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annotate roundup/cgi/engine_jinja2.py @ 5010:0428d2004a86

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Fix exception handling to be python2.5 compatible The exception handling introduced in commit hg:494d2550: Display errors containing HTML with RejectRaw (issue2550847) contained the new style of exception handling that is not compatible with python2.5. Rework these exception handlers to use the old style to maintain compatibility with python2.5
author John Kristensen <john@jerrykan.com>
date Wed, 06 Jan 2016 16:02:34 +1100
parents cf22ac054c08
children 85484d35f1a2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 """
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2 Experimental Jinja2 support for Roundup. It will become less
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3 experimental when it is completely clear what information is
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4 passed to template, and when the info is limited to the sane
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5 minimal set (to avoid Roundup state changes from template).
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7 [ ] fallback mechanizm to use multiple templating engines in
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8 parallel and aid in incremental translation from one
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9 engine to another
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10
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11 [ ] define a place for templates
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12 probably
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13 TRACKER_HOME/templates/jinja2
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14 with
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15 TRACKER_HOME/templates/INFO.txt
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16 describing how the dir was created, for example
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17 "This is a copy of 'classic' template from ..."
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18 also template fallback mechanizm for multi-engine
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19 configuration
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20 [ ] backward compatibility - if no engine is explicitly
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21 specified, use TRACKER_HOME/html directory
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22 [ ] copy TEMPLATES-INFO.txt to INFO.txt
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23 [ ] implement VERSION file in environment for auto
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24 upgrade
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25 [ ] figure out what to do with autoescaping - it is disabled
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26 by default in Jinja2
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27
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28 [ ] precompile() is a stub
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30 [ ] add {{ debug() }} dumper to inspect available variables
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31 https://github.com/mitsuhiko/jinja2/issues/174
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32 """
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33
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34 import jinja2
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35 import gettext
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37 # http://jinja.pocoo.org/docs/api/#loaders
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39 from roundup.cgi.templating import context, LoaderBase, TemplateBase
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41 class Jinja2Loader(LoaderBase):
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42 def __init__(self, dir):
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43 extensions = [
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44 'jinja2.ext.autoescape',
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45 ]
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46 print "Jinja2 templates: ", dir
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47 print "Extensions: ", extensions
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48 self._env = jinja2.Environment(
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49 loader=jinja2.FileSystemLoader(dir),
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50 extensions=extensions
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51 )
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52
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53 def check(self, tplname):
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54 #print tplname
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55 try:
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56 #print self._env.get_template(tplname + '.html')
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57 self._env.get_template(tplname + '.html')
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58 except jinja2.TemplateNotFound:
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59 return
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60 else:
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61 return True
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62
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63 def load(self, tplname):
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64 #src, filename = self.check(tplname)
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65 return Jinja2ProxyPageTemplate(self._env.get_template(tplname + '.html'))
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66
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67 def precompile(self):
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68 pass
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69
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70 class Jinja2ProxyPageTemplate(TemplateBase):
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71 def __init__(self, template):
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72 self._tpl = template
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73
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74 def render(self, client, classname, request, **options):
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75 # [ ] limit the information passed to the minimal necessary set
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76 c = context(client, self, classname, request)
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77 c.update({'options': options})
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78 return self._tpl.render(c).encode(client.charset, )
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79
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80 def __getitem__(self, name):
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81 # [ ] figure out what are these for
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82 raise NotImplemented
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83 #return self._pt[name]
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84
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85 def __getattr__(self, name):
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86 # [ ] figure out what are these for
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87 raise NotImplemented
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88 #return getattr(self._pt, name)
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