when exiting the with-scope.
All imgstreams should contain an attribute `ctype', being the
- Content-Type of the image being read by the stream."""
+ Content-Type of the image being read by the stream, and `clen`,
+ being either an int describing the total number of bytes in the
+ stream, or None if the value is not known in advance."""
def __enter__(self):
return self
raise StopIteration()
def prev(self):
- for n, i in reversed(self.cur,stack):
+ for n, i in reversed(self.cur.stack):
if i > 0:
self.cur = self.descend(n[i - 1])
return self.cur