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annotate sat/tools/common/template.py @ 2622:8fb99ed47db4

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author Goffi <goffi@goffi.org>
date Wed, 27 Jun 2018 07:50:35 +0200
parents 5b26033c49a8
children 56f94936df1e
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rev   line source
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 """ template generation """
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21
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22 from sat.core.constants import Const as C
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23 from sat.core.i18n import _
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24 from sat.core import exceptions
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25 from sat.tools.common import date_utils
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26 from sat.core.log import getLogger
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27 log = getLogger(__name__)
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28 import os.path
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29 from xml.sax.saxutils import quoteattr
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30 import time
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31 import re
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32 from babel import support
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33 from babel import Locale
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34 from babel.core import UnknownLocaleError
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35 import pygments
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36 from pygments import lexers
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37 from pygments import formatters
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38 try:
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39 import sat_templates
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40 except ImportError:
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41 raise exceptions.MissingModule(u'sat_templates module is not available, please install it or check your path to use template engine')
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42 else:
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43 sat_templates # to avoid pyflakes warning
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44
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45 try:
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46 import jinja2
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47 except:
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48 raise exceptions.MissingModule(u'Missing module jinja2, please install it from http://jinja.pocoo.org or with pip install jinja2')
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49
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50 from jinja2 import Markup as safe
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51 from jinja2 import is_undefined
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52 from lxml import etree
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53
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54 HTML_EXT = ('html', 'xhtml')
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55 RE_ATTR_ESCAPE = re.compile(r'[^a-z_-]')
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56 # TODO: handle external path (an additional search path for templates should be settable by user
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57 # TODO: handle absolute URL (should be used for trusted use cases) only (e.g. jp) for security reason
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58
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59
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60 class TemplateLoader(jinja2.FileSystemLoader):
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61
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62 def __init__(self):
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63 searchpath = os.path.dirname(sat_templates.__file__)
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64 super(TemplateLoader, self).__init__(searchpath, followlinks=True)
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65
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66 def parse_template(self, template):
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67 """parse template path and return theme and relative URL
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68
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69 @param template_path(unicode): path to template with parenthesis syntax
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70 @return (tuple[(unicode,None),unicode]): theme and template_path
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71 theme can be None if relative path is used
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72 relative path is the path from search path with theme specified
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73 e.g. default/blog/articles.html
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74 """
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75 if template.startswith(u'('):
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76 try:
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77 theme_end = template.index(u')')
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78 except IndexError:
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79 raise ValueError(u"incorrect theme in template")
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80 theme = template[1:theme_end]
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81 template = template[theme_end+1:]
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82 if not template or template.startswith(u'/'):
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83 raise ValueError(u"incorrect path after template name")
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84 template = os.path.join(theme, template)
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85 elif template.startswith(u'/'):
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86 # absolute path means no template
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87 theme = None
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88 raise NotImplementedError(u'absolute path is not implemented yet')
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89 else:
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90 theme = C.TEMPLATE_THEME_DEFAULT
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91 template = os.path.join(theme, template)
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92 return theme, template
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93
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94 def get_default_template(self, theme, template_path):
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95 """return default template path
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96
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97 @param theme(unicode): theme used
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98 @param template_path(unicode): path to the not found template
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99 @return (unicode, None): default path or None if there is not
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100 """
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101 ext = os.path.splitext(template_path)[1][1:]
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102 path_elems = template_path.split(u'/')
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103 if ext in HTML_EXT:
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104 if path_elems[1] == u'error':
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105 # if an inexisting error page is requested, we return base page
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106 default_path = os.path.join(theme, u'error/base.html')
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107 return default_path
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108 if theme != C.TEMPLATE_THEME_DEFAULT:
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109 # if template doesn't exists for this theme, we try with default
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110 return os.path.join(C.TEMPLATE_THEME_DEFAULT, path_elems[1:])
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111
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112 def get_source(self, environment, template):
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113 """relative path to template dir, with special theme handling
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114
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115 if the path is just relative, "default" theme is used.
