annotate MoinMoin/themes/__init__.py @ 73:d79a50e0a42d

remove unused output_mimetype, hardcode output_charset (we'll ever use utf-8)
author Thomas Waldmann <tw AT waldmann-edv DOT de>
date Sun, 06 Mar 2011 01:36:16 +0100
parents efe399a0375b
children c084c1369078
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
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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 urllib
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12
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13 from flask import current_app as app
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14 from flask import flaskg
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15 from flask import url_for, request
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16 from flaskext.themes import get_theme, render_theme_template
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17
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18 from MoinMoin import log
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19 logging = log.getLogger(__name__)
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20
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21 from MoinMoin.i18n import _, L_, N_
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22 from MoinMoin import wikiutil, user
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23 from MoinMoin.util.interwiki import split_interwiki, resolve_interwiki, join_wiki, getInterwikiHome
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25
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26 def get_current_theme():
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27 # this might be called at a time when flaskg.user is not setup yet:
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28 u = getattr(flaskg, 'user', None)
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29 if u and u.theme_name is not None:
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30 theme_name = u.theme_name
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31 else:
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32 theme_name = app.cfg.theme_default
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33 return get_theme(theme_name)
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34
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35
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36 def render_template(template, **context):
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37 flaskg.clock.start('render_template')
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38 output = render_theme_template(get_current_theme(), template, **context)
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39 flaskg.clock.stop('render_template')
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40 return output
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41
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42 def themed_error(e):
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43 item_name = request.view_args.get('item_name', u'')
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44 if e.code == 403:
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45 title = L_('Access denied')
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46 description = L_('You are not allowed to access this resource.')
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47 else:
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48 # if we have no special code, we just return the HTTPException instance
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49 return e
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50 content = render_template('error.html',
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51 item_name=item_name,
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52 title=title, description=description)
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53 return content, e.code
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54
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55
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56 class ThemeSupport(object):
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57 """
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58 Support code for template feeding.
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59 """
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60 def __init__(self, cfg):
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61 self.cfg = cfg
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62 self.user = flaskg.user
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63 self.storage = flaskg.storage
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64 self.ui_lang = 'en' # XXX
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65 self.ui_dir = 'ltr' # XXX
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66 self.content_lang = flaskg.content_lang # XXX
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67 self.content_dir = 'ltr' # XXX
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68 self.meta_items = [] # list of (name, content) for html head <meta>
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69
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70 def location_breadcrumbs(self, item_name):
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71 """
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72 Assemble the location using breadcrumbs (was: title)
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73
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74 :rtype: list
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75 :returns: location breadcrumbs items in tuple (segment_name, item_name, exists)
0
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76 """
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77 breadcrumbs = []
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78 current_item = ''
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79 for segment in item_name.split('/'):
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80 current_item += segment
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81 breadcrumbs.append((segment, current_item, self.storage.has_item(current_item)))
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82 current_item += '/'
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83 return breadcrumbs
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84
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85 def path_breadcrumbs(self):
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86 """
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87 Assemble the path breadcrumbs (a.k.a.: trail)
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88
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89 :rtype: list
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90 :returns: path breadcrumbs items in tuple (wiki_name, item_name, url, exists, err)
0
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91 """
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92 user = self.user
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93 breadcrumbs = []
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94 trail = user.getTrail()
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95 for interwiki_item_name in trail:
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96 wiki_name, item_name = split_interwiki(interwiki_item_name)
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97 wiki_name, wiki_base_url, item_name, err = resolve_interwiki(wiki_name, item_name)
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98 href = join_wiki(wiki_base_url, item_name)
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99 if wiki_name in [self.cfg.interwikiname, 'Self', ]:
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100 exists = self.storage.has_item(item_name)
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101 wiki_name = '' # means "this wiki" for the theme code
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102 else:
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103 exists = True # we can't detect existance of remote items
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104 breadcrumbs.append((wiki_name, item_name, href, exists, err))
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105 return breadcrumbs
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106
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107 def userhome(self):
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108 """
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109 Assemble arguments used to build user homepage link
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110
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111 :rtype: tuple
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112 :returns: arguments of user homepage link in tuple (wiki_href, aliasname, title, exists)
0
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113 """
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114 user = self.user
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115 name = user.name
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116 aliasname = user.aliasname
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117 if not aliasname:
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118 aliasname = name
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119
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120 wikiname, itemname = getInterwikiHome(name)
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121 title = "%s @ %s" % (aliasname, wikiname)
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122 # link to (interwiki) user homepage
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123 if wikiname == "Self":
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124 exists = self.storage.has_item(itemname)
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125 else:
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126 # We cannot check if wiki pages exists in remote wikis
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127 exists = True
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128 wiki_name, wiki_base_url, item_name, err = resolve_interwiki(wikiname, itemname)
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129 wiki_href = join_wiki(wiki_base_url, item_name)
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130 return wiki_href, aliasname, title, exists
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131
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132 def split_navilink(self, text):
0
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133 """
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134 Split navibar links into pagename, link to page
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135
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136 Admin or user might want to use shorter navibar items by using
63
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137 the [[page|title]] or [[url|title]] syntax.
