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# |
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# Licensed to the Apache Software Foundation (ASF) under one |
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# or more contributor license agreements. See the NOTICE file |
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# distributed with this work for additional information |
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# regarding copyright ownership. The ASF licenses this file |
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# to you under the Apache License, Version 2.0 (the |
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# "License"); you may not use this file except in compliance |
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# with the License. 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, |
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# software distributed under the License is distributed on an |
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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# KIND, either express or implied. See the License for the |
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# specific language governing permissions and limitations |
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# under the License. |
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# |
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import http.client |
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import os |
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import socket |
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import sys |
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import urllib.request, urllib.parse, urllib.error |
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import urllib.parse |
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import warnings |
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from io import StringIO |
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from .TTransport import * |
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class THttpClient(TTransportBase): |
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"""Http implementation of TTransport base.""" |
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def __init__(self, uri_or_host, port=None, path=None): |
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"""THttpClient supports two different types constructor parameters. |
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THttpClient(host, port, path) - deprecated |
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THttpClient(uri) |
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Only the second supports https. |
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""" |
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if port is not None: |
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warnings.warn( |
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"Please use the THttpClient('http://host:port/path') syntax", |
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DeprecationWarning, |
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stacklevel=2) |
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self.host = uri_or_host |
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self.port = port |
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assert path |
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self.path = path |
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self.scheme = 'http' |
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else: |
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parsed = urllib.parse.urlparse(uri_or_host) |
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self.scheme = parsed.scheme |
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assert self.scheme in ('http', 'https') |
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if self.scheme == 'http': |
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self.port = parsed.port or http.client.HTTP_PORT |
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elif self.scheme == 'https': |
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self.port = parsed.port or http.client.HTTPS_PORT |
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self.host = parsed.hostname |
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self.path = parsed.path |
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if parsed.query: |
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self.path += '?%s' % parsed.query |
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self.__wbuf = StringIO() |
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self.__http = None |
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self.__timeout = None |
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self.__custom_headers = None |
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def open(self): |
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if self.scheme == 'http': |
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self.__http = http.client.HTTP(self.host, self.port) |
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else: |
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self.__http = http.client.HTTPS(self.host, self.port) |
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def close(self): |
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self.__http.close() |
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self.__http = None |
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def isOpen(self): |
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return self.__http is not None |
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def setTimeout(self, ms): |
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if not hasattr(socket, 'getdefaulttimeout'): |
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raise NotImplementedError |
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if ms is None: |
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self.__timeout = None |
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else: |
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self.__timeout = ms / 1000.0 |
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def setCustomHeaders(self, headers): |
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self.__custom_headers = headers |
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def read(self, sz): |
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return self.__http.file.read(sz) |
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def write(self, buf): |
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self.__wbuf.write(buf) |
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def __withTimeout(f): |
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def _f(*args, **kwargs): |
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orig_timeout = socket.getdefaulttimeout() |
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socket.setdefaulttimeout(args[0].__timeout) |
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result = f(*args, **kwargs) |
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socket.setdefaulttimeout(orig_timeout) |
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return result |
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return _f |
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def flush(self): |
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if self.isOpen(): |
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self.close() |
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self.open() |
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# Pull data out of buffer |
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data = self.__wbuf.getvalue() |
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self.__wbuf = StringIO() |
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# HTTP request |
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self.__http.putrequest('POST', self.path) |
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# Write headers |
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self.__http.putheader('Host', self.host) |
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self.__http.putheader('Content-Type', 'application/x-thrift') |
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self.__http.putheader('Content-Length', str(len(data))) |
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if not self.__custom_headers or 'User-Agent' not in self.__custom_headers: |
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user_agent = 'Python/THttpClient' |
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script = os.path.basename(sys.argv[0]) |
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if script: |
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user_agent = '%s (%s)' % (user_agent, urllib.parse.quote(script)) |
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self.__http.putheader('User-Agent', user_agent) |
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if self.__custom_headers: |
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for key, val in self.__custom_headers.items(): |
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self.__http.putheader(key, val) |
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self.__http.endheaders() |
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# Write payload |
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self.__http.send(data) |
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# Get reply to flush the request |
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self.code, self.message, self.headers = self.__http.getreply() |
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# Decorate if we know how to timeout |
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if hasattr(socket, 'getdefaulttimeout'): |
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flush = __withTimeout(flush) |
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Unidata /
python-awips
