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run_tasker.py
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run_tasker.py
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#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import os
import sys
import time
SCARLETT_DEBUG = None
if SCARLETT_DEBUG:
# Setting GST_DEBUG_DUMP_DOT_DIR environment variable enables us to have a
# dotfile generated
os.environ[
"GST_DEBUG_DUMP_DOT_DIR"] = "/home/pi/dev/bossjones-github/scarlett-dbus-poc/_debug"
os.putenv('GST_DEBUG_DUMP_DIR_DIR',
'/home/pi/dev/bossjones-github/scarlett-dbus-poc/_debug')
import argparse
import pprint
pp = pprint.PrettyPrinter(indent=4)
import gi
gi.require_version('Gst', '1.0')
from gi.repository import GObject
from gi.repository import Gst
from gi.repository import GLib
from gi.repository import Gio
import threading
GObject.threads_init()
Gst.init(None)
print '********************************************************'
print 'GObject: '
pp.pprint(GObject.pygobject_version)
print ''
print 'Gst: '
pp.pprint(Gst.version_string())
print '********************************************************'
Gst.debug_set_active(True)
Gst.debug_set_default_threshold(3)
import StringIO
import re
import ConfigParser
from signal import signal, SIGWINCH, SIGKILL, SIGTERM
from IPython.core.debugger import Tracer
from IPython.core import ultratb
sys.excepthook = ultratb.FormattedTB(mode='Verbose',
color_scheme='Linux',
call_pdb=True,
ostream=sys.__stdout__)
from colorlog import ColoredFormatter
import logging
SCARLETT_CANCEL = "pi-cancel"
SCARLETT_LISTENING = "pi-listening"
SCARLETT_RESPONSE = "pi-response"
SCARLETT_FAILED = "pi-response2"
from gettext import gettext as _
gst = Gst
import scarlett_gstutils
import scarlett_config
import traceback
from functools import wraps
import Queue
from random import randint
from pydbus import SessionBus
# scarlett object dependencies for playing sounds and speaking
import test_gdbus_speaker
import test_gdbus_player
def setup_logger():
"""Return a logger with a default ColoredFormatter."""
formatter = ColoredFormatter(
"(%(threadName)-9s) %(log_color)s%(levelname)-8s%(reset)s %(message_log_color)s%(message)s",
datefmt=None,
reset=True,
log_colors={
'DEBUG': 'cyan',
'INFO': 'green',
'WARNING': 'yellow',
'ERROR': 'red',
'CRITICAL': 'red',
},
secondary_log_colors={
'message': {
'ERROR': 'red',
'CRITICAL': 'red',
'DEBUG': 'yellow'
}
},
style='%'
)
logger = logging.getLogger(__name__)
handler = logging.StreamHandler()
handler.setFormatter(formatter)
logger.addHandler(handler)
logger.setLevel(logging.DEBUG)
return logger
# Create a player
PWD = '/home/pi/dev/bossjones-github/scarlett-dbus-poc'
logger = setup_logger()
gst = Gst
# Managing the Gobject main loop thread.
_shared_loop_thread = None
_loop_thread_lock = threading.RLock()
# NOTE: on plane to DC
def get_loop_thread():
"""Get the shared main-loop thread.
"""
global _shared_loop_thread
with _loop_thread_lock:
if not _shared_loop_thread:
# Start a new thread.
_shared_loop_thread = ExcThread()
_shared_loop_thread.start()
return _shared_loop_thread
# source: https://github.com/jcollado/pygtk-webui/blob/master/demo.py
def trace(func):
"""Tracing wrapper to log when function enter/exit happens.
:param func: Function to wrap
:type func: callable
"""
@wraps(func)
def wrapper(*args, **kwargs):
logger.debug('Start {!r}'. format(func.__name__))
result = func(*args, **kwargs)
logger.debug('End {!r}'. format(func.__name__))
return result
return wrapper
NUM_THREADS = 10
class ExcThread(threading.Thread):
"""
Exception Thread Class aka Producer. Acts as the Child thread.
