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# Copyright (c) 2009-2012 testtools developers. See LICENSE for details.
"""ContentType - a MIME Content Type."""
class ContentType:
"""A content type from http://www.iana.org/assignments/media-types/
:ivar type: The primary type, e.g. "text" or "application"
:ivar subtype: The subtype, e.g. "plain" or "octet-stream"
:ivar parameters: A dict of additional parameters specific to the
content type.
"""
def __init__(self, primary_type, sub_type, parameters=None):
"""Create a ContentType."""
if None in (primary_type, sub_type):
raise ValueError("None not permitted in {!r}, {!r}".format(
primary_type, sub_type))
self.type = primary_type
self.subtype = sub_type
self.parameters = parameters or {}
def __eq__(self, other):
if type(other) != ContentType:
return False
return self.__dict__ == other.__dict__
def __repr__(self):
if self.parameters:
params = '; '
params += '; '.join(
sorted('{}="{}"'.format(k, v) for k, v in self.parameters.items()))
else:
params = ''
return "{}/{}{}".format(self.type, self.subtype, params)
JSON = ContentType('application', 'json')
UTF8_TEXT = ContentType('text', 'plain', {'charset': 'utf8'})
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