annotate MoinMoin/themes/__init__.py @ 104:9ca492c52070

use default theme if we cannot get the one that was requested (instead of crashing)
author MattMaker <trip@entropyreductionservices.com>
date Fri, 11 Mar 2011 23:08:35 -0600
parents 5b156d90317f
children ddc707d70d9d
rev   line source
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1 # Copyright: 2003-2010 MoinMoin:ThomasWaldmann
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2 # Copyright: 2008 MoinMoin:RadomirDopieralski
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3 # Copyright: 2010 MoinMoin:DiogenesAugusto
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4 # License: GNU GPL v2 (or any later version), see LICENSE.txt for details.
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5
0
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6 """
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7 MoinMoin - Theme Support
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8 """
0
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9
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10
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11 import os
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12 import urllib
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13
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14 from flask import current_app as app
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15 from flask import flaskg
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16 from flask import url_for, request
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17 from flaskext.themes import get_theme, render_theme_template
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18
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19 from MoinMoin import log
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20 logging = log.getLogger(__name__)
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21
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22 from MoinMoin.i18n import _, L_, N_
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23 from MoinMoin import wikiutil, user
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24 from MoinMoin.util.interwiki import split_interwiki, resolve_interwiki, join_wiki, getInterwikiHome
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25
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26
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27 def get_current_theme():
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28 # this might be called at a time when flaskg.user is not setup yet:
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29 u = getattr(flaskg, 'user', None)
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30 if u and u.theme_name is not None:
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31 theme_name = u.theme_name
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32 else:
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33 theme_name = app.cfg.theme_default
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34 try:
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35 return get_theme(theme_name)
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36 except KeyError:
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37 logging.warning("theme %s was not found; using default of %s instead." % (theme_name,app.cfg.theme_default))
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38 theme_name = app.cfg.theme_default
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39 return get_theme(theme_name)
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40
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42
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43 def render_template(template, **context):
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44 flaskg.clock.start('render_template')
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45 output = render_theme_template(get_current_theme(), template, **context)
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46 flaskg.clock.stop('render_template')
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47 return output
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48
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49 def themed_error(e):
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50 item_name = request.view_args.get('item_name', u'')
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51 if e.code == 403:
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52 title = L_('Access denied')
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53 description = L_('You are not allowed to access this resource.')
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54 else:
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55 # if we have no special code, we just return the HTTPException instance
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56 return e
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57 content = render_template('error.html',
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58 item_name=item_name,
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59 title=title, description=description)
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60 return content, e.code
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61
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62
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63 class ThemeSupport(object):
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64 """
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65 Support code for template feeding.
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66 """
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67 def __init__(self, cfg):
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68 self.cfg = cfg
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69 self.user = flaskg.user
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70 self.storage = flaskg.storage
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71 self.output_mimetype = 'text/html' # was: page.output_mimetype
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72 self.output_charset = 'utf-8' # was: page.output_charset
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73 self.ui_lang = 'en' # XXX
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74 self.ui_dir = 'ltr' # XXX
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75 self.content_lang = flaskg.content_lang # XXX
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76 self.content_dir = 'ltr' # XXX
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77 self.meta_items = [] # list of (name, content) for html head <meta>
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78
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79 def location_breadcrumbs(self, item_name):
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80 """
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81 Assemble the location using breadcrumbs (was: title)
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82
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83 :rtype: list
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84 :returns: location breadcrumbs items in tuple (segment_name, item_name, exists)
0
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85 """
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86 breadcrumbs = []
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87 current_item = ''
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88 for segment in item_name.split('/'):
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89 current_item += segment
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90 breadcrumbs.append((segment, current_item, self.storage.has_item(current_item)))
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91 current_item += '/'
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92 return breadcrumbs
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93
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94 def path_breadcrumbs(self):
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95 """
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96 Assemble the path breadcrumbs (a.k.a.: trail)
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97
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98 :rtype: list
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99 :returns: path breadcrumbs items in tuple (wiki_name, item_name, url, exists, err)
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100 """
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101 user = self.user
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102 breadcrumbs = []
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103 trail = user.getTrail()
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104 for interwiki_item_name in trail:
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105 wiki_name, item_name = split_interwiki(interwiki_item_name)
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106 wiki_name, wiki_base_url, item_name, err = resolve_interwiki(wiki_name, item_name)
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107 href = join_wiki(wiki_base_url, item_name)
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108 if wiki_name in [self.cfg.interwikiname, 'Self', ]:
