#!/usr/bin/env python

import sys, os
from optparse import OptionParser

option_parser = OptionParser(usage='''
%prog [options] GRAPHITE_ROOT
''')
option_parser.add_option('--port', default=8080, action='store', type=int, help='Port to listen on')
option_parser.add_option('--libs', default=None, help='Path to the directory containing the graphite python package')

(options, args) = option_parser.parse_args()

if not args:
  option_parser.print_usage()
  sys.exit(1)

graphite_root = args[0]

for name in ('django-admin', 'django-admin.py'):
  django_admin = os.popen('which %s' % name).read().strip()
  if django_admin: break

if not django_admin:
  print "Could not find a django-admin script!"
  sys.exit(1)

python_path = os.path.join(graphite_root, 'webapp')

if options.libs:
  libdir = os.path.expanduser(options.libs)
  print 'Adding %s to your PYTHONPATH' % libdir
  os.environ['PYTHONPATH'] = libdir + ':' + os.environ.get('PYTHONPATH','')

print "Running Graphite from %s under django development server\n" % graphite_root

command = "%s runserver --pythonpath=%s --settings=graphite.settings 0.0.0.0:%d" % (django_admin, python_path, options.port)

print command
sys.exit( os.system(command) >> 8 )