How to use add_listener method in ATX

Best Python code snippet using ATX

event_manager_test.py

Source:event_manager_test.py Github

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2from mock import Mock3from pokemongo_bot.event_manager import EventManager, Event4class EventManagerTest(unittest.TestCase):5 @staticmethod6 def test_add_listener():7 event_manager = EventManager()8 test_listener = Mock()9 event_manager.add_listener('test', test_listener)10 assert isinstance(event_manager.events['test'], Event)11 assert len(event_manager.events['test'].listeners[0]) == 112 @staticmethod13 def test_add_listener_priorities():14 event_manager = EventManager()15 test_listener = Mock()16 event_manager.add_listener('test', test_listener, priority=-100)17 event_manager.add_listener('test', test_listener, priority=100)18 assert isinstance(event_manager.events['test'], Event)19 assert len(event_manager.events['test'].listeners[-100]) == 120 assert len(event_manager.events['test'].listeners[100]) == 121 @staticmethod22 def test_remove_listener():23 event_manager = EventManager()24 test_listener = Mock()25 event_manager.add_listener('test', test_listener, priority=10)26 assert isinstance(event_manager.events['test'], Event)27 assert len(event_manager.events['test'].listeners) == 128 event_manager.remove_listener('test', test_listener)29 assert isinstance(event_manager.events['test'], Event)30 assert len(event_manager.events['test'].listeners[10]) == 031 @staticmethod32 def test_get_registered_events():33 event_manager = EventManager()34 test_listener = Mock()35 event_manager.add_listener('test', test_listener)36 events = event_manager.get_registered_events()37 assert len(events) == 138 assert 'test' in events39 @staticmethod40 def test_fire():41 event_manager = EventManager()42 # pylint: disable=unused-argument43 def test_listener(value=None):44 return {45 'value': 'first'46 }47 # pylint: disable=unused-argument48 def test_listener_late(value=None):49 return {50 'value': 'second'51 }52 event_manager.add_listener('test', test_listener_late, priority=100)53 event_manager.add_listener('test', test_listener, priority=-100)54 return_data = event_manager.fire('test', value=None)55 assert return_data['value'] == 'second'56 @staticmethod57 def test_fire_cancelled():58 event_manager = EventManager()59 def test_listener():60 return {61 'value': 'first'62 }63 def test_listener_late():64 return False65 event_manager.add_listener('test', test_listener_late, priority=100)66 event_manager.add_listener('test', test_listener, priority=-100)67 return_data = event_manager.fire('test', value=None)68 assert return_data is False69 @staticmethod70 def test_fire_no_listeners():71 import sys72 from io import StringIO73 out = StringIO()74 sys.stdout = out75 event_manager = EventManager()76 event_manager.events['test'] = Event('test')77 event_manager.fire('test', value=None)78 assert 'WARNING: No handler has registered to handle event "test"' in out.getvalue().strip()79 @staticmethod80 def test_fire_with_context():81 event_manager = EventManager()82 def test_listener(bot=None):83 bot()84 event_manager.add_listener('test', test_listener, priority=-100)85 bot = Mock()86 event_manager.fire_with_context('test', bot)87 bot.assert_called_once()88 @staticmethod89 def test_event_pipeline_empty_output():90 import sys91 from io import StringIO92 out = StringIO()93 sys.stdout = out94 event_manager = EventManager()95 event_manager.events['test'] = Event('test')96 event_manager.events['test'].listeners['test_listener'] = []97 event_manager.print_all_event_pipelines()98 assert 'Event pipeline for "test" is empty.' in out.getvalue().strip()99 @staticmethod100 def test_event_pipeline_no_listeners():101 import sys102 from io import StringIO103 out = StringIO()104 sys.stdout = out105 event_manager = EventManager()106 event_manager.events['test'] = Event('test')107 event_manager.events['test'].listeners['test_listener'] = []108 event_manager.print_all_event_pipelines()109 assert 'Event pipeline for "test" is empty.' in out.getvalue().strip()110 @staticmethod111 def test_event_pipeline_output():112 import sys113 from io import StringIO114 out = StringIO()115 sys.stdout = out116 event_manager = EventManager()117 def test_listener_1(bot=None):118 bot()119 def test_listener_2(bot=None):120 bot()121 def test_listener_3(bot=None):122 bot()123 def test_listener_4(bot=None):124 bot()125 event_manager.add_listener('test1', test_listener_1, priority=-100)126 event_manager.add_listener('test1', test_listener_2, priority=0)127 event_manager.add_listener('test1', test_listener_3, priority=0)128 event_manager.add_listener('test1', test_listener_4, priority=100)129 event_manager.add_listener('test2', test_listener_1, priority=100)130 event_manager.print_all_event_pipelines()131 assert 'Event pipeline for "test1":' in out.getvalue().strip()132 assert '-100 (test_listener_1) -> 0 (test_listener_2 -> test_listener_3) -> 100 (test_listener_4)' in out.getvalue().strip()133 assert 'Event pipeline for "test2":' in out.getvalue().strip()...

