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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(f"None not permitted in {primary_type!r}, {sub_type!r}")
self.type = primary_type
self.subtype = sub_type
self.parameters = parameters or {}
def __eq__(self, other):
if type(other) is not ContentType:
return False
return self.__dict__ == other.__dict__
def __repr__(self):
if self.parameters:
params = "; "
params += "; ".join(
sorted(f'{k}="{v}"' for k, v in self.parameters.items())
)
else:
params = ""
return f"{self.type}/{self.subtype}{params}"
JSON = ContentType("application", "json")
UTF8_TEXT = ContentType("text", "plain", {"charset": "utf8"})
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