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annotate roundup/cgi/engine_jinja2.py @ 8408:e882a5d52ae5

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refactor: move RateLimitExceeded to roundup.cgi.exceptions RateLimitExceeded is an HTTP exception that raises code 429. Move it to roundup.cgi.exceptions where all the other exceptions that result in http status codes are located. Also make it inherit from HTTPException since it is one. Also add docstrings for all HTTP exceptions and order HTTPExceptions by status code. BREAKING CHANGE: if somebody is importing RateLimitExceeded they will need to change their import. I consider it unlikely anybody is using RateLimitExceeded. Detectors and extensions are unlikely to raise RateLimitExceeded. So I am leaving it out of the upgrading doc. Just doc in change log.
author John Rouillard <rouilj@ieee.org>
date Sun, 10 Aug 2025 21:27:06 -0400
parents b8e63e65d9a8
children 9c3ec0a5c7fc
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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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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
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26 [ ] precompile() is a stub
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28 [ ] add {{ debug() }} dumper to inspect available variables
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29 https://github.com/mitsuhiko/jinja2/issues/174
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30 """
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31
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32 from __future__ import print_function
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33 import jinja2
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34 import mimetypes
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35 import sys
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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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40 from roundup.anypy.strings import s2u
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43 class Jinja2Loader(LoaderBase):
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44 def __init__(self, template_dir):
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45 self._env = jinja2.Environment(
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46 loader=jinja2.FileSystemLoader(template_dir),
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47 extensions=['jinja2.ext.i18n'],
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48 autoescape=True
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49 )
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51 # Adding a custom filter that can transform roundup's vars to unicode
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52 # This is necessary because jinja2 can only deal with unicode objects
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53 # and roundup uses utf-8 for the internal representation.
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54 # The automatic conversion will assume 'ascii' and fail sometime.
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55 # Analysed with roundup 1.5.0 and jinja 2.7.1. See issue2550811.
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56 self._env.filters["u"] = s2u
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57
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58 def _find(self, tplname):
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59 for extension in ('', '.html', '.xml'):
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60 try:
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61 filename = tplname + extension
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62 return self._env.get_template(filename)
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63 except jinja2.TemplateNotFound:
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64 continue
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65
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66 return None
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67
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68 def check(self, tplname):
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69 return bool(self._find(tplname))
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71 def load(self, tplname):
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72 tpl = self._find(tplname)
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73 pt = Jinja2ProxyPageTemplate(tpl)
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74 pt.content_type = mimetypes.guess_type(tpl.filename)[0] or 'text/html'
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75 return pt
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76
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77 def precompile(self):
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78 pass
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81 class Jinja2ProxyPageTemplate(TemplateBase):
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82 def __init__(self, template):
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83 self._tpl = template
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84
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85 def render(self, client, classname, request, **options):
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86 # [ ] limit the information passed to the minimal necessary set
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87 c = context(client, self, classname, request)
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88
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89 c.update({'options': options,
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90 'gettext': lambda s: s2u(client.gettext(s)),
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91 'ngettext': lambda s, p, n: s2u(client.ngettext(s, p, n))})
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92 s = self._tpl.render(c)
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93 return s if sys.version_info[0] > 2 else \
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94 s.encode(client.STORAGE_CHARSET, )
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96 def __getitem__(self, name):
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97 # [ ] figure out what are these for
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98 raise NotImplementedError
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99 # return self._pt[name]
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100
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101 def __getattr__(self, name):
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102 # [ ] figure out what are these for
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103 raise NotImplementedError
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104 # return getattr(self._pt, name)
Roundup Issue Tracker: http://roundup-tracker.org/