def call(self, method, *args, **kwargs):
"""
Creates the JSON-RPC request string, calls the HTTP server, converts
JSON-RPC response string to python and returns the result.
:param method: Name of the method which will be called on the HTTP server.
Or a list with RPC-Request-Dictionaries. Syntax::
"<MethodName>" or [<JsonRpcRequestDict>, ...]
RPC-Request-Dictionaries will be made with the function
*rpcrequest.create_request_dict()*.
"""
# Create JSON-RPC-request
if isinstance(method, basestring):
request_json = rpcrequest.create_request_json(method, *args, **kwargs)
else:
assert not args and not kwargs
request_json = json.dumps(method)
# Call the HTTP-JSON-RPC server
response_json = http_request(
url = self.url,
json_string = request_json,
username = self.username,
password = self.password,
gzipped=self.gzip_requests,
timeout = self.timeout,
additional_headers = self.additional_headers,
content_type = self.content_type,
cookies = self.cookies
)
if not response_json:
return
# Convert JSON-RPC-response to python-object
response = rpcresponse.parse_response_json(response_json)
if isinstance(response, rpcresponse.Response):
if response.error:
# Raise error
if response.error.code in rpcerror.jsonrpcerrors:
raise rpcerror.jsonrpcerrors[response.error.code](
message = response.error.message,
data = response.error.data
)
else:
raise rpcerror.JSONApplicationError(
code=response.error.code,
message=response.error.message,
data=response.error.data
)
else:
# Return result
return response.result
elif isinstance(response, list):
# Bei Listen wird keine Fehlerauswerung gemacht
return response
def create_request_json(method, *args, **kwargs):
"""
Returns a JSON-RPC-String for a method
:param method: Name of the method
:param args: Positional parameters
:param kwargs: Named parameters
"""
return json.dumps(create_request_dict(method, *args, **kwargs))
def create_request_json(method, *args, **kwargs):
"""
Returns a JSON-RPC-String for a method
:param method: Name of the method
:param args: Positional parameters
:param kwargs: Named parameters
"""
return json.dumps(create_request_dict(method, *args, **kwargs))
def do_GET(self):
"""
Handles HTTP-GET-Request
"""
# Parse URL query
query = urlparse.parse_qs(urllib.splitquery(self.path)[1])
# jsonrpc
jsonrpc = query.get("jsonrpc")
if jsonrpc:
jsonrpc = jsonrpc[0]
# id
id = query.get("id")
if id:
id = id[0]
# method
method = query.get("method")
if method:
method = method[0]
# params
args = []
kwargs = {}
params = query.get("params")
if params:
params = json.loads(params[0])
if isinstance(params, list):
args = params
kwargs = {}
elif isinstance(params, dict):
args = []
kwargs = params
# Create JSON reqeust string
request_dict = rpcrequest.create_request_dict(method, *args, **kwargs)
request_dict["jsonrpc"] = jsonrpc
request_dict["id"] = id
request_json = json.dumps(request_dict)
# Call
response_json = self.call(request_json)
# Return result
self.send_response(code = httplib.OK)
self.set_content_type_json()
self.set_no_cache()
self.set_content_length(len(response_json))
self.end_headers()
self.wfile.write(response_json)
def do_GET(self):
"""
Handles HTTP-GET-Request
"""
# Parse URL query
query = urlparse.parse_qs(urllib.splitquery(self.path)[1])
# jsonrpc
jsonrpc = query.get("jsonrpc")
if jsonrpc:
jsonrpc = jsonrpc[0]
# id
id = query.get("id")
if id:
id = id[0]
# method
method = query.get("method")
if method:
method = method[0]
# params
args = []
kwargs = {}
params = query.get("params")
if params:
params = json.loads(params[0])
if isinstance(params, list):
args = params
kwargs = {}
elif isinstance(params, dict):
args = []
kwargs = params
# Create JSON reqeust string
request_dict = rpcrequest.create_request_dict(method, *args, **kwargs)
request_dict["jsonrpc"] = jsonrpc
request_dict["id"] = id
request_json = json.dumps(request_dict)
# Call
response_json = self.call(request_json)
# Return result
self.send_response(code=httplib.OK)
self.set_content_type_json()
self.set_no_cache()
self.set_content_length(len(response_json))
self.end_headers()
self.wfile.write(response_json)
def call(self, method, *args, **kwargs):
"""
Creates the JSON-RPC request string, calls the HTTP server, converts
JSON-RPC response string to python and returns the result.