0
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138
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139 Supported syntax:
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140 * PageName
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141 * WikiName:PageName
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142 * wiki:WikiName:PageName
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143 * url
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144 * all targets as seen above with title: [[target|title]]
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145
38
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146 :param text: the text used in config or user preferences
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147 :rtype: tuple
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148 :returns: pagename or url, link to page or url
0
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149 """
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150 title = None
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151 wiki_local = '' # means local wiki
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152
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153 # Handle [[pagename|title]] or [[url|title]] formats
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154 if text.startswith('[[') and text.endswith(']]'):
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155 text = text[2:-2]
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156 try:
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157 target, title = text.split('|', 1)
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158 target = target.strip()
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159 title = title.strip()
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160 except (ValueError, TypeError):
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161 # Just use the text as is.
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162 target = text.strip()
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163 else:
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164 target = text
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165
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166 if wikiutil.is_URL(target):
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167 if not title:
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168 title = target
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169 return target, title, wiki_local
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170
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171 # remove wiki: url prefix
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172 if target.startswith("wiki:"):
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173 target = target[5:]
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174
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175 # try handling interwiki links
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176 wiki_name, item_name = split_interwiki(target)
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177 wiki_name, wiki_base_url, item_name, err = resolve_interwiki(wiki_name, item_name)
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178 href = join_wiki(wiki_base_url, item_name)
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179 if wiki_name not in [self.cfg.interwikiname, 'Self', ]:
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180 if not title:
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181 title = item_name
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182 return href, title, wiki_name
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183
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184 # Handle regular pagename like "FrontPage"
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185 item_name = wikiutil.normalize_pagename(item_name, self.cfg)
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186
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187 if not title:
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188 title = item_name
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189 href = url_for('frontend.show_item', item_name=item_name)
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190 return href, title, wiki_local
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191
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192 def navibar(self, item_name):
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193 """
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194 Assemble the navibar
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195
38
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196 :rtype: list
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197 :returns: list of tuples (css_class, url, link_text, title)
0
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198 """
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199 flaskg.clock.start('navibar')
0
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200 items = [] # navibar items
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201 current = item_name
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202
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203 # Process config navi_bar
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204 for text in self.cfg.navi_bar:
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205 url, link_text, title = self.split_navilink(text)
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206 items.append(('wikilink', url, link_text, title))
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207
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208 # Add user links to wiki links.
