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Added WSGI support. Created core.handlers package. Moved ALL mod_pyth…

…on-specific code to django.core.handlers.modpython. Note that django.core.handler is still a valid mod_python handler but IS DEPRECATED. Use django.core.handlers.modpython, instead.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@169 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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commit ca3d89b70f30598d8e3a8438fcf4a0050963a21e 1 parent 4e094e2
@adrianholovaty adrianholovaty authored
View
4 django/core/extensions.py
@@ -1,9 +1,7 @@
-"Specialized Context and ModPythonRequest classes for Django. Use these!"
+# Specialized template classes for Django, decoupled from the basic template system.
from django.core.template import Context
-from django.utils.httpwrappers import ModPythonRequest
from django.conf.settings import DEBUG, INTERNAL_IPS
-from pprint import pformat
class DjangoContext(Context):
"""
View
155 django/core/handler.py
@@ -1,150 +1,11 @@
-import os
-from django.utils import httpwrappers
-
-# NOTE: do *not* import settings (or any module which eventually imports
-# settings) until after ModPythonHandler has been called; otherwise os.environ
-# won't be set up correctly (with respect to settings).
-
-class ModPythonHandler:
-
- def __init__(self):
- self._request_middleware = self._view_middleware = self._response_middleware = None
-
- def __call__(self, req):
- # mod_python fakes the environ, and thus doesn't process SetEnv. This fixes that
- os.environ.update(req.subprocess_env)
-
- # now that the environ works we can see the correct settings, so imports
- # that use settings now can work
- from django.conf import settings
- from django.core import db
- from django.utils.httpwrappers import ModPythonRequest
-
- # if we need to set up middleware, now that settings works we can do it now.
- if self._request_middleware is None:
- self.load_middleware()
-
- try:
- request = ModPythonRequest(req)
- response = self.get_response(req.uri, request)
- finally:
- db.db.close()
-
- # Apply response middleware
- for middleware_method in self._response_middleware:
- response = middleware_method(request, response)
-
- # Convert our custom HttpResponse object back into the mod_python req.
- httpwrappers.populate_apache_request(response, req)
- return 0 # mod_python.apache.OK
-
- def load_middleware(self):
- """
- Populate middleware lists from settings.MIDDLEWARE_CLASSES.
-
- Must be called after the environment is fixed (see __call__).
- """
- from django.conf import settings
- from django.core import exceptions
- self._request_middleware = []
- self._view_middleware = []
- self._response_middleware = []
- for middleware_path in settings.MIDDLEWARE_CLASSES:
- dot = middleware_path.rindex('.')
- mw_module, mw_classname = middleware_path[:dot], middleware_path[dot+1:]
- try:
- mod = __import__(mw_module, '', '', [''])
- except ImportError, e:
- raise exceptions.ImproperlyConfigured, 'Error importing middleware %s: "%s"' % (mw_module, e)
- try:
- mw_class = getattr(mod, mw_classname)
- except AttributeError:
- raise exceptions.ImproperlyConfigured, 'Middleware module "%s" does not define a "%s" class' % (mw_module, mw_classname)
-
- try:
- mw_instance = mw_class()
- except exceptions.MiddlewareNotUsed:
- continue
-
- if hasattr(mw_instance, 'process_request'):
- self._request_middleware.append(mw_instance.process_request)
- if hasattr(mw_instance, 'process_view'):
- self._view_middleware.append(mw_instance.process_view)
- if hasattr(mw_instance, 'process_response'):
- self._response_middleware.insert(0, mw_instance.process_response)
-
- def get_response(self, path, request):
- "Returns an HttpResponse object for the given HttpRequest"
- from django.core import db, exceptions, urlresolvers
- from django.core.mail import mail_admins
- from django.conf.settings import DEBUG, INTERNAL_IPS, ROOT_URLCONF
-
- # Apply request middleware
- for middleware_method in self._request_middleware:
- response = middleware_method(request)
- if response:
- return response
-
- conf_module = __import__(ROOT_URLCONF, '', '', [''])
- resolver = urlresolvers.RegexURLResolver(conf_module.urlpatterns)
- try:
- callback, param_dict = resolver.resolve(path)
- # Apply view middleware
- for middleware_method in self._view_middleware:
- response = middleware_method(request, callback, param_dict)
- if response:
- return response
- return callback(request, **param_dict)
- except exceptions.Http404:
- if DEBUG:
- return self.get_technical_error_response(is404=True)
- else:
- resolver = urlresolvers.Error404Resolver(conf_module.handler404)
- callback, param_dict = resolver.resolve()
- return callback(request, **param_dict)
- except db.DatabaseError:
- db.db.rollback()
- if DEBUG:
- return self.get_technical_error_response()
- else:
- subject = 'Database error (%s IP)' % (request.META['REMOTE_ADDR'] in INTERNAL_IPS and 'internal' or 'EXTERNAL')
- message = "%s\n\n%s" % (self._get_traceback(), request)
- mail_admins(subject, message, fail_silently=True)
- return self.get_friendly_error_response(request, conf_module)
- except exceptions.PermissionDenied:
- return httpwrappers.HttpResponseForbidden('<h1>Permission denied</h1>')
- except: # Handle everything else, including SuspiciousOperation, etc.
