ZipFile.write(filename, arcname=None, compress_type=None)
Write the file named filename to the archive, giving it the archive name arcname (by default, this will be the same as filename, but without a drive letter and with leading path separators removed). If given, compress_type overrides the value given for the compression parameter to the constructor for the new entry. The archive must be open with mode 'w'
, 'x'
or 'a'
– calling write()
on a ZipFile created with mode 'r'
will raise a RuntimeError
. Calling write()
on a closed ZipFile will raise a RuntimeError
.
Note
There is no official file name encoding for ZIP files. If you have unicode file names, you must convert them to byte strings in your desired encoding before passing them to write()
. WinZip interprets all file names as encoded in CP437, also known as DOS Latin.
Note
Archive names should be relative to the archive root, that is, they should not start with a path separator.
Note
If arcname
(or filename
, if arcname
is not given) contains a null byte, the name of the file in the archive will be truncated at the null byte.
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