diff options
Diffstat (limited to 'gnuradio-core/src/python/gnuradio/gr/pubsub.py')
| -rw-r--r-- | gnuradio-core/src/python/gnuradio/gr/pubsub.py | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/gnuradio-core/src/python/gnuradio/gr/pubsub.py b/gnuradio-core/src/python/gnuradio/gr/pubsub.py index 8fb7a8519a..90568418fc 100644 --- a/gnuradio-core/src/python/gnuradio/gr/pubsub.py +++ b/gnuradio-core/src/python/gnuradio/gr/pubsub.py @@ -31,15 +31,15 @@ class pubsub(dict): self._publishers = { } self._subscribers = { } self._proxies = { } - + def __missing__(self, key, value=None): dict.__setitem__(self, key, value) self._publishers[key] = None self._subscribers[key] = [] self._proxies[key] = None - + def __setitem__(self, key, val): - if not self.has_key(key): + if not self.has_key(key): self.__missing__(key, val) elif self._proxies[key] is not None: (p, newkey) = self._proxies[key] @@ -68,7 +68,7 @@ class pubsub(dict): p.publish(newkey, publisher) else: self._publishers[key] = publisher - + def subscribe(self, key, subscriber): if not self.has_key(key): self.__missing__(key) if self._proxies[key] is not None: @@ -76,14 +76,14 @@ class pubsub(dict): p.subscribe(newkey, subscriber) else: self._subscribers[key].append(subscriber) - + def unpublish(self, key): if self._proxies[key] is not None: (p, newkey) = self._proxies[key] p.unpublish(newkey) else: self._publishers[key] = None - + def unsubscribe(self, key, subscriber): if self._proxies[key] is not None: (p, newkey) = self._proxies[key] @@ -94,7 +94,7 @@ class pubsub(dict): def proxy(self, key, p, newkey=None): if not self.has_key(key): self.__missing__(key) if newkey is None: newkey = key - self._proxies[key] = (p, newkey) + self._proxies[key] = (p, newkey) def unproxy(self, key): self._proxies[key] = None @@ -125,7 +125,7 @@ if __name__ == "__main__": # The third is a lambda function o.subscribe('foo', lambda x: sys.stdout.write('val='+`x`+'\n')) - # Update key 'foo', will notify subscribers + # Update key 'foo', will notify subscribers print "Updating 'foo' with three subscribers:" o['foo'] = 'bar'; @@ -135,7 +135,7 @@ if __name__ == "__main__": # Update now will only trigger second and third subscriber print "Updating 'foo' after removing a subscriber:" o['foo'] = 'bar2'; - + # Publish a key as a function, in this case, a lambda function o.publish('baz', lambda : 42) print "Published value of 'baz':", o['baz'] @@ -145,7 +145,7 @@ if __name__ == "__main__": # This will return None, as there is no publisher print "Value of 'baz' with no publisher:", o['baz'] - + # Set 'baz' key, it gets cached o['baz'] = 'bazzz' |