Rivendellaudio/apis/pypad/scripts/pypad_httpget.py
2019-08-15 10:19:19 -07:00

79 lines
2.5 KiB
Python
Executable File

#!%PYTHON_BANGPATH%
# pypad_httpget.py
#
# Write PAD updates to HTTP GET URL
#
# (C) Copyright 2019 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 configparser
import pycurl
import pypad
import syslog
from io import BytesIO
def eprint(*args,**kwargs):
print(*args,file=sys.stderr,**kwargs)
def ProcessPad(update):
if update.hasPadType(pypad.TYPE_NOW):
n=1
while(True):
section='Url'+str(n)
try:
url=update.resolvePadFields(update.config().get(section,'URL'),pypad.ESCAPE_URL)
buf=BytesIO()
curl=pycurl.Curl()
curl.setopt(curl.URL,url)
curl.setopt(curl.WRITEDATA,buf)
curl.setopt(curl.FOLLOWLOCATION,True)
except configparser.NoSectionError:
if(n==1):
update.syslog(syslog.LOG_WARNING,'No httpget config found')
return
if update.shouldBeProcessed(section):
try:
curl.perform()
code=curl.getinfo(pycurl.RESPONSE_CODE)
if (code<200) or (code>=300):
update.syslog(syslog.LOG_WARNING,'['+section+'] returned response code '+str(code))
else:
update.syslog(syslog.LOG_NOTICE,'['+section+'] successful')
except pycurl.error:
update.syslog(syslog.LOG_WARNING,'['+section+'] failed: '+curl.errstr())
update.syslog(syslog.LOG_WARNING,'['+section+'] URL: '+url)
curl.close()
n=n+1
#
# 'Main' function
#
rcvr=pypad.Receiver()
try:
rcvr.setConfigFile(sys.argv[3])
except IndexError:
eprint('pypad_httpget.py: USAGE: cmd <hostname> <port> <config>')
sys.exit(1)
rcvr.setPadCallback(ProcessPad)
rcvr.start(sys.argv[1],int(sys.argv[2]))