- if DEBUG:
- return self.get_technical_error_response()
- else:
- subject = 'Coding error (%s IP)' % (request.META['REMOTE_ADDR'] in INTERNAL_IPS and 'internal' or 'EXTERNAL')
- message = "%s\n\n%s" % (self._get_traceback(), request)
- mail_admins(subject, message, fail_silently=True)
- return self.get_friendly_error_response(request, conf_module)
-
- def get_friendly_error_response(self, request, conf_module):
- """
- Returns an HttpResponse that displays a PUBLIC error message for a
- fundamental database or coding error.
- """
- from django.core import urlresolvers
- resolver = urlresolvers.Error404Resolver(conf_module.handler500)
- callback, param_dict = resolver.resolve()
- return callback(request, **param_dict)
-
- def get_technical_error_response(self, is404=False):
- """
- Returns an HttpResponse that displays a TECHNICAL error message for a
- fundamental database or coding error.
- """
- error_string = "<pre>There's been an error:\n\n%s</pre>" % self._get_traceback()
- responseClass = is404 and httpwrappers.HttpResponseNotFound or httpwrappers.HttpResponseServerError
- return responseClass(error_string)
-
- def _get_traceback(self):
- "Helper function to return the traceback as a string"
- import sys, traceback
- return '\n'.join(traceback.format_exception(*sys.exc_info()))
+# This module is DEPRECATED!
+#
+# You should no longer be pointing your mod_python configuration
+# at "django.core.handler".
+#
+# Use "django.core.handlers.modpython" instead.
+
+from django.core.handlers.modpython import ModPythonHandler
def handler(req):
return ModPythonHandler()(req)
View
0  django/core/handlers/__init__.py
No changes.
View
279 django/core/handlers/modpython.py
@@ -0,0 +1,279 @@
+from django.utils import datastructures, httpwrappers
+from pprint import pformat
+import os
+
+# NOTE: do *not* import settings (or any module which eventually imports
+# settings) until after ModPythonHandler has been called; otherwise os.environ
+# won't be set up correctly (with respect to settings).
