Mercurial > libervia-web
annotate src/server/blog.py @ 816:0fd4b81972c0
browser (params): reverted size change from commit f2a76ee020f6
author | Goffi <goffi@goffi.org> |
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date | Sat, 26 Dec 2015 14:17:29 +0100 |
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10 | 1 #!/usr/bin/python |
2 # -*- coding: utf-8 -*- | |
3 | |
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4 # Libervia: a Salut à Toi frontend |
685 | 5 # Copyright (C) 2011, 2012, 2013, 2014, 2015 Jérôme Poisson <goffi@goffi.org> |
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6 # Copyright (C) 2013, 2014, 2015 Adrien Cossa <souliane@mailoo.org> |
10 | 7 |
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8 # This program is free software: you can redistribute it and/or modify |
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9 # it under the terms of the GNU Affero General Public License as published by |
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10 # the Free Software Foundation, either version 3 of the License, or |
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11 # (at your option) any later version. |
10 | 12 |
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13 # This program is distributed in the hope that it will be useful, |
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 # GNU Affero General Public License for more details. |
10 | 17 |
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18 # You should have received a copy of the GNU Affero General Public License |
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
10 | 20 |
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21 from sat.core.i18n import _, D_ |
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22 from sat_frontends.tools.strings import addURLToText |
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23 from sat.core.log import getLogger |
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24 log = getLogger(__name__) |
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25 from sat.tools import common |
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26 from dbus.exceptions import DBusException |
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27 from twisted.internet import defer |
10 | 28 from twisted.web import server |
29 from twisted.web.resource import Resource | |
30 from twisted.words.protocols.jabber.jid import JID | |
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31 from jinja2 import Environment, PackageLoader |
10 | 32 from datetime import datetime |
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33 from sys import path |
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34 import uuid |
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35 import re |
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36 import os |
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37 |
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38 from libervia.server.html_tools import sanitizeHtml, convertNewLinesToXHTML |
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39 from libervia.server.constants import Const as C |
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40 |
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41 |
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42 NS_MICROBLOG = 'urn:xmpp:microblog:0' |
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43 |
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44 |
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45 class TemplateProcessor(object): |
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46 |
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47 THEME = 'default' |
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48 |
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49 def __init__(self, host): |
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50 self.host = host |
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51 |
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52 # add Libervia's themes directory to the python path |
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53 path.append(os.path.dirname(os.path.normpath(self.host.themes_dir))) |
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54 themes = os.path.basename(os.path.normpath(self.host.themes_dir)) |
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55 self.env = Environment(loader=PackageLoader(themes, self.THEME)) |
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56 |
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57 def useTemplate(self, request, tpl, data=None): |
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58 root_url = '../' * len(request.postpath) |
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59 theme_url = os.path.join(root_url, 'themes', self.THEME) |
10 | 60 |
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61 data_ = {'images': os.path.join(theme_url, 'images'), |
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62 'styles': os.path.join(theme_url, 'styles'), |
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63 } |
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64 if data: |
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65 data_.update(data) |
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66 |
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67 template = self.env.get_template('%s.html' % tpl) |
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68 return template.render(**data_).encode('utf-8') |
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69 |
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70 |
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71 class MicroBlog(Resource, TemplateProcessor): |
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72 isLeaf = True |
10 | 73 |
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74 def __init__(self, host): |
10 | 75 self.host = host |
76 Resource.__init__(self) | |
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77 TemplateProcessor.__init__(self, host) |
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78 self.host.bridge.register('entityDataUpdated', self.entityDataUpdatedHandler) |
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79 self.avatars_cache = {} |
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80 self.waiting_deferreds = {} |
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81 |
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82 def entityDataUpdatedHandler(self, entity_s, key, value, dummy): |
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83 """Retrieve the avatar we've been waiting for and fires the callback. |
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84 |
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85 @param entity_s (str): JID of the contact |
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86 @param key (str): entity data key |
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87 @param value (str): entity data value |
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88 @param dummy (str): that would be C.SERVICE_PROFILE |
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89 """ |
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90 if key != "avatar": |
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91 return |
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92 log.debug(_(u"Received a new avatar for entity %s") % entity_s) |
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93 |
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94 url = os.path.join(C.AVATARS_DIR, value) |
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95 self.avatars_cache[entity_s] = url |
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96 try: |
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97 self.waiting_deferreds[entity_s].callback(url) |
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98 del self.waiting_deferreds[entity_s] |
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99 except KeyError: |
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100 pass |
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101 |
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102 def getAvatarURL(self, pub_jid): |
