86 lines
2.4 KiB
Python
86 lines
2.4 KiB
Python
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from __future__ import absolute_import
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import copy
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import json
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import logging
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import time
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from uuid import uuid4
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from flask import Blueprint, request, Response
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from ..exceptions import JSONRPCInvalidRequestException
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from ..jsonrpc import JSONRPCRequest
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from ..manager import JSONRPCResponseManager
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from ..utils import DatetimeDecimalEncoder
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from ..dispatcher import Dispatcher
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logger = logging.getLogger(__name__)
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class JSONRPCAPI(object):
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def __init__(self, dispatcher=None, check_content_type=True):
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"""
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:param dispatcher: methods dispatcher
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:param check_content_type: if True - content-type must be
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"application/json"
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:return:
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"""
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self.dispatcher = dispatcher if dispatcher is not None \
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else Dispatcher()
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self.check_content_type = check_content_type
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def as_blueprint(self, name=None):
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blueprint = Blueprint(name if name else str(uuid4()), __name__)
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blueprint.add_url_rule(
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'/', view_func=self.jsonrpc, methods=['POST'])
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blueprint.add_url_rule(
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'/map', view_func=self.jsonrpc_map, methods=['GET'])
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return blueprint
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def as_view(self):
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return self.jsonrpc
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def jsonrpc(self):
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request_str = self._get_request_str()
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try:
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jsonrpc_request = JSONRPCRequest.from_json(request_str)
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except (TypeError, ValueError, JSONRPCInvalidRequestException):
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response = JSONRPCResponseManager.handle(
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request_str, self.dispatcher)
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else:
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response = JSONRPCResponseManager.handle_request(
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jsonrpc_request, self.dispatcher)
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if response:
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response.serialize = self._serialize
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response = response.json
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return Response(response, content_type="application/json")
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def jsonrpc_map(self):
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""" Map of json-rpc available calls.
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:return str:
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"""
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result = "<h1>JSON-RPC map</h1><pre>{0}</pre>".format("\n\n".join([
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"{0}: {1}".format(fname, f.__doc__)
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for fname, f in self.dispatcher.items()
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]))
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return Response(result)
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def _get_request_str(self):
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if self.check_content_type or request.data:
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return request.data
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return list(request.form.keys())[0]
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@staticmethod
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def _serialize(s):
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return json.dumps(s, cls=DatetimeDecimalEncoder)
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api = JSONRPCAPI()
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