github/sprockets.mixins.mediatype
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Make content-type parameter to add_transcoder optional.

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This commit is contained in:
Dave Shawley 2016-02-01 10:06:46 -05:00
parent 36a916a557
commit ee28d54036
3 changed files with 15 additions and 13 deletions
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3
README.rst
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@ -52,8 +52,7 @@ types:
# insert your handlers here
])
content.add_transcoder(application, transcoders.JSONTranscoder(),
'application/json')
content.add_transcoder(application, transcoders.JSONTranscoder())
return application

6
examples.py
View file

@ -18,10 +18,8 @@ def make_application(**settings):
application = web.Application([web.url(r'/', SimpleHandler)], **settings)
content.set_default_content_type(application, 'application/json',
encoding='utf-8')
content.add_transcoder(application, transcoders.MsgPackTranscoder(),
content_type='application/msgpack')
content.add_transcoder(application, transcoders.JSONTranscoder(),
content_type='application/json')
content.add_transcoder(application, transcoders.MsgPackTranscoder())
content.add_transcoder(application, transcoders.JSONTranscoder())
return application

19
sprockets/mixins/mediatype/content.py
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@ -132,8 +132,7 @@ def add_binary_content_type(application, content_type, pack, unpack):
"""
add_transcoder(application,
handlers.BinaryContentHandler(content_type, pack, unpack),
content_type)
handlers.BinaryContentHandler(content_type, pack, unpack))
def add_text_content_type(application, content_type, default_encoding,
@ -158,22 +157,28 @@ def add_text_content_type(application, content_type, default_encoding,
normalized = str(parsed)
add_transcoder(application,
handlers.TextContentHandler(normalized, dumps, loads,
default_encoding),
normalized)
default_encoding))
def add_transcoder(application, transcoder, content_type):
def add_transcoder(application, transcoder, content_type=None):
"""
Register a transcoder for a specific content type.
:param tornado.web.Application application: the application to modify
:param transcoder: object that translates between :class:`bytes` and
:class:`object` instances
:param str content_type: the content type to add
:param str content_type: the content type to add. If this is
unspecified or :data:`None`, then the transcoder's ``content_type``
attribute is used.
The `transcoder` instance is required to implement the following
simple protocol:
.. attribute:: transcoder.content_type
:class:`str` that identifies the MIME type that the transcoder
implements.
.. method:: transcoder.to_bytes(inst_data, encoding=None) -> bytes
:param object inst_data: the object to encode
@ -188,7 +193,7 @@ def add_transcoder(application, transcoder, content_type):
"""
settings = ContentSettings.from_application(application)
settings[content_type] = transcoder
settings[content_type or transcoder.content_type] = transcoder
def set_default_content_type(application, content_type, encoding=None):