Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/zipstream/__init__.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 # -*- coding: utf-8 -*- |
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2 """ |
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3 Iterable ZIP archive generator. |
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4 |
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5 Derived directly from zipfile.py |
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6 """ |
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7 from __future__ import unicode_literals, print_function, with_statement |
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8 |
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9 __version__ = '1.1.4' |
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10 |
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11 import os |
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12 import sys |
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13 import stat |
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14 import struct |
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15 import time |
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16 import zipfile |
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17 |
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18 from .compat import ( |
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19 str, bytes, |
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20 ZIP64_VERSION, |
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21 ZIP_BZIP2, BZIP2_VERSION, |
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22 ZIP_LZMA, LZMA_VERSION, |
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23 SEEK_SET, SEEK_CUR, SEEK_END) |
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24 |
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25 from zipfile import ( |
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26 ZIP_STORED, ZIP64_LIMIT, ZIP_FILECOUNT_LIMIT, ZIP_MAX_COMMENT, |
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27 ZIP_DEFLATED, |
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28 structCentralDir, structEndArchive64, structEndArchive, structEndArchive64Locator, |
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29 stringCentralDir, stringEndArchive64, stringEndArchive, stringEndArchive64Locator, |
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30 structFileHeader, stringFileHeader, |
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31 zlib, crc32) |
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32 |
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33 stringDataDescriptor = b'PK\x07\x08' # magic number for data descriptor |
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34 |
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35 |
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36 def _get_compressor(compress_type): |
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37 if compress_type == ZIP_DEFLATED: |
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38 return zlib.compressobj(zlib.Z_DEFAULT_COMPRESSION, zlib.DEFLATED, -15) |
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39 elif compress_type == ZIP_BZIP2: |
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40 from zipfile import bz2 |
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41 return bz2.BZ2Compressor() |
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42 elif compress_type == ZIP_LZMA: |
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43 from zipfile import LZMACompressor |
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44 return LZMACompressor() |
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45 else: |
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46 return None |
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47 |
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48 |
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49 class PointerIO(object): |
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50 def __init__(self, mode='wb'): |
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51 if mode not in ('wb', ): |
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52 raise RuntimeError('zipstream.ZipFile() requires mode "wb"') |
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53 self.data_pointer = 0 |
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54 self.__mode = mode |
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55 self.__closed = False |
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56 |
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57 @property |
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58 def mode(self): |
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59 return self.__mode |
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60 |
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61 @property |
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62 def closed(self): |
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63 return self.__closed |
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64 |
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65 def close(self): |
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66 self.__closed = True |
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67 |
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68 def flush(self): |
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69 pass |
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70 |
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71 def next(self): |
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72 raise NotImplementedError() |
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73 |
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74 # def seek(self, offset, whence=None): |
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75 # if whence == SEEK_SET: |
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76 # if offset < 0: |
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77 # raise ValueError('negative seek value -1') |
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78 # self.data_pointer = offset |
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79 # elif whence == SEEK_CUR: |
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80 # self.data_pointer = max(0, self.data_pointer + offset) |
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81 # elif whence == SEEK_END: |
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82 # self.data_pointer = max(0, offset) |
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83 # return self.data_pointer |
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84 |
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85 def tell(self): |
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86 return self.data_pointer |
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87 |
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88 def truncate(size=None): |
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89 raise NotImplementedError() |
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90 |
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91 def write(self, data): |
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92 if self.closed: |
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93 raise ValueError('I/O operation on closed file') |
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94 |
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95 if isinstance(data, str): |
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96 data = data.encode('utf-8') |
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97 if not isinstance(data, bytes): |
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98 raise TypeError('expected bytes') |
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99 self.data_pointer += len(data) |
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100 return data |
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101 |
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102 |
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103 class ZipInfo(zipfile.ZipInfo): |
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104 def __init__(self, *args, **kwargs): |
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105 zipfile.ZipInfo.__init__(self, *args, **kwargs) |
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106 self.flag_bits = 0x08 # ZIP flag bits, bit 3 indicates presence of data descriptor |
