Removed custom WSGIRequestHandler.get_environ

We probably historically customized it for good reasons, but
currently, the differences with upstream Python are not
significant any longer.
Also fixes #19075 for which a test has been added.

django/core/servers/basehttp.py

@@ -14,9 +14,8 @@ import socket
 import sys
 import traceback
 try:
-    from urllib.parse import unquote, urljoin
+    from urllib.parse import urljoin
 except ImportError:     # Python 2
-    from urllib import unquote
     from urlparse import urljoin
 from django.utils.six.moves import socketserver
 from wsgiref import simple_server
@@ -139,37 +138,6 @@ class WSGIRequestHandler(simple_server.WSGIRequestHandler, object):
         self.style = color_style()
         super(WSGIRequestHandler, self).__init__(*args, **kwargs)
 
-    def get_environ(self):
-        env = self.server.base_environ.copy()
-        env['SERVER_PROTOCOL'] = self.request_version
-        env['REQUEST_METHOD'] = self.command
-        if '?' in self.path:
-            path,query = self.path.split('?',1)
-        else:
-            path,query = self.path,''
-
-        env['PATH_INFO'] = unquote(path)
-        env['QUERY_STRING'] = query
-        env['REMOTE_ADDR'] = self.client_address[0]
-        env['CONTENT_TYPE'] = self.headers.get('content-type', 'text/plain')
-
-        length = self.headers.get('content-length')
-        if length:
-            env['CONTENT_LENGTH'] = length
-
-        for key, value in self.headers.items():
-            key = key.replace('-','_').upper()
-            value = value.strip()
-            if key in env:
-                # Skip content length, type, etc.
-                continue
-            if 'HTTP_' + key in env:
-                # Comma-separate multiple headers
-                env['HTTP_' + key] += ',' + value
-            else:
-                env['HTTP_' + key] = value
-        return env
-
     def log_message(self, format, *args):
         # Don't bother logging requests for admin images or the favicon.
         if (self.path.startswith(self.admin_static_prefix)

tests/regressiontests/servers/tests.py

@@ -1,6 +1,9 @@
+# -*- encoding: utf-8 -*-
 """
 Tests for django.core.servers.
 """
+from __future__ import unicode_literals
+
 import os
 try:
     from urllib.request import urlopen, HTTPError
@@ -11,6 +14,7 @@ from django.core.exceptions import ImproperlyConfigured
 from django.test import LiveServerTestCase
 from django.core.servers.basehttp import WSGIServerException
 from django.test.utils import override_settings
+from django.utils.http import urlencode
 
 from .models import Person
 
@@ -134,6 +138,10 @@ class LiveServerViews(LiveServerBase):
         f = self.urlopen('/media/example_media_file.txt')
         self.assertEqual(f.read().rstrip(b'\r\n'), b'example media file')
 
+    def test_environ(self):
+        f = self.urlopen('/environ_view/?%s' % urlencode({'q': 'тест'}))
+        self.assertIn(b"QUERY_STRING: 'q=%D1%82%D0%B5%D1%81%D1%82'", f.read())
+
 
 class LiveServerDatabase(LiveServerBase):
 

tests/regressiontests/servers/urls.py

@@ -9,4 +9,5 @@ urlpatterns = patterns('',
     url(r'^example_view/$', views.example_view),
     url(r'^model_view/$', views.model_view),
     url(r'^create_model_instance/$', views.create_model_instance),
+    url(r'^environ_view/$', views.environ_view),
 )

tests/regressiontests/servers/views.py

@@ -15,3 +15,7 @@ def create_model_instance(request):
     person = Person(name='emily')
     person.save()
     return HttpResponse('')
+
+
+def environ_view(request):
+    return HttpResponse("\n".join(["%s: %r" % (k, v) for k, v in request.environ.items()]))