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SickRage/lib/jsonrpclib/jsonrpc.py
echel0n 0d9fbc1ad7 Welcome to our SickBeard-TVRage Edition ...
This version of SickBeard uses both TVDB and TVRage to search and gather it's series data from allowing you to now have access to and download shows that you couldn't before because of being locked into only what TheTVDB had to offer.

Also this edition is based off the code we used in our XEM editon so it does come with scene numbering support as well as all the other features our XEM edition has to offer.

Please before using this with your existing database (sickbeard.db) please make a backup copy of it and delete any other database files such as cache.db and failed.db if present, we HIGHLY recommend starting out with no database files at all to make this a fresh start but the choice is at your own risk!

Enjoy!
2014-03-09 22:39:12 -07:00

557 lines
17 KiB
Python

"""
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
============================
JSONRPC Library (jsonrpclib)
============================
This library is a JSON-RPC v.2 (proposed) implementation which
follows the xmlrpclib API for portability between clients. It
uses the same Server / ServerProxy, loads, dumps, etc. syntax,
while providing features not present in XML-RPC like:
* Keyword arguments
* Notifications
* Versioning
* Batches and batch notifications
Eventually, I'll add a SimpleXMLRPCServer compatible library,
and other things to tie the thing off nicely. :)
For a quick-start, just open a console and type the following,
replacing the server address, method, and parameters
appropriately.
>>> import jsonrpclib
>>> server = jsonrpclib.Server('http://localhost:8181')
>>> server.add(5, 6)
11
>>> server._notify.add(5, 6)
>>> batch = jsonrpclib.MultiCall(server)
>>> batch.add(3, 50)
>>> batch.add(2, 3)
>>> batch._notify.add(3, 5)
>>> batch()
[53, 5]
See http://code.google.com/p/jsonrpclib/ for more info.
"""
import types
import sys
from xmlrpclib import Transport as XMLTransport
from xmlrpclib import SafeTransport as XMLSafeTransport
from xmlrpclib import ServerProxy as XMLServerProxy
from xmlrpclib import _Method as XML_Method
import time
import string
import random
# Library includes
import lib.jsonrpclib
from lib.jsonrpclib import config
from lib.jsonrpclib import history
# JSON library importing
cjson = None
json = None
try:
import cjson
except ImportError:
try:
import json
except ImportError:
try:
import lib.simplejson as json
except ImportError:
raise ImportError(
'You must have the cjson, json, or simplejson ' +
'module(s) available.'
)
IDCHARS = string.ascii_lowercase+string.digits
class UnixSocketMissing(Exception):
"""
Just a properly named Exception if Unix Sockets usage is
attempted on a platform that doesn't support them (Windows)
"""
pass
#JSON Abstractions
def jdumps(obj, encoding='utf-8'):
# Do 'serialize' test at some point for other classes
global cjson
if cjson:
return cjson.encode(obj)
else:
return json.dumps(obj, encoding=encoding)
def jloads(json_string):
global cjson
if cjson:
return cjson.decode(json_string)
else:
return json.loads(json_string)
# XMLRPClib re-implementations
class ProtocolError(Exception):
pass
class TransportMixIn(object):
""" Just extends the XMLRPC transport where necessary. """
user_agent = config.user_agent
# for Python 2.7 support
_connection = None
def send_content(self, connection, request_body):
connection.putheader("Content-Type", "application/json-rpc")
connection.putheader("Content-Length", str(len(request_body)))
connection.endheaders()
if request_body:
connection.send(request_body)
def getparser(self):
target = JSONTarget()
return JSONParser(target), target
class JSONParser(object):
def __init__(self, target):
self.target = target
def feed(self, data):
self.target.feed(data)
def close(self):
pass
class JSONTarget(object):
def __init__(self):
self.data = []
def feed(self, data):
self.data.append(data)
def close(self):
return ''.join(self.data)
class Transport(TransportMixIn, XMLTransport):
pass
class SafeTransport(TransportMixIn, XMLSafeTransport):
pass
from httplib import HTTP, HTTPConnection
from socket import socket
USE_UNIX_SOCKETS = False
try:
from socket import AF_UNIX, SOCK_STREAM
USE_UNIX_SOCKETS = True
except ImportError:
pass
if (USE_UNIX_SOCKETS):
class UnixHTTPConnection(HTTPConnection):
def connect(self):
self.sock = socket(AF_UNIX, SOCK_STREAM)
self.sock.connect(self.host)
class UnixHTTP(HTTP):
_connection_class = UnixHTTPConnection
class UnixTransport(TransportMixIn, XMLTransport):
def make_connection(self, host):
import httplib
host, extra_headers, x509 = self.get_host_info(host)
return UnixHTTP(host)
class ServerProxy(XMLServerProxy):
"""
Unfortunately, much more of this class has to be copied since
so much of it does the serialization.
"""
