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import subprocess | |
from flask import Flask, request | |
app = Flask(__name__) | |
PAGE = ''' | |
<html> | |
<body> | |
<form action="/" method="post"> | |
<input type="hidden" name="command" value="play"> | |
<button type="submit" name="submit_param" value="submit_value">Play</button> | |
</form> | |
<form action="/" method="post"> | |
<input type="hidden" name="command" value="stop"> | |
<button>Stop</button> | |
</form> | |
</body> | |
</html> | |
''' | |
@app.route('/', methods=['GET', 'POST']) | |
def home(): | |
if request.method == 'POST': | |
command = request.values.get('command') | |
if command == 'play': | |
subprocess.run(["/bin/bash", "/home/pi/play_sound.sh", "start"]) | |
return PAGE | |
elif command == 'stop': | |
subprocess.run(["/bin/bash", "/home/pi/play_sound.sh", "stop"]) | |
return PAGE | |
else: | |
pass | |
if request.method == 'GET': | |
return PAGE | |
@app.route('/play') | |
def play(): | |
"""calls play command.""" | |
subprocess.run(["/bin/bash", "/home/pi/play_sound.sh", "start"]) | |
return PAGE | |
@app.route('/stop') | |
def stop(): | |
subprocess.run(["/bin/bash", "/home/pi/play_sound.sh", "stop"]) | |
return PAGE | |
@app.route('/attempt_play') | |
def attempt_play(): | |
"""checks status and only hits play if HDMI devices are off.""" | |
status = subprocess.check_output(['/home/pi/play_sound.sh', 'status']) | |
if status == b'off': | |
subprocess.run(["/bin/bash", "/home/pi/play_sound.sh", "start"]) | |
return PAGE | |
else: | |
return 'other device active' | |
@app.route('/status') | |
def status(): | |
status = subprocess.check_output(['/home/pi/play_sound.sh', 'status']) | |
if status == b'off': | |
return 'off' | |
elif status == b'on': | |
return 'on' | |
else: | |
return 'unknown' |
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