svgui/pyjs/jsonrpc/jsonrpc.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Wed, 23 May 2018 12:13:48 +0300
changeset 2016 2a8cd24a14ca
parent 1881 091005ec69c4
permissions -rw-r--r--
Print version information about software used for tests
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from __future__ import absolute_import
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import sys
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import gluon.contrib.simplejson as simplejson
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class JSONRPCServiceBase(object):
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    def __init__(self):
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        self.methods = {}
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    def response(self, id, result):
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        return simplejson.dumps({'version': '1.1', 'id': id,
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                                 'result': result, 'error': None})
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    def error(self, id, code, message):
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        return simplejson.dumps({
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            'id': id,
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            'version': '1.1',
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            'error': {'name': 'JSONRPCError',
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                      'code': code,
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                      'message': message}
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        })
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    def add_method(self, name, method):
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        self.methods[name] = method
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    def process(self, data):
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        data = simplejson.loads(data)
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        id, method, params = data["id"], data["method"], data["params"]
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        if method in self.methods:
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            try:
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                result = self.methods[method](*params)
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                return self.response(id, result)
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            except Exception:
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                etype, eval, _etb = sys.exc_info()
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                return self.error(id, 100, 'Exception %s: %s' % (etype, eval))
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            except BaseException:
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                etype, eval, _etb = sys.exc_info()
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                return self.error(id, 100, '%s: %s' % (etype.__name__, eval))
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        else:
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            return self.error(id, 100, 'method "%s" does not exist' % method)
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    def listmethods(self):
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        return self.methods.keys()