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bpo-29506: Clarify deep copy note in copy module

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The reference to administrative data was confusing to readers,
so this simplifies the note to explain that deep copying may copy
more then you intended, such as data that you expected to be
shared between copies.
This commit is contained in:
Sanyam Khurana 2017-04-09 15:52:30 +05:30 • committed by Nick Coghlan
parent 0e6cb2ea62
commit 19e0494256
2 changed files with 3 additions and 2 deletions
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4
Doc/library/copy.rst
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@ -47,8 +47,8 @@ copy operations:
* Recursive objects (compound objects that, directly or indirectly, contain a
reference to themselves) may cause a recursive loop.
* Because deep copy copies *everything* it may copy too much, e.g.,
even administrative data structures that should be shared even between copies.
* Because deep copy copies everything it may copy too much, such as data
which is intended to be shared between copies.
The :func:`deepcopy` function avoids these problems by:

1
Misc/ACKS
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@ -773,6 +773,7 @@ Lawrence Kesteloot
Vivek Khera
Dhiru Kholia
Akshit Khurana
Sanyam Khurana
Mads Kiilerich
Jason Killen
Jan Kim