Mercurial > ~astiob > upreckon > hgweb

annotate zipfiles/zipfile272.diff @ 246:1bc89faac941 2.04

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Fixed: match='re' could produce duplicate test identifiers files.Files.regexp(pattern) now makes sure to return only one metafile for each matching virtual path, namely, the one that would be returned for that virtual path by files.Files.from_virtual_path.
author Oleg Oshmyan <chortos@inbox.lv>
date Thu, 03 Oct 2013 01:19:09 +0300
parents b993d9257400
children
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1 --- /usr/local/lib/python2.7/zipfile.py 2011-06-15 13:20:07.000000000 +0100
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2 +++ zipfile27.py 2011-06-03 20:20:40.000000000 +0100
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3 @@ -1,6 +1,7 @@
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4 """
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5 Read and write ZIP files.
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6 """
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7 +# Improved by Chortos-2 in 2010 (added bzip2 support)
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8 import struct, os, time, sys, shutil
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9 import binascii, cStringIO, stat
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10 import io
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11 @@ -13,8 +14,13 @@
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12 zlib = None
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13 crc32 = binascii.crc32
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14
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15 +try:
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16 + import bz2 # We may need its compression method
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17 +except ImportError:
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18 + bz2 = None
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19 +
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20 __all__ = ["BadZipfile", "error", "ZIP_STORED", "ZIP_DEFLATED", "is_zipfile",
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21 - "ZipInfo", "ZipFile", "PyZipFile", "LargeZipFile" ]
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22 + "ZipInfo", "ZipFile", "PyZipFile", "LargeZipFile", "ZIP_BZIP2" ]
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23
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24 class BadZipfile(Exception):
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25 pass
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26 @@ -35,6 +41,7 @@ class LargeZipFile(Exception):
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27 # constants for Zip file compression methods
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28 ZIP_STORED = 0
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29 ZIP_DEFLATED = 8
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30 +ZIP_BZIP2 = 12
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31 # Other ZIP compression methods not supported
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32
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33 # Below are some formats and associated data for reading/writing headers using
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34 @@ -483,6 +490,9 @@ def __init__(self, fileobj, mode, zi
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35
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36 if self._compress_type == ZIP_DEFLATED:
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37 self._decompressor = zlib.decompressobj(-15)
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38 + elif self._compress_type == ZIP_BZIP2:
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39 + self._decompressor = bz2.BZ2Decompressor()
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40 + self.MIN_READ_SIZE = 900000
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41 self._unconsumed = ''
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42
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43 self._readbuffer = ''
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44 @@ -641,6 +651,13 @@ def read1(self, n):
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45 self._update_crc(data, eof=eof)
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46 self._readbuffer = self._readbuffer[self._offset:] + data
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47 self._offset = 0
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48 + elif (len(self._unconsumed) > 0 and n > len_readbuffer and
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49 + self._compress_type == ZIP_BZIP2):
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50 + data = self._decompressor.decompress(self._unconsumed)
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51 +
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52 + self._unconsumed = ''
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53 + self._readbuffer = self._readbuffer[self._offset:] + data
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54 + self._offset = 0
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55
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56 # Read from buffer.
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57 data = self._readbuffer[self._offset: self._offset + n]
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58 @@ -657,7 +674,8 @@ class ZipFile:
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59 file: Either the path to the file, or a file-like object.
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60 If it is a path, the file will be opened and closed by ZipFile.
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61 mode: The mode can be either read "r", write "w" or append "a".
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62 - compression: ZIP_STORED (no compression) or ZIP_DEFLATED (requires zlib).
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63 + compression: ZIP_STORED (no compression), ZIP_DEFLATED (requires zlib),
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64 + or ZIP_BZIP2 (requires bz2).
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65 allowZip64: if True ZipFile will create files with ZIP64 extensions when
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66 needed, otherwise it will raise an exception when this would
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67 be necessary.
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68 @@ -677,6 +695,10 @@ def __init__(self, file, mode="r", c
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69 if not zlib:
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70 raise RuntimeError,\
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71 "Compression requires the (missing) zlib module"
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72 + elif compression == ZIP_BZIP2:
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73 + if not bz2:
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74 + raise RuntimeError,\
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75 + "Compression requires the (missing) bz2 module"
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76 else:
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77 raise RuntimeError, "That compression method is not supported"
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78
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79 @@ -1011,7 +1033,10 @@ def _writecheck(self, zinfo):
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80 if zinfo.compress_type == ZIP_DEFLATED and not zlib:
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81 raise RuntimeError, \
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82 "Compression requires the (missing) zlib module"
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83 - if zinfo.compress_type not in (ZIP_STORED, ZIP_DEFLATED):
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84 + if zinfo.compress_type == ZIP_BZIP2 and not bz2:
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85 + raise RuntimeError, \
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86 + "Compression requires the (missing) bz2 module"
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87 + if zinfo.compress_type not in (ZIP_STORED, ZIP_DEFLATED, ZIP_BZIP2):
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88 raise RuntimeError, \
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89 "That compression method is not supported"
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90 if zinfo.file_size > ZIP64_LIMIT:
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91 @@ -1072,6 +1097,8 @@ def write(self, filename, arcname=No
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92 if zinfo.compress_type == ZIP_DEFLATED:
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93 cmpr = zlib.compressobj(zlib.Z_DEFAULT_COMPRESSION,
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94 zlib.DEFLATED, -15)
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95 + elif zinfo.compress_type == ZIP_BZIP2:
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96 + cmpr = bz2.BZ2Compressor()
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97 else:
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98 cmpr = None
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99 while 1:
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100 @@ -1132,6 +1159,10 @@ def writestr(self, zinfo_or_arcname,
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101 zlib.DEFLATED, -15)
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102 bytes = co.compress(bytes) + co.flush()
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103 zinfo.compress_size = len(bytes) # Compressed size
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104 + elif zinfo.compress_type == ZIP_BZIP2:
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105 + co = bz2.BZ2Compressor()
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106 + bytes = co.compress(bytes) + co.flush()
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107 + zinfo.compress_size = len(bytes) # Compressed size
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108 else:
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109 zinfo.compress_size = zinfo.file_size
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110 zinfo.header_offset = self.fp.tell() # Start of header bytes