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107 |
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108 def FileHeader(self, zip64=None): |
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109 """Return the per-file header as a string.""" |
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110 dt = self.date_time |
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111 dosdate = (dt[0] - 1980) << 9 | dt[1] << 5 | dt[2] |
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112 dostime = dt[3] << 11 | dt[4] << 5 | (dt[5] // 2) |
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113 if self.flag_bits & 0x08: |
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114 # Set these to zero because we write them after the file data |
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115 CRC = compress_size = file_size = 0 |
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116 else: |
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117 CRC = self.CRC |
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118 compress_size = self.compress_size |
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119 file_size = self.file_size |
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120 |
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121 extra = self.extra |
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122 |
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123 min_version = 0 |
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124 if zip64 is None: |
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125 zip64 = file_size > ZIP64_LIMIT or compress_size > ZIP64_LIMIT |
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126 if zip64: |
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127 fmt = b'<HHQQ' |
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128 extra = extra + struct.pack(fmt, |
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129 1, struct.calcsize(fmt)-4, file_size, compress_size) |
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130 if file_size > ZIP64_LIMIT or compress_size > ZIP64_LIMIT: |
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131 if not zip64: |
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132 raise LargeZipFile("Filesize would require ZIP64 extensions") |
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133 # File is larger than what fits into a 4 byte integer, |
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134 # fall back to the ZIP64 extension |
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135 file_size = 0xffffffff |
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136 compress_size = 0xffffffff |
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137 min_version = ZIP64_VERSION |
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138 |
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139 if self.compress_type == ZIP_BZIP2: |
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140 min_version = max(BZIP2_VERSION, min_version) |
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141 elif self.compress_type == ZIP_LZMA: |
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142 min_version = max(LZMA_VERSION, min_version) |
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143 |
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144 self.extract_version = max(min_version, self.extract_version) |
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145 self.create_version = max(min_version, self.create_version) |
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146 filename, flag_bits = self._encodeFilenameFlags() |
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147 header = struct.pack(structFileHeader, stringFileHeader, |
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148 self.extract_version, self.reserved, flag_bits, |
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149 self.compress_type, dostime, dosdate, CRC, |
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150 compress_size, file_size, |
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151 len(filename), len(extra)) |
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152 return header + filename + extra |
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153 |
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154 def DataDescriptor(self): |
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155 """ |
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156 crc-32 4 bytes |
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157 compressed size 4 bytes |
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158 uncompressed size 4 bytes |
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159 """ |
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160 if self.compress_size > ZIP64_LIMIT or self.file_size > ZIP64_LIMIT: |
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161 fmt = b'<4sLQQ' |
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162 else: |
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163 fmt = b'<4sLLL' |
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164 return struct.pack(fmt, stringDataDescriptor, self.CRC, self.compress_size, self.file_size) |
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165 |
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166 |
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167 class ZipFile(zipfile.ZipFile): |
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168 def __init__(self, fileobj=None, mode='w', compression=ZIP_STORED, allowZip64=False): |
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169 """Open the ZIP file with mode write "w".""" |
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170 if mode not in ('w', ): |
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171 raise RuntimeError('zipstream.ZipFile() requires mode "w"') |
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172 if fileobj is None: |
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173 fileobj = PointerIO() |
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174 |
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175 self._comment = b'' |
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176 zipfile.ZipFile.__init__(self, fileobj, mode=mode, compression=compression, allowZip64=allowZip64) |
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177 # TODO: Refractor to write queue with args + kwargs matching write() |
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178 self.paths_to_write = [] |
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179 |
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180 def __iter__(self): |
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181 for data in self.flush(): |
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182 yield data |
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183 for data in self.__close(): |
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184 yield data |
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185 |
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186 def __enter__(self): |
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187 return self |
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188 |
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189 def __exit__(self, type, value, traceback): |
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190 self.close() |
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191 |
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192 def flush(self): |
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193 while self.paths_to_write: |
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194 kwargs = self.paths_to_write.pop(0) |
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195 for data in self.__write(**kwargs): |
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196 yield data |
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197 |
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198 @property |
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199 def comment(self): |
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200 """The comment text associated with the ZIP file.""" |
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201 return self._comment |
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202 |
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203 @comment.setter |
