si_7-IRIS/guru-pirate.py

#!/usr/bin/env python

# this script combines the content of guru and pirate (from json files) to play their messages
# it also integrates leds when the characters speak

import json, random, os, subprocess
from pprint import pprint
from time import sleep
from LEDfunctions import *
import sys

import subprocess
# is the announcements.py running?
try: # try: if no error - the process is running.
     # therefore exit()
	ann_pid = subprocess.check_output(["pgrep", "-f", "announcements.py"])
        print("announcements.py ARE running. Will stop here", ann_pid)

except:
    print("announcements.py are not running. Will run guru")

if 'ann_pid' in vars() or 'ann_pid' in globals():
    sys.exit(1)

# when characters speak the LEDs light up and perform effects
def vu_2_leds(color):
    while True:
        data = play_process.stdout.readline()
        if not data:
            pixels.clear() # make LEDs dark
            pixels.show()
            break
        data = data.rstrip()
        if data.endswith("%"):
            vu = float(data[:-1][-3:])/100 # 0-100
            leds_color_intensity(color, vu)

def leds_start_stop(color):
    while True:
        data = play_process.stdout.readline()
        data = data.rstrip()
        print('data:',data)
        print('process:', play_process.stdout.readline()) #_handle_exitstatus
        leds_pirate_bounce(color_pirate)


# open json files, where are all the phrases
pwd = os.path.dirname( os.path.realpath(__file__) ) + "/"
oracle_f = open(pwd + "guru.json", "r").read()
oracle = json.loads(oracle_f)
rebel_f = open(pwd + "rebel.json", "r").read()
rebel = json.loads(rebel_f)


# guru part, using audio recordings
keys = list( oracle.keys())
part = random.choice(keys) # choose: Repeat OR Ask Yourself
print(part)
sound_dir = pwd + "Audio_recordings/" + oracle[part]['title'] + "/"
intro = random.choice(oracle[part]['introductions'])
intro_txt = intro[0]
intro_sound = sound_dir + intro[1]
print('Intro:', intro_txt, intro_sound)
play_process = subprocess.Popen(["aplay", intro_sound, "-f", "cd",  "--vumeter=mono"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True)
vu_2_leds(color_guru)


# pirate reply
rebel_run = random.choice([True, False]) # 50/50 chances of intervening
if rebel_run is True:
    rebel_reply_snippet = intro[2] # comes from guru/oracle json file
    rebel_reply = random.choice( rebel[part] )
    rebel_sentence = rebel_reply.format(rebel_reply_snippet)


# guru part, using audio recordings
for i in range( random.randint(1,4) ):
    sleep( random.randint(1,1) )
    msg = random.choice(oracle[part]['messages'])
    msg_txt = msg[0]
    msg_sound = sound_dir + msg[1]
    print('MSG:', msg_txt, msg_sound)
    play_process = subprocess.Popen(["aplay", msg_sound, "-f", "cd",  "--vumeter=mono"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True)
    vu_2_leds(color_guru) #LEDs guru


# pirate part, using espeak
if rebel_run is True:
    print('rebel sentence:', rebel_sentence)
    #rebel_cmd = 'echo "{}" |  espeak -ven+whisper -s 150'.format(rebel_sentence)
    #os.system(rebel_cmd)
    play_process = subprocess.Popen(["espeak", rebel_sentence, "-ven+whisper", "-s", "150"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True) # text to speech using espeak
    leds_pirate_bounce(color_pirate) # LEDs pirate