+ def scan_contents(self):
+ '''
+ Yields the contents of the package. Only regular files are yielded and
+ the path names are normalized after converting them from either utf-8
+ or iso8859-1 encoding. It yields the string ' <EMPTY PACKAGE>' if the
+ package does not contain any regular file.
+ '''
+ fullpath = self.poolfile.fullpath
+ dpkg = Popen(['dpkg-deb', '--fsys-tarfile', fullpath], stdout = PIPE)
+ tar = TarFile.open(fileobj = dpkg.stdout, mode = 'r|')
+ anything_yielded = False
+ for member in tar.getmembers():
+ if member.isfile():
+ name = normpath(member.name)
+ # enforce proper utf-8 encoding
+ try:
+ name.decode('utf-8')
+ except UnicodeDecodeError:
+ name = name.decode('iso8859-1').encode('utf-8')
+ yield name
+ anything_yielded = True
+ if not anything_yielded:
+ yield ' <EMPTY PACKAGE>'
+ tar.close()
+ dpkg.stdout.close()
+ dpkg.wait()
+