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116 The theme can be specified in parenthesis just before the path
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117 e.g.: (some_theme)path/to/template.html
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118 """
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119 theme, template_path = self.parse_template(template)
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120 try:
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121 return super(TemplateLoader, self).get_source(environment, template_path)
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122 except jinja2.exceptions.TemplateNotFound as e:
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123 # in some special cases, a defaut template is returned if nothing is found
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124 if theme is not None:
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125 default_path = self.get_default_template(theme, template_path)
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126 if default_path is not None:
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127 return super(TemplateLoader, self).get_source(environment, default_path)
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128 # if no default template is found, we re-raise the error
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129 raise e
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130
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131
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132 class Indexer(object):
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133 """Index global to a page"""
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134
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135 def __init__(self):
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136 self._indexes = {}
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137
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138 def next(self, value):
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parents: 2384
diff changeset
139 if value not in self._indexes:
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parents: 2384
diff changeset
140 self._indexes[value] = 0
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Goffi <goffi@goffi.org>
parents: 2384
diff changeset
141 return 0
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parents: 2384
diff changeset
142 self._indexes[value] += 1
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parents: 2384
diff changeset
143 return self._indexes[value]
2245
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parents: 2169
diff changeset
144
2385
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parents: 2384
diff changeset
145 def current(self, value):
39d30cf722cb template: gidx methods improvment:
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parents: 2384
diff changeset
146 return self._indexes.get(value)
2245
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parents: 2169
diff changeset
147
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
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parents: 2169
diff changeset
148
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
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parents: 2169
diff changeset
149 class ScriptsHandler(object):
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parents: 2169
diff changeset
150
2265
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parents: 2249
diff changeset
151 def __init__(self, renderer, template_path, template_root_dir, root_path):
2245
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diff changeset
152 self.renderer = renderer
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parents: 2169
diff changeset
153 self.template_root_dir = template_root_dir
2265
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parents: 2249
diff changeset
154 self.root_path = root_path
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parents: 2249
diff changeset
155 self.scripts = [] # we don't use a set because order may be important
2245
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parents: 2169
diff changeset
156 dummy, self.theme, self.is_default_theme = renderer.getThemeData(template_path)
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
157
2465
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
158 def include(self, library_name, attribute='defer'):
2265
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parents: 2249
diff changeset
159 """Mark that a script need to be imported.
322694543225 tools (common/template): ScriptsHandler fix/improvments:
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parents: 2249
diff changeset
160
322694543225 tools (common/template): ScriptsHandler fix/improvments:
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parents: 2249
diff changeset
161 Must be used before base.html is extended, as <script> are generated there.
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parents: 2249
diff changeset
162 If called several time with the same library, it will be imported once.
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parents: 2249
diff changeset
163 @param library_name(unicode): name of the library to import
2465
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
164 @param loading:
2265
322694543225 tools (common/template): ScriptsHandler fix/improvments:
Goffi <goffi@goffi.org>
parents: 2249
diff changeset
165 """
2465
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
166 if attribute not in ('defer', 'async', ''):
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
167 raise exceptions.DataError(_(u'Invalid attribute, please use one of "defer", "async" or ""'))
2245
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
168 if library_name.endswith('.js'):
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
169 library_name = library_name[:-3]
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
170 if library_name not in self.scripts:
2465
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
171 self.scripts.append((library_name, attribute))
2265
322694543225 tools (common/template): ScriptsHandler fix/improvments:
Goffi <goffi@goffi.org>
parents: 2249
diff changeset
172 return u''
2245
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parents: 2169
diff changeset
173
2265
322694543225 tools (common/template): ScriptsHandler fix/improvments:
Goffi <goffi@goffi.org>
parents: 2249
diff changeset
174 def generate_scripts(self):
322694543225 tools (common/template): ScriptsHandler fix/improvments:
Goffi <goffi@goffi.org>
parents: 2249
diff changeset
175 """Generate the <script> elements
322694543225 tools (common/template): ScriptsHandler fix/improvments:
Goffi <goffi@goffi.org>
parents: 2249
diff changeset
176
2245
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
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parents: 2169
diff changeset
177 @return (unicode): <scripts> HTML tags
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
178 """
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
179 scripts = []
2465
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
180 tpl = u'<script src={src} {attribute}></script>'