+
+class ModPythonRequest(httpwrappers.HttpRequest):
+ def __init__(self, req):
+ self._req = req
+ self.path = req.uri
+
+ def __repr__(self):
+ return '<ModPythonRequest\npath:%s,\nGET:%s,\nPOST:%s,\nCOOKIES:%s,\nMETA:%s,\nuser:%s>' % \
+ (self.path, pformat(self.GET), pformat(self.POST), pformat(self.COOKIES),
+ pformat(self.META), pformat(self.user))
+
+ def get_full_path(self):
+ return '%s%s' % (self.path, self._req.args and ('?' + self._req.args) or '')
+
+ def _load_post_and_files(self):
+ "Populates self._post and self._files"
+ if self._req.headers_in.has_key('content-type') and self._req.headers_in['content-type'].startswith('multipart'):
+ self._post, self._files = httpwrappers.parse_file_upload(self._req.headers_in, self._req.read())
+ else:
+ self._post, self._files = httpwrappers.QueryDict(self._req.read()), datastructures.MultiValueDict()
+
+ def _get_request(self):
+ if not hasattr(self, '_request'):
+ self._request = datastructures.MergeDict(self.POST, self.GET)
+ return self._request
+
+ def _get_get(self):
+ if not hasattr(self, '_get'):
+ self._get = httpwrappers.QueryDict(self._req.args)
+ return self._get
+
+ def _set_get(self, get):
+ self._get = get
+
+ def _get_post(self):
+ if not hasattr(self, '_post'):
+ self._load_post_and_files()
+ return self._post
+
+ def _set_post(self, post):
+ self._post = post
+
+ def _get_cookies(self):
+ if not hasattr(self, '_cookies'):
+ self._cookies = httpwrappers.parse_cookie(self._req.headers_in.get('cookie', ''))
+ return self._cookies
+
+ def _set_cookies(self, cookies):
+ self._cookies = cookies
+
+ def _get_files(self):
+ if not hasattr(self, '_files'):
+ self._load_post_and_files()
+ return self._files
+
+ def _get_meta(self):
+ "Lazy loader that returns self.META dictionary"
+ if not hasattr(self, '_meta'):
+ self._meta = {
+ 'AUTH_TYPE': self._req.ap_auth_type,
+ 'CONTENT_LENGTH': self._req.clength, # This may be wrong
+ 'CONTENT_TYPE': self._req.content_type, # This may be wrong
+ 'GATEWAY_INTERFACE': 'CGI/1.1',
+ 'PATH_INFO': self._req.path_info,
+ 'PATH_TRANSLATED': None, # Not supported
+ 'QUERY_STRING': self._req.args,
+ 'REMOTE_ADDR': self._req.connection.remote_ip,
+ 'REMOTE_HOST': None, # DNS lookups not supported
+ 'REMOTE_IDENT': self._req.connection.remote_logname,
+ 'REMOTE_USER': self._req.user,
+ 'REQUEST_METHOD': self._req.method,
+ 'SCRIPT_NAME': None, # Not supported
+ 'SERVER_NAME': self._req.server.server_hostname,
+ 'SERVER_PORT': self._req.server.port,
+ 'SERVER_PROTOCOL': self._req.protocol,
+ 'SERVER_SOFTWARE': 'mod_python'
+ }
+ for key, value in self._req.headers_in.items():
+ key = 'HTTP_' + key.upper().replace('-', '_')
+ self._meta[key] = value
+ return self._meta
+
+ def _load_session_and_user(self):
+ from django.models.auth import sessions
+ from django.conf.settings import AUTH_SESSION_COOKIE
+ session_cookie = self.COOKIES.get(AUTH_SESSION_COOKIE, '')
+ try:
+ self._session = sessions.get_session_from_cookie(session_cookie)
+ self._user = self._session.get_user()
+ except sessions.SessionDoesNotExist:
+ from django.parts.auth import anonymoususers
+ self._session = None
+ self._user = anonymoususers.AnonymousUser()
+
+ def _get_session(self):
+ if not hasattr(self, '_session'):
+ self._load_session_and_user()
+ return self._session
+
+ def _set_session(self, session):
+ self._session = session
+
+ def _get_user(self):
+ if not hasattr(self, '_user'):
+ self._load_session_and_user()
+ return self._user
+
+ def _set_user(self, user):
+ self._user = user
+
+ GET = property(_get_get, _set_get)
+ POST = property(_get_post, _set_post)
+ COOKIES = property(_get_cookies, _set_cookies)
+ FILES = property(_get_files)
+ META = property(_get_meta)
+ REQUEST = property(_get_request)
+ session = property(_get_session, _set_session)
+ user = property(_get_user, _set_user)
+
+class ModPythonHandler:
+ def __init__(self):
+ self._request_middleware = self._view_middleware = self._response_middleware = None
+
+ def __call__(self, req):
+ # mod_python fakes the environ, and thus doesn't process SetEnv. This fixes that
+ os.environ.update(req.subprocess_env)
+
+ # now that the environ works we can see the correct settings, so imports
+ # that use settings now can work
+ from django.conf import settings
+ from django.core import db
+
+ # if we need to set up middleware, now that settings works we can do it now.