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204 def comment(self, comment): |
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205 if not isinstance(comment, bytes): |
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206 raise TypeError("comment: expected bytes, got %s" % type(comment)) |
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207 # check for valid comment length |
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208 if len(comment) >= ZIP_MAX_COMMENT: |
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209 if self.debug: |
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210 print('Archive comment is too long; truncating to %d bytes' |
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211 % ZIP_MAX_COMMENT) |
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212 comment = comment[:ZIP_MAX_COMMENT] |
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213 self._comment = comment |
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214 self._didModify = True |
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215 |
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216 def write(self, filename, arcname=None, compress_type=None): |
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217 # TODO: Reflect python's Zipfile.write |
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218 # - if filename is file, write as file |
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219 # - if filename is directory, write an empty directory |
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220 kwargs = {'filename': filename, 'arcname': arcname, 'compress_type': compress_type} |
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221 self.paths_to_write.append(kwargs) |
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222 |
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223 def write_iter(self, arcname, iterable, compress_type=None, buffer_size=None, date_time=None): |
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224 """Write the bytes iterable `iterable` to the archive under the name `arcname`.""" |
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225 kwargs = {'arcname': arcname, 'iterable': iterable, 'compress_type': compress_type, 'buffer_size': buffer_size, 'date_time': date_time} |
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226 self.paths_to_write.append(kwargs) |
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227 |
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228 def writestr(self, arcname, data, compress_type=None, buffer_size=None, date_time=None): |
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229 """ |
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230 Writes a str into ZipFile by wrapping data as a generator |
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231 """ |
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232 def _iterable(): |
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233 yield data |
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234 return self.write_iter(arcname, _iterable(), compress_type=compress_type, buffer_size=buffer_size, date_time=date_time) |
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235 |
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236 def __write(self, filename=None, iterable=None, arcname=None, compress_type=None, buffer_size=None, date_time=None): |
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237 """Put the bytes from filename into the archive under the name |
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238 `arcname`.""" |
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239 if not self.fp: |
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240 raise RuntimeError( |
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241 "Attempt to write to ZIP archive that was already closed") |
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242 if (filename is None and iterable is None) or (filename is not None and iterable is not None): |
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243 raise ValueError("either (exclusively) filename or iterable shall be not None") |
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244 |
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245 if filename: |
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246 st = os.stat(filename) |
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247 isdir = stat.S_ISDIR(st.st_mode) |
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248 mtime = time.localtime(st.st_mtime) |
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249 date_time = mtime[0:6] |
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250 else: |
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251 st, isdir = None, False |
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252 if date_time is not None and isinstance(date_time, time.struct_time): |
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253 date_time = date_time[0:6] |
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254 if date_time is None: |
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255 date_time = time.localtime()[0:6] |
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256 # Create ZipInfo instance to store file information |
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257 if arcname is None: |
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258 arcname = filename |
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259 arcname = os.path.normpath(os.path.splitdrive(arcname)[1]) |
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260 while arcname[0] in (os.sep, os.altsep): |
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261 arcname = arcname[1:] |
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262 if isdir: |
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263 arcname += '/' |
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264 zinfo = ZipInfo(arcname, date_time) |
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265 if st: |
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266 zinfo.external_attr = (st[0] & 0xFFFF) << 16 # Unix attributes |
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267 else: |
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268 zinfo.external_attr = 0o600 << 16 # ?rw------- |
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269 if compress_type is None: |
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270 zinfo.compress_type = self.compression |
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271 else: |
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272 zinfo.compress_type = compress_type |
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273 |
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274 if st: |
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275 zinfo.file_size = st[6] |
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276 else: |
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277 zinfo.file_size = buffer_size or 0 |
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278 zinfo.flag_bits = 0x00 |
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279 zinfo.flag_bits |= 0x08 # ZIP flag bits, bit 3 indicates presence of data descriptor |
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280 zinfo.header_offset = self.fp.tell() # Start of header bytes |
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281 if zinfo.compress_type == ZIP_LZMA: |
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282 # Compressed data includes an end-of-stream (EOS) marker |
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283 zinfo.flag_bits |= 0x02 |
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284 |
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285 self._writecheck(zinfo) |
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286 self._didModify = True |
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287 |
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288 if isdir: |
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289 zinfo.file_size = 0 |
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290 zinfo.compress_size = 0 |
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291 zinfo.CRC = 0 |
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292 self.filelist.append(zinfo) |
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293 self.NameToInfo[zinfo.filename] = zinfo |
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294 yield self.fp.write(zinfo.FileHeader(False)) |