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test_events.py

Source:test_events.py Github

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...25 self.manager = DOMEventFlowManager(self.doc)26 def get_node(self, expr):27 [node] = self.engine.evaluate(expr, self.doc).value28 return node29 def add_listener(self, target_expr, event_type, listener, capture=False):30 target = self.get_node(target_expr)31 self.manager.add_event_listener(target, event_type, listener, capture)32 def make_incr_handler(self, data, key):33 def handler(event):34 data.setdefault(key, 0)35 data[key] += 136 return handler37 def test_dispatch_events_no_listeners(self):38 self.manager.dispatch_event(self.get_node('/'), ToyEvent())39 self.manager.dispatch_event(self.get_node('//elem1'), ToyEvent())40 self.manager.dispatch_event(self.get_node('//elem2'), ToyEvent())41 self.manager.dispatch_event(self.get_node('//elem3'), ToyEvent())42 def test_dispatch_event_target_listeners(self):43 data = {}44 listener1 = self.make_incr_handler(data, 'listener1')45 listener2 = self.make_incr_handler(data, 'listener2')46 self.add_listener('//elem1', 'toy-event', listener1)47 self.add_listener('//elem2', 'toy-event', listener1)48 self.add_listener('//elem3', 'toy-event', listener1)49 self.add_listener('//elem2', 'toy-event', listener2)50 self.assertEqual(data, {})51 self.manager.dispatch_event(self.get_node('//elem2'), ToyEvent())52 self.assertEqual(data, {'listener1': 1, 'listener2': 1})53 def test_dispatch_event_target_and_bubble_listeners(self):54 data = {}55 listener1 = self.make_incr_handler(data, 'listener1')56 listener2 = self.make_incr_handler(data, 'listener2')57 self.add_listener('//elem1', 'bubble-event', listener1)58 self.add_listener('//elem2', 'bubble-event', listener1)59 self.add_listener('//elem3', 'bubble-event', listener1)60 self.add_listener('//elem2', 'bubble-event', listener2)61 self.assertEqual(data, {})62 self.manager.dispatch_event(self.get_node('//elem2'), BubbleEvent())63 self.assertEqual(data, {'listener1': 2, 'listener2': 1})64 def test_dispatch_event_bubble_listeners(self):65 data = {}66 listener1 = self.make_incr_handler(data, 'listener1')67 self.add_listener('//elem1', 'bubble-event', listener1)68 self.add_listener('//elem2', 'bubble-event', listener1)69 self.assertEqual(data, {})70 self.manager.dispatch_event(self.get_node('//elem3'), BubbleEvent())71 self.assertEqual(data, {'listener1': 2})72 def test_dispatch_event_target_capture_listeners(self):73 data = {}74 listener1 = self.make_incr_handler(data, 'listener1')75 listener2 = self.make_incr_handler(data, 'listener2')76 self.add_listener('//elem1', 'toy-event', listener1, True)77 self.add_listener('//elem2', 'toy-event', listener1, True)78 self.add_listener('//elem3', 'toy-event', listener1, True)79 self.add_listener('//elem2', 'toy-event', listener2)80 self.assertEqual(data, {})81 self.manager.dispatch_event(self.get_node('//elem2'), ToyEvent())82 self.assertEqual(data, {'listener1': 1, 'listener2': 1})83 def test_dispatch_event_target_capture_bubble_listeners(self):84 data = {}85 listener1 = self.make_incr_handler(data, 'listener1')86 listener2 = self.make_incr_handler(data, 'listener2')87 self.add_listener('//elem1', 'bubble-event', listener1, True)88 self.add_listener('//elem2', 'bubble-event', listener1, True)89 self.add_listener('//elem3', 'bubble-event', listener1, True)90 self.add_listener('//elem1', 'bubble-event', listener2)91 self.add_listener('//elem2', 'bubble-event', listener2)92 self.add_listener('//elem3', 'bubble-event', listener2)93 self.assertEqual(data, {})94 self.manager.dispatch_event(self.get_node('//elem2'), BubbleEvent())...