:param method: Name of the method which will be called on the HTTP server.
Or a list with RPC-Request-Dictionaries. Syntax::
"<MethodName>" or [<JsonRpcRequestDict>, ...]
RPC-Request-Dictionaries will be made with the function
*rpcrequest.create_request_dict()*.
"""
# Create JSON-RPC-request
if isinstance(method, basestring):
request_json = rpcrequest.create_request_json(method, *args, **kwargs)
else:
assert not args and not kwargs
request_json = json.dumps(method)
# Call the HTTP-JSON-RPC server
response_json = http_request(
url = self.url,
json_string = request_json,
username = self.username,
password = self.password,
timeout = self.timeout,
additional_headers = self.additional_headers,
content_type = self.content_type,
cookies = self.cookies,
gzipped = self.gzipped
)
if not response_json:
return
# Convert JSON-RPC-response to python-object
response = rpcresponse.parse_response_json(response_json)
if isinstance(response, rpcresponse.Response):
if response.error:
# Raise error
raise rpcerror.jsonrpcerrors[response.error.code](
message = response.error.message,
data = response.error.data
)
else:
# Return result
return response.result
elif isinstance(response, list):
# Bei Listen wird keine Fehlerauswerung gemacht
return response
def handle_cgi_request(methods = None):
"""
Gets the JSON-RPC request from CGI environment and returns the
result to STDOUT
"""
import cgi
import cgitb
cgitb.enable()
# get response-body
request_json = sys.stdin.read()
if request_json:
# POST
request_json = urlparse.unquote(request_json)
else:
# GET
args = []
kwargs = {}
fields = cgi.FieldStorage()
jsonrpc = fields.getfirst("jsonrpc")
id = fields.getfirst("id")
method = fields.getfirst("method")
params = fields.getfirst("params")
if params:
params = json.loads(params)
if isinstance(params, list):
args = params
kwargs = {}
elif isinstance(params, dict):
args = []
kwargs = params
# Create JSON request string
request_dict = rpcrequest.create_request_dict(method, *args, **kwargs)
request_dict["jsonrpc"] = jsonrpc
request_dict["id"] = id
request_json = json.dumps(request_dict)
# Call
response_json = rpclib.JsonRpc(methods = methods).call(request_json)
# Return headers
print "Content-Type: application/json"
print "Cache-Control: no-cache"
print "Pragma: no-cache"
print
# Return result
print response_json
def handle_cgi_request(methods = None):
"""
Gets the JSON-RPC request from CGI environment and returns the
result to STDOUT
"""
import cgi
import cgitb
cgitb.enable()
# get response-body
request_json = sys.stdin.read()
if request_json:
# POST
request_json = urlparse.unquote(request_json)
else:
# GET
args = []
kwargs = {}
fields = cgi.FieldStorage()
jsonrpc = fields.getfirst("jsonrpc")
id = fields.getfirst("id")
method = fields.getfirst("method")
params = fields.getfirst("params")
if params:
params = json.loads(params)
if isinstance(params, list):
args = params
kwargs = {}
elif isinstance(params, dict):
args = []
kwargs = params
# Create JSON reqeust string
request_dict = rpcrequest.create_request_dict(method, *args, **kwargs)
request_dict["jsonrpc"] = jsonrpc
request_dict["id"] = id
request_json = json.dumps(request_dict)
# Call
response_json = rpclib.JsonRpc(methods = methods).call(request_json)
# Return headers
print "Content-Type: application/json"
print "Cache-Control: no-cache"
print "Pragma: no-cache"
print
# Return result
print response_json
def call(self, method, *args, **kwargs):
"""
Creates the JSON-RPC request string, calls the HTTP server, converts
JSON-RPC response string to python and returns the result.
:param method: Name of the method which will be called on the HTTP server.
Or a list with RPC-Request-Dictionaries. Syntax::
"<MethodName>" or [<JsonRpcRequestDict>, ...]
RPC-Request-Dictionaries will be made with the function
*rpcrequest.create_request_dict()*.
"""
# Create JSON-RPC-request
if isinstance(method, basestring):
request_json = rpcrequest.create_request_json(method, *args, **kwargs)
else:
request_json = json.dumps(method)
assert not args and not kwargs
# Call the HTTP-JSON-RPC server
response_json = http_request(
url = self.url,
json_string = request_json,
username = self.username,
password = self.password,
cookies = self.cookies
)
# Convert JSON-RPC-response to python-object
response = rpcresponse.parse_response_json(response_json)
if response.error:
# Raise error
raise rpcerror.jsonrpcerrors[response.error.code](
message = response.error.message,
data = response.error.data
)
else:
# Return result
return response.result
def call(self, method, *args, **kwargs):
"""
Creates the JSON-RPC request string, calls the HTTP server, converts
JSON-RPC response string to python and returns the result.