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
181 for library, attribute in self.scripts:
2245
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
182 path = self.renderer.getStaticPath(library, self.template_root_dir, self.theme, self.is_default_theme, '.js')
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
183 if path is None:
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
184 log.warning(_(u"Can't find {}.js javascript library").format(library))
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
185 continue
2265
322694543225 tools (common/template): ScriptsHandler fix/improvments:
Goffi <goffi@goffi.org>
parents: 2249
diff changeset
186 path = os.path.join(self.root_path, path)
2465
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
187 scripts.append(tpl.format(
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
188 src = quoteattr(path),
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
189 attribute = attribute,
bb0bbcc80fc8 template: boolean attribute can now be specified when importing a script, and default to "defer"
Goffi <goffi@goffi.org>
parents: 2454
diff changeset
190 ))
2265
322694543225 tools (common/template): ScriptsHandler fix/improvments:
Goffi <goffi@goffi.org>
parents: 2249
diff changeset
191 return safe(u'\n'.join(scripts))
2245
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
192
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
193
2159
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
194 class Renderer(object):
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
195
2169
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
196 def __init__(self, host):
2159
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
197 self.host = host
2169
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
198 self.base_dir = os.path.dirname(sat_templates.__file__) # FIXME: should be modified if we handle use extra dirs
2159
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
199 self.env = jinja2.Environment(
2169
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
200 loader=TemplateLoader(),
2159
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
201 autoescape=jinja2.select_autoescape(['html', 'xhtml', 'xml']),
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
202 trim_blocks=True,
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
203 lstrip_blocks=True,
2249
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
204 extensions=['jinja2.ext.i18n'],
2159
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
205 )
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
206 self._locale_str = C.DEFAULT_LOCALE
2249
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
207 self._locale = Locale.parse(self._locale_str)
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
208 self.installTranslations()
2159
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 # we want to have access to SàT constants in templates
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
210 self.env.globals[u'C'] = C
2245
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
211 # custom filters
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
212 self.env.filters['next_gidx'] = self._next_gidx
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
213 self.env.filters['cur_gidx'] = self._cur_gidx
2403
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
214 self.env.filters['date_fmt'] = self._date_fmt
2384
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
215 self.env.filters['xmlui_class'] = self._xmlui_class
2401
221478058d8a template: improved attribute escaping, and added it to filters under the name "attr_escape"
Goffi <goffi@goffi.org>
parents: 2394
diff changeset
216 self.env.filters['attr_escape'] = self.attr_escape
2402
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
217 self.env.filters['item_filter'] = self._item_filter
2391
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
218 self.env.filters['adv_format'] = self._adv_format
2425
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
219 self.env.filters['dict_ext'] = self._dict_ext
2454
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
220 self.env.filters['highlight'] = self.highlight
2403
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
221 # custom tests
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
222 self.env.tests['in_the_past'] = self._in_the_past
2515
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
223 self.icons_path = os.path.join(host.media_dir, u'fonts/fontello/svg')
2159
5734b0994cf0 core (tools/common): template renderer first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
224
2249
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
225 def installTranslations(self):
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
226 i18n_dir = os.path.join(self.base_dir, 'i18n')
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
227 self.translations = {}
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
228 for lang_dir in os.listdir(i18n_dir):
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
229 lang_path = os.path.join(i18n_dir, lang_dir)
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
230 if not os.path.isdir(lang_path):
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
231 continue
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
232 po_path = os.path.join(lang_path, 'LC_MESSAGES/sat.mo')
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
233 try:
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
234 with open(po_path, 'rb') as f:
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
235 self.translations[Locale.parse(lang_dir)] = support.Translations(f, 'sat')
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
236 except EnvironmentError:
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
237 log.error(_(u"Can't find template translation at {path}").format(path = po_path))
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
238 except UnknownLocaleError as e:
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
239 log.error(_(u"Invalid locale name: {msg}").format(msg=e))
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
240 else:
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
241 log.info(_(u'loaded {lang} templates translations').format(lang=lang_dir))
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
242 self.env.install_null_translations(True)
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
243
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
244 def setLocale(self, locale_str):
2403
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
245 """set current locale
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
246
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
247 change current translation locale and self self._locale and self._locale_str
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
248 """
2249
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
249 if locale_str == self._locale_str:
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
250 return
2403
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
251 if locale_str == 'en':
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
252 # we default to GB English when it's not specified
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