Any errors that happen here will get placed into a Queue and raised for the parent thread to consume.
A thread class that supports raising exception in the thread from another thread.
"""
@trace
def __init__(self, bucket, *args, **kargs):
threading.Thread.__init__(self, *args, **kargs)
self.bucket = bucket
self.running = True
self._stop = threading.Event()
# self.loop = GObject.MainLoop()
self.loop = GLib.MainLoop()
# if loop is None:
# self.loop = GLib.MainLoop()
# # self.loop = GObject.MainLoop()
# else:
# self.loop = loop
# self.daemon = True
@trace
def run(self):
try:
print "Child Thread Started", self
# # NOTE: first iteration # threading.Thread.run(self)
# # NOTE: second iteration # self.loop.run()
self.loop.run()
# raise Exception('An error occured here.')
except Exception:
self.bucket.put(sys.exc_info())
raise
@trace
def stop(self):
self._stop.set()
@trace
def stopped(self):
return self._stop.isSet()
# # NOTE: enumerate req to iterate through tuple and find GVariant
# @trace
# def player_cb(*args, **kwargs):
# if SCARLETT_DEBUG:
# logger.debug("player_cb PrettyPrinter: ")
# pp = pprint.PrettyPrinter(indent=4)
# pp.pprint(args)
# for i, v in enumerate(args):
# if SCARLETT_DEBUG:
# logger.debug("Type v: {}".format(type(v)))
# logger.debug("Type i: {}".format(type(i)))
# if type(v) is gi.overrides.GLib.Variant:
# if SCARLETT_DEBUG:
# logger.debug(
# "THIS SHOULD BE A Tuple now: {}".format(v))
# msg, scarlett_sound = v
# logger.warning(" msg: {}".format(msg))
# logger.warning(
# " scarlett_sound: {}".format(scarlett_sound))
# # NOTE: Create something like test_gdbus_player.ScarlettPlayer('pi-listening')
# # NOTE: test_gdbus_player.ScarlettPlayer
# # NOTE: self.bucket.put()
# # NOTE: ADD self.queue.put(v)
#
#
# # NOTE: enumerate req to iterate through tuple and find GVariant
# @trace
# def command_cb(*args, **kwargs):
# if SCARLETT_DEBUG:
# logger.debug("player_cb PrettyPrinter: ")
# pp = pprint.PrettyPrinter(indent=4)
# pp.pprint(args)
# for i, v in enumerate(args):
# if SCARLETT_DEBUG:
# logger.debug("Type v: {}".format(type(v)))
# logger.debug("Type i: {}".format(type(i)))
# if type(v) is gi.overrides.GLib.Variant:
# if SCARLETT_DEBUG:
# logger.debug(
# "THIS SHOULD BE A Tuple now: {}".format(v))
# msg, scarlett_sound, command = v
# logger.warning(" msg: {}".format(msg))
# logger.warning(
# " scarlett_sound: {}".format(scarlett_sound))
# logger.warning(" command: {}".format(command))
# # NOTE: Create something like test_gdbus_player.ScarlettPlayer('pi-listening')
# # NOTE: test_gdbus_player.ScarlettPlayer
# # NOTE: self.bucket.put()
# # NOTE: ADD self.queue.put(v)
class ScarlettTasker():
@trace
def __init__(self, bucket, loop, *args, **kargs):
self.bucket = bucket
self.loop = loop
self.running = True
self._stop = threading.Event()
self.queue = Queue.Queue(10)
# NOTE: enumerate req to iterate through tuple and find GVariant
@trace
def player_cb(*args, **kwargs):
if SCARLETT_DEBUG:
logger.debug("player_cb PrettyPrinter: ")
pp = pprint.PrettyPrinter(indent=4)
pp.pprint(args)
for i, v in enumerate(args):
