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annotate roundup/cgi/engine_chameleon.py @ 6458:8f1b91756457

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issue2551147 - Enable compression of http responses in roundup. gzip, (brotli/zstd with optional packages) on the fly compression/content-encoding enabled by default. Can serve pre-compressed static assets as well if the client can accept it. Docs updated. Also added example nginx config to installation.txt. The config allows nginx to compress data on the fly. If the config is used, dynamic compression in roundup can be disabled. Dedicating this checkin to my father Paul Hector Rouillard 1930-2021. I did much of the development in this changeset while sitting with him as he slept/transitioned. Without his encouragement and example, my desire to learn would not be what it is and I wouldn't be half the person I am.
author John Rouillard <rouilj@ieee.org>
date Sat, 24 Jul 2021 16:31:36 -0400
parents 4d20d8251bf2
children b8e63e65d9a8
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1 """Templating engine adapter for the Chameleon."""
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2
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3 __docformat__ = 'restructuredtext'
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5 import chameleon
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7 from roundup.cgi.templating import context, TALLoaderBase
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8 from roundup.anypy.strings import s2u
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11 class Loader(TALLoaderBase):
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12 def __init__(self, dir):
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13 self.dir = dir
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14 self.loader = chameleon.PageTemplateLoader(dir)
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16 def load(self, tplname):
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17 src, filename = self._find(tplname)
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18 return RoundupPageTemplate(self.loader.load(src))
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21 class RoundupPageTemplate(object):
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22 def __init__(self, pt):
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23 self._pt = pt
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25 def render(self, client, classname, request, **options):
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26 c = context(client, self, classname, request)
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27 c.update({'options': options})
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29 def translate(msgid, domain=None, mapping=None, default=None):
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30 result = client.translator.translate(domain, msgid,
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31 mapping=mapping,
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32 default=default)
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33 return s2u(result)
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35 output = self._pt.render(None, translate, **c)
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36 return output.encode(client.charset)
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38 def __getitem__(self, name):
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39 return self._pt[name]
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41 def __getattr__(self, name):
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42 return getattr(self._pt, name)
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