253 # one of the main reason is to avoid the nonsense U.S. short date format
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
254 locale_str = 'en_GB'
2323
2dae79990122 template: print warning message and use DEFAULT_LOCALE on bad locale
Goffi <goffi@goffi.org>
parents: 2266
diff changeset
255 try:
2dae79990122 template: print warning message and use DEFAULT_LOCALE on bad locale
Goffi <goffi@goffi.org>
parents: 2266
diff changeset
256 locale = Locale.parse(locale_str)
2dae79990122 template: print warning message and use DEFAULT_LOCALE on bad locale
Goffi <goffi@goffi.org>
parents: 2266
diff changeset
257 except ValueError as e:
2dae79990122 template: print warning message and use DEFAULT_LOCALE on bad locale
Goffi <goffi@goffi.org>
parents: 2266
diff changeset
258 log.warning(_(u"invalid locale value: {msg}").format(msg=e))
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
259 locale_str = self._locale_str = C.DEFAULT_LOCALE
2323
2dae79990122 template: print warning message and use DEFAULT_LOCALE on bad locale
Goffi <goffi@goffi.org>
parents: 2266
diff changeset
260 locale = Locale.parse(locale_str)
2dae79990122 template: print warning message and use DEFAULT_LOCALE on bad locale
Goffi <goffi@goffi.org>
parents: 2266
diff changeset
261
2249
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
262 locale_str = unicode(locale)
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
263 if locale_str != C.DEFAULT_LOCALE:
2249
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
264 try:
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
265 translations = self.translations[locale]
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
266 except KeyError:
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267 log.warning(_(u"Can't find locale {locale}".format(locale=locale)))
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268 locale_str = C.DEFAULT_LOCALE
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269 locale = Locale.parse(self._locale_str)
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270 else:
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271 self.env.install_gettext_translations(translations, True)
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272 log.debug(_(u'Switched to {lang}').format(lang=locale.english_name))
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273
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274 if locale_str == C.DEFAULT_LOCALE:
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275 self.env.install_null_translations(True)
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276
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277 self._locale = locale
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278 self._locale_str = locale_str
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279
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280 def getThemeAndRoot(self, template):
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281 """retrieve theme and root dir of a given tempalte
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282
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283 @param template(unicode): template to parse
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284 @return (tuple[unicode, unicode]): theme and absolute path to theme's root dir
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285 """
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286 theme, dummy = self.env.loader.parse_template(template)
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287 return theme, os.path.join(self.base_dir, theme)
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288
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289 def getStaticPath(self, name, template_root_dir, theme, is_default, ext='.css'):
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290 """retrieve path of a static file if it exists with current theme or default
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291
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292 File will be looked at [theme]/static/[name][ext], and then default
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293 if not found.
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294 @param name(unicode): name of the file to look for
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295 @param template_root_dir(unicode): absolute path to template root used
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296 @param theme(unicode): name of the template theme used
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297 @param is_default(bool): True if theme is the default theme
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298 @return (unicode, None): relative path if found, else None
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299 """
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300 file_ = None
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301 path = os.path.join(theme, C.TEMPLATE_STATIC_DIR, name + ext)
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302 if os.path.exists(os.path.join(template_root_dir, path)):
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303 file_ = path
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304 elif not is_default:
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305 path = os.path.join(C.TEMPLATE_THEME_DEFAULT, C.TEMPLATE_STATIC_DIR, name + ext)
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306 if os.path.exists(os.path.join(template_root_dir, path)):
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307 file_.append(path)
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308 return file_
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309
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310 def getThemeData(self, template_path):
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311 """return template data got from template_path
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312
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313 @return tuple(unicode, unicode, bool):
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314 path_elems: elements of the path
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315 theme: theme of the page
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316 is_default: True if the theme is the default theme
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317 """
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318 path_elems = [os.path.splitext(p)[0] for p in template_path.split(u'/')]
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319 theme = path_elems.pop(0)
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320 is_default = theme == C.TEMPLATE_THEME_DEFAULT
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321 return (path_elems, theme, is_default)
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322
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323 def getCSSFiles(self, template_path, template_root_dir):
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324 """retrieve CSS files to use according to theme and template path
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325
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326 for each element of the path, a .css file is looked for in /static, and returned if it exists.