+ if self._request_middleware is None:
+ self.load_middleware()
+
+ try:
+ request = ModPythonRequest(req)
+ response = self.get_response(req.uri, request)
+ finally:
+ db.db.close()
+
+ # Apply response middleware
+ for middleware_method in self._response_middleware:
+ response = middleware_method(request, response)
+
+ # Convert our custom HttpResponse object back into the mod_python req.
+ populate_apache_request(response, req)
+ return 0 # mod_python.apache.OK
+
+ def load_middleware(self):
+ """
+ Populate middleware lists from settings.MIDDLEWARE_CLASSES.
+
+ Must be called after the environment is fixed (see __call__).
+ """
+ from django.conf import settings
+ from django.core import exceptions
+ self._request_middleware = []
+ self._view_middleware = []
+ self._response_middleware = []
+ for middleware_path in settings.MIDDLEWARE_CLASSES:
+ dot = middleware_path.rindex('.')
+ mw_module, mw_classname = middleware_path[:dot], middleware_path[dot+1:]
+ try:
+ mod = __import__(mw_module, '', '', [''])
+ except ImportError, e:
+ raise exceptions.ImproperlyConfigured, 'Error importing middleware %s: "%s"' % (mw_module, e)
+ try:
+ mw_class = getattr(mod, mw_classname)
+ except AttributeError:
+ raise exceptions.ImproperlyConfigured, 'Middleware module "%s" does not define a "%s" class' % (mw_module, mw_classname)
+
+ try:
+ mw_instance = mw_class()
+ except exceptions.MiddlewareNotUsed:
+ continue
+
+ if hasattr(mw_instance, 'process_request'):
+ self._request_middleware.append(mw_instance.process_request)
+ if hasattr(mw_instance, 'process_view'):
+ self._view_middleware.append(mw_instance.process_view)
+ if hasattr(mw_instance, 'process_response'):
+ self._response_middleware.insert(0, mw_instance.process_response)
+
+ def get_response(self, path, request):
+ "Returns an HttpResponse object for the given HttpRequest"
+ from django.core import db, exceptions, urlresolvers
+ from django.core.mail import mail_admins
+ from django.conf.settings import DEBUG, INTERNAL_IPS, ROOT_URLCONF
+
+ # Apply request middleware
+ for middleware_method in self._request_middleware:
+ response = middleware_method(request)
+ if response:
+ return response
+
+ conf_module = __import__(ROOT_URLCONF, '', '', [''])
+ resolver = urlresolvers.RegexURLResolver(conf_module.urlpatterns)
+ try:
+ callback, param_dict = resolver.resolve(path)
+ # Apply view middleware
+ for middleware_method in self._view_middleware:
+ response = middleware_method(request, callback, param_dict)
+ if response:
+ return response
+ return callback(request, **param_dict)
+ except exceptions.Http404:
+ if DEBUG:
+ return self.get_technical_error_response(is404=True)
+ else:
+ resolver = urlresolvers.Error404Resolver(conf_module.handler404)
+ callback, param_dict = resolver.resolve()
+ return callback(request, **param_dict)
+ except db.DatabaseError:
+ db.db.rollback()
+ if DEBUG:
+ return self.get_technical_error_response()
+ else:
+ subject = 'Database error (%s IP)' % (request.META['REMOTE_ADDR'] in INTERNAL_IPS and 'internal' or 'EXTERNAL')
+ message = "%s\n\n%s" % (self._get_traceback(), request)
+ mail_admins(subject, message, fail_silently=True)
+ return self.get_friendly_error_response(request, conf_module)
+ except exceptions.PermissionDenied:
+ return httpwrappers.HttpResponseForbidden('<h1>Permission denied</h1>')
+ except: # Handle everything else, including SuspiciousOperation, etc.
+ if DEBUG:
+ return self.get_technical_error_response()
+ else:
+ subject = 'Coding error (%s IP)' % (request.META['REMOTE_ADDR'] in INTERNAL_IPS and 'internal' or 'EXTERNAL')
+ message = "%s\n\n%s" % (self._get_traceback(), request)
+ mail_admins(subject, message, fail_silently=True)
+ return self.get_friendly_error_response(request, conf_module)
+
+ def get_friendly_error_response(self, request, conf_module):
+ """
+ Returns an HttpResponse that displays a PUBLIC error message for a
+ fundamental database or coding error.