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295 return |
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296 |
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297 cmpr = _get_compressor(zinfo.compress_type) |
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298 |
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299 # Must overwrite CRC and sizes with correct data later |
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300 zinfo.CRC = CRC = 0 |
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301 zinfo.compress_size = compress_size = 0 |
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302 # Compressed size can be larger than uncompressed size |
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303 zip64 = self._allowZip64 and \ |
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304 zinfo.file_size * 1.05 > ZIP64_LIMIT |
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305 yield self.fp.write(zinfo.FileHeader(zip64)) |
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306 file_size = 0 |
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307 if filename: |
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308 with open(filename, 'rb') as fp: |
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309 while 1: |
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310 buf = fp.read(1024 * 8) |
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311 if not buf: |
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312 break |
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313 file_size = file_size + len(buf) |
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314 CRC = crc32(buf, CRC) & 0xffffffff |
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315 if cmpr: |
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316 buf = cmpr.compress(buf) |
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317 compress_size = compress_size + len(buf) |
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318 yield self.fp.write(buf) |
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319 else: # we have an iterable |
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320 for buf in iterable: |
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321 file_size = file_size + len(buf) |
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322 CRC = crc32(buf, CRC) & 0xffffffff |
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323 if cmpr: |
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324 buf = cmpr.compress(buf) |
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325 compress_size = compress_size + len(buf) |
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326 yield self.fp.write(buf) |
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327 if cmpr: |
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328 buf = cmpr.flush() |
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329 compress_size = compress_size + len(buf) |
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330 yield self.fp.write(buf) |
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331 zinfo.compress_size = compress_size |
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332 else: |
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333 zinfo.compress_size = file_size |
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334 zinfo.CRC = CRC |
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335 zinfo.file_size = file_size |
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|
336 if not zip64 and self._allowZip64: |
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337 if file_size > ZIP64_LIMIT: |
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parents:
diff
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338 raise RuntimeError('File size has increased during compressing') |
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parents:
diff
changeset
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339 if compress_size > ZIP64_LIMIT: |
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shellac
parents:
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340 raise RuntimeError('Compressed size larger than uncompressed size') |
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parents:
diff
changeset
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341 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
diff
changeset
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342 # Seek backwards and write file header (which will now include |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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changeset
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343 # correct CRC and file sizes) |
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344 # position = self.fp.tell() # Preserve current position in file |
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345 # self.fp.seek(zinfo.header_offset, 0) |
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346 # self.fp.write(zinfo.FileHeader(zip64)) |
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347 # self.fp.seek(position, 0) |
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348 yield self.fp.write(zinfo.DataDescriptor()) |
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parents:
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changeset
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349 self.filelist.append(zinfo) |
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350 self.NameToInfo[zinfo.filename] = zinfo |
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parents:
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changeset
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351 |
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parents:
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changeset
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352 def __close(self): |
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shellac
parents:
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changeset
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353 """Close the file, and for mode "w" write the ending |
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shellac
parents:
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changeset
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354 records.""" |
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shellac
parents:
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changeset
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355 if self.fp is None: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
356 return |
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shellac
parents:
diff
changeset
|
357 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
358 try: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
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359 if self.mode in ('w', 'a') and self._didModify: # write ending records |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
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360 count = 0 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
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361 pos1 = self.fp.tell() |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
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362 for zinfo in self.filelist: # write central directory |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
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363 count = count + 1 |
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shellac
parents:
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changeset
|
364 dt = zinfo.date_time |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
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365 dosdate = (dt[0] - 1980) << 9 | dt[1] << 5 | dt[2] |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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parents:
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changeset
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366 dostime = dt[3] << 11 | dt[4] << 5 | (dt[5] // 2) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
|
367 extra = [] |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
|
368 if zinfo.file_size > ZIP64_LIMIT \ |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
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369 or zinfo.compress_size > ZIP64_LIMIT: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
|