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327 previous element are kept by replacing '/' with '_', and styles.css is always returned.
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328 For instance, if template_path is some_theme/blog/articles.html:
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329 some_theme/static/styles.css is returned if it exists else default/static/styles.css
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330 some_theme/static/blog.css is returned if it exists else default/static/blog.css (if it exists too)
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331 some_theme/static/blog_articles.css is returned if it exists else default/static/blog_articles.css (if it exists too)
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332 @param template_path(unicode): relative path to template file (e.g. some_theme/blog/articles.html)
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333 @param template_root_dir(unicode): absolute path of the theme root dir used
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334 @return list[unicode]: relative path to CSS files to use
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335 """
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336 # TODO: some caching would be nice
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337 css_files = []
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338 path_elems, theme, is_default = self.getThemeData(template_path)
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339 for css in (u'fonts', u'styles'):
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340 css_path = self.getStaticPath(css, template_root_dir, theme, is_default)
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341 if css_path is not None:
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342 css_files.append(css_path)
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343
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344 for idx, path in enumerate(path_elems):
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345 css_path = self.getStaticPath(u'_'.join(path_elems[:idx+1]), template_root_dir, theme, is_default)
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346 if css_path is not None:
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347 css_files.append(css_path)
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348
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349 return css_files
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350
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351
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352 ## custom filters ##
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353
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354 @jinja2.contextfilter
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355 def _next_gidx(self, ctx, value):
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356 """Use next current global index as suffix"""
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357 next_ = ctx['gidx'].next(value)
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358 return value if next_ == 0 else u"{}_{}".format(value, next_)
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359
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360 @jinja2.contextfilter
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361 def _cur_gidx(self, ctx, value):
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362 """Use current current global index as suffix"""
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363 current = ctx['gidx'].current(value)
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364 return value if not current else u"{}_{}".format(value, current)
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365
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366 def _date_fmt(self, timestamp, fmt='short', date_only=False, auto_limit=None, auto_old_fmt=None):
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367 if is_undefined(fmt):
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368 fmt = u'short'
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369
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370 try:
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371 return date_utils.date_fmt(timestamp, fmt, date_only, auto_limit, auto_old_fmt)
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372 except Exception as e:
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373 log.warning(_(u"Can't parse date: {msg}").format(msg=e))
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374 return timestamp
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375
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376 def attr_escape(self, text):
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377 """escape a text to a value usable as an attribute
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378
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379 remove spaces, and put in lower case
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380 """
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381 return RE_ATTR_ESCAPE.sub(u'_', text.strip().lower())[:50]
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382
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383 def _xmlui_class(self, xmlui_item, fields):
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384 """return classes computed from XMLUI fields name
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385
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386 will return a string with a series of escaped {name}_{value} separated by spaces.
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387 @param xmlui_item(xmlui.XMLUIPanel): XMLUI containing the widgets to use
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388 @param fields(iterable(unicode)): names of the widgets to use
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389 @return (unicode, None): computer string to use as class attribute value
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390 None if no field was specified
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391 """
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392 classes = []
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
393 for name in fields:
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
394 escaped_name = self.attr_escape(name)
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
395 try:
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
396 for value in xmlui_item.widgets[name].values:
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
397 classes.append(escaped_name + '_' + self.attr_escape(value))
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
398 except KeyError:
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
399 log.debug(_(u"ignoring field \"{name}\": it doesn't exists").format(name=name))
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
400 continue
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
401 return u' '.join(classes) or None
d14c1a3e3244 template: new "xmlui_class" filter compute class names from name/values of requested fields.