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209 userlinks = self.user.getQuickLinks()
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210 for text in userlinks:
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211 url, link_text, title = self.split_navilink(text)
0
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212 items.append(('userlink', url, link_text, title))
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213
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214 # Add sister pages (see http://usemod.com/cgi-bin/mb.pl?SisterSitesImplementationGuide )
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215 for sistername, sisterurl in self.cfg.sistersites:
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216 if sistername == self.cfg.interwikiname: # it is THIS wiki
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217 items.append(('sisterwiki current', sisterurl, sistername))
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218 else:
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219 cid = wikiutil.cache_key(usage="SisterSites", sistername=sistername)
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220 sisteritems = app.cache.get(cid)
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221 if sisteritems is None:
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222 uo = urllib.URLopener()
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223 uo.version = 'MoinMoin SisterItem list fetcher 1.0'
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224 try:
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225 sisteritems = {}
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226 f = uo.open(sisterurl)
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227 for line in f:
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228 line = line.strip()
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229 try:
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230 item_url, item_name = line.split(' ', 1)
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231 sisteritems[item_name.decode('utf-8')] = item_url
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232 except:
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233 pass # ignore invalid lines
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234 f.close()
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235 app.cache.set(cid, sisteritems)
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236 logging.info(u"Site: %s Status: Updated. Pages: %d" % (sistername, len(sisteritems)))
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237 except IOError, (title, code, msg, headers): # code e.g. 304
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238 logging.warning(u"Site: %s Status: Not updated." % sistername)
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239 logging.exception("exception was:")
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240 if current in sisteritems:
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241 url = sisteritems[current]
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242 items.append(('sisterwiki', url, sistername, ''))
63
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243 flaskg.clock.stop('navibar')
0
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244 return items
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245
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246 def parent_item(self, item_name):
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247 """
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248 Return name of parent item for the current item
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249
38
1d8e9b1153d6 docstrings: convert epydoc fields to rst/sphinx fields
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250 :rtype: unicode
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251 :returns: parent item name
0
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252 """
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253 parent_item_name = wikiutil.ParentItemName(item_name)
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254 if item_name and parent_item_name:
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255 return parent_item_name
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256
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257 # TODO: reimplement on-wiki-page sidebar definition with MoinMoin.converter
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258
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259 # Properties ##############################################################
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260
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261 def login_url(self):
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262 """
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263 Return URL usable for user login
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264
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265 :rtype: unicode (or None, if no login url is supported)
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266 :returns: url for user login
0
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267 """
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268 url = None
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269 if self.cfg.auth_login_inputs == ['special_no_input']:
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270 url = url_for('frontend.login', login=1)
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271 if self.cfg.auth_have_login:
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272 url = url or url_for('frontend.login')
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273 return url
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274
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275 def actions_menu_options(self, item_name):
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276 """
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277 Create actions menu list and items data dict
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278
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279 The menu will contain the same items always, but items that are
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280 not available will be disabled (some broken browsers will let
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281 you select disabled options though).
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282
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283 The menu should give best user experience for javascript
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284 enabled browsers, and acceptable behavior for those who prefer
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285 not to use Javascript.
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286
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287 :rtype: list
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288 :returns: options of actions menu
0
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289 """
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290 not_exists = not flaskg.storage.has_item(item_name)
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291 menu = [
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292 # title, internal name, endpoint, disabled
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293 (_('Global History'), 'global_history', 'frontend.global_history', False, ),
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294 (_('Global Items Index'), 'global_index', 'frontend.global_index', False, ),
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295 (_('Global Tags Index'), 'global_tags', 'frontend.global_tags', False, ),
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296 (_('Wanted Items'), 'wanted_items', 'frontend.wanted_items', False, ),
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297 (_('Orphaned Items'), 'orphaned_items', 'frontend.orphaned_items', False, ),
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298 # Translation may need longer or shorter separator:
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299 (_('-----------------------------------'), 'show', 'frontend.show_item', True),
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300 (_('What refers here?'), 'backrefs', 'frontend.backrefs', False, ),
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301 (_('Local Site Map'), 'sitemap', 'frontend.sitemap', not_exists, ),
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302 (_('Items with similar names'), 'similar_names', 'frontend.similar_names', False, ),
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303 (_('-----------------------------------'), 'show', 'frontend.show_item', True),
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304 (_('Copy Item'), 'copy', 'frontend.copy_item', not_exists, ),
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305 (_('Rename Item'), 'rename', 'frontend.rename_item', not_exists, ),
