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Issue #17953: document that sys.modules shouldn't be replaced (thanks

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to interp->modules) and that deleting essential items from the dict
can cause Python to blow up.

Thanks to Terry Reedy for coming up with initial wording and Yogesh
Chaudhari for coming up with a patch using that wording in parallel to
my own patch.
This commit is contained in:
Brett Cannon 2013-05-24 08:05:07 -04:00
parent 27a4ac535f
commit c3511c1dd8
2 changed files with 5 additions and 0 deletions
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2
Doc/library/sys.rst
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@ -732,6 +732,8 @@ always available.
This is a dictionary that maps module names to modules which have already been
loaded. This can be manipulated to force reloading of modules and other tricks.
However, replacing the dictionary will not necessarily work as expected and
deleting essential items from the dictionary may cause Python to fail.
.. data:: path

3
Misc/NEWS
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@ -59,6 +59,9 @@ Tests
Documentation
-------------
- Issue #17953: Mention that you shouldn't replace sys.modules and deleting key
items will cause Python to not be happy.
- Issue #17844: Add links to encoders and decoders for bytes-to-bytes codecs.
- Issue #14097: improve the "introduction" page of the tutorial.