Oren Tirosh <or*******@hishome.net> schreef:
ZIP files *can* contain directories. They are described as zero-length
files with some flag set. I don't see any specific API for this in
zipfile.py but I think that if you pass a ZipInfo record with the right
values to ZipFile.writestr it should probably work. Consult the
documentation of the zip format or just create a zip containing an empty
directory with any zip utility look at the ZipInfo using zipfile.py.
I checked with some Windows ZIP utilities and it seems like they don't add
empty directories--oh wait it's an option that's off by default...
( *oops* ;)
They are added as an empty "file", with a filename sometimes ending in "/"
and sometimes not (this is not defined in the ZIP format specs?), and the
"directory" external attribute set.
The following script works for me:
=========================================
import zipfile
zf = zipfile.ZipFile('zftest.zip', 'w')
# This works:
zfi = zipfile.ZipInfo('test1/')
zf.writestr(zfi, '')
# This works too:
zfi = zipfile.ZipInfo('test2')
zfi.external_attr = 16
zf.writestr(zfi, '')
# But this doesn't:
#
# zf.write('test3')
#
# And this doesn't either:
#
# zf.write('test4/')
zf.close()
=========================================
Seems like the zipfile module requires the trailing "/" and/or manual
setting the attribute for directories in the ZipInfo object. If you want
to preserve other attributes you'll have to set them manually...
And the write() method doesn't work with directories... :-(
In fact the write() method is broken and doesn't store any file attributes
correctly on Windows...
--
JanC
"Be strict when sending and tolerant when receiving."
RFC 1958 - Architectural Principles of the Internet - section 3.9
