Python standard-library module provides tools to create, read, write, append, and list a ZIP file.
Questions tagged [python-zipfile]
404 questions
17
votes
2 answers
How do I know an item is a directory while looping over zipfile in Python?
Doing something like this:
from zipfile import ZipFile
#open zip file
zipfile = ZipFile('Photo.zip')
#iterate zip contents
for zipinfo in zipfile.filelist:
#do something
filepath, filename = path.split(zipinfo.filename)
How do I know if…
neurino
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16
votes
1 answer
Python zipfile module: difference between zipfile.ZIP_DEFLATED and zipfile.ZIP_STORED
I have difficulty understanding the difference between zipfile.ZIP_DEFLATED and zipfile.ZIP_STORED compression modes of the zipfile module.
maxim
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16
votes
4 answers
Opening zipfile of unsupported compression-type silently returns empty filestream, instead of throwing exception
Seem to be knocking my head off a newbie error and I am not a newbie.
I have a 1.2G known-good zipfile 'train.zip' containing a 3.5G file 'train.csv'.
I open the zipfile and file itself without any exceptions (no LargeZipFile), but the resulting…
smci
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15
votes
4 answers
ZipFile.testzip() returning different results on Python 2 and Python 3
Using the zipfile module to unzip a large data file in Python works correctly on Python 2 but produces the following error on Python 3.6.0:
BadZipFile: Bad CRC-32 for file 'myfile.csv'
I traced this to error handling code checking the CRC…
Ethan White
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15
votes
2 answers
Python using ZIP64 extensions when compressing large files
I have a script that compresses the output files. The problem is that one of the files is over 4Gigs. How would I convert my script to use ZIP64 extensions instead of the standard zip?
Here is how I am currently zipping:
try:
import zlib
…
txwylde
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14
votes
2 answers
Bad magic number error with ZipFile module in Python
I am using Python 2.7 on Windows 7 (64 bit).
When I try to unzip a zip file with ZipFile module I get the following error:-
Traceback (most recent call last):
File "unzip.py", line 8, in
z.extract(name)
File…
haltTm
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14
votes
1 answer
Forcing a specific timestamp for files in pythons zipfile
Is it possible to force a specific timestamp for a file when adding it to a zipfile?
Something along these lines:
with ZipFile('spam.zip', 'w') as myzip:
myzip.write('eggs.txt', date_time=(1752, 9, 9, 15, 0, 0))
Can I change the ZipInfo on a…
dantje
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13
votes
2 answers
Unable to unzip a large zip file (3.3GB) in iOS9 using SSZipArchive
As title, I creates the zip file from my Django backend server (hosted on a Ubuntu 14.04.1 LTS) using the python zipfile module:
zipfile.ZipFile(dest_path, mode='w', compression=zipfile.ZIP_DEFLATED,
allowZip64=True)
I managed to…
chubao
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13
votes
4 answers
zipfile.write() : relative path of files, reproduced in the zip archive
Using zip file, I indicate files locate within an other folder for example: './data/2003-2007/metropolis/Matrix_0_1_0.csv'
My problem is that, when I extract it, the files are found in ./data/2003-2007/metropolis/Matrix_0_1_0.csv, while I would like…
Touki
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12
votes
2 answers
How to check if a zip file is encrypted using python's standard library zipfile?
I am using python's standard library, zipfile, to test an archive:
zf = zipfile.ZipFile(archive_name)
if zf.testzip()==None: checksum_OK=True
And I am getting this Runtime exception:
File "./packaging.py", line 36, in test_wgt
if…
Eduard Florinescu
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11
votes
1 answer
How can I pass a Python StringIO() object to a ZipFile(), or is it not supported?
I have a StringIO() file-like object, and I am trying to write it to a ZipFile(), but I get this TypeError:
coercing to Unicode: need string or buffer, cStringIO.StringI found
Here is a sample of the code I am using:
file_like = StringIO()
archive…
Brian
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11
votes
5 answers
archiving symlinks with python zipfile
I have a script that creates zip files of dirs containing symlinks. I
was surprised to find that the zipfiles have zipped the targets of the
links as opposed to the links themselves, which is what I wanted and
expected. Anyone know how to get…
Larry Martell
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11
votes
3 answers
why can't python unzip a password protected zip file created by winrar using the zip method?
I have searched the web high and low but still couldn't find a solution for the above problem. Does anyone out there know why and if so how it can be done?
psw="dg"
ZipFile.extractall("data.zip", None, psw)
The error that I've got:
TypeError:…
wookie
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10
votes
4 answers
Is python zipfile thread-safe?
In a django project, I need to generate some pdf files for objects in db. Since each file takes a few seconds to generate, I use celery to run tasks asynchronously.
Problem is, I need to add each file to a zip archive. I was planning to use the…
Thibault J
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10
votes
3 answers
python: zipfile.ZipFile No such file or directory
There is folder path:
P:\\2018\\Archive\\
There are many zipfiles I want to create programmatically, but am starting with test. I will name this test zip file "CO_007_II.zip" and will attempt to create in above location:
import zipfile as zp
with…
geoJshaun
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