:param method: Name of the method which will be called on the HTTP server.
Or a list with RPC-Request-Dictionaries. Syntax::
"<MethodName>" or [<JsonRpcRequestDict>, ...]
RPC-Request-Dictionaries will be made with the function
*rpcrequest.create_request_dict()*.
"""
# Create JSON-RPC-request
if isinstance(method, basestring):
request_json = rpcrequest.create_request_json(method, *args, **kwargs)
else:
request_json = json.dumps(method)
assert not args and not kwargs
# Call the HTTP-JSON-RPC server
response_json = http_request(
url = self.url,
json_string = request_json,
username = self.username,
password = self.password
)
# Convert JSON-RPC-response to python-object
response = rpcresponse.parse_response_json(response_json)
if response.error:
# Raise error
raise rpcerror.jsonrpcerrors[response.error.code](
message = response.error.message,
data = response.error.data
)
else:
# Return result
return response.result
def to_string(self):
"""
Returns a Json-string
"""
positional_params, named_params = self.get_splitted_params()
# Create dictionary
if named_params:
params = named_params
if positional_params:
params["__args"] = positional_params
else:
params = positional_params
data = {
"method": self.method,
"id": self.id,
"jsonrpc": self.jsonrpc or "2.0",
"params": params
}
# Return Json
return json.dumps(data)
def to_string(self):
"""
Returns a Json-string
"""
positional_params, named_params = self.get_splitted_params()
# Create dictionary
if named_params:
params = named_params
if positional_params:
params["__args"] = positional_params
else:
params = positional_params
data = {
"method": self.method,
"id": self.id,
"jsonrpc": self.jsonrpc or "2.0",
"params": params
}
# Return Json
return json.dumps(data)
data = error_data or traceback_info
)
)
)
# Convert responses to dictionaries and filter it
responses_ = []
for response in responses:
if response.id:
responses_.append(response.to_dict())
responses = responses_
# Return as JSON-string (batch or normal)
if responses:
if len(requests) == 1:
return json.dumps(responses[0])
elif len(requests) > 1:
return json.dumps(responses)
def __call__(self, json_request):
"""
Redirects the requests to *self.call*
"""
return self.call(json_request)
def __getitem__(self, key):
"""
Gets back the requested method
def to_string(self):
"""
Returns the response as JSON-string
"""
return json.dumps(self.to_dict())
def request_handler(self, *args, **kwargs):
"""
Json-RPC Handler
"""
if cherrypy.request.method == "GET":
# GET
# jsonrpc
jsonrpc = kwargs.get("jsonrpc")
if jsonrpc:
jsonrpc = jsonrpc[0]
# id
id = kwargs.get("id")
if id:
id = id[0]
# method
method = kwargs.get("method")
if method:
method = method[0]
else:
# Bad Request
raise cherrypy.HTTPError(httplib.BAD_REQUEST)
# params
_args = []
_kwargs = {}
params = kwargs.get("params")
if params:
params = json.loads(params[0])
if isinstance(params, list):
_args = params
_kwargs = {}
elif isinstance(params, dict):
_args = []
_kwargs = params
# Create JSON request string
request_dict = rpcrequest.create_request_dict(
method, *_args, **_kwargs)
request_dict["jsonrpc"] = jsonrpc
request_dict["id"] = id
request_json = json.dumps(request_dict)
else:
# POST
if "gzip" in cherrypy.request.headers.get("Content-Encoding", ""):
request_json = decompress(cherrypy.request.body.read())
else:
request_json = cherrypy.request.body.read()
# Call method
result_string = self.call(request_json) or ""
# Return JSON-String
cherrypy.response.headers["Cache-Control"] = "no-cache"
cherrypy.response.headers["Pragma"] = "no-cache"
cherrypy.response.headers["Content-Type"] = "application/json"
if "gzip" in cherrypy.request.headers.get("Accept-Encoding", ""):
# Gzip-compressed
cherrypy.response.headers["Content-Encoding"] = "gzip"
return compress(result_string, compress_level=5)
else:
# uncompressed
return result_string
