Mercurial > hg > contenttransformer

annotate contenttransformer/app.py @ 4:5258325a496a

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move transformers getting method to a standalone function
author k0s <k0scist@gmail.com>
date Sun, 17 Jan 2010 19:47:32 -0500
parents aa491070ccf3
children 051d4d39b4b9
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29805d442afc initial commit of contenttransformer; still in the stub stage
k0s <k0scist@gmail.com>
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1 import os
29805d442afc initial commit of contenttransformer; still in the stub stage
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2 import sys
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3 from fnmatch import fnmatch
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4 from paste.fileapp import FileApp
29805d442afc initial commit of contenttransformer; still in the stub stage
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5 from pkg_resources import iter_entry_points
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29805d442afc initial commit of contenttransformer; still in the stub stage
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7 class FileTypeTransformer(object):
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9 def __init__(self, *types, **kwargs):
29805d442afc initial commit of contenttransformer; still in the stub stage
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10 """types is a list of two-tuples: glob pattern (string), transformer name (string, name of entry point)"""
29805d442afc initial commit of contenttransformer; still in the stub stage
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11 self.types = types
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aa491070ccf3 now works, just doesnt do anything, i dont think
k0s <k0scist@gmail.com>
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12
aa491070ccf3 now works, just doesnt do anything, i dont think
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13 # intended to be arguments to the xformers
aa491070ccf3 now works, just doesnt do anything, i dont think
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14 # XXX unused
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15 self.kwargs = kwargs
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5258325a496a move transformers getting method to a standalone function
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17 self.transformers = transformers()
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29805d442afc initial commit of contenttransformer; still in the stub stage
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18 for pattern, transformer_name in self.types:
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19 assert transformer_name in self.transformers
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20
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21 def __call__(self, path):
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29805d442afc initial commit of contenttransformer; still in the stub stage
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22 """this should return something that is callable with (environ, start_response) to return a response; the transformer thing"""
29805d442afc initial commit of contenttransformer; still in the stub stage
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23 filename = os.path.basename(path)
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24 for pattern, transformer_name in self.types:
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25 if fnmatch(filename, pattern):
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26 content = file(path).read()
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27 return self.transformers[transformer_name](content)
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28 return FileApp(path)
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31 def transformers():
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32 transformers = {} # XXX could cache
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33 for entry_point in iter_entry_points('content_transformers'):
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k0s <k0scist@gmail.com>
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34 try:
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35 transformers[entry_point.name] = entry_point.load()
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36 except:
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37 raise # XXX
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38 return transformers
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