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109 exists = self.storage.has_item(item_name)
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110 wiki_name = '' # means "this wiki" for the theme code
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111 else:
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112 exists = True # we can't detect existance of remote items
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113 breadcrumbs.append((wiki_name, item_name, href, exists, err))
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114 return breadcrumbs
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115
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116 def userhome(self):
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117 """
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118 Assemble arguments used to build user homepage link
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119
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120 :rtype: tuple
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121 :returns: arguments of user homepage link in tuple (wiki_href, aliasname, title, exists)
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122 """
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123 user = self.user
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124 name = user.name
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125 aliasname = user.aliasname
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126 if not aliasname:
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127 aliasname = name
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128
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129 wikiname, itemname = getInterwikiHome(name)
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130 title = "%s @ %s" % (aliasname, wikiname)
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131 # link to (interwiki) user homepage
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132 if wikiname == "Self":
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133 exists = self.storage.has_item(itemname)
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134 else:
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135 # We cannot check if wiki pages exists in remote wikis
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136 exists = True
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137 wiki_name, wiki_base_url, item_name, err = resolve_interwiki(wikiname, itemname)
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138 wiki_href = join_wiki(wiki_base_url, item_name)
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139 return wiki_href, aliasname, title, exists
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140
63
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diff changeset
141 def split_navilink(self, text):
0
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142 """
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143 Split navibar links into pagename, link to page
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144
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145 Admin or user might want to use shorter navibar items by using
63
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diff changeset
146 the [[page|title]] or [[url|title]] syntax.
0
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147
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148 Supported syntax:
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149 * PageName
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150 * WikiName:PageName
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151 * wiki:WikiName:PageName
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152 * url
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153 * all targets as seen above with title: [[target|title]]
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154
38
1d8e9b1153d6 docstrings: convert epydoc fields to rst/sphinx fields
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155 :param text: the text used in config or user preferences
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156 :rtype: tuple
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157 :returns: pagename or url, link to page or url
0
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158 """
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159 title = None
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160 wiki_local = '' # means local wiki
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161
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162 # Handle [[pagename|title]] or [[url|title]] formats
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163 if text.startswith('[[') and text.endswith(']]'):
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164 text = text[2:-2]
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165 try:
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166 target, title = text.split('|', 1)
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167 target = target.strip()
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168 title = title.strip()
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169 except (ValueError, TypeError):
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170 # Just use the text as is.
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171 target = text.strip()
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172 else:
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173 target = text
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174
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175 if wikiutil.is_URL(target):
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176 if not title:
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177 title = target
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178 return target, title, wiki_local
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179
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180 # remove wiki: url prefix
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181 if target.startswith("wiki:"):
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182 target = target[5:]
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183
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184 # try handling interwiki links
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185 wiki_name, item_name = split_interwiki(target)
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186 wiki_name, wiki_base_url, item_name, err = resolve_interwiki(wiki_name, item_name)
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187 href = join_wiki(wiki_base_url, item_name)
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188 if wiki_name not in [self.cfg.interwikiname, 'Self', ]:
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189 if not title:
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190 title = item_name
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191 return href, title, wiki_name
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192
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193 # Handle regular pagename like "FrontPage"
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194 item_name = wikiutil.normalize_pagename(item_name, self.cfg)
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195
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196 if not title:
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197 title = item_name
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198 href = url_for('frontend.show_item', item_name=item_name)
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199 return href, title, wiki_local
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200
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201 def navibar(self, item_name):
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202 """
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203 Assemble the navibar
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204
38
1d8e9b1153d6 docstrings: convert epydoc fields to rst/sphinx fields
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diff changeset
205 :rtype: list
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diff changeset
206 :returns: list of tuples (css_class, url, link_text, title)
0
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207 """
63
14832b8cc7ed navibar/split_navilink: remove i18n support (was used for cfg.navibar)
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diff changeset
208 flaskg.clock.start('navibar')
0
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209 items = [] # navibar items
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210 current = item_name
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211
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212 # Process config navi_bar
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213 for text in self.cfg.navi_bar:
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parents:
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214 url, link_text, title = self.split_navilink(text)
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215 items.append(('wikilink', url, link_text, title))
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216
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217 # Add user links to wiki links.
