Esempio n. 1
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def jsonrpc_server_call(target, jsonrpc_request, json_decoder=None):
    """Execute the given JSON-RPC request (as JSON-encoded string) on the given
    target object and return the JSON-RPC response, as a dict
    """
    if json_decoder is None:
        json_decoder = ScrapyJSONDecoder()

    try:
        req = json_decoder.decode(jsonrpc_request.decode('utf-8'))
    except Exception as e:
        return jsonrpc_error(None, jsonrpc_errors.PARSE_ERROR, 'Parse error',
                             traceback.format_exc())

    try:
        id, methname = req['id'], req['method']
    except KeyError:
        return jsonrpc_error(None, jsonrpc_errors.INVALID_REQUEST,
                             'Invalid Request')

    try:
        method = getattr(target, methname)
    except AttributeError:
        return jsonrpc_error(id, jsonrpc_errors.METHOD_NOT_FOUND,
                             'Method not found')

    params = req.get('params', [])
    a, kw = ([], params) if isinstance(params, dict) else (params, {})
    kw = dict([(str(k), v) for k, v in kw.items()])  # convert kw keys to str
    try:
        return jsonrpc_result(id, method(*a, **kw))
    except Exception as e:
        return jsonrpc_error(id, jsonrpc_errors.INTERNAL_ERROR, str(e), \
            traceback.format_exc())
Esempio n. 2
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def jsonrpc_server_call(target, jsonrpc_request, json_decoder=None):
    """Execute the given JSON-RPC request (as JSON-encoded string) on the given
    target object and return the JSON-RPC response, as a dict
    """
    if json_decoder is None:
        json_decoder = ScrapyJSONDecoder()

    try:
        req = json_decoder.decode(jsonrpc_request)
    except Exception as e:
        return jsonrpc_error(None, jsonrpc_errors.PARSE_ERROR, 'Parse error',
                             traceback.format_exc())

    try:
        id, methname = req['id'], req['method']
    except KeyError:
        return jsonrpc_error(None, jsonrpc_errors.INVALID_REQUEST, 'Invalid Request')

    try:
        method = getattr(target, methname)
    except AttributeError:
        return jsonrpc_error(id, jsonrpc_errors.METHOD_NOT_FOUND, 'Method not found')

    params = req.get('params', [])
    a, kw = ([], params) if isinstance(params, dict) else (params, {})
    kw = dict([(str(k), v) for k, v in kw.items()])  # convert kw keys to str
    try:
        return jsonrpc_result(id, method(*a, **kw))
    except Exception as e:
        return jsonrpc_error(id, jsonrpc_errors.INTERNAL_ERROR, str(e), \
                             traceback.format_exc())
Esempio n. 3
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 def setUp(self):
     self.spider1 = Spider('name1')
     self.spider2 = Spider('name2')
     open_spiders = set([self.spider1, self.spider2])
     crawler = CrawlerMock(open_spiders)
     self.spref = SpiderReferencer(crawler)
     self.encoder = ScrapyJSONEncoder(spref=self.spref)
     self.decoder = ScrapyJSONDecoder(spref=self.spref)
Esempio n. 4
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 def setUp(self):
     crawler = CrawlerMock([])
     self.json_decoder = ScrapyJSONDecoder(crawler=crawler)
Esempio n. 5
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 def __init__(self, crawler, target=None):
     JsonResource.__init__(self, crawler, target)
     self.json_decoder = ScrapyJSONDecoder(crawler=crawler)
     self.crawler = crawler
     self._target = target
Esempio n. 6
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    def __init__(self, crawler, target=None):
        super(JsonRpcResource, self).__init__(crawler, target)

        self.json_decoder = ScrapyJSONDecoder(crawler=crawler)
        self.crawler = crawler
        self._target = target