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103 """Return avatar of a jid if in cache, else ask for it. |
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104 |
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105 @param pub_jid (JID): publisher JID |
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106 @return: deferred avatar URL (unicode) |
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107 """ |
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108 bare_jid_s = pub_jid.userhost() |
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109 try: |
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110 url = self.avatars_cache[bare_jid_s] |
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111 except KeyError: |
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112 self.avatars_cache[bare_jid_s] = '' # avoid to request the vcard several times |
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113 self.host.bridge.getCard(bare_jid_s, C.SERVICE_PROFILE) |
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114 d = defer.Deferred() |
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115 self.waiting_deferreds[bare_jid_s] = d |
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116 return d |
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117 return defer.succeed(url if url else C.DEFAULT_AVATAR_URL) |
10 | 118 |
119 def render_GET(self, request): | |
120 if not request.postpath: | |
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121 return self.useTemplate(request, "static_blog_error", {'message': "You must indicate a nickname"}) |
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122 |
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123 prof_requested = request.postpath[0] |
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124 #TODO : char check: only use alphanumeric chars + some extra(_,-,...) here |
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125 try: |
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126 prof_found = self.host.bridge.getProfileName(prof_requested) |
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127 except DBusException: |
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128 prof_found = None |
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129 if not prof_found or prof_found == C.SERVICE_PROFILE: |
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130 return self.useTemplate(request, "static_blog_error", {'message': "Invalid nickname"}) |
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131 |
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132 d = defer.Deferred() |
747 | 133 self.host.bridge.asyncGetParamA('JabberID', 'Connection', 'value', profile_key=prof_found, callback=d.callback, errback=d.errback) |
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134 d.addCallbacks(lambda pub_jid_s: self.gotJID(pub_jid_s, request, prof_found)) |
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135 return server.NOT_DONE_YET |
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136 |
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137 def gotJID(self, pub_jid_s, request, profile): |
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138 pub_jid = JID(pub_jid_s) |
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139 |
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140 self.parseURLParams(request) |
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141 if request.item_id: |
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142 item_ids = [request.item_id] |
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143 max_items = 1 |
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144 else: |
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145 item_ids = [] |
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146 max_items = int(request.extra_dict['rsm_max']) |
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147 |
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148 if request.atom: |
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149 self.host.bridge.mbGetAtom(pub_jid.userhost(), NS_MICROBLOG, max_items, item_ids, |
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150 request.extra_dict, C.SERVICE_PROFILE, |
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151 lambda feed: self.render_atom_feed(feed, request), |
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152 lambda failure: self.render_error_blog(failure, request, pub_jid)) |
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153 elif request.item_id: |
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154 self.getItemById(pub_jid, request.item_id, request.extra_dict, |
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155 request.extra_comments_dict, request, profile) |
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156 else: |
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157 self.getItems(pub_jid, max_items, request.extra_dict, |
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158 request.extra_comments_dict, request, profile) |
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159 |
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160 def parseURLParams(self, request): |
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161 """Parse the request URL parameters. |
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162 |
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163 @param request: HTTP request |
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164 """ |
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165 request.item_id = None |
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166 request.atom = False |
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167 |
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168 if len(request.postpath) > 1: |
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169 if request.postpath[1] == 'atom.xml': # return the atom feed |
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170 request.atom = True |
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171 else: |
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172 request.item_id = request.postpath[1] |
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173 |
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174 self.parseURLParamsRSM(request) |
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175 request.display_single = (request.item_id is not None) or int(request.extra_dict['rsm_max']) == 1 |
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176 self.parseURLParamsCommentsRSM(request) |
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177 |
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178 def parseURLParamsRSM(self, request): |
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179 """Parse RSM request data from the URL parameters for main items |
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180 |
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181 @param request: HTTP request |
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182 """ |
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183 request.extra_dict = {} |
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184 if request.item_id: # XXX: item_id and RSM are not compatible |
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185 return |
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186 try: |
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187 request.extra_dict['rsm_max'] = request.args['max'][0] |
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188 except (ValueError, KeyError): |
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189 request.extra_dict['rsm_max'] = unicode(C.RSM_MAX_ITEMS) |
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190 try: |
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191 request.extra_dict['rsm_index'] = request.args['index'][0] |
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192 except (ValueError, KeyError): |
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193 try: |
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194 request.extra_dict['rsm_before'] = request.args['before'][0] |
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195 except KeyError: |
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196 try: |
