play_recording.py
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	#!/usr/bin/env python3
	"""
	Created on Sat Mar 28 19:29:28 2020

	This module implements a CGI service for uploading voice records in the coughvid web application.

	@author: T. Teijeiro
	"""
	import cgi
	import glob
	import sys
	import os.path
	#TODO disable cgitb in production
	# import cgitb
	# cgitb.enable()

	#Point this variable to the folder where the data will be stored
	DB_PATH = '/tmp'

	form = cgi.FieldStorage()
	#First we check if we are receiving a recording or metadata
	rec_id = form.getvalue('id')
	if rec_id is not None:
	files = glob.glob(f'{DB_PATH}/{rec_id}_*')
	if len(files) == 1:
	file = files[0]
	_, ext = os.path.splitext(file)
	if len(ext) > 1:
	with open(file, 'rb') as f:
	print(f"Content-Type: audio/{ext[1:]}\n")
	sys.stdout.flush()
	sys.stdout.buffer.write(f.read())
	sys.exit(0)
	print(f"""\
	Content-Type: text/html\n
	<html>
	<body>
	<p>Unexpected.</p>
	</body>
	</html>
	""")