76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
import urllib
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from urlparse import urlparse
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from django.conf import settings
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from django.core.exceptions import ImproperlyConfigured
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from django.core.handlers.wsgi import WSGIHandler
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from django.contrib.staticfiles import utils
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from django.contrib.staticfiles.views import serve
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class StaticFilesHandler(WSGIHandler):
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"""
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WSGI middleware that intercepts calls to the static files directory, as
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defined by the STATIC_URL setting, and serves those files.
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"""
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def __init__(self, application, base_dir=None):
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self.application = application
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if base_dir:
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self.base_dir = base_dir
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else:
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self.base_dir = self.get_base_dir()
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self.base_url = urlparse(self.get_base_url())
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super(StaticFilesHandler, self).__init__()
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def get_base_dir(self):
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return settings.STATIC_ROOT
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def get_base_url(self):
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if not settings.STATIC_URL:
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raise ImproperlyConfigured("You're using the staticfiles app "
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"without having set the STATIC_URL setting. Set it to "
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"URL that handles the files served from STATIC_ROOT.")
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if settings.DEBUG:
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utils.check_settings()
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return settings.STATIC_URL
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def _should_handle(self, path):
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"""
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Checks if the path should be handled. Ignores the path if:
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* the host is provided as part of the base_url
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* the request's path isn't under the media path (or equal)
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"""
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return (self.base_url[2] != path and
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path.startswith(self.base_url[2]) and not self.base_url[1])
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def file_path(self, url):
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"""
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Returns the relative path to the media file on disk for the given URL.
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"""
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relative_url = url[len(self.base_url[2]):]
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return urllib.url2pathname(relative_url)
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def serve(self, request):
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"""
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Actually serves the request path.
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"""
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return serve(request, self.file_path(request.path), insecure=True)
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def get_response(self, request):
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from django.http import Http404
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if self._should_handle(request.path):
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try:
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return self.serve(request)
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except Http404, e:
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if settings.DEBUG:
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from django.views import debug
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return debug.technical_404_response(request, e)
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return super(StaticFilesHandler, self).get_response(request)
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def __call__(self, environ, start_response):
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if not self._should_handle(environ['PATH_INFO']):
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return self.application(environ, start_response)
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return super(StaticFilesHandler, self).__call__(environ, start_response)
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