mirror of
https://github.com/ClickHouse/ClickHouse.git
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85 lines
2.3 KiB
Python
85 lines
2.3 KiB
Python
# Copyright (c) 2019 Vitaliy Zakaznikov
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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import http.client
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CURDIR = os.path.dirname(os.path.realpath(__file__))
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sys.path.insert(0, CURDIR)
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import uexpect
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from threading import Thread, Event
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from queue import Queue, Empty
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class IO(uexpect.IO):
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def __init__(self, connection, response, queue, reader):
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self.connection = connection
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self.response = response
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super(IO, self).__init__(None, None, queue, reader)
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def write(self, data):
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raise NotImplementedError
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def close(self, force=True):
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self.reader["kill_event"].set()
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self.connection.close()
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if self._logger:
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self._logger.write("\n")
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self._logger.flush()
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def reader(response, queue, kill_event):
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while True:
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try:
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if kill_event.is_set():
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break
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data = response.read(1).decode()
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queue.put(data)
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except Exception as e:
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if kill_event.is_set():
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break
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raise
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def spawn(connection, request):
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connection = http.client.HTTPConnection(**connection)
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connection.request(**request)
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response = connection.getresponse()
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queue = Queue()
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reader_kill_event = Event()
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thread = Thread(target=reader, args=(response, queue, reader_kill_event))
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thread.daemon = True
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thread.start()
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return IO(
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connection,
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response,
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queue,
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reader={"thread": thread, "kill_event": reader_kill_event},
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)
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if __name__ == "__main__":
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with spawn(
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{"host": "localhost", "port": 8123},
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{"method": "GET", "url": "?query=SELECT%201"},
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) as client:
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client.logger(sys.stdout)
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client.timeout(2)
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print(client.response.status, client.response.reason)
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client.expect("1\n")
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