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test_event_dispatcher.py

Source:test_event_dispatcher.py Github

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...24def test_initial_state(dispatcher):25 assert {} == dispatcher.get_listeners()26 assert not dispatcher.has_listeners(PRE_FOO)27 assert not dispatcher.has_listeners(POST_FOO)28def test_add_listener(dispatcher, listener):29 dispatcher.add_listener(PRE_FOO, listener.pre_foo)30 dispatcher.add_listener(POST_FOO, listener.post_foo)31 assert dispatcher.has_listeners()32 assert dispatcher.has_listeners(PRE_FOO)33 assert dispatcher.has_listeners(POST_FOO)34 assert len(dispatcher.get_listeners(PRE_FOO)) == 135 assert len(dispatcher.get_listeners(POST_FOO)) == 136 assert len(dispatcher.get_listeners()) == 237def test_get_listeners_sorts_by_priority(dispatcher):38 listener1 = EventListener()39 listener2 = EventListener()40 listener3 = EventListener()41 dispatcher.add_listener(PRE_FOO, listener1.pre_foo, -10)42 dispatcher.add_listener(PRE_FOO, listener2.pre_foo, 10)43 dispatcher.add_listener(PRE_FOO, listener3.pre_foo)44 expected = [listener2.pre_foo, listener3.pre_foo, listener1.pre_foo]45 assert expected == dispatcher.get_listeners(PRE_FOO)46def test_get_all_listeners_sorts_by_priority(dispatcher):47 listener1 = EventListener()48 listener2 = EventListener()49 listener3 = EventListener()50 listener4 = EventListener()51 listener5 = EventListener()52 listener6 = EventListener()53 dispatcher.add_listener(PRE_FOO, listener1.pre_foo, -10)54 dispatcher.add_listener(PRE_FOO, listener2.pre_foo)55 dispatcher.add_listener(PRE_FOO, listener3.pre_foo, 10)56 dispatcher.add_listener(POST_FOO, listener4.pre_foo, -10)57 dispatcher.add_listener(POST_FOO, listener5.pre_foo)58 dispatcher.add_listener(POST_FOO, listener6.pre_foo, 10)59 expected = {60 PRE_FOO: [listener3.pre_foo, listener2.pre_foo, listener1.pre_foo],61 POST_FOO: [listener6.pre_foo, listener5.pre_foo, listener4.pre_foo],62 }63 assert dispatcher.get_listeners() == expected64def test_get_listener_priority(dispatcher):65 listener1 = EventListener()66 listener2 = EventListener()67 dispatcher.add_listener(PRE_FOO, listener1.pre_foo, -10)68 dispatcher.add_listener(PRE_FOO, listener2.pre_foo)69 assert dispatcher.get_listener_priority(PRE_FOO, listener1.pre_foo) == -1070 assert dispatcher.get_listener_priority(PRE_FOO, listener2.pre_foo) == 071 assert dispatcher.get_listener_priority(PRE_BAR, listener2.pre_foo) is None72def test_dispatch(dispatcher, listener):73 dispatcher.add_listener(PRE_FOO, listener.pre_foo)74 dispatcher.add_listener(POST_FOO, listener.post_foo)75 dispatcher.dispatch(Event(), PRE_FOO)76 assert listener.pre_foo_invoked77 assert not listener.post_foo_invoked78def test_stop_event_propagation(dispatcher, listener):79 other_listener = EventListener()80 dispatcher.add_listener(POST_FOO, listener.post_foo, 10)81 dispatcher.add_listener(POST_FOO, other_listener.post_foo)82 dispatcher.dispatch(Event(), POST_FOO)83 assert listener.post_foo_invoked...

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bindable_variable_demo.py

Source:bindable_variable_demo.py Github

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...14 print("Variable changed: name={}, old_val={}, new_val={}".format(var.name, old_val, new_val))15 # Basic manipulations16 print()17 v = Var(42, name="age")18 v.add_listener(_bindable_var_changed)19 print("::Setting age to 23 ...")20 v.value = 2321 print("::Incrementing age with v.value += 1 ...")22 v.value += 123 print("::Incrementing age with v += 1 ...")24 v += 125 # new_value-only notifications26 print()27 v = Var("Title")28 v.add_listener(print, value_only=True)29 print("::Notification can optionally have one argument, the new value ...")30 v.value = "New Title"31 # No argument notifications32 print()33 v = Var("Something")34 v.add_listener(print, no_args=True)35 print("::Notification will be called with no arguments ...")36 v.value = "Else"37 print("::Blank line above? Value is now", v.value)38 # Value is itself mutable39 print()40 v = Var()41 v.add_listener(print)42 v.value = ["cat", "dog", "elephant"]43 print("::No notification if list item is changed directly ...")44 v.value.append("lion")45 print("::List is now", v.value)46 print("::Notifications happen at end of 'with' construct ...")47 print("::Note that it is not possible to separate old value and new value.")48 with v:49 v.value[2] = "mouse"50 v.value[3] = "gerbil"51 v.value.append("fish")52 print("::An ugly way to abort notifications according to some test ...")53 with v as unchanged:54 if "some truth test":55 raise unchanged56 else:57 v.value.append("chimpanze")58 # Using the FormattableVar59 person_name = Var("Joe")60 person_age = Var(23)61 fv = FormattableVar("{} is {} years old", [person_name, person_age])62 fv.add_listener(print, value_only=True)63 person_age += 164 # Using tk65 import tkinter as tk66 root = tk.Tk()67 root.title("Bindable Variable")68 v = Var()69 v.add_listener(print, value_only=True) # echo to console70 entry = tk.Entry(root, textvariable=v.tk_var()) # create a bound tk.Var71 entry.pack()72 v.value = "intial"73 tk.mainloop()74def demo_bindable_dictionary():75 def _bindable_dict_changed(d, key, old_val, new_val):76 print("Dictionary changed: key={}, old_val={}, new_val={}".format(key, old_val, new_val), flush=True)77 d = BindableDict()78 d.add_listener(_bindable_dict_changed)79 d.set("foo", "bar")80 d.set("cats", 4)81 with d:82 d.set("dogs", 0)83 print("before or after?", flush=True)84 d.set("cats", 5)85 a = {"pencil": "yellow", "cup": "full"}86 d.update(a)87if __name__ == "__main__":...

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