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#!%PYTHON_BANGPATH%
# pypad_glasscoder.py
#
# Send articulated PAD updates to an instance of glasscoder(1).
#
# (C) Copyright 2019-2022 Fred Gleason <fredg@paravelsystems.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import sys
import syslog
import configparser
try:
from rivendellaudio import pypad
except ModuleNotFoundError:
import pypad # Rivendell v3.x style
import json
import requests
def eprint(*args,**kwargs):
print(*args,file=sys.stderr,**kwargs)
def ProcessPad(update):
if update.config().has_section('Glasscoder'):
update_url=update.config().get('Glasscoder','UpdateUrl')
n=1
lines=[]
section='Line'+str(n)
while(update.config().has_section(section)):
lines.append('"%s": "%s"' % (update.config().get(section,'Key'), update.resolvePadFields(update.config().get(section,'Value'),pypad.ESCAPE_JSON)))
n=n+1
section='Line'+str(n)
if update.shouldBeProcessed('Glasscoder'):
req_data='{ "Metadata": { %s } }' % ", ".join(lines)
req_url = update_url+'/json_pad'
try:
r = requests.post(req_url, json=json.loads(req_data))
update.syslog(syslog.LOG_INFO,'[PyPAD][Glasscoder] Update exit code: ' + str(r.status_code))
except requests.exceptions.RequestException as e:
update.syslog(syslog.LOG_WARNING,'[PyPAD][Glasscoder] Update failed: ' + str(e))
#
# 'Main' function
#
rcvr=pypad.Receiver()
try:
rcvr.setConfigFile(sys.argv[3])
except IndexError:
eprint('pypad_glasscoder.py: USAGE: cmd <hostname> <port> <config>')
sys.exit(1)
rcvr.setPadCallback(ProcessPad)
rcvr.start(sys.argv[1],int(sys.argv[2]))
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