Mercurial > ~astiob > upreckon > hgweb

annotate zipfile271.diff @ 75:007f7eb6fb2b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
The test context stack is now a deque. Deques have a faster pop() than lists do.
author Oleg Oshmyan <chortos@inbox.lv>
date Thu, 06 Jan 2011 23:53:31 +0200
parents 4ea7133ac25c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
32
3000bb94addb Updated zipfile to 2.7.1 and 3.1.3 final releases.
Oleg Oshmyan <chortos@inbox.lv>
parents: 29
diff changeset
1 --- /usr/local/lib/python2.7/zipfile.py 2010-11-29 00:56:38.000000000 +0000
3000bb94addb Updated zipfile to 2.7.1 and 3.1.3 final releases.
Oleg Oshmyan <chortos@inbox.lv>
parents: 29
diff changeset
2 +++ zipfile271.py 2010-11-29 01:20:17.000000000 +0000
29
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
3 @@ -1,6 +1,7 @@
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
4 """
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
5 Read and write ZIP files.
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
6 """
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
7 +# Improved by Chortos-2 in 2010 (added bzip2 support)
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
8 import struct, os, time, sys, shutil
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
9 import binascii, cStringIO, stat
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
10 import io
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
11 @@ -13,8 +14,13 @@
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
12 zlib = None
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
13 crc32 = binascii.crc32
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
14
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
15 +try:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
16 + import bz2 # We may need its compression method
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
17 +except ImportError:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
18 + bz2 = None
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
19 +
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
20 __all__ = ["BadZipfile", "error", "ZIP_STORED", "ZIP_DEFLATED", "is_zipfile",
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
21 - "ZipInfo", "ZipFile", "PyZipFile", "LargeZipFile" ]
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
22 + "ZipInfo", "ZipFile", "PyZipFile", "LargeZipFile", "ZIP_BZIP2" ]
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
23
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
24 class BadZipfile(Exception):
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
25 pass
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
26 @@ -35,6 +41,7 @@
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
27 # constants for Zip file compression methods
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
28 ZIP_STORED = 0
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
29 ZIP_DEFLATED = 8
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
30 +ZIP_BZIP2 = 12
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
31 # Other ZIP compression methods not supported
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
32
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
33 # Below are some formats and associated data for reading/writing headers using
32
3000bb94addb Updated zipfile to 2.7.1 and 3.1.3 final releases.
Oleg Oshmyan <chortos@inbox.lv>
parents: 29
diff changeset
34 @@ -483,6 +490,9 @@
29
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
35
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
36 if self._compress_type == ZIP_DEFLATED:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
37 self._decompressor = zlib.decompressobj(-15)
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
38 + elif self._compress_type == ZIP_BZIP2:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
39 + self._decompressor = bz2.BZ2Decompressor()
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
40 + self.MIN_READ_SIZE = 900000
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
41 self._unconsumed = ''
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
42
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
43 self._readbuffer = ''
32
3000bb94addb Updated zipfile to 2.7.1 and 3.1.3 final releases.
Oleg Oshmyan <chortos@inbox.lv>
parents: 29
diff changeset
44 @@ -641,6 +651,13 @@
29
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
45 self._update_crc(data, eof=eof)
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
46 self._readbuffer = self._readbuffer[self._offset:] + data
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
47 self._offset = 0
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
48 + elif (len(self._unconsumed) > 0 and n > len_readbuffer and
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
49 + self._compress_type == ZIP_BZIP2):
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
50 + data = self._decompressor.decompress(self._unconsumed)
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
51 +
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
52 + self._unconsumed = ''
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
53 + self._readbuffer = self._readbuffer[self._offset:] + data
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
54 + self._offset = 0
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
55
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
56 # Read from buffer.
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
57 data = self._readbuffer[self._offset: self._offset + n]
32
3000bb94addb Updated zipfile to 2.7.1 and 3.1.3 final releases.
