def get_new_files(self, filelist):
''' Returns a list of files that are present in the watched directory,
but not in the list of files passed in C{filelist}. '''
if not self.is_valid():
return []
old_files = frozenset([os.path.abspath(path) for path in filelist])
if not self.recursive:
available_files = frozenset([
os.path.join(self.directory, filename)
for filename in os.listdir(self.directory)
if archive_tools.is_archive_file(filename)
])
else:
available_files = []
for dirpath, dirnames, filenames in os.walk(self.directory):
for filename in filter(archive_tools.is_archive_file,
filenames):
path = os.path.join(dirpath, filename)
available_files.append(path)
available_files = frozenset(available_files)
return list(available_files.difference(old_files))
def _create_thumbnail_pixbuf(self, filepath):
''' Creates a thumbnail pixbuf from <filepath>, and returns it as a
tuple along with a file metadata dictionary: (pixbuf, tEXt_data) '''
if self.archive_support:
mime = archive_tools.archive_mime_type(filepath)
else:
mime = None
if mime is not None:
if not archive_tools.is_archive_file(filepath):
return None, None
with archive_tools.get_recursive_archive_handler(
filepath, type=mime,
prefix='mcomix_archive_thumb.') as archive:
if archive is None:
return None, None
if archive.is_encrypted:
image_path = tools.pkg_path('images', 'encrypted-book.png')
else:
files = archive.list_contents(decrypt=False)
wanted = self._guess_cover(files)
if wanted is None:
return None, None
image_path = archive.extract(wanted)
if not os.path.isfile(image_path):
return None, None
pixbuf = image_tools.load_pixbuf_size(image_path, self.width,
self.height)
if self.store_on_disk:
tEXt_data = self._get_text_data(image_path)
# Use the archive's mTime instead of the extracted file's mtime
tEXt_data['tEXt::Thumb::MTime'] = str(
os.stat(filepath).st_mtime)
else:
tEXt_data = None
return pixbuf, tEXt_data
elif image_tools.is_image_file(filepath, check_mimetype=True):
pixbuf = image_tools.load_pixbuf_size(filepath, self.width,
self.height)
if self.store_on_disk:
tEXt_data = self._get_text_data(filepath)
else:
tEXt_data = None
return pixbuf, tEXt_data
else:
return None, None
def __get_file_filter(self, files):
""" Determines what kind of files should be filtered in the given list
of <files>. Returns either a filter accepting only images, or only archives,
depending on what type of file is found first in the list. """
for file in files:
if os.path.isfile(file):
if image_tools.is_image_file(file):
return image_tools.is_image_file
if archive_tools.is_archive_file(file):
return archive_tools.is_archive_file
# Default filter only accepts images.
return image_tools.is_image_file
def _iter_contents(self, archive, root=None, decrypt=True):
if archive.is_encrypted and not decrypt:
return
if not root:
root = os.path.join(self.destdir, 'main_archive')
self._archive_list.append(archive)
self._archive_root[archive] = root
sub_archive_list = []
for f in archive.iter_contents():
if archive_tools.is_archive_file(f):
# We found a sub-archive, don't try to extract it now, as we
# must finish listing the containing archive contents before
# any extraction can be done.
sub_archive_list.append(f)
name = f if root is None else os.path.join(root, f)
self._entry_mapping[name] = (archive, f)
self._sub_archives.add(name)
continue
name = f
if root is not None:
name = os.path.join(root, name)
self._entry_mapping[name] = (archive, f)
yield name
for f in sub_archive_list:
# Extract sub-archive.
destination_dir = self.destdir
if root is not None:
destination_dir = os.path.join(destination_dir, root)
sub_archive_path = archive.extract(f, destination_dir)
