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[ #458701 ] Patch to zipfile.py for Java 

Patch by Jim Ahlstrom which lets java's zipfile classes read zipfiles
create by zipfile.py.
This commit is contained in:
Finn Bock 2001-09-05 18:40:33 +00:00
parent 198c1d8b59
commit 03a3bb812a
1 changed files with 9 additions and 5 deletions
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14
Lib/zipfile.py
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@ -383,13 +383,14 @@ class ZipFile:
zinfo.compress_type = compress_type
self._writecheck(zinfo)
fp = open(filename, "rb")
zinfo.flag_bits = 0x08
zinfo.flag_bits = 0x00
zinfo.header_offset = self.fp.tell() # Start of header bytes
# Must overwrite CRC and sizes with correct data later
zinfo.CRC = CRC = 0
zinfo.compress_size = compress_size = 0
zinfo.file_size = file_size = 0
self.fp.write(zinfo.FileHeader())
zinfo.file_offset = self.fp.tell() # Start of file bytes
CRC = 0
compress_size = 0
file_size = 0
if zinfo.compress_type == ZIP_DEFLATED:
cmpr = zlib.compressobj(zlib.Z_DEFAULT_COMPRESSION,
zlib.DEFLATED, -15)
@ -415,9 +416,12 @@ class ZipFile:
zinfo.compress_size = file_size
zinfo.CRC = CRC
zinfo.file_size = file_size
# Write CRC and file sizes after the file data
# Seek backwards and write CRC and file sizes
position = self.fp.tell() # Preserve current position in file
self.fp.seek(zinfo.header_offset + 14, 0)
self.fp.write(struct.pack("<lll", zinfo.CRC, zinfo.compress_size,
zinfo.file_size))
self.fp.seek(position, 0)
self.filelist.append(zinfo)
self.NameToInfo[zinfo.filename] = zinfo