Table of Contents
Defaultsanic.helpershas_message_bodysanic.helpersimport_stringsanic.helpersis_attysanic.helpersis_entity_headersanic.helpersis_hop_by_hop_headersanic.helpersremove_entity_headerssanic.helperssanic.helpers.Default#
It is used to replace None or object() as a sentinel
class Default()
that represents a default value. Sometimes we want to set
a value to None so we cannot use None to represent the
default value, and object() is hard to be typed.
sanic.helpers.has_message_body#
According to the following RFC message body and length SHOULD NOT
def has_message_body(status)
be included in responses status 1XX, 204 and 304. https://tools.ietf.org/html/rfc2616#section-4.4 https://tools.ietf.org/html/rfc2616#section-4.3
sanic.helpers.import_string#
import a module or class by string path.
def import_string(module_name, package = None)
sanic.helpers.is_atty#
def is_atty(): -> <class 'bool'>
sanic.helpers.is_entity_header#
Checks if the given header is an Entity Header
def is_entity_header(header)
sanic.helpers.is_hop_by_hop_header#
Checks if the given header is a Hop By Hop header
def is_hop_by_hop_header(header)
sanic.helpers.remove_entity_headers#
Removes all the entity headers present in the headers given.
def remove_entity_headers(headers, allowed = ('content-location', 'expires'))
According to RFC 2616 Section 10.3.5, Content-Location and Expires are allowed as for the "strong cache validator". https://tools.ietf.org/html/rfc2616#section-10.3.5
returns the headers without the entity headers