[issue23306] Within zipfile, use of zlib.crc32 raises OverflowError at argument-parsing time on large strings

2016-08-07 Thread Gregory P. Smith 

Gregory P. Smith added the comment:

This appears to have been fixed by at least issue27130's 
https://hg.python.org/cpython/rev/2192edcfea02 recent commits.

greg:cpython/build27$ ./python -c "import zlib;zlib.crc32('a'*(1<<31))"
greg:cpython/build27$ ./python ../zipfile_2gb_test.py
True
greg:cpython/build27$ ls -al /tmp/zip_test.zip
-rw-rw-r-- 1 greg greg 2087407 Aug  7 09:28 /tmp/zip_test.zip
greg:~/sandbox/python/cpython/build27$ unzip -t /tmp/zip_test.zip
Archive:  /tmp/zip_test.zip
testing: big  OK
No errors detected in compressed data of /tmp/zip_test.zip.
greg:cpython/build27$ unzip -l /tmp/zip_test.zip
Archive:  /tmp/zip_test.zip
  Length  DateTimeName
-  -- -   
2147483648  2016-08-07 09:27   big
- ---
2147483648 1 file

--
resolution:  -> fixed
stage: needs patch -> resolved
status: open -> closed

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[issue23306] Within zipfile, use of zlib.crc32 raises OverflowError at argument-parsing time on large strings

2016-06-03 Thread Gregory P. Smith 

Changes by Gregory P. Smith :


--
dependencies: +zlib: OverflowError while trying to compress 2^32 bytes or more
stage:  -> needs patch

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[issue23306] Within zipfile, use of zlib.crc32 raises OverflowError at argument-parsing time on large strings

2016-05-26 Thread Martin Panter 

Martin Panter added the comment:

Apparently crc32() was fixed in Python 3 via Issue 10276.

See also Issue 27130 about 64-bit support more generally in zlib.

--
nosy: +martin.panter

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[issue23306] Within zipfile, use of zlib.crc32 raises OverflowError at argument-parsing time on large strings

2015-03-20 Thread Serhiy Storchaka 

Changes by Serhiy Storchaka storch...@gmail.com:


--
nosy: +serhiy.storchaka

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[issue23306] Within zipfile, use of zlib.crc32 raises OverflowError at argument-parsing time on large strings

2015-02-05 Thread Serhiy Storchaka 

Changes by Serhiy Storchaka storch...@gmail.com:


--
nosy: +nadeem.vawda

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[issue23306] Within zipfile, use of zlib.crc32 raises OverflowError at argument-parsing time on large strings

2015-01-23 Thread Danny Yoo 

Changes by Danny Yoo danny...@google.com:


--
title: zlib.crc32 raises OverflowError at argument-parsing time on large 
strings - Within zipfile, use of zlib.crc32 raises OverflowError at 
argument-parsing time on large strings

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