def _createInputStream(self, **args):
tags = args.setdefault("tags", [])
try:
tags.append(("mime", self["../../FileMimeType/string"].value))
except MissingField:
pass
filename = self._getFilename()
if filename:
tags.append(("filename", filename))
return Bytes._createInputStream(self, **args)
def _createInputStream(self, **args):
tags = args.setdefault("tags",[])
try:
tags.append(("mime", self["../../FileMimeType/string"].value))
except MissingField:
pass
filename = self._getFilename()
if filename:
tags.append(("filename", filename))
return Bytes._createInputStream(self, **args)
def createFields(self):
yield String(self, "id", 3, "Identifier (BZh)", charset="ASCII")
yield Character(self, "blocksize",
"Block size (KB of memory needed to uncompress)")
yield UInt8(self, "blockheader", "Block header")
if self["blockheader"].value == 0x17:
yield String(self, "id2", 4, "Identifier2 (re8P)", charset="ASCII")
yield UInt8(self, "id3", "Identifier3 (0x90)")
elif self["blockheader"].value == 0x31:
yield String(self,
"id2",
5,
"Identifier 2 (AY&SY)",
charset="ASCII")
if self["id2"].value != "AY&SY":
raise ParserError("Invalid identifier 2 (AY&SY)!")
else:
raise ParserError("Invalid block header!")
yield textHandler(UInt32(self, "crc32", "CRC32"), hexadecimal)
if self._size is None: # TODO: is it possible to handle piped input?
raise NotImplementedError
size = (self._size - self.current_size) / 8
if size:
for tag, filename in self.stream.tags:
if tag == "filename" and filename.endswith(".bz2"):
filename = filename[:-4]
break
else:
filename = None
data = Bytes(self, "file", size)
if has_deflate:
CompressedField(self, Bunzip2)
def createInputStream(**args):
if filename:
args.setdefault("tags", []).append(
("filename", filename))
return self._createInputStream(**args)
data._createInputStream = createInputStream
yield data
def createFields(self):
yield String(self, "id", 3, "Identifier (BZh)", charset="ASCII")
yield Character(self, "blocksize", "Block size (KB of memory needed to uncompress)")
yield UInt8(self, "blockheader", "Block header")
if self["blockheader"].value == 0x17:
yield String(self, "id2", 4, "Identifier2 (re8P)", charset="ASCII")
yield UInt8(self, "id3", "Identifier3 (0x90)")
elif self["blockheader"].value == 0x31:
yield String(self, "id2", 5, "Identifier 2 (AY&SY)", charset="ASCII")
if self["id2"].value != "AY&SY":
raise ParserError("Invalid identifier 2 (AY&SY)!")
else:
raise ParserError("Invalid block header!")
yield textHandler(UInt32(self, "crc32", "CRC32"), hexadecimal)
if self._size is None: # TODO: is it possible to handle piped input?
raise NotImplementedError
size = (self._size - self.current_size)/8
if size:
for tag, filename in self.stream.tags:
if tag == "filename" and filename.endswith(".bz2"):
filename = filename[:-4]
break
else:
filename = None
data = Bytes(self, "file", size)
if has_deflate:
CompressedField(self, Bunzip2)
def createInputStream(**args):
if filename:
args.setdefault("tags",[]).append(("filename", filename))
return self._createInputStream(**args)
data._createInputStream = createInputStream
yield data