if SCARLETT_DEBUG:
logger.debug("Type v: {}".format(type(v)))
logger.debug("Type i: {}".format(type(i)))
if type(v) is gi.overrides.GLib.Variant:
if SCARLETT_DEBUG:
logger.debug(
"THIS SHOULD BE A Tuple now: {}".format(v))
msg, scarlett_sound = v
logger.warning(" msg: {}".format(msg))
logger.warning(
" scarlett_sound: {}".format(scarlett_sound))
# NOTE: Create something like test_gdbus_player.ScarlettPlayer('pi-listening')
# NOTE: test_gdbus_player.ScarlettPlayer
# NOTE: self.bucket.put()
# NOTE: ADD self.queue.put(v)
# NOTE: enumerate req to iterate through tuple and find GVariant
@trace
def command_cb(*args, **kwargs):
if SCARLETT_DEBUG:
logger.debug("player_cb PrettyPrinter: ")
pp = pprint.PrettyPrinter(indent=4)
pp.pprint(args)
for i, v in enumerate(args):
if SCARLETT_DEBUG:
logger.debug("Type v: {}".format(type(v)))
logger.debug("Type i: {}".format(type(i)))
if type(v) is gi.overrides.GLib.Variant:
if SCARLETT_DEBUG:
logger.debug(
"THIS SHOULD BE A Tuple now: {}".format(v))
msg, scarlett_sound, command = v
logger.warning(" msg: {}".format(msg))
logger.warning(
" scarlett_sound: {}".format(scarlett_sound))
logger.warning(" command: {}".format(command))
# NOTE: Create something like test_gdbus_player.ScarlettPlayer('pi-listening')
# NOTE: test_gdbus_player.ScarlettPlayer
# NOTE: self.bucket.put()
# NOTE: ADD self.queue.put(v)
# with SessionBus() as bus:
bus = SessionBus()
ss = bus.get("org.scarlett", object_path='/org/scarlett/Listener')
# SttFailedSignal / player_cb
ss_failed_signal = bus.con.signal_subscribe(None,
"org.scarlett.Listener",
"SttFailedSignal",
'/org/scarlett/Listener',
None,
0,
player_cb)
# ListenerReadySignal / player_cb
ss_rdy_signal = bus.con.signal_subscribe(None,
"org.scarlett.Listener",
"ListenerReadySignal",
'/org/scarlett/Listener',
None,
0,
player_cb)
# KeywordRecognizedSignal / player_cb
ss_kw_rec_signal = bus.con.signal_subscribe(None,
"org.scarlett.Listener",
"KeywordRecognizedSignal",
'/org/scarlett/Listener',
None,
0,
player_cb)
# CommandRecognizedSignal /command_cb
ss_cmd_rec_signal = bus.con.signal_subscribe(None,
"org.scarlett.Listener",
"CommandRecognizedSignal",
'/org/scarlett/Listener',
None,
0,
command_cb)
# ListenerCancelSignal / player_cb
ss_cancel_signal = bus.con.signal_subscribe(None,
"org.scarlett.Listener",
"ListenerCancelSignal",
'/org/scarlett/Listener',
None,
0,
player_cb)
# NOTE: print dir(ss)
# NOTE: # Quit mainloop
# NOTE: self.quit = ss.quit()
# NOTE: # let listener know when we connect to it
# NOTE: self._tasker_connected = ss.emitConnectedToListener("{}".format(
# NOTE:
# self._tasker_connected(ScarlettTasker().__class__.__name__)))
logger.debug("ss PrettyPrinter: ")
pp = pprint.PrettyPrinter(indent=4)
pp.pprint(ss)
# NOTE: WE NEED TO ADD MORE TO THIS. WE NEED TO DO A self.queue.get() then have it join the mainthread
# queue.get should have either a ScarlettPlayer or a ScarlettSpeaker object
@trace
def go(self):
self.loop.run()
@trace
def run(self):
try:
print "ScarlettTasker Thread Started", self
self.loop.run()
except Exception:
self.bucket.put(sys.exc_info())