Oleg Oshmyan <chortos@inbox.lv>
parents: 29
diff changeset
58 @@ -657,7 +674,8 @@
29
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
59 file: Either the path to the file, or a file-like object.
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
60 If it is a path, the file will be opened and closed by ZipFile.
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
61 mode: The mode can be either read "r", write "w" or append "a".
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
62 - compression: ZIP_STORED (no compression) or ZIP_DEFLATED (requires zlib).
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
63 + compression: ZIP_STORED (no compression), ZIP_DEFLATED (requires zlib),
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
64 + or ZIP_BZIP2 (requires bz2).
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
65 allowZip64: if True ZipFile will create files with ZIP64 extensions when
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
66 needed, otherwise it will raise an exception when this would
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
67 be necessary.
32
3000bb94addb Updated zipfile to 2.7.1 and 3.1.3 final releases.
Oleg Oshmyan <chortos@inbox.lv>
parents: 29
diff changeset
68 @@ -677,6 +695,10 @@
29
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
69 if not zlib:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
70 raise RuntimeError,\
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
71 "Compression requires the (missing) zlib module"
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
72 + elif compression == ZIP_BZIP2:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
73 + if not bz2:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
74 + raise RuntimeError,\
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
75 + "Compression requires the (missing) bz2 module"
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
76 else:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
77 raise RuntimeError, "That compression method is not supported"
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
78
32
3000bb94addb Updated zipfile to 2.7.1 and 3.1.3 final releases.
Oleg Oshmyan <chortos@inbox.lv>
parents: 29
diff changeset
79 @@ -1011,7 +1033,10 @@
29
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
80 if zinfo.compress_type == ZIP_DEFLATED and not zlib:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
81 raise RuntimeError, \
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
82 "Compression requires the (missing) zlib module"
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
83 - if zinfo.compress_type not in (ZIP_STORED, ZIP_DEFLATED):
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
84 + if zinfo.compress_type == ZIP_BZIP2 and not bz2:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
85 + raise RuntimeError, \
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
86 + "Compression requires the (missing) bz2 module"
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
87 + if zinfo.compress_type not in (ZIP_STORED, ZIP_DEFLATED, ZIP_BZIP2):
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
88 raise RuntimeError, \
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
89 "That compression method is not supported"
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
90 if zinfo.file_size > ZIP64_LIMIT:
32
3000bb94addb Updated zipfile to 2.7.1 and 3.1.3 final releases.
Oleg Oshmyan <chortos@inbox.lv>
parents: 29
diff changeset
91 @@ -1072,6 +1097,8 @@
29
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
92 if zinfo.compress_type == ZIP_DEFLATED:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
93 cmpr = zlib.compressobj(zlib.Z_DEFAULT_COMPRESSION,
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
94 zlib.DEFLATED, -15)
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
95 + elif zinfo.compress_type == ZIP_BZIP2:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
96 + cmpr = bz2.BZ2Compressor()
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
97 else:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
98 cmpr = None
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
99 while 1:
32
3000bb94addb Updated zipfile to 2.7.1 and 3.1.3 final releases.
Oleg Oshmyan <chortos@inbox.lv>
parents: 29
diff changeset
100 @@ -1132,6 +1159,10 @@
29
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
101 zlib.DEFLATED, -15)
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
102 bytes = co.compress(bytes) + co.flush()
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
103 zinfo.compress_size = len(bytes) # Compressed size
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
104 + elif zinfo.compress_type == ZIP_BZIP2:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
105 + co = bz2.BZ2Compressor()
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
106 + bytes = co.compress(bytes) + co.flush()
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
107 + zinfo.compress_size = len(bytes) # Compressed size
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
108 else:
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
109 zinfo.compress_size = zinfo.file_size
a8cc383b787c Clean up zipfiles and diff them to stock ones
Oleg Oshmyan <chortos@inbox.lv>
parents:
diff changeset
110 zinfo.header_offset = self.fp.tell() # Start of header bytes