def respond(self, request):
"""Serve a static file off of the filesystem.
In staging and deployment modes, we honor any 'If-Modified-Since'
header, an HTTP header used for caching.
"""
fs_path = self.translate(request.path)
fs_path = self.validate(request.path, fs_path)
fs_path = self.find_default(fs_path)
ims = request.headers.get('If-Modified-Since', '')
# Get basic info from the filesystem and start building a response.
# =================================================================
stats = os.stat(fs_path)
mtime = stats[stat.ST_MTIME]
size = stats[stat.ST_SIZE]
content_type = mimetypes.guess_type(fs_path)[0] or 'text/plain'
response = Response(200)
# Support 304s, but only in deployment mode.
# ==========================================
if mode.IS_DEPLOYMENT or mode.IS_STAGING:
if ims:
mod_since = rfc822.parsedate(ims)
last_modified = time.gmtime(mtime)
if last_modified[:6] <= mod_since[:6]:
response.code = 304
# Finish building the response and return it.
# ===========================================
response.headers['Last-Modified'] = rfc822.formatdate(mtime)
response.headers['Content-Type'] = content_type
response.headers['Content-Length'] = size
if response.code != 304:
response.body = open(fs_path).read()
return response
def respond(self, request):
response = Response(200, "Greetings, program!")
response.code = "wheee!"
raise response