Goffi <goffi@goffi.org>
parents: 2323
diff changeset
402
2422
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
403 @jinja2.contextfilter
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
404 def _item_filter(self, ctx, item, filters):
2402
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
405 """return item's value, filtered if suitable
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
406
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
407 @param item(object): item to filter
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
408 value must have name and value attributes,
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
409 mostly used for XMLUI items
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
410 @param filters(dict[unicode, (callable, dict, None)]): map of name => filter
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
411 if filter is None, return the value unchanged
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
412 if filter is a callable, apply it
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
413 if filter is a dict, it can have following keys:
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
414 - filters: iterable of filters to apply
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
415 - filters_args: kwargs of filters in the same order as filters (use empty dict if needed)
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
416 - template: template to format where {value} is the filtered value
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
417 """
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
418 value = item.value
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
419 filter_ = filters.get(item.name, None)
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
420 if filter_ is None:
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
421 return value
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
422 elif isinstance(filter_, dict):
2422
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
423 filters_args = filter_.get(u'filters_args')
2402
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
424 for idx, f_name in enumerate(filter_.get(u'filters', [])):
2422
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
425 kwargs = filters_args[idx] if filters_args is not None else {}
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
426 filter_func = self.env.filters[f_name]
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
427 try:
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
428 eval_context_filter = filter_func.evalcontextfilter
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
429 except AttributeError:
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
430 eval_context_filter = False
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
431
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
432 if eval_context_filter:
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
433 value = filter_func(ctx.eval_ctx, value, **kwargs)
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
434 else:
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
435 value = filter_func(value, **kwargs)
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
436 template = filter_.get(u'template')
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
437 if template:
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
438 # format will return a string, so we need to check first
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
439 # if the value is safe or not, and re-mark it after formatting
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
440 is_safe = isinstance(value, safe)
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
441 value = template.format(value=value)
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
442 if is_safe:
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
443 value = safe(value)
5425cf18929b template: fixed the use of eval_context_filter in item_filter
Goffi <goffi@goffi.org>
parents: 2414
diff changeset
444 return value
2402
f905dfe69fcc template: new item_value filter
Goffi <goffi@goffi.org>
parents: 2401
diff changeset
445
2391
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
446 def _adv_format(self, value, template, **kwargs):
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
447 """Advancer formatter
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
448
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
449 like format() method, but take care or special values like None
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
450 @param value(unicode): value to format
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
451 @param template(None, unicode): template to use with format() method.
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
452 It will be formatted using value=value and **kwargs
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
453 None to return value unchanged
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
454 @return (unicode): formatted value
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
455 """
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
456 if template is None:
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
457 return value
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
458 # jinja use string when no special char is used, so we have to convert to unicode
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
459 return unicode(template).format(value=value, **kwargs)
07e1543d6992 template: new "adv_format" filter which use Python's format and return whole value if template is None
Goffi <goffi@goffi.org>
parents: 2385
diff changeset
460
2425
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
461 def _dict_ext(self, source_dict, extra_dict, key=None):
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
462 """extend source_dict with extra dict and return the result
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
463
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
464 @param source_dict(dict): dictionary to extend
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
465 @param extra_dict(dict, None): dictionary to use to extend first one
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
466 None to return source_dict unmodified
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
467 @param key(unicode, None): if specified extra_dict[key] will be used
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
468 if it doesn't exists, a copy of unmodified source_dict is returned
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
469 @return (dict): resulting dictionary
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
470 """
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
471 if extra_dict is None:
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
472 return source_dict
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
473 if key is not None:
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
474 extra_dict = extra_dict.get(key, {})
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
475 ret = source_dict.copy()
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
476 ret.update(extra_dict)
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
477 return ret
d294527bd46f template: added dict_ext filter to extend a dictionary
Goffi <goffi@goffi.org>
parents: 2422
diff changeset
478
2454
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
479 def highlight(self, code, lexer_name=None, lexer_opts=None, html_fmt_opts=None):
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
480 """Do syntax highlighting on code
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
481
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
482 under the hood, pygments is used, check its documentation for options possible values
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
483 @param code(unicode): code or markup to highlight
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
484 @param lexer_name(unicode, None): name of the lexer to use
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
485 None to autodetect it
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
486 @param html_fmt_opts(dict, None): kword arguments to use for HtmlFormatter
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
487 @return (unicode): HTML markup with highlight classes
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
488 """
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
489 if lexer_opts is None:
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
490 lexer_opts = {}
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
491 if html_fmt_opts is None:
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
492 html_fmt_opts = {}
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
493 if lexer_name is None:
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
494 lexer = lexers.guess_lexer(code, **lexer_opts)
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
495 else:
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
496 lexer = lexers.get_lexer_by_name(lexer_name, **lexer_opts)
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
497 formatter = formatters.HtmlFormatter(**html_fmt_opts)
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
498 return safe(pygments.highlight(code, lexer, formatter))
06ff33052354 core, template (filters): added pygments as a dependency + new highlight filter to use it.
