Refactory in contexts.
This commit is contained in:
Rafael Caricio
parent
588c84f64f
commit
728dee527d
2 changed files with 149 additions and 129 deletions
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@ -9,142 +9,14 @@
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# Copyright (c) 2011 Rafael Caricio rafael@caricio.com
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import os
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import sys
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import urllib2
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from threading import Thread
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from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
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from pyvows import Vows
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from django.http import HttpRequest
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from django.core.handlers.wsgi import WSGIHandler
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from django_pyvows.assertions import Url, Model, Template
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from django_pyvows.server import DjangoServer
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class WSGIRequestHandler(BaseHTTPRequestHandler):
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"""A request handler that implements WSGI dispatching."""
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@property
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def server_version(self):
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return 'pyVowsServer'
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def make_environ(self):
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if '?' in self.path:
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path_info, query = self.path.split('?', 1)
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else:
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path_info = self.path
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query = ''
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environ = {
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'wsgi.version': (1, 0),
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'wsgi.url_scheme': 'http',
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'wsgi.input': self.rfile,
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'wsgi.errors': sys.stderr,
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'wsgi.multithread': False,
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'wsgi.multiprocess': False,
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'wsgi.run_once': False,
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'SERVER_SOFTWARE': self.server_version,
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'REQUEST_METHOD': self.command,
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'SCRIPT_NAME': '',
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'PATH_INFO': urllib2.unquote(path_info),
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'QUERY_STRING': query,
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'CONTENT_TYPE': self.headers.get('Content-Type', ''),
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'CONTENT_LENGTH': self.headers.get('Content-Length', ''),
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'REMOTE_ADDR': self.client_address[0],
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'REMOTE_PORT': self.client_address[1],
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'SERVER_NAME': self.server.server_address[0],
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'SERVER_PORT': str(self.server.server_address[1]),
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'SERVER_PROTOCOL': self.request_version
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}
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for key, value in self.headers.items():
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key = 'HTTP_' + key.upper().replace('-', '_')
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if key not in ('HTTP_CONTENT_TYPE', 'HTTP_CONTENT_LENGTH'):
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environ[key] = value
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return environ
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def run_wsgi(self):
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app = self.server.app
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environ = self.make_environ()
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headers_set = []
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headers_sent = []
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def write(data):
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assert headers_set, 'write() before start_response'
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if not headers_sent:
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status, response_headers = headers_sent[:] = headers_set
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code, msg = status.split(None, 1)
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self.send_response(int(code), msg)
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header_keys = set()
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for key, value in response_headers:
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self.send_header(key, value)
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key = key.lower()
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header_keys.add(key)
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if 'content-length' not in header_keys:
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self.close_connection = True
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self.send_header('Connection', 'close')
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if 'server' not in header_keys:
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self.send_header('Server', self.version_string())
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if 'date' not in header_keys:
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self.send_header('Date', self.date_time_string())
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self.end_headers()
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assert type(data) is str, 'applications must write bytes'
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self.wfile.write(data)
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self.wfile.flush()
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def start_response(status, response_headers, exc_info=None):
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if exc_info:
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try:
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if headers_sent:
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raise exc_info[0], exc_info[1], exc_info[2]
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finally:
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exc_info = None
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elif headers_set:
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raise AssertionError('Headers already set')
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headers_set[:] = [status, response_headers]
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return write
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application_iter = app(environ, start_response)
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try:
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for data in application_iter:
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write(data)
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# make sure the headers are sent
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if not headers_sent:
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write('')
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finally:
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if hasattr(application_iter, 'close'):
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application_iter.close()
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application_iter = None
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def handle_one_request(self):
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self.raw_requestline = self.rfile.readline()
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if self.parse_request():
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return self.run_wsgi()
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def log_request(self, *args, **kwargs):
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pass
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def log_error(self, *args):
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pass
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def log_message(self, *args):
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pass
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class DjangoServer(HTTPServer, object):
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def __init__(self, host, port):
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HTTPServer.__init__(self, (host, int(port)), WSGIRequestHandler)
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self.app = WSGIHandler()
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def start(self):
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self.server_activate()
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def make_response():
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while True:
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self.handle_request()
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self.thr = Thread(target=make_response)
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self.thr.daemon = True
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self.thr.start()
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class DjangoContext(Vows.Context):
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148
django_pyvows/server.py
Normal file
148
django_pyvows/server.py
Normal file
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@ -0,0 +1,148 @@
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# django-pyvows extensions
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# https://github.com/rafaelcaricio/django-pyvows
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# Licensed under the MIT license:
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# http://www.opensource.org/licenses/mit-license
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# Copyright (c) 2011 Rafael Caricio rafael@caricio.com
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import sys
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import urllib2
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from threading import Thread
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from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
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from pyvows import Vows
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from django.http import HttpRequest
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from django.core.handlers.wsgi import WSGIHandler
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from django_pyvows.assertions import Url, Model, Template
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class WSGIRequestHandler(BaseHTTPRequestHandler):
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"""A request handler that implements WSGI dispatching."""
