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overrides: implement the python iterator protocol for Gst.Iterator

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So that you can use: for value in gst_iterator: ...
This commit is contained in:
Alessandro Decina 2012-10-15 09:10:25 +02:00
parent 0b0202cfbe
commit 501db56597
1 changed files with 20 additions and 0 deletions
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20
gi/overrides/Gst.py
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@ -77,6 +77,26 @@ class Caps(Gst.Caps):
Caps = override(Caps)
__all__.append('Caps')
class IteratorError(Exception):
pass
__all__.append('IteratorError')
class Iterator(Gst.Iterator):
def __iter__(self):
while True:
result, value = self.next()
if result == Gst.IteratorResult.DONE:
break
if result != Gst.IteratorResult.OK:
raise IteratorError(result)
yield value
Iterator = override(Iterator)
__all__.append('Iterator')
class ElementFactory(Gst.ElementFactory):
# ElementFactory