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Issue #11726: clarify linecache doc: linecache is written to cache Python 

source files, even if "it works" with other text files encoded to UTF-8.
This commit is contained in:
Victor Stinner 2015-03-18 14:14:42 +01:00
parent 6a318d420a
commit 93f0665fb6
1 changed files with 5 additions and 2 deletions
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Doc/library/linecache.rst
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@ -9,11 +9,15 @@
--------------
The :mod:`linecache` module allows one to get any line from any file, while
The :mod:`linecache` module allows one to get any line from a Python source file, while
attempting to optimize internally, using a cache, the common case where many
lines are read from a single file. This is used by the :mod:`traceback` module
to retrieve source lines for inclusion in the formatted traceback.
The :func:`tokenize.open` function is used to open Python source files. This
function uses :func:`tokenize.detect_encoding` to get the encoding of the
Python source file.
The :mod:`linecache` module defines the following functions:
@ -49,4 +53,3 @@ Example::
>>> import linecache
>>> linecache.getline('/etc/passwd', 4)
'sys:x:3:3:sys:/dev:/bin/sh\n'