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@property
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def server_version(self):
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return 'pyVowsServer'
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def make_environ(self):
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if '?' in self.path:
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path_info, query = self.path.split('?', 1)
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else:
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path_info = self.path
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query = ''
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environ = {
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'wsgi.version': (1, 0),
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'wsgi.url_scheme': 'http',
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'wsgi.input': self.rfile,
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'wsgi.errors': sys.stderr,
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'wsgi.multithread': False,
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'wsgi.multiprocess': False,
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'wsgi.run_once': False,
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'SERVER_SOFTWARE': self.server_version,
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'REQUEST_METHOD': self.command,
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'SCRIPT_NAME': '',
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'PATH_INFO': urllib2.unquote(path_info),
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'QUERY_STRING': query,
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'CONTENT_TYPE': self.headers.get('Content-Type', ''),
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'CONTENT_LENGTH': self.headers.get('Content-Length', ''),
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'REMOTE_ADDR': self.client_address[0],
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'REMOTE_PORT': self.client_address[1],
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'SERVER_NAME': self.server.server_address[0],
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'SERVER_PORT': str(self.server.server_address[1]),
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'SERVER_PROTOCOL': self.request_version
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}
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for key, value in self.headers.items():
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key = 'HTTP_' + key.upper().replace('-', '_')
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if key not in ('HTTP_CONTENT_TYPE', 'HTTP_CONTENT_LENGTH'):
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environ[key] = value
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return environ
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def run_wsgi(self):
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app = self.server.app
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environ = self.make_environ()
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headers_set = []
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headers_sent = []
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def write(data):
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assert headers_set, 'write() before start_response'
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if not headers_sent:
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status, response_headers = headers_sent[:] = headers_set
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code, msg = status.split(None, 1)
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self.send_response(int(code), msg)
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header_keys = set()
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for key, value in response_headers:
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self.send_header(key, value)
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key = key.lower()
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header_keys.add(key)
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if 'content-length' not in header_keys:
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self.close_connection = True
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self.send_header('Connection', 'close')
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if 'server' not in header_keys:
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self.send_header('Server', self.version_string())
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if 'date' not in header_keys:
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self.send_header('Date', self.date_time_string())
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self.end_headers()
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assert type(data) is str, 'applications must write bytes'
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self.wfile.write(data)
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self.wfile.flush()
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def start_response(status, response_headers, exc_info=None):
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if exc_info:
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try:
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if headers_sent:
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raise exc_info[0], exc_info[1], exc_info[2]
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finally:
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exc_info = None
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elif headers_set:
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raise AssertionError('Headers already set')
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headers_set[:] = [status, response_headers]
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return write
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application_iter = app(environ, start_response)
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try:
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for data in application_iter:
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write(data)
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# make sure the headers are sent
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if not headers_sent:
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write('')
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finally:
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if hasattr(application_iter, 'close'):
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application_iter.close()
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application_iter = None
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def handle_one_request(self):
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self.raw_requestline = self.rfile.readline()
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if self.parse_request():
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return self.run_wsgi()
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def log_request(self, *args, **kwargs):
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pass
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def log_error(self, *args):
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pass
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def log_message(self, *args):
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pass
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class DjangoServer(HTTPServer, object):
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def __init__(self, host, port):
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HTTPServer.__init__(self, (host, int(port)), WSGIRequestHandler)
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self.app = WSGIHandler()
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def start(self):
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self.server_activate()
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def make_response():
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while True:
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self.handle_request()
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self.thr = Thread(target=make_response)
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self.thr.daemon = True
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self.thr.start()
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