# And open it and list its contents.
sub_archive = archive_tools.get_archive_handler(sub_archive_path)
if sub_archive is None:
log.warning('Non-supported archive format: %s',
os.path.basename(sub_archive_path))
continue
sub_tempdir = tempfile.TemporaryDirectory(
prefix='sub_archive.{:04}.'.format(len(self._archive_list)),
dir=self.destdir)
sub_root = sub_tempdir.name
self._sub_tempdirs.append(sub_tempdir)
for name in self._iter_contents(sub_archive, sub_root):
yield name
os.remove(sub_archive_path)
def _iter_contents(self, archive, root=None):
self._archive_list.append(archive)
self._archive_root[archive] = root
sub_archive_list = []
for f in archive.iter_contents():
if archive_tools.is_archive_file(f):
# We found a sub-archive, don't try to extract it now, as we
# must finish listing the containing archive contents before
# any extraction can be done.
sub_archive_list.append(f)
continue
name = f
if root is not None:
name = os.path.join(root, name)
self._entry_mapping[name] = (archive, f)
yield name
for f in sub_archive_list:
# Extract sub-archive.
destination_dir = self._destination_dir
if root is not None:
destination_dir = os.path.join(destination_dir, root)
archive.extract(f, destination_dir)
sub_archive_ext = os.path.splitext(f)[1].lower()[1:]
sub_archive_path = os.path.join(
self._destination_dir, 'sub-archives',
'%04u.%s' % (len(self._archive_list), sub_archive_ext
))
self._create_directory(os.path.dirname(sub_archive_path))
os.rename(os.path.join(destination_dir, f), sub_archive_path)
# And open it and list its contents.
sub_archive = archive_tools.get_archive_handler(sub_archive_path)
if sub_archive is None:
log.warning('Non-supported archive format: %s',
os.path.basename(sub_archive_path))
continue
sub_root = f
if root is not None:
sub_root = os.path.join(root, sub_root)
for name in self._iter_contents(sub_archive, sub_root):
yield name
def _iter_contents(self, archive, root=None):
self._archive_list.append(archive)
self._archive_root[archive] = root
sub_archive_list = []
for f in archive.iter_contents():
if archive_tools.is_archive_file(f):
# We found a sub-archive, don't try to extract it now, as we
# must finish listing the containing archive contents before
# any extraction can be done.
sub_archive_list.append(f)
continue
name = f
if root is not None:
name = os.path.join(root, name)
self._entry_mapping[name] = (archive, f)
yield name
for f in sub_archive_list:
# Extract sub-archive.
destination_dir = self._destination_dir
if root is not None:
destination_dir = os.path.join(destination_dir, root)
archive.extract(f, destination_dir)
sub_archive_ext = os.path.splitext(f)[1].lower()[1:]
sub_archive_path = os.path.join(
self._destination_dir, 'sub-archives',
'%04u.%s' % (len(self._archive_list), sub_archive_ext))
self._create_directory(os.path.dirname(sub_archive_path))
os.rename(os.path.join(destination_dir, f), sub_archive_path)
# And open it and list its contents.
sub_archive = archive_tools.get_archive_handler(sub_archive_path)
if sub_archive is None:
log.warning('Non-supported archive format: %s',
os.path.basename(sub_archive_path))
continue
sub_root = f
if root is not None:
sub_root = os.path.join(root, sub_root)
for name in self._iter_contents(sub_archive, sub_root):
yield name
def get_new_files(self, filelist):
""" Returns a list of files that are present in the watched directory,
but not in the list of files passed in C{filelist}. """
if not self.is_valid():
return []
old_files = frozenset([os.path.abspath(path) for path in filelist])
if not self.recursive:
available_files = frozenset([os.path.join(self.directory, filename)
for filename in os.listdir(self.directory)
if archive_tools.is_archive_file(filename)])
else:
available_files = []
for dirpath, dirnames, filenames in os.walk(self.directory):
for filename in filter(archive_tools.is_archive_file, filenames):
path = os.path.join(dirpath, filename)
available_files.append(path)
available_files = frozenset(available_files)
return list(available_files.difference(old_files))