raise
# @trace
# def main():
# """
# Parent thread and supervisor.
# """
# global player_cb
# global command_cb
#
# bucket = Queue.Queue()
# mainloop = GLib.MainLoop()
#
# # TODO: Try calling child thread like below.
# # TODO: Allow us to pass in a target, and args.
# # TODO: Eg. target=ScarlettPlayer or target=ScarlettSpeaker
# # SOURCE: https://github.com/jhcepas/npr/blob/master/nprlib/interface.py
# # t = ExcThread(bucket=exceptions, target=func, args=[args])
# # Start child thread
# ### thread_obj = ScarlettTasker(bucket, mainloop)
# ### thread_obj.daemon = True
# ### thread_obj.start()
#
# thread_obj = ExcThread(bucket)
# thread_obj.daemon = True
# thread_obj.start()
#
# # st = ScarlettTasker(bucket, mainloop)
# # st_thread = threading.Thread(target=st.go)
# # st_thread.daemon = True
# # st_thread.start()
# # start_mainloop(bucket, mainloop)
# st = ScarlettTasker(bucket, mainloop)
# st.run()
#
# while True:
# try:
# exc = bucket.get(block=False)
# # NOTE: IMPORTANT NOTES
# # check type of exc
# # if exc is a ScarlettPlayer or a ScarlettSpeaker ...
# # s_obj = ScarlettPlayer
# # OR
# # s_obj = ScarlettSpeaker
# # add to the thread supervisor, which will block till finished
# # thread_obj.join(s_obj)
# except Queue.Empty:
# time.sleep(.2)
# logger.info('nothing yet')
# pass
# else:
# exc_type, exc_obj, exc_trace = exc
# # deal with the exception
# # print exc_type, exc_obj
# # print exc_trace
# # deal with the exception
# # print exc_trace, exc_type, exc_obj
# raise exc_obj
#
# thread_obj.join(0.1)
# if thread_obj.isAlive():
# continue
# else:
# break
if __name__ == '__main__':
global player_cb
global command_cb
bucket = Queue.Queue()
mainloop = GLib.MainLoop()
# TODO: Try calling child thread like below.
# TODO: Allow us to pass in a target, and args.
# TODO: Eg. target=ScarlettPlayer or target=ScarlettSpeaker
# SOURCE: https://github.com/jhcepas/npr/blob/master/nprlib/interface.py
# t = ExcThread(bucket=exceptions, target=func, args=[args])
# Start child thread
### thread_obj = ScarlettTasker(bucket, mainloop)
### thread_obj.daemon = True
### thread_obj.start()
thread_obj = ExcThread(bucket)
thread_obj.daemon = True
thread_obj.start()
st = ScarlettTasker(bucket, mainloop)
st_thread = threading.Thread(target=st.go)
# st_thread.daemon = True
st_thread.start()
# start_mainloop(bucket, mainloop)
#st = ScarlettTasker(bucket, mainloop)
#st.run()
while True:
try:
exc = bucket.get(block=False)
# NOTE: IMPORTANT NOTES
# check type of exc
# if exc is a ScarlettPlayer or a ScarlettSpeaker ...
# s_obj = ScarlettPlayer
# OR
# s_obj = ScarlettSpeaker
# add to the thread supervisor, which will block till finished
# thread_obj.join(s_obj)
except Queue.Empty:
time.sleep(.2)
logger.info('nothing yet')
else:
exc_type, exc_obj, exc_trace = exc
# deal with the exception
# print exc_type, exc_obj
# print exc_trace
# deal with the exception
# print exc_trace, exc_type, exc_obj
raise exc_obj
thread_obj.join(0.1)
if thread_obj.isAlive():
continue
else:
break