370 extra.append(zinfo.file_size) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
|
371 extra.append(zinfo.compress_size) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
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372 file_size = 0xffffffff |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
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changeset
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373 compress_size = 0xffffffff |
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shellac
parents:
diff
changeset
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374 else: |
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shellac
parents:
diff
changeset
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375 file_size = zinfo.file_size |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
376 compress_size = zinfo.compress_size |
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shellac
parents:
diff
changeset
|
377 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
378 if zinfo.header_offset > ZIP64_LIMIT: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
379 extra.append(zinfo.header_offset) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
380 header_offset = 0xffffffff |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
381 else: |
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shellac
parents:
diff
changeset
|
382 header_offset = zinfo.header_offset |
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shellac
parents:
diff
changeset
|
383 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
384 extra_data = zinfo.extra |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
385 min_version = 0 |
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shellac
parents:
diff
changeset
|
386 if extra: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
387 # Append a ZIP64 field to the extra's |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
388 extra_data = struct.pack( |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
389 b'<HH' + b'Q'*len(extra), |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
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390 1, 8*len(extra), *extra) + extra_data |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
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391 min_version = ZIP64_VERSION |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
392 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
393 if zinfo.compress_type == ZIP_BZIP2: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
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394 min_version = max(BZIP2_VERSION, min_version) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
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395 elif zinfo.compress_type == ZIP_LZMA: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
396 min_version = max(LZMA_VERSION, min_version) |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
397 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
398 extract_version = max(min_version, zinfo.extract_version) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
399 create_version = max(min_version, zinfo.create_version) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
400 try: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
401 filename, flag_bits = zinfo._encodeFilenameFlags() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
402 centdir = struct.pack(structCentralDir, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
403 stringCentralDir, create_version, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
404 zinfo.create_system, extract_version, zinfo.reserved, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
405 flag_bits, zinfo.compress_type, dostime, dosdate, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
406 zinfo.CRC, compress_size, file_size, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
407 len(filename), len(extra_data), len(zinfo.comment), |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
408 0, zinfo.internal_attr, zinfo.external_attr, |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
409 header_offset) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
410 except DeprecationWarning: |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
411 print((structCentralDir, stringCentralDir, create_version, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
412 zinfo.create_system, extract_version, zinfo.reserved, |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
413 zinfo.flag_bits, zinfo.compress_type, dostime, dosdate, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
414 zinfo.CRC, compress_size, file_size, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
415 len(zinfo.filename), len(extra_data), len(zinfo.comment), |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
416 0, zinfo.internal_attr, zinfo.external_attr, |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
417 header_offset), file=sys.stderr) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
418 raise |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
419 yield self.fp.write(centdir) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
420 yield self.fp.write(filename) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
421 yield self.fp.write(extra_data) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
422 yield self.fp.write(zinfo.comment) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
423 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
424 pos2 = self.fp.tell() |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
425 # Write end-of-zip-archive record |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
426 centDirCount = count |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
427 centDirSize = pos2 - pos1 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
428 centDirOffset = pos1 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
429 if (centDirCount >= ZIP_FILECOUNT_LIMIT or |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
430 centDirOffset > ZIP64_LIMIT or |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
431 centDirSize > ZIP64_LIMIT): |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
432 # Need to write the ZIP64 end-of-archive records |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
433 zip64endrec = struct.pack( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
434 structEndArchive64, stringEndArchive64, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
435 44, 45, 45, 0, 0, centDirCount, centDirCount, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
436 centDirSize, centDirOffset) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
437 yield self.fp.write(zip64endrec) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
438 |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
439 zip64locrec = struct.pack( |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
440 structEndArchive64Locator, |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
441 stringEndArchive64Locator, 0, pos2, 1) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
442 yield self.fp.write(zip64locrec) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
443 centDirCount = min(centDirCount, 0xFFFF) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
444 centDirSize = min(centDirSize, 0xFFFFFFFF) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
|
445 centDirOffset = min(centDirOffset, 0xFFFFFFFF) |
4f3585e2f14b
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
shellac
parents:
diff
changeset
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446 |
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447 endrec = struct.pack(structEndArchive, stringEndArchive, |
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448 0, 0, centDirCount, centDirCount, |
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449 centDirSize, centDirOffset, len(self._comment)) |
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450 yield self.fp.write(endrec) |
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451 yield self.fp.write(self._comment) |
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452 self.fp.flush() |
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453 finally: |
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454 fp = self.fp |
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455 self.fp = None |
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456 if not self._filePassed: |
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457 fp.close() |