def set_cookie(self, key, value, path="/", **params):
"""domain=None, path='/',
expires=None, max_age=None, secure=None,
httponly=None, comment=None, version=None
"""
expires = params.get("expires")
if expires:
params["expires"] = utc_time(expires)
max_age = params.get("max_age")
if max_age and isinstance(max_age, datetime.timedelta):
params["max_age"] = timedelta_to_seconds(max_age)
cookie = SimpleCookie({key: value})
cookie[key]["path"] = path
for option, v in params.items():
cookie[key][option.replace("_", "-")] = v
self.headers.parse_header_line(cookie.output())
def static_file(name, path, request):
""" Make a static file response.
Parameters:
- name: file name of static file.
- path: absolute static directory path.
- request: a `Request` object.
## This cool function is inspired by `bottle.static_file` then add a
async read and write support
"""
file_path = abspath(join(path, name.strip('/\\')))
if not os.path.exists(file_path) or not os.path.isfile(file_path):
raise HTTPError(404, 'File does not exist.')
if not os.access(file_path, os.R_OK):
raise HTTPError(403, 'You do not have permission to access this file.')
headers = {}
mimetype, encoding = mimetypes.guess_type(file_path)
if mimetype:
headers['Content-Type'] = mimetype
else:
headers['Content-Type'] = 'application/octet-stream'
headers['Content-Disposition'] = 'attachment; filename="%s"' % name
if encoding:
headers['Content-Encoding'] = encoding
stats = os.stat(file_path)
headers['Content-Length'] = stats.st_size
headers['Last-Modified'] = utc_time(stats.st_mtime)
ims = request.if_modify_since
if ims is not None and ims >= int(stats.st_mtime):
response = Response(headers=headers, status=304)
else:
body = ''
if request.method != 'HEAD':
loop = request.event_loop
with open(file_path, 'rb') as file:
body = yield from AsyncFile(loop=loop, file=file).read()
response = Response(body, headers)
return response