def __init__(self, uri, transport=None, encoding=None,
verbose=0, version=None):
import urllib
if not version:
version = config.version
self.__version = version
schema, uri = urllib.splittype(uri)
if schema not in ('http', 'https', 'unix'):
raise IOError('Unsupported JSON-RPC protocol.')
if schema == 'unix':
if not USE_UNIX_SOCKETS:
# Don't like the "generic" Exception...
raise UnixSocketMissing("Unix sockets not available.")
self.__host = uri
self.__handler = '/'
else:
self.__host, self.__handler = urllib.splithost(uri)
if not self.__handler:
# Not sure if this is in the JSON spec?
#self.__handler = '/'
self.__handler == '/'
if transport is None:
if schema == 'unix':
transport = UnixTransport()
elif schema == 'https':
transport = SafeTransport()
else:
transport = Transport()
self.__transport = transport
self.__encoding = encoding
self.__verbose = verbose
def _request(self, methodname, params, rpcid=None):
request = dumps(params, methodname, encoding=self.__encoding,
rpcid=rpcid, version=self.__version)
response = self._run_request(request)
check_for_errors(response)
return response['result']
def _request_notify(self, methodname, params, rpcid=None):
request = dumps(params, methodname, encoding=self.__encoding,
rpcid=rpcid, version=self.__version, notify=True)
response = self._run_request(request, notify=True)
check_for_errors(response)
return
def _run_request(self, request, notify=None):
history.add_request(request)
response = self.__transport.request(
self.__host,
self.__handler,
request,
verbose=self.__verbose
)
# Here, the XMLRPC library translates a single list
# response to the single value -- should we do the
# same, and require a tuple / list to be passed to
# the response object, or expect the Server to be
# outputting the response appropriately?
history.add_response(response)
if not response:
return None
return_obj = loads(response)
return return_obj
def __getattr__(self, name):
# Same as original, just with new _Method reference
return _Method(self._request, name)
@property
def _notify(self):
# Just like __getattr__, but with notify namespace.
return _Notify(self._request_notify)
class _Method(XML_Method):
def __call__(self, *args, **kwargs):
if len(args) > 0 and len(kwargs) > 0:
raise ProtocolError('Cannot use both positional ' +
'and keyword arguments (according to JSON-RPC spec.)')
if len(args) > 0:
return self.__send(self.__name, args)
else:
return self.__send(self.__name, kwargs)
def __getattr__(self, name):
self.__name = '%s.%s' % (self.__name, name)
return self
# The old method returned a new instance, but this seemed wasteful.
# The only thing that changes is the name.
#return _Method(self.__send, "%s.%s" % (self.__name, name))
class _Notify(object):
def __init__(self, request):
self._request = request
def __getattr__(self, name):
return _Method(self._request, name)
# Batch implementation
class MultiCallMethod(object):
def __init__(self, method, notify=False):
self.method = method
self.params = []
self.notify = notify
def __call__(self, *args, **kwargs):
if len(kwargs) > 0 and len(args) > 0:
raise ProtocolError('JSON-RPC does not support both ' +
'positional and keyword arguments.')
if len(kwargs) > 0:
self.params = kwargs
else:
self.params = args
def request(self, encoding=None, rpcid=None):
return dumps(self.params, self.method, version=2.0,
encoding=encoding, rpcid=rpcid, notify=self.notify)
def __repr__(self):
return '%s' % self.request()
def __getattr__(self, method):
new_method = '%s.%s' % (self.method, method)
self.method = new_method
return self
class MultiCallNotify(object):
def __init__(self, multicall):
self.multicall = multicall
def __getattr__(self, name):
new_job = MultiCallMethod(name, notify=True)
self.multicall._job_list.append(new_job)
return new_job
class MultiCallIterator(object):
def __init__(self, results):
self.results = results
def __iter__(self):
for i in range(0, len(self.results)):
yield self[i]
raise StopIteration
def __getitem__(self, i):
item = self.results[i]
check_for_errors(item)
return item['result']
def __len__(self):
return len(self.results)
class MultiCall(object):
def __init__(self, server):
self._server = server
self._job_list = []
def _request(self):
if len(self._job_list) < 1:
# Should we alert? This /is/ pretty obvious.
return
request_body = '[ %s ]' % ','.join([job.request() for
job in self._job_list])
responses = self._server._run_request(request_body)
del self._job_list[:]
if not responses:
responses = []
return MultiCallIterator(responses)
@property
def _notify(self):
return MultiCallNotify(self)
def __getattr__(self, name):
new_job = MultiCallMethod(name)
self._job_list.append(new_job)
return new_job
__call__ = _request
# These lines conform to xmlrpclib's "compatibility" line.
# Not really sure if we should include these, but oh well.
Server = ServerProxy
class Fault(object):
