Mercurial > hg > contenttransformer

annotate contenttransformer/app.py @ 9:051d4d39b4b9

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* separate out get_response to its own function * keep track of raw content_type for later usage (muahaha)
author k0s <k0scist@gmail.com>
date Sun, 07 Feb 2010 19:03:15 -0500
parents 5258325a496a
children a9ddcfc7c4e8
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29805d442afc initial commit of contenttransformer; still in the stub stage
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1 import os
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2 import sys
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3 from fnmatch import fnmatch
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4 from mimetypes import guess_type
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5 from paste.fileapp import FileApp
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6 from pkg_resources import iter_entry_points
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8 class FileTypeTransformer(object):
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10 def __init__(self, *types, **kwargs):
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11 """types is a list of two-tuples: glob pattern (string), transformer name (string, name of entry point)"""
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12 self.types = types
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aa491070ccf3 now works, just doesnt do anything, i dont think
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aa491070ccf3 now works, just doesnt do anything, i dont think
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14 # intended to be arguments to the xformers
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15 # XXX unused
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16 self.kwargs = kwargs
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18 self.transformers = transformers()
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19 for pattern, transformer_name in self.types:
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20 assert transformer_name in self.transformers
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22 def __call__(self, path):
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23 """this should return something that is callable with (environ, start_response) to return a response; the transformer thing"""
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24 filename = os.path.basename(path)
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25 for pattern, transformer_name in self.types:
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26 if fnmatch(filename, pattern):
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27 content_type, _ = guess_type(filename)
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28 content = file(path).read()
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29 return self.transformers[transformer_name](content, content_type)
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30 return FileApp(path)
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33 def transformers():
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34 transformers = {} # XXX could cache
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35 for entry_point in iter_entry_points('content_transformers'):
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36 try:
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37 transformers[entry_point.name] = entry_point.load()
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38 except:
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39 raise # XXX
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40 return transformers
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