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218 userlinks = self.user.getQuickLinks()
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219 for text in userlinks:
63
14832b8cc7ed navibar/split_navilink: remove i18n support (was used for cfg.navibar)
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diff changeset
220 url, link_text, title = self.split_navilink(text)
0
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221 items.append(('userlink', url, link_text, title))
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222
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223 # Add sister pages (see http://usemod.com/cgi-bin/mb.pl?SisterSitesImplementationGuide )
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224 for sistername, sisterurl in self.cfg.sistersites:
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225 if sistername == self.cfg.interwikiname: # it is THIS wiki
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226 items.append(('sisterwiki current', sisterurl, sistername))
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227 else:
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228 cid = wikiutil.cache_key(usage="SisterSites", sistername=sistername)
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229 sisteritems = app.cache.get(cid)
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230 if sisteritems is None:
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231 uo = urllib.URLopener()
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232 uo.version = 'MoinMoin SisterItem list fetcher 1.0'
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233 try:
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234 sisteritems = {}
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235 f = uo.open(sisterurl)
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236 for line in f:
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237 line = line.strip()
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238 try:
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239 item_url, item_name = line.split(' ', 1)
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240 sisteritems[item_name.decode('utf-8')] = item_url
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241 except:
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242 pass # ignore invalid lines
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243 f.close()
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244 app.cache.set(cid, sisteritems)
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245 logging.info(u"Site: %s Status: Updated. Pages: %d" % (sistername, len(sisteritems)))
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246 except IOError, (title, code, msg, headers): # code e.g. 304
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247 logging.warning(u"Site: %s Status: Not updated." % sistername)
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248 logging.exception("exception was:")
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249 if current in sisteritems:
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250 url = sisteritems[current]
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251 items.append(('sisterwiki', url, sistername, ''))
63
14832b8cc7ed navibar/split_navilink: remove i18n support (was used for cfg.navibar)
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diff changeset
252 flaskg.clock.stop('navibar')
0
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253 return items
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254
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255 def parent_item(self, item_name):
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256 """
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257 Return name of parent item for the current item
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258
38
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259 :rtype: unicode
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260 :returns: parent item name
0
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261 """
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262 parent_item_name = wikiutil.ParentItemName(item_name)
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263 if item_name and parent_item_name:
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264 return parent_item_name
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265
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266 # TODO: reimplement on-wiki-page sidebar definition with MoinMoin.converter
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267
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268 # Properties ##############################################################
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269
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270 def login_url(self):
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271 """
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272 Return URL usable for user login
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273
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274 :rtype: unicode (or None, if no login url is supported)
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275 :returns: url for user login
0
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276 """
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277 url = None
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278 if self.cfg.auth_login_inputs == ['special_no_input']:
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279 url = url_for('frontend.login', login=1)
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280 if self.cfg.auth_have_login:
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281 url = url or url_for('frontend.login')
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282 return url
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283
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284 def actions_menu_options(self, item_name):
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285 """
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286 Create actions menu list and items data dict
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287
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288 The menu will contain the same items always, but items that are
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289 not available will be disabled (some broken browsers will let
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290 you select disabled options though).
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291
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292 The menu should give best user experience for javascript
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293 enabled browsers, and acceptable behavior for those who prefer
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294 not to use Javascript.