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306 (_('Delete Item'), 'delete', 'frontend.delete_item', not_exists, ),
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307 (_('Destroy Item'), 'destroy', 'frontend.destroy_item', not_exists, ),
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308 ]
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309 return [(title, disabled, endpoint)
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310 for title, action, endpoint, disabled in menu
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311 if action not in self.cfg.actions_excluded]
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312
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313
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314 def get_editor_info(rev, external=False):
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315 from MoinMoin.items import USERID, ADDRESS, HOSTNAME
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316 addr = rev.get(ADDRESS)
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317 hostname = rev.get(HOSTNAME)
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318 text = _('anonymous') # link text
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319 title = '' # link title
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320 css = 'editor' # link/span css class
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321 name = None # author name
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322 uri = None # author homepage uri
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323 email = None # pure email address of author
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324 if app.cfg.show_hosts and addr:
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325 # only tell ip / hostname if show_hosts is True
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326 if hostname:
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327 text = hostname[:15] # 15 = len(ipaddr)
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328 name = title = '%s[%s]' % (hostname, addr)
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329 css = 'editor host'
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330 else:
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331 name = text = addr
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332 title = '[%s]' % (addr, )
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333 css = 'editor ip'
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334
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335 userid = rev.get(USERID)
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336 if userid:
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337 u = user.User(userid)
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338 name = u.name
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339 text = name
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340 aliasname = u.aliasname
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341 if not aliasname:
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342 aliasname = name
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343 if title:
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344 # we already have some address info
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345 title = "%s @ %s" % (aliasname, title)
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346 else:
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347 title = aliasname
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348 if u.mailto_author and u.email:
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349 email = u.email
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350 css = 'editor mail'
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351 else:
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352 homewiki = app.cfg.user_homewiki
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353 if homewiki in ('Self', app.cfg.interwikiname):
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354 homewiki = u'Self'
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355 css = 'editor homepage local'
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356 uri = url_for('frontend.show_item', item_name=name, _external=external)
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357 else:
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358 css = 'editor homepage interwiki'
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359 wt, wu, tail, err = resolve_interwiki(homewiki, name)
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360 uri = join_wiki(wu, tail)
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361
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362 result = dict(name=name, text=text, css=css, title=title)
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363 if uri:
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364 result['uri'] = uri
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365 if email:
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366 result['email'] = email
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367 return result
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368
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369
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370 def shorten_item_name(name, length=25):
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371 """
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372 Shorten item names
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373
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374 Shorten very long item names that tend to break the user
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375 interface. The short name is usually fine, unless really stupid
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376 long names are used (WYGIWYD).
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377
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378 :param name: item name, unicode
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379 :param length: maximum length for shortened item names, int
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380 :rtype: unicode
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381 :returns: shortened version.
0
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382 """
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383 # First use only the sub page name, that might be enough
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384 if len(name) > length:
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385 name = name.split('/')[-1]
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386 # If it's not enough, replace the middle with '...'
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387 if len(name) > length:
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388 half, left = divmod(length - 3, 2)
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389 name = u'%s...%s' % (name[:half + left], name[-half:])
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390 return name
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391
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392
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393 def setup_jinja_env():
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394 app.jinja_env.filters['shorten_item_name'] = shorten_item_name
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395 # please note that these filters are installed by flask-babel:
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396 # datetimeformat, dateformat, timeformat, timedeltaformat
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397
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398 app.jinja_env.globals.update({
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399 # please note that flask-babel/jinja2.ext installs:
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400 # _, gettext, ngettext
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401 'isinstance': isinstance,
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402 'list': list,
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403 # please note that flask-themes installs:
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404 # theme, theme_static
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405 'theme_supp': ThemeSupport(app.cfg),
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406 'user': flaskg.user,
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407 'storage': flaskg.storage,
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408 'clock': flaskg.clock,
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409 'cfg': app.cfg,
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410 'item_name': 'handlers need to give it',
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411 'get_editor_info': lambda rev: get_editor_info(rev),
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412 })
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413