+ """
+ from django.core import urlresolvers
+ resolver = urlresolvers.Error404Resolver(conf_module.handler500)
+ callback, param_dict = resolver.resolve()
+ return callback(request, **param_dict)
+
+ def get_technical_error_response(self, is404=False):
+ """
+ Returns an HttpResponse that displays a TECHNICAL error message for a
+ fundamental database or coding error.
+ """
+ error_string = "<pre>There's been an error:\n\n%s</pre>" % self._get_traceback()
+ responseClass = is404 and httpwrappers.HttpResponseNotFound or httpwrappers.HttpResponseServerError
+ return responseClass(error_string)
+
+ def _get_traceback(self):
+ "Helper function to return the traceback as a string"
+ import sys, traceback
+ return '\n'.join(traceback.format_exception(*sys.exc_info()))
+
+def populate_apache_request(http_response, mod_python_req):
+ "Populates the mod_python request object with an HttpResponse"
+ mod_python_req.content_type = http_response['Content-Type'] or httpwrappers.DEFAULT_MIME_TYPE
+ del http_response['Content-Type']
+ if http_response.cookies:
+ mod_python_req.headers_out['Set-Cookie'] = http_response.cookies.output(header='')
+ for key, value in http_response.headers.items():
+ mod_python_req.headers_out[key] = value
+ mod_python_req.status = http_response.status_code
+ mod_python_req.write(http_response.get_content_as_string('utf-8'))
+
+def handler(req):
+ # mod_python hooks into this function.
+ return ModPythonHandler()(req)
View
242 django/core/handlers/wsgi.py
@@ -0,0 +1,242 @@
+from django.utils import datastructures, httpwrappers
+from pprint import pformat
+
+class WSGIRequest(httpwrappers.HttpRequest):
+ def __init__(self, environ):
+ self.environ = environ
+ self.path = environ['PATH_INFO']
+ self.META = environ
+
+ def __repr__(self):
+ from pprint import pformat
+ return '<DjangoRequest\nGET:%s,\nPOST:%s,\nCOOKIES:%s,\nMETA:%s>' % \
+ (pformat(self.GET), pformat(self.POST), pformat(self.COOKIES),
+ pformat(self.META))
+
+ def get_full_path(self):
+ return '%s%s' % (self.path, self.environ['QUERY_STRING'] and ('?' + self.environ['QUERY_STRING']) or '')
+
+ def _load_post_and_files(self):
+ # Populates self._post and self._files
+ if self.environ['REQUEST_METHOD'] == 'POST':
+ post_data = self.environ['wsgi.input'].read(int(self.environ["CONTENT_LENGTH"]))
+ if self.environ.get('CONTENT_TYPE', '').startswith('multipart'):
+ header_dict = dict([(k, v) for k, v in self.environ.items() if k.startswith('HTTP_')])
+ self._post, self._files = httpwrappers.parse_file_upload(header_dict, post_data)
+ else:
+ self._post, self._files = httpwrappers.QueryDict(post_data), datastructures.MultiValueDict()
+ else:
+ self._post, self._files = httpwrappers.QueryDict(''), datastructures.MultiValueDict()
+
+ def _get_request(self):
+ if not hasattr(self, '_request'):
+ self._request = datastructures.MergeDict(self.POST, self.GET)
+ return self._request
+
+ def _get_get(self):
+ if not hasattr(self, '_get'):
+ self._get = httpwrappers.QueryDict(self.environ['QUERY_STRING'])
+ return self._get
+
+ def _set_get(self, get):
+ self._get = get
+
+ def _get_post(self):
+ if not hasattr(self, '_post'):
+ self._load_post_and_files()
+ return self._post
+
+ def _set_post(self, post):
+ self._post = post
+
+ def _get_cookies(self):
+ if not hasattr(self, '_cookies'):
+ self._cookies = httpwrappers.parse_cookie(self.environ.get('HTTP_COOKIE', ''))
+ return self._cookies
+
+ def _set_cookies(self, cookies):
+ self._cookies = cookies
+
+ def _get_files(self):
+ if not hasattr(self, '_files'):
+ self._load_post_and_files()
+ return self._files
+
+ def _load_session_and_user(self):
+ from django.models.auth import sessions
+ from django.conf.settings import AUTH_SESSION_COOKIE
