Mercurial > hg > contenttransformer

annotate contenttransformer/transformers.py @ 3:1a267297f779

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graphviz now works, giving real version
author k0s <k0scist@gmail.com>
date Thu, 14 Jan 2010 00:16:34 -0500
parents 1e2c475015d8
children 68643e72c749
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29805d442afc initial commit of contenttransformer; still in the stub stage
k0s <k0scist@gmail.com>
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1 import docutils.core
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2 import subprocess
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3 from webob import Response
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5 class Graphviz(object):
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6 def __init__(self, content):
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7 """create a Graphviz object"""
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8 process = subprocess.Popen(['dot', '-Tpng'],
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9 stdin=subprocess.PIPE,
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10 stdout=subprocess.PIPE)
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11 self.image, _ = process.communicate(content)
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13 def __call__(self, environ, start_response):
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14 """return a WSGI response"""
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15 return Response(content_type='image/png', body=self.image)(environ, start_response)
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17 class RestructuredText(object):
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18 settings = { 'report_level': 5 }
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20 def __init__(self, content):
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21 """template: genshi(?) template to use (???)"""
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22 self.html = docutils.core.publish_string(content,
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23 writer_name='html',
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24 settings_overrides=self.settings)
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25
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26 def __call__(self, environ, start_response):
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27 """return a WSGI response"""
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28 return Response(content_type='text/html', body=self.html)(environ, start_response)