# JSON-RPC error class
def __init__(self, code=-32000, message='Server error', rpcid=None):
self.faultCode = code
self.faultString = message
self.rpcid = rpcid
def error(self):
return {'code':self.faultCode, 'message':self.faultString}
def response(self, rpcid=None, version=None):
if not version:
version = config.version
if rpcid:
self.rpcid = rpcid
return dumps(
self, methodresponse=True, rpcid=self.rpcid, version=version
)
def __repr__(self):
return '<Fault %s: %s>' % (self.faultCode, self.faultString)
def random_id(length=8):
return_id = ''
for i in range(length):
return_id += random.choice(IDCHARS)
return return_id
class Payload(dict):
def __init__(self, rpcid=None, version=None):
if not version:
version = config.version
self.id = rpcid
self.version = float(version)
def request(self, method, params=[]):
if type(method) not in types.StringTypes:
raise ValueError('Method name must be a string.')
if not self.id:
self.id = random_id()
request = { 'id':self.id, 'method':method }
if params:
request['params'] = params
if self.version >= 2:
request['jsonrpc'] = str(self.version)
return request
def notify(self, method, params=[]):
request = self.request(method, params)
if self.version >= 2:
del request['id']
else:
request['id'] = None
return request
def response(self, result=None):
response = {'result':result, 'id':self.id}
if self.version >= 2:
response['jsonrpc'] = str(self.version)
else:
response['error'] = None
return response
def error(self, code=-32000, message='Server error.'):
error = self.response()
if self.version >= 2:
del error['result']
else:
error['result'] = None
error['error'] = {'code':code, 'message':message}
return error
def dumps(params=[], methodname=None, methodresponse=None,
encoding=None, rpcid=None, version=None, notify=None):
"""
This differs from the Python implementation in that it implements
the rpcid argument since the 2.0 spec requires it for responses.
"""
if not version:
version = config.version
valid_params = (types.TupleType, types.ListType, types.DictType)
if methodname in types.StringTypes and \
type(params) not in valid_params and \
not isinstance(params, Fault):
"""
If a method, and params are not in a listish or a Fault,
error out.
"""
raise TypeError('Params must be a dict, list, tuple or Fault ' +
'instance.')
# Begin parsing object
payload = Payload(rpcid=rpcid, version=version)
if not encoding:
encoding = 'utf-8'
if type(params) is Fault:
response = payload.error(params.faultCode, params.faultString)
return jdumps(response, encoding=encoding)
if type(methodname) not in types.StringTypes and methodresponse != True:
raise ValueError('Method name must be a string, or methodresponse '+
'must be set to True.')
if config.use_jsonclass == True:
from lib.jsonrpclib import jsonclass
params = jsonclass.dump(params)
if methodresponse is True:
if rpcid is None:
raise ValueError('A method response must have an rpcid.')
response = payload.response(params)
return jdumps(response, encoding=encoding)
request = None
if notify == True:
request = payload.notify(methodname, params)
else:
request = payload.request(methodname, params)
return jdumps(request, encoding=encoding)
def loads(data):
"""
This differs from the Python implementation, in that it returns
the request structure in Dict format instead of the method, params.
It will return a list in the case of a batch request / response.
"""
if data == '':
# notification
return None
result = jloads(data)
# if the above raises an error, the implementing server code
# should return something like the following:
# { 'jsonrpc':'2.0', 'error': fault.error(), id: None }
if config.use_jsonclass == True:
from lib.jsonrpclib import jsonclass
result = jsonclass.load(result)
return result
def check_for_errors(result):
if not result:
# Notification
return result
if type(result) is not types.DictType:
raise TypeError('Response is not a dict.')
if 'jsonrpc' in result.keys() and float(result['jsonrpc']) > 2.0:
raise NotImplementedError('JSON-RPC version not yet supported.')
if 'result' not in result.keys() and 'error' not in result.keys():
raise ValueError('Response does not have a result or error key.')
if 'error' in result.keys() and result['error'] != None:
code = result['error']['code']
message = result['error']['message']
raise ProtocolError((code, message))
return result
def isbatch(result):
if type(result) not in (types.ListType, types.TupleType):
return False
if len(result) < 1:
return False
if type(result[0]) is not types.DictType:
return False
if 'jsonrpc' not in result[0].keys():
return False
try:
version = float(result[0]['jsonrpc'])
except ValueError:
raise ProtocolError('"jsonrpc" key must be a float(able) value.')
if version < 2:
return False
return True
def isnotification(request):
if 'id' not in request.keys():
# 2.0 notification
return True
if request['id'] == None:
# 1.0 notification
return True
return False