Goffi <goffi@goffi.org>
parents: 2453
diff changeset
499
2403
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
500 ## custom tests ##
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
501
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
502 def _in_the_past(self, timestamp):
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
503 """check if a date is in the past
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
504
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
505 @param timestamp(unicode, int): unix time
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
506 @return (bool): True if date is in the past
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
507 """
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
508 return time.time() > int(timestamp)
dec31114c402 template: improved date formatter:
Goffi <goffi@goffi.org>
parents: 2402
diff changeset
509
2515
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
510 ## template methods ##
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
511
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
512 def _icon_defs(self, *names):
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
513 """Define svg icons which will be used in the template, and use their name as id"""
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
514 svg_elt = etree.Element('svg', nsmap={None: 'http://www.w3.org/2000/svg'},
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
515 width='0', height='0', style='display: block'
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
516 )
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
517 defs_elt = etree.SubElement(svg_elt, 'defs')
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
518 for name in names:
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
519 path = os.path.join(self.icons_path, name + u'.svg')
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
520 icon_svg_elt = etree.parse(path).getroot()
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
521 # we use icon name as id, so we can retrieve them easily
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
522 icon_svg_elt.set('id', name)
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
523 if not icon_svg_elt.tag == '{http://www.w3.org/2000/svg}svg':
00480cf83fa1 template: added icon handling:
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diff changeset
524 raise exceptions.DataError(u'invalid SVG element')
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525 defs_elt.append(icon_svg_elt)
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diff changeset
526 return safe(etree.tostring(svg_elt, encoding='unicode'))
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527
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diff changeset
528 def _icon_use(self, name, cls=''):
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diff changeset
529 return safe(u"""<svg class="svg-icon{cls}" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100">
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530 <use href="#{name}"/>
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parents: 2483
diff changeset
531 </svg>
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Goffi <goffi@goffi.org>
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532 """.format(
00480cf83fa1 template: added icon handling:
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parents: 2483
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533 name=name,
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
534 cls=(' ' + cls) if cls else ''))
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parents: 2483
diff changeset
535
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
536 def render(self, template, theme=None, locale=C.DEFAULT_LOCALE, root_path=u'', media_path=u'', css_files=None, css_inline=False, **kwargs):
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5734b0994cf0 core (tools/common): template renderer first draft:
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diff changeset
537 """render a template
2515
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538 .
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diff changeset
539 @param template(unicode): template to render (e.g. blog/articles.html)
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Goffi <goffi@goffi.org>
parents:
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540 @param theme(unicode): template theme
2169
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diff changeset
541 @param root_path(unicode): prefix of the path/URL to use for template root
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
542 must end with a u'/'
2394
7bfcc431f66d template: added media_path to template data
Goffi <goffi@goffi.org>
parents: 2391
diff changeset
543 @param media_path(unicode): prefix of the SàT media path/URL to use for template root
7bfcc431f66d template: added media_path to template data
Goffi <goffi@goffi.org>
parents: 2391
diff changeset
544 must end with a u'/'
