a13c3f0a72b8cffcf3ae69ea7b9.zip cpython-790c8232019d0a13c3f0a72b8cffcf3ae69ea7b9.tar.gz cpython-790c8232019d0a13c3f0a72b8cffcf3ae69ea7b9.tar.bz2 |
Merged revisions 59822-59841 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r59822 | georg.brandl | 2008-01-07 17:43:47 +0100 (Mon, 07 Jan 2008) | 2 lines
Restore "somenamedtuple" as the "class" for named tuple attrs.
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r59824 | georg.brandl | 2008-01-07 18:09:35 +0100 (Mon, 07 Jan 2008) | 2 lines
Patch #602345 by Neal Norwitz and me: add -B option and PYTHONDONTWRITEBYTECODE envvar to skip writing bytecode.
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r59827 | georg.brandl | 2008-01-07 18:25:53 +0100 (Mon, 07 Jan 2008) | 2 lines
patch #1668: clarify envvar docs; rename THREADDEBUG to PYTHONTHREADDEBUG.
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r59830 | georg.brandl | 2008-01-07 19:16:36 +0100 (Mon, 07 Jan 2008) | 2 lines
Make Python compile with --disable-unicode.
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r59831 | georg.brandl | 2008-01-07 19:23:27 +0100 (Mon, 07 Jan 2008) | 2 lines
Restructure urllib doc structure.
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r59833 | georg.brandl | 2008-01-07 19:41:34 +0100 (Mon, 07 Jan 2008) | 2 lines
Fix #define ordering.
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r59834 | georg.brandl | 2008-01-07 19:47:44 +0100 (Mon, 07 Jan 2008) | 2 lines
#467924, patch by Alan McIntyre: Add ZipFile.extract and ZipFile.extractall.
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r59835 | raymond.hettinger | 2008-01-07 19:52:19 +0100 (Mon, 07 Jan 2008) | 1 line
Fix inconsistent title levels -- it made the whole doc build crash horribly.
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r59836 | georg.brandl | 2008-01-07 19:57:03 +0100 (Mon, 07 Jan 2008) | 2 lines
Fix two further doc build warnings.
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r59837 | georg.brandl | 2008-01-07 20:17:10 +0100 (Mon, 07 Jan 2008) | 2 lines
Clarify metaclass docs and add example.
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r59838 | vinay.sajip | 2008-01-07 20:40:10 +0100 (Mon, 07 Jan 2008) | 1 line
Added section about adding contextual information to log output.
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r59839 | christian.heimes | 2008-01-07 20:58:41 +0100 (Mon, 07 Jan 2008) | 1 line
Fixed indention problem that caused the second TIPC test to run on systems without TIPC
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r59840 | raymond.hettinger | 2008-01-07 21:07:38 +0100 (Mon, 07 Jan 2008) | 1 line
Cleanup named tuple subclassing example.
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Diffstat (limited to 'Doc/using')
-rw-r--r-- | Doc/using/cmdline.rst | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst index 3fe405a..ba3e1c9 100644 --- a/Doc/using/cmdline.rst +++ b/Doc/using/cmdline.rst @@ -142,6 +142,14 @@ Miscellaneous options option is given twice (:option:`-bb`). +.. cmdoption:: -B + + If given, Python won't try to write ``.pyc`` or ``.pyo`` files on the + import of source modules. See also :envvar:`PYTHONDONTWRITEBYTECODE`. + + .. versionadded:: 2.6 + + .. cmdoption:: -d Turn on parser debugging output (for wizards only, depending on compilation @@ -284,6 +292,8 @@ Miscellaneous options Environment variables --------------------- +These environment variables influence Python's behavior. + .. envvar:: PYTHONHOME Change the location of the standard Python libraries. By default, the @@ -299,7 +309,7 @@ Environment variables .. envvar:: PYTHONPATH - Augments the default search path for module files. The format is the same as + Augment the default search path for module files. The format is the same as the shell's :envvar:`PATH`: one or more directory pathnames separated by colons. Non-existent directories are silently ignored. @@ -349,6 +359,9 @@ Environment variables If this is set to a non-empty string it is equivalent to specifying the :option:`-i` option. + This variable can also be modified by Python code using :data:`os.environ` + to force inspect mode on program termination. + .. envvar:: PYTHONUNBUFFERED @@ -368,3 +381,43 @@ Environment variables If this is set, Python ignores case in :keyword:`import` statements. This only works on Windows. + +.. envvar:: PYTHONDONTWRITEBYTECODE + + If this is set, Python won't try to write ``.pyc`` or ``.pyo`` files on the + import of source modules. + + .. versionadded:: 2.6 + + +.. envvar:: PYTHONEXECUTABLE + + If this environment variable is set, ``sys.argv[0]`` will be set to its + value instead of the value got through the C runtime. Only works on + MacOS X. + + +Debug-mode variables +~~~~~~~~~~~~~~~~~~~~ + +Setting these variables only has an effect in a debug build of Python, that is, +if Python was configured with the :option:`--with-pydebug` build option. + +.. envvar:: PYTHONTHREADDEBUG + + If set, Python will print debug threading debug info. + + .. versionchanged:: 2.6 + Previously, this variable was called ``THREADDEBUG``. + +.. envvar:: PYTHONDUMPREFS + + If set, Python will dump objects and reference counts still alive after + shutting down the interpreter. + + +.. envvar:: PYTHONMALLOCSTATS + + If set, Python will print memory allocation statistics every time a new + object arena is created, and on shutdown. + |