+ session_cookie = self.COOKIES.get(AUTH_SESSION_COOKIE, '')
+ try:
+ self._session = sessions.get_session_from_cookie(session_cookie)
+ self._user = self._session.get_user()
+ except sessions.SessionDoesNotExist:
+ from django.parts.auth import anonymoususers
+ self._session = None
+ self._user = anonymoususers.AnonymousUser()
+
+ def _get_session(self):
+ if not hasattr(self, '_session'):
+ self._load_session_and_user()
+ return self._session
+
+ def _set_session(self, session):
+ self._session = session
+
+ def _get_user(self):
+ if not hasattr(self, '_user'):
+ self._load_session_and_user()
+ return self._user
+
+ def _set_user(self, user):
+ self._user = user
+
+ GET = property(_get_get, _set_get)
+ POST = property(_get_post, _set_post)
+ COOKIES = property(_get_cookies, _set_cookies)
+ FILES = property(_get_files)
+ REQUEST = property(_get_request)
+ session = property(_get_session, _set_session)
+ user = property(_get_user, _set_user)
+
+class WSGIHandler:
+ def __init__(self):
+ self._request_middleware = self._view_middleware = self._response_middleware = None
+
+ def __call__(self, environ, start_response):
+ from django.conf import settings
+ from django.core import db
+
+ # Set up middleware if needed. We couldn't do this earlier, because
+ # settings weren't available.
+ if self._request_middleware is None:
+ self.load_middleware()
+
+ try:
+ request = WSGIRequest(environ)
+ response = self.get_response(request.path, request)
+ finally:
+ db.db.close()
+
+ # Apply response middleware
+ for middleware_method in self._response_middleware:
+ response = middleware_method(request, response)
+
+ status = str(response.status_code) + ' ' # TODO: Extra space here is a hack.
+ response_headers = response.headers
+ if response.cookies:
+ response_headers['Set-Cookie'] = response.cookies.output(header='')
+ output = [response.get_content_as_string('utf-8')]
+ start_response(status, response_headers.items())
+ return output
+
+ def load_middleware(self):
+ """
+ Populate middleware lists from settings.MIDDLEWARE_CLASSES.
+
+ Must be called after the environment is fixed (see __call__).
+ """
+ from django.conf import settings
+ from django.core import exceptions
+ self._request_middleware = []
+ self._view_middleware = []
+ self._response_middleware = []
+ for middleware_path in settings.MIDDLEWARE_CLASSES:
+ dot = middleware_path.rindex('.')
+ mw_module, mw_classname = middleware_path[:dot], middleware_path[dot+1:]
+ try:
+ mod = __import__(mw_module, '', '', [''])
+ except ImportError, e:
+ raise exceptions.ImproperlyConfigured, \
+ 'Error importing middleware %s: "%s"' % (mw_module, e)
+ try:
+ mw_class = getattr(mod, mw_classname)
+ except AttributeError:
+ raise exceptions.ImproperlyConfigured, \
+ 'Middleware module "%s" does not define a "%s" class' % (mw_module, mw_classname)
+
+ try:
+ mw_instance = mw_class()
+ except exceptions.MiddlewareNotUsed:
+ continue
+
+ if hasattr(mw_instance, 'process_request'):
+ self._request_middleware.append(mw_instance.process_request)
+ if hasattr(mw_instance, 'process_view'):
+ self._view_middleware.append(mw_instance.process_view)
+ if hasattr(mw_instance, 'process_response'):
+ self._response_middleware.insert(0, mw_instance.process_response)
+
+ def get_response(self, path, request):
+ "Returns an HttpResponse object for the given HttpRequest"
+ from django.core import db, exceptions, urlresolvers
+ from django.core.mail import mail_admins
+ from django.conf.settings import DEBUG, INTERNAL_IPS, ROOT_URLCONF
+
+ # Apply request middleware
+ for middleware_method in self._request_middleware:
+ response = middleware_method(request)
+ if response:
+ return response
