diff options
Diffstat (limited to 'Lib/zipfile.py')
| -rw-r--r-- | Lib/zipfile.py | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/Lib/zipfile.py b/Lib/zipfile.py index 2672d0a..73b62af 100644 --- a/Lib/zipfile.py +++ b/Lib/zipfile.py @@ -257,12 +257,19 @@ class ZipInfo (object): self.extract_version = max(45, self.extract_version) self.create_version = max(45, self.extract_version) + filename, flag_bits = self._encodeFilenameFlags() header = struct.pack(structFileHeader, stringFileHeader, - self.extract_version, self.reserved, self.flag_bits, + self.extract_version, self.reserved, flag_bits, self.compress_type, dostime, dosdate, CRC, compress_size, file_size, - len(self.filename), len(extra)) - return header + self.filename.encode("utf-8") + extra + len(filename), len(extra)) + return header + filename + extra + + def _encodeFilenameFlags(self): + try: + return self.filename.encode('ascii'), self.flag_bits + except UnicodeEncodeError: + return self.filename.encode('utf-8'), self.flag_bits | 0x800 def _decodeExtra(self): # Try to decode the extra field. @@ -681,8 +688,15 @@ class ZipFile: if self.debug > 2: print(centdir) filename = fp.read(centdir[_CD_FILENAME_LENGTH]) + flags = centdir[5] + if flags & 0x800: + # UTF-8 file names extension + filename = filename.decode('utf-8') + else: + # Historical ZIP filename encoding + filename = filename.decode('cp437') # Create ZipInfo instance to store file information - x = ZipInfo(filename.decode("utf-8")) + x = ZipInfo(filename) x.extra = fp.read(centdir[_CD_EXTRA_FIELD_LENGTH]) x.comment = fp.read(centdir[_CD_COMMENT_LENGTH]) total = (total + centdir[_CD_FILENAME_LENGTH] @@ -1067,16 +1081,17 @@ class ZipFile: extract_version = zinfo.extract_version create_version = zinfo.create_version + filename, flag_bits = zinfo._encodeFilenameFlags() centdir = struct.pack(structCentralDir, stringCentralDir, create_version, zinfo.create_system, extract_version, zinfo.reserved, - zinfo.flag_bits, zinfo.compress_type, dostime, dosdate, + flag_bits, zinfo.compress_type, dostime, dosdate, zinfo.CRC, compress_size, file_size, - len(zinfo.filename), len(extra_data), len(zinfo.comment), + len(filename), len(extra_data), len(zinfo.comment), 0, zinfo.internal_attr, zinfo.external_attr, header_offset) self.fp.write(centdir) - self.fp.write(zinfo.filename.encode("utf-8")) + self.fp.write(filename) self.fp.write(extra_data) self.fp.write(zinfo.comment) |