def __call__(self, prev):
name = self.path + "[]"
address, size, last = self.cluster.next()
if self.filesize:
if self.done >= self.filesize:
error("(FAT) bad metadata for " + self.path)
return
field = File(self.root, name, size=size)
if prev.first is None:
field._description = 'File size: %s' % humanFilesize(
self.filesize // 8)
field.setSubIStream(self.createInputStream)
field.datasize = min(self.filesize - self.done, size)
self.done += field.datasize
else:
field = Directory(self.root, name, size=size)
padding = self.root.getFieldByAddress(address, feed=False)
if not isinstance(padding, (PaddingBytes, RawBytes)):
error("(FAT) address %u doesn't point to a padding field" %
address)
return
if last:
next = None
else:
next = lambda: self(field)
field.setLinks(prev.first, next)
self.root.writeFieldsIn(padding, address, (field, ))
return field
def __call__(self, prev):
name = self.path + "[]"
address, size, last = self.cluster.next()
if self.filesize:
if self.done >= self.filesize:
error("(FAT) bad metadata for " + self.path)
return
field = File(self.root, name, size=size)
if prev.first is None:
field._description = 'File size: %s' % humanFilesize(self.filesize//8)
field.setSubIStream(self.createInputStream)
field.datasize = min(self.filesize - self.done, size)
self.done += field.datasize
else:
field = Directory(self.root, name, size=size)
padding = self.root.getFieldByAddress(address, feed=False)
if not isinstance(padding, (PaddingBytes, RawBytes)):
error("(FAT) address %u doesn't point to a padding field" % address)
return
if last:
next = None
else:
next = lambda: self(field)
field.setLinks(prev.first, next)
self.root.writeFieldsIn(padding, address, (field,))
return field
def _getContentSize(self):
if not hasattr(self, "_content_size"):
try:
self._content_size = self.createContentSize()
except HACHOIR_ERRORS, err:
error("Unable to compute %s content size: %s" % (self.__class__.__name__, err))
self._content_size = None
def _getContentSize(self):
if not hasattr(self, "_content_size"):
try:
self._content_size = self.createContentSize()
except HACHOIR_ERRORS, err:
error("Unable to compute %s content size: %s" %
(self.__class__.__name__, err))
self._content_size = None
def _getDescription(self):
if self._description is None:
try:
self._description = self.createDescription()
if isinstance(self._description, str):
self._description = makeUnicode(self._description)
except HACHOIR_ERRORS, err:
error("Error getting description of %s: %s" \
% (self.path, unicode(err)))
self._description = self.PARSER_TAGS["description"]
def _getDescription(self):
if self._description is None:
try:
self._description = self.createDescription()
if isinstance(self._description, str):
self._description = makeUnicode(self._description)
except HACHOIR_ERRORS, err:
error("Error getting description of %s: %s" \
% (self.path, unicode(err)))
self._description = self.PARSER_TAGS["description"]
def extractMetadata(parser, quality=QUALITY_NORMAL):
"""
Create a Metadata class from a parser. Returns None if no metadata
extractor does exist for the parser class.
"""
try:
extractor = extractors[parser.__class__]
except KeyError:
return None
metadata = extractor(quality)
try:
metadata.extract(parser)
except HACHOIR_ERRORS, err:
error("Error during metadata extraction: %s" % unicode(err))
def extractMetadata(parser, quality=QUALITY_NORMAL):
"""
Create a Metadata class from a parser. Returns None if no metadata
extractor does exist for the parser class.
"""
try:
extractor = extractors[parser.__class__]
except KeyError:
return None
metadata = extractor(quality)
try:
metadata.extract(parser)
except HACHOIR_ERRORS, err:
error("Error during metadata extraction: %s" % unicode(err))
def add(self, parser):
tags = parser.getParserTags()
err = self.validParser(parser, tags)
if err:
error("Skip parser %s: %s" % (parser.__name__, err))
return
_tags = []
for tag in tags.iteritems():
tag = self.translate(*tag)
if isinstance(tag, tuple):
_tags.append(tag)
elif tag is not True:
error("[%s] %s" % (parser.__name__, tag))
return
self.parser_list.append(parser)
for name, values in _tags:
byname = self.bytag.setdefault(name, {})
for value in values:
byname.setdefault(value, []).append(parser)
def add(self, parser):
tags = parser.getParserTags()
err = self.validParser(parser, tags)
if err:
error("Skip parser %s: %s" % (parser.__name__, err))
return
_tags = []
for tag in tags.iteritems():
tag = self.translate(*tag)
if isinstance(tag, tuple):
_tags.append(tag)
elif tag is not True:
error("[%s] %s" % (parser.__name__, tag))
return
self.parser_list.append(parser)
for name, values in _tags:
byname = self.bytag.setdefault(name,{})
for value in values:
byname.setdefault(value,[]).append(parser)