def _http_query(self, query, timeout=None):
"""
Query Transmission through HTTP.
"""
headers = {'x-transmission-session-id': str(self.session_id)}
result = {}
request_count = 0
if timeout is None:
timeout = self._query_timeout
while True:
LOGGER.debug(json.dumps({'url': self.url, 'headers': headers, 'query': query, 'timeout': timeout}, indent=2))
try:
result = self.http_handler.request(self.url, query, headers, timeout)
break
except HTTPHandlerError, error:
if error.code == 409:
LOGGER.info('Server responded with 409, trying to set session-id.')
if request_count > 1:
raise TransmissionError('Session ID negotiation failed.', error)
if 'x-transmission-session-id' in error.headers:
self.session_id = error.headers['x-transmission-session-id']
headers = {'x-transmission-session-id': str(self.session_id)}
else:
debug_httperror(error)
raise TransmissionError('Unknown conflict.', error)
else:
debug_httperror(error)
raise TransmissionError('Request failed.', error)
request_count += 1
def debug_httperror(error):
"""
Log the Transmission RPC HTTP error.
"""
try:
data = json.loads(error.data)
except ValueError:
data = error.data
LOGGER.debug(
json.dumps(
{
'response': {
'url': error.url,
'code': error.code,
'msg': error.message,
'headers': error.headers,
'data': data,
}
},
indent=2
)
)
, 'arguments': arguments})
self._sequence += 1
start = time.time()
http_data = self._http_query(query, timeout)
elapsed = time.time() - start
LOGGER.info('http request took %.3f s' % (elapsed))
try:
data = json.loads(http_data)
except ValueError, error:
LOGGER.error('Error: ' + str(error))
LOGGER.error('Request: \"%s\"' % (query))
LOGGER.error('HTTP data: \"%s\"' % (http_data))
raise
LOGGER.debug(json.dumps(data, indent=2))
if 'result' in data:
if data['result'] != 'success':
raise TransmissionError('Query failed with result \"%s\".' % (data['result']))
else:
raise TransmissionError('Query failed without result.')
results = {}
if method == 'torrent-get':
for item in data['arguments']['torrents']:
results[item['id']] = Torrent(self, item)
if self.protocol_version == 2 and 'peers' not in item:
self.protocol_version = 1
elif method == 'torrent-add':
item = data['arguments']['torrent-added']
results[item['id']] = Torrent(self, item)
