Hi,
Are there any Python experts in the house? I've got some code that attempts
to open an existing zip file and then copy one the files within the zip file
to two new zip files. The code is throwing an exception indicating that the
directory and header of the existing zip file differ.
To illustrate the problem, I've reduced the code down to the following. This
code creates a simple zip file that contains two files, foo.txt and bar.txt.
It then attempts to create four new zip files. The first two zip files
contain foo.txt, and the second two zip files should contain bar.txt. However,
the fourth call to create_dst() results in an exception, and I can't figure
what I'm doing wrong.
Note that running this code will create src.zip and dst[0-3].zip in the
current directory.
#!/usr/bin/env python
import zipfile
import sys
def create_dst(src_zip, archive_name_dst, member_name):
print(archive_name_dst)
dst_zip = zipfile.ZipFile(archive_name_dst, 'w',
compression=zipfile.ZIP_DEFLATED)
info = src_zip.getinfo(member_name)
src_member = src_zip.open(info)
dst_member = dst_zip.open(info, 'w')
dst_member.write(src_member.read())
dst_member.close()
src_member.close()
dst_zip.close()
def main() -> int:
# Create source zip
new_zip = zipfile.ZipFile("src.zip", 'w',
compression=zipfile.ZIP_DEFLATED)
new_zip.writestr("foo.txt", "Hello")
new_zip.writestr("bar.txt", "World")
new_zip.close()
# Open source zip
src_zip = zipfile.ZipFile("src.zip")
create_dst(src_zip, "dst0.zip", "foo.txt")
create_dst(src_zip, "dst1.zip", "foo.txt")
create_dst(src_zip, "dst2.zip", "bar.txt")
create_dst(src_zip, "dst3.zip", "bar.txt")
src_zip.close()
return 0
if __name__ == '__main__':
sys.exit(main())
$ python --version
Python 3.11.2
$ cat /etc/debian_version
12.13
$ ./zipissue.py
dst0.zip
dst1.zip
dst2.zip
dst3.zip
Traceback (most recent call last):
File "/home/galens/jobs/mth/sw/pkgupdate/zipbug/./zipissue.py", line 41, in
<module>
sys.exit(main())
^^^^^^
File "/home/galens/jobs/mth/sw/pkgupdate/zipbug/./zipissue.py", line 34, in
main
create_dst(src_zip, "dst3.zip", "bar.txt")
File "/home/galens/jobs/mth/sw/pkgupdate/zipbug/./zipissue.py", line 12, in
create_dst
src_member = src_zip.open(info)
^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.11/zipfile.py", line 1595, in open
raise BadZipFile(
zipfile.BadZipFile: File name in directory 'bar.txt' and header b'foo.txt'
differ.
Any hints or pointers would be much appreciated. Thanks!
galen
--
Galen Seitz
[email protected]