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295
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296 :rtype: list
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297 :returns: options of actions menu
0
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298 """
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299 not_exists = not flaskg.storage.has_item(item_name)
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300 menu = [
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301 # title, internal name, endpoint, disabled
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302 (_('Global History'), 'global_history', 'frontend.global_history', False, ),
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303 (_('Global Items Index'), 'global_index', 'frontend.global_index', False, ),
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304 (_('Global Tags Index'), 'global_tags', 'frontend.global_tags', False, ),
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305 (_('Wanted Items'), 'wanted_items', 'frontend.wanted_items', False, ),
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306 (_('Orphaned Items'), 'orphaned_items', 'frontend.orphaned_items', False, ),
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307 # Translation may need longer or shorter separator:
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308 (_('-----------------------------------'), 'show', 'frontend.show_item', True),
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309 (_('What refers here?'), 'backrefs', 'frontend.backrefs', False, ),
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310 (_('Local Site Map'), 'sitemap', 'frontend.sitemap', not_exists, ),
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311 (_('Items with similar names'), 'similar_names', 'frontend.similar_names', False, ),
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312 (_('-----------------------------------'), 'show', 'frontend.show_item', True),
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313 (_('Copy Item'), 'copy', 'frontend.copy_item', not_exists, ),
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314 (_('Rename Item'), 'rename', 'frontend.rename_item', not_exists, ),
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315 (_('Delete Item'), 'delete', 'frontend.delete_item', not_exists, ),
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316 (_('Destroy Item'), 'destroy', 'frontend.destroy_item', not_exists, ),
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317 ]
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318 return [(title, disabled, endpoint)
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319 for title, action, endpoint, disabled in menu
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320 if action not in self.cfg.actions_excluded]
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321
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322
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323 def get_editor_info(rev, external=False):
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324 from MoinMoin.items import USERID, ADDRESS, HOSTNAME
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325 addr = rev.get(ADDRESS)
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326 hostname = rev.get(HOSTNAME)
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327 text = _('anonymous') # link text
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328 title = '' # link title
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329 css = 'editor' # link/span css class
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330 name = None # author name
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331 uri = None # author homepage uri
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332 email = None # pure email address of author
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333 if app.cfg.show_hosts and addr:
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334 # only tell ip / hostname if show_hosts is True
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335 if hostname:
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336 text = hostname[:15] # 15 = len(ipaddr)
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337 name = title = '%s[%s]' % (hostname, addr)
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338 css = 'editor host'
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339 else:
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340 name = text = addr
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341 title = '[%s]' % (addr, )
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342 css = 'editor ip'
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343
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344 userid = rev.get(USERID)
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345 if userid:
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346 u = user.User(userid)
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347 name = u.name
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348 text = name
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349 aliasname = u.aliasname
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350 if not aliasname:
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351 aliasname = name
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352 if title:
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353 # we already have some address info
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354 title = "%s @ %s" % (aliasname, title)
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355 else:
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356 title = aliasname
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357 if u.mailto_author and u.email:
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358 email = u.email
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359 css = 'editor mail'
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360 else:
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361 homewiki = app.cfg.user_homewiki
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362 if homewiki in ('Self', app.cfg.interwikiname):
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363 homewiki = u'Self'
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364 css = 'editor homepage local'
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365 uri = url_for('frontend.show_item', item_name=name, _external=external)
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366 else:
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367 css = 'editor homepage interwiki'
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368 wt, wu, tail, err = resolve_interwiki(homewiki, name)
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369 uri = join_wiki(wu, tail)
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370
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371 result = dict(name=name, text=text, css=css, title=title)
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372 if uri:
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373 result['uri'] = uri
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374 if email:
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375 result['email'] = email
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376 return result
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377
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378
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379 def shorten_item_name(name, length=25):
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380 """
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381 Shorten item names
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382
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383 Shorten very long item names that tend to break the user
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384 interface. The short name is usually fine, unless really stupid
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385 long names are used (WYGIWYD).
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386
38
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387 :param name: item name, unicode
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388 :param length: maximum length for shortened item names, int
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389 :rtype: unicode
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390 :returns: shortened version.
0
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391 """
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392 # First use only the sub page name, that might be enough
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393 if len(name) > length:
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394 name = name.split('/')[-1]
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395 # If it's not enough, replace the middle with '...'
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396 if len(name) > length:
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397 half, left = divmod(length - 3, 2)
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398 name = u'%s...%s' % (name[:half + left], name[-half:])
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399 return name
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400
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401
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402 def setup_jinja_env():
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403 app.jinja_env.filters['shorten_item_name'] = shorten_item_name
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404 # please note that these filters are installed by flask-babel:
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405 # datetimeformat, dateformat, timeformat, timedeltaformat
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406
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407 app.jinja_env.globals.update({
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408 # please note that flask-babel/jinja2.ext installs:
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409 # _, gettext, ngettext
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410 'isinstance': isinstance,
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411 'list': list,
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412 # please note that flask-themes installs:
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413 # theme, theme_static
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414 'theme_supp': ThemeSupport(app.cfg),
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415 'user': flaskg.user,
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416 'storage': flaskg.storage,
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417 'clock': flaskg.clock,
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418 'cfg': app.cfg,
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419 'item_name': 'handlers need to give it',
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420 'get_editor_info': lambda rev: get_editor_info(rev),
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421 })
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422