+
+ conf_module = __import__(ROOT_URLCONF, '', '', [''])
+ resolver = urlresolvers.RegexURLResolver(conf_module.urlpatterns)
+ try:
+ callback, param_dict = resolver.resolve(path)
+ # Apply view middleware
+ for middleware_method in self._view_middleware:
+ response = middleware_method(request, callback, param_dict)
+ if response:
+ return response
+ return callback(request, **param_dict)
+ except exceptions.Http404:
+ if DEBUG:
+ return self.get_technical_error_response(is404=True)
+ else:
+ resolver = urlresolvers.Error404Resolver(conf_module.handler404)
+ callback, param_dict = resolver.resolve()
+ return callback(request, **param_dict)
+ except db.DatabaseError:
+ db.db.rollback()
+ if DEBUG:
+ return self.get_technical_error_response()
+ else:
+ subject = 'Database error (%s IP)' % \
+ (request.META['REMOTE_ADDR'] in INTERNAL_IPS and 'internal' or 'EXTERNAL')
+ message = "%s\n\n%s" % (self._get_traceback(), request)
+ mail_admins(subject, message, fail_silently=True)
+ return self.get_friendly_error_response(request, conf_module)
+ except exceptions.PermissionDenied:
+ return httpwrappers.HttpResponseForbidden('<h1>Permission denied</h1>')
+ except: # Handle everything else, including SuspiciousOperation, etc.
+ if DEBUG:
+ return self.get_technical_error_response()
+ else:
+ subject = 'Coding error (%s IP)' % \
+ (request.META['REMOTE_ADDR'] in INTERNAL_IPS and 'internal' or 'EXTERNAL')
+ message = "%s\n\n%s" % (self._get_traceback(), request)
+ mail_admins(subject, message, fail_silently=True)
+ return self.get_friendly_error_response(request, conf_module)
+
+ def get_friendly_error_response(self, request, conf_module):
+ """
+ Returns an HttpResponse that displays a PUBLIC error message for a
+ fundamental database or coding error.
+ """
+ from django.core import urlresolvers
+ resolver = urlresolvers.Error404Resolver(conf_module.handler500)
+ callback, param_dict = resolver.resolve()
+ return callback(request, **param_dict)
+
+ def get_technical_error_response(self, is404=False):
+ """
+ Returns an HttpResponse that displays a TECHNICAL error message for a
+ fundamental database or coding error.
+ """
+ error_string = "<pre>There's been an error:\n\n%s</pre>" % self._get_traceback()
+ responseClass = is404 and httpwrappers.HttpResponseNotFound or httpwrappers.HttpResponseServerError
+ return responseClass(error_string)
+
+ def _get_traceback(self):
+ "Helper function to return the traceback as a string"
+ import sys, traceback
+ return '\n'.join(traceback.format_exception(*sys.exc_info()))
View
129 django/utils/httpwrappers.py
@@ -24,124 +24,6 @@ def __getitem__(self, key):
def get_full_path(self):
return ''
-class ModPythonRequest(HttpRequest):
- def __init__(self, req):
- self._req = req
- self.path = req.uri
-
- def __repr__(self):
- return '<ModPythonRequest\npath:%s,\nGET:%s,\nPOST:%s,\nCOOKIES:%s,\nMETA:%s,\nuser:%s>' % \
- (self.path, pformat(self.GET), pformat(self.POST), pformat(self.COOKIES),
- pformat(self.META), pformat(self.user))
-
- def get_full_path(self):
- return '%s%s' % (self.path, self._req.args and ('?' + self._req.args) or '')
-
- def _load_post_and_files(self):
- "Populates self._post and self._files"
- if self._req.headers_in.has_key('content-type') and self._req.headers_in['content-type'].startswith('multipart'):
- self._post, self._files = parse_file_upload(self._req.headers_in, self._req.read())
- else:
- self._post, self._files = QueryDict(self._req.read()), datastructures.MultiValueDict()
-
- def _get_request(self):
- if not hasattr(self, '_request'):
- self._request = datastructures.MergeDict(self.POST, self.GET)
- return self._request
-
- def _get_get(self):
- if not hasattr(self, '_get'):
