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from dial import DialManager, DialThread
from hangup import HangUpThread
from threading import Event
import subprocess
from queue import Queue
class Phone:
__instance = None
@staticmethod
def get_instance():
if Phone.__instance is None:
Phone()
return Phone.__instance
def __init__(self):
Phone.__instance = self
self.queue = Queue()
self.phone_held = Event()
self.phone_hung_up = Event()
self.processing_event = Event()
# start phone as on hook
self.phone_held.clear()
self.phone_hung_up.set()
self.processing_event.clear()
self.dial_thread = DialThread(self)
self.dial_thread.start()
self.dial_manager = DialManager(self)
self.hang_up_thread = HangUpThread(self)
self.hang_up_thread.start()
def wait_until_answered(self, timeout=None):
return self.phone_held.wait(timeout)
def wait_until_hung_up(self, timeout=None):
return self.phone_hung_up.wait(timeout)
def process_dial(self):
try:
dialed = self.queue.get(block=True, timeout=0.1)
except:
return
response = self.dial_manager.dial(dialed)
# If we matched a sequence, play out event
if response is not None:
self.processing_event.set()
response.run()
def clear_event(self):
self.processing_event.clear()
def run_until_hangup(self, command):
process = subprocess.Popen(command)
while process.poll() is None:
if self.wait_until_hung_up(0.1):
print("terminating process")
process.terminate()
process.kill()
return False
return True
def run_many_until_hangup(self, commands):
for command in commands:
if not self.run_until_hangup(command):
break
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