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70 lines
1.9 KiB
70 lines
1.9 KiB
from abc import abstractmethod
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import json
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import sys
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import threading
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if sys.version_info[0] < 3:
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from urllib import quote_plus
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else:
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from urllib.parse import quote_plus
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class Transport:
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def __init__(self, session, connection):
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self._session = session
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self._connection = connection
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@abstractmethod
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def _get_name(self):
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pass
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def negotiate(self):
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url = self.__get_base_url(self._connection,
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'negotiate',
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connectionData=self._connection.data)
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negotiate = self._session.get(url)
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negotiate.raise_for_status()
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return negotiate.json()
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@abstractmethod
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def start(self):
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pass
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@abstractmethod
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def send(self, data):
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pass
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@abstractmethod
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def close(self):
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pass
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def accept(self, negotiate_data):
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return True
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def _handle_notification(self, message):
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if len(message) > 0:
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data = json.loads(message)
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self._connection.received.fire(**data)
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#thread.sleep() #TODO: investigate if we should sleep here
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def _get_url(self, action, **kwargs):
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args = kwargs.copy()
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args['transport'] = self._get_name()
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args['connectionToken'] = self._connection.token
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args['connectionData'] = self._connection.data
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return self.__get_base_url(self._connection, action, **args)
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@staticmethod
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def __get_base_url(connection, action, **kwargs):
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args = kwargs.copy()
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args.update(connection.qs)
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args['clientProtocol'] = connection.protocol_version
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query = '&'.join(['{key}={value}'.format(key=key, value=quote_plus(args[key])) for key in args])
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return '{url}/{action}?{query}'.format(url=connection.url,
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action=action,
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query=query)
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