- self._get = QueryDict(self._req.args)
- return self._get
-
- def _set_get(self, get):
- self._get = get
-
- def _get_post(self):
- if not hasattr(self, '_post'):
- self._load_post_and_files()
- return self._post
-
- def _set_post(self, post):
- self._post = post
-
- def _get_cookies(self):
- if not hasattr(self, '_cookies'):
- self._cookies = parse_cookie(self._req.headers_in.get('cookie', ''))
- return self._cookies
-
- def _set_cookies(self, cookies):
- self._cookies = cookies
-
- def _get_files(self):
- if not hasattr(self, '_files'):
- self._load_post_and_files()
- return self._files
-
- def _get_meta(self):
- "Lazy loader that returns self.META dictionary"
- if not hasattr(self, '_meta'):
- self._meta = {
- 'AUTH_TYPE': self._req.ap_auth_type,
- 'CONTENT_LENGTH': self._req.clength, # This may be wrong
- 'CONTENT_TYPE': self._req.content_type, # This may be wrong
- 'GATEWAY_INTERFACE': 'CGI/1.1',
- 'PATH_INFO': self._req.path_info,
- 'PATH_TRANSLATED': None, # Not supported
- 'QUERY_STRING': self._req.args,
- 'REMOTE_ADDR': self._req.connection.remote_ip,
- 'REMOTE_HOST': None, # DNS lookups not supported
- 'REMOTE_IDENT': self._req.connection.remote_logname,
- 'REMOTE_USER': self._req.user,
- 'REQUEST_METHOD': self._req.method,
- 'SCRIPT_NAME': None, # Not supported
- 'SERVER_NAME': self._req.server.server_hostname,
- 'SERVER_PORT': self._req.server.port,
- 'SERVER_PROTOCOL': self._req.protocol,
- 'SERVER_SOFTWARE': 'mod_python'
- }
- for key, value in self._req.headers_in.items():
- key = 'HTTP_' + key.upper().replace('-', '_')
- self._meta[key] = value
- return self._meta
-
- def _load_session_and_user(self):
- from django.models.auth import sessions
- from django.conf.settings import AUTH_SESSION_COOKIE
- session_cookie = self.COOKIES.get(AUTH_SESSION_COOKIE, '')
- try:
- self._session = sessions.get_session_from_cookie(session_cookie)
- self._user = self._session.get_user()
- except sessions.SessionDoesNotExist:
- from django.parts.auth import anonymoususers
- self._session = None
- self._user = anonymoususers.AnonymousUser()
-
- def _get_session(self):
- if not hasattr(self, '_session'):
- self._load_session_and_user()
- return self._session
-
- def _set_session(self, session):
- self._session = session
-
- def _get_user(self):
- if not hasattr(self, '_user'):
- self._load_session_and_user()
- return self._user
-
- def _set_user(self, user):
- self._user = user
-
- GET = property(_get_get, _set_get)
- POST = property(_get_post, _set_post)
- COOKIES = property(_get_cookies, _set_cookies)
- FILES = property(_get_files)
- META = property(_get_meta)
- REQUEST = property(_get_request)
- session = property(_get_session, _set_session)
- user = property(_get_user, _set_user)
-
def parse_file_upload(header_dict, post_data):
"Returns a tuple of (POST MultiValueDict, FILES MultiValueDict)"
import email, email.Message
@@ -336,14 +218,3 @@ class HttpResponseServerError(HttpResponse):
def __init__(self, content='', mimetype=DEFAULT_MIME_TYPE):
HttpResponse.__init__(self, content, mimetype)
self.status_code = 500
-
-def populate_apache_request(http_response, mod_python_req):
- "Populates the mod_python request object with an HttpResponse"
- mod_python_req.content_type = http_response['Content-Type'] or DEFAULT_MIME_TYPE
- del http_response['Content-Type']
- if http_response.cookies:
- mod_python_req.headers_out['Set-Cookie'] = http_response.cookies.output(header='')
- for key, value in http_response.headers.items():
- mod_python_req.headers_out[key] = value
- mod_python_req.status = http_response.status_code
- mod_python_req.write(http_response.get_content_as_string('utf-8'))
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