zpifile.py error - no crc 32 attribute

MRAB python at mrabarnett.plus.com
Wed Aug 22 19:57:02 EDT 2018


On 2018-08-22 23:43, jacob m wrote:
> " import zlib
> print(zlib.__file__)"
> 
> When I don't have the zlib uploaded to my Python3.7 library, I have the
> following error:
> "Traceback (most recent call last):
>    File "./testx.py", line 2, in <module>
>      import zlib
> ModuleNotFoundError: No module named 'zlib'"
> 
> When I download the zlib 1.2.11 from http://www.zlib.net/, rename the
> "zlib-1.2.11" folder into "zlib" (after unpacking) and upload it into
> Python library, the result is:
> "# ./testx.py
> None
> "
> In the second case I still have the AttributeError with crc32.
> 
In the first case, without the downloaded zlip, can you import zipfile?

If yes, try:

zipfile.zlib

 From what I've seen, zlib is a built-in.
> 
> 
> On 22 August 2018 at 23:09, Ashok Arora <ashok.maillist at gmail.com> wrote:
> 
>> Test this in the interpreter:-
>>
>>     import zlib
>>     zlib.__file__
>>
>> It will return the location of zlib module.
>>
>> On 8/22/18, jacob m <kgrenczuk at gmail.com> wrote:
>> >  Hi,
>> > " Is there perhaps a different zlib on
>> > your path, hiding the real zlib?" - I'm unsure of that.
>> >
>> > "sudo apt-get install zlib1g-dev
>> > Reading package lists... Done
>> > Building dependency tree
>> > Reading state information... Done
>> > zlib1g-dev is already the newest version.
>> > 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded."
>> > Regards
>> >
>> >
>> > On 22 August 2018 at 13:12, jacob m <kgrenczuk at gmail.com> wrote:
>> >
>> >> Hi guys,
>> >> I have a problem with zipfile and zlib module, and hope to get some
>> help.
>> >>
>> >> That's my error:
>> >> "    import zipfile
>> >>   File "/home/lib/python3.7/lib/python3.7/zipfile.py", line 19, in
>> >> <module>
>> >>     crc32 = zlib.crc32
>> >> AttributeError: module 'zlib' has no attribute 'crc32' "
>> >>
>> >> I have no idea what to do with that :/ I use this version of zipfile:
>> >> https://github.com/python/cpython/blob/3.7/Lib/zipfile.py
>> >>
>> >> Somebody knows how to solve it?
>> >> Regards
>> >>



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