2169
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diff changeset
545 @param css_files(list[unicode],None): CSS files to used
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parents: 2159
diff changeset
546 CSS files must be in static dir of the template
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parents: 2159
diff changeset
547 use None for automatic selection of CSS files based on template category
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parents: 2159
diff changeset
548 None is recommended. General static/style.css and theme file name will be used.
2159
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diff changeset
549 @param css_inline(bool): if True, CSS will be embedded in the HTML page
5734b0994cf0 core (tools/common): template renderer first draft:
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parents:
diff changeset
550 @param **kwargs: variable to transmit to the template
5734b0994cf0 core (tools/common): template renderer first draft:
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parents:
diff changeset
551 """
2169
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diff changeset
552 if not template:
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diff changeset
553 raise ValueError(u"template can't be empty")
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diff changeset
554 if theme is not None:
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parents: 2159
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555 # use want to set a theme, we add it to the template path
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parents: 2159
diff changeset
556 if template[0] == u'(':
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parents: 2159
diff changeset
557 raise ValueError(u"you can't specify theme in template path and in argument at the same time")
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parents: 2159
diff changeset
558 elif template[0] == u'/':
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parents: 2159
diff changeset
559 raise ValueError(u"you can't specify theme with absolute paths")
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parents: 2159
diff changeset
560 template= u'(' + theme + u')' + template
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
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diff changeset
561 else:
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parents: 2159
diff changeset
562 theme, dummy = self.env.loader.parse_template(template)
2159
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Goffi <goffi@goffi.org>
parents:
diff changeset
563
2169
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parents: 2159
diff changeset
564 template_source = self.env.get_template(template)
f472179305a1 tools(templates): workflow improvments:
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parents: 2159
diff changeset
565 template_root_dir = os.path.normpath(self.base_dir) # FIXME: should be modified if we handle use extra dirs
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parents: 2159
diff changeset
566 # XXX: template_path may have a different theme as first element than theme if a default page is used
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
567 template_path = template_source.filename[len(template_root_dir)+1:]
f472179305a1 tools(templates): workflow improvments:
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parents: 2159
diff changeset
568
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
569 if css_files is None:
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
570 css_files = self.getCSSFiles(template_path, template_root_dir)
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
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diff changeset
571
2515
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diff changeset
572 kwargs['icon_defs'] = self._icon_defs
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
573 kwargs['icon'] = self._icon_use
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
574
2159
5734b0994cf0 core (tools/common): template renderer first draft:
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parents:
diff changeset
575 if css_inline:
2169
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parents: 2159
diff changeset
576 css_contents = []
f472179305a1 tools(templates): workflow improvments:
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parents: 2159
diff changeset
577 for css_file in css_files:
f472179305a1 tools(templates): workflow improvments:
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parents: 2159
diff changeset
578 css_file_path = os.path.join(template_root_dir, css_file)
f472179305a1 tools(templates): workflow improvments:
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parents: 2159
diff changeset
579 with open(css_file_path) as f:
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
580 css_contents.append(f.read())
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
581 if css_contents:
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
582 kwargs['css_content'] = '\n'.join(css_contents)
2245
e09048cb7595 core (tools/common/template): helping methods/filters for templates:
Goffi <goffi@goffi.org>
parents: 2169
diff changeset
583
2265
322694543225 tools (common/template): ScriptsHandler fix/improvments:
Goffi <goffi@goffi.org>
parents: 2249
diff changeset
584 scripts_handler = ScriptsHandler(self, template_path, template_root_dir, root_path)
2249
e572482f6cbd core (tools/common/template): i18n support
Goffi <goffi@goffi.org>
parents: 2245
diff changeset
585 self.setLocale(locale)
2169
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
586 # XXX: theme used in template arguments is the requested theme, which may differ from actual theme
f472179305a1 tools(templates): workflow improvments:
Goffi <goffi@goffi.org>
parents: 2159
diff changeset
587 # if the template doesn't exist in the requested theme.
2515
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
588 return template_source.render(theme=theme, root_path=root_path, media_path=media_path,
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
589 css_files=css_files, locale=self._locale,
00480cf83fa1 template: added icon handling:
Goffi <goffi@goffi.org>
parents: 2483
diff changeset
590 gidx=Indexer(), script=scripts_handler,
00480cf83fa1 template: added icon handling:
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parents: 2483
diff changeset
591 **kwargs)