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import asyncio |
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2
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import aiohttp |
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3
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4
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from gremlin_python.driver import transport |
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6
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7
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class AiohttpTransport(transport.AbstractBaseTransport): |
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9
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def __init__(self, loop): |
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self._loop = loop |
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11
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self._connected = False |
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12
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13
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async def connect(self, url, *, ssl_context=None): |
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await self.close() |
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connector = aiohttp.TCPConnector( |
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ssl_context=ssl_context, loop=self._loop) |
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self._client_session = aiohttp.ClientSession( |
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loop=self._loop, connector=connector) |
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self._ws = await self._client_session.ws_connect(url) |
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self._connected = True |
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22
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async def write(self, message): |
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coro = self._ws.send_bytes(message) |
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if asyncio.iscoroutine(coro): |
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await coro |
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async def read(self): |
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data = await self._ws.receive() |
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if data.type == aiohttp.WSMsgType.close: |
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await self._transport.close() |
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raise RuntimeError("Connection closed by server") |
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elif data.type == aiohttp.WSMsgType.error: |
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# This won't raise properly, fix |
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raise data.data |
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elif data.type == aiohttp.WSMsgType.closed: |
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# Hmm |
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raise RuntimeError("Connection closed by server") |
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elif data.type == aiohttp.WSMsgType.text: |
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# Should return bytes |
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40
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data = data.data.strip().encode('utf-8') |
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else: |
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data = data.data |
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return data |
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45
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async def close(self): |
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if self._connected: |
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if not self._ws.closed: |
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await self._ws.close() |
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if not self._client_session.closed: |
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await self._client_session.close() |
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52
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@property |
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def closed(self): |
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return self._ws.closed or self._client_session.closed |
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goblin-ogm /
aiogremlin