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197 request.extra_dict['rsm_after'] = request.args['after'][0] |
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198 except KeyError: |
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199 pass |
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200 |
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201 def parseURLParamsCommentsRSM(self, request): |
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202 """Parse RSM request data from the URL parameters for comments |
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203 |
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204 @param request: HTTP request |
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205 """ |
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206 request.extra_comments_dict = {} |
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207 if request.display_single: |
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208 try: |
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209 request.extra_comments_dict['rsm_max'] = request.args['comments_max'][0] |
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210 except (ValueError, KeyError): |
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211 request.extra_comments_dict['rsm_max'] = unicode(C.RSM_MAX_COMMENTS) |
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212 else: |
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213 request.extra_comments_dict['rsm_max'] = "0" |
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214 |
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215 def getItemById(self, pub_jid, item_id, extra_dict, extra_comments_dict, request, profile): |
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216 """ |
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217 |
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218 @param pub_jid (jid.JID): publisher JID |
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219 @param item_id(unicode): ID of the item to retrieve |
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220 @param extra_dict (dict): extra configuration for initial items only |
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221 @param extra_comments_dict (dict): extra configuration for comments only |
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222 @param request: HTTP request |
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223 @param profile |
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224 """ |
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225 |
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226 def gotItems(items): |
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227 items, metadata = items |
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228 item = items[0] # assume there's only one item |
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229 |
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230 def gotCount(items_bis): |
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231 metadata_bis = items_bis[1] |
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232 metadata['rsm_count'] = metadata_bis['rsm_count'] |
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233 index_key = "rsm_index" if metadata_bis.get("rsm_index") else "rsm_count" |
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234 metadata['rsm_index'] = unicode(int(metadata_bis[index_key]) - 1) |
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235 metadata['rsm_first'] = metadata['rsm_last'] = item["id"] |
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236 |
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237 def gotComments(comments): |
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238 # build the items as self.getItems would do it (and as self.render_html_blog expects them to be) |
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239 comments = [(item['comments_service'], item['comments_node'], "", comments[0], comments[1])] |
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240 self.render_html_blog([(item, comments)], metadata, request, pub_jid, profile) |
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242 # get the comments |
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243 max_comments = int(extra_comments_dict['rsm_max']) |
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244 self.host.bridge.mbGet(item['comments_service'], item['comments_node'], max_comments, [], |
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245 extra_comments_dict, C.SERVICE_PROFILE, callback=gotComments) |
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246 |
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247 # XXX: retrieve RSM information related to the main item. We can't do it while |
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248 # retrieving the item, because item_ids and rsm should not be used together. |
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249 self.host.bridge.mbGet(pub_jid.userhost(), NS_MICROBLOG, 1, [], |
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250 {"rsm_max": "1", "rsm_after": item["id"]}, C.SERVICE_PROFILE, callback=gotCount) |
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251 |
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252 # get the main item |
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253 self.host.bridge.mbGet(pub_jid.userhost(), NS_MICROBLOG, 1, [item_id], |
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254 extra_dict, C.SERVICE_PROFILE, callback=gotItems) |
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255 |
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256 def getItems(self, pub_jid, max_items, extra_dict, extra_comments_dict, request, profile): |
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257 """ |
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258 |
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259 @param pub_jid (jid.JID): publisher JID |
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260 @param max_items(int): maximum number of item to get, C.NO_LIMIT for no limit |
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261 @param extra_dict (dict): extra configuration for initial items only |
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262 @param extra_comments_dict (dict): extra configuration for comments only |
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263 @param request: HTTP request |
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264 @param profile |
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265 """ |
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266 def getResultCb(data, rt_session): |
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267 remaining, results = data |
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268 for result in results: |
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269 service, node, failure, items, metadata = result |
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270 if not failure: |
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271 self.render_html_blog(items, metadata, request, pub_jid, profile) |
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272 |
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273 if remaining: |
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274 self._getResults(rt_session) |
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275 |
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276 def getResult(rt_session): |
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277 self.host.bridge.mbGetFromManyWithCommentsRTResult(rt_session, C.SERVICE_PROFILE, |
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278 callback=lambda data: getResultCb(data, rt_session), |
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279 errback=lambda failure: self.render_error_blog(failure, request, pub_jid)) |
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280 |
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281 max_comments = int(extra_comments_dict['rsm_max']) |
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282 self.host.bridge.mbGetFromManyWithComments(C.JID, [pub_jid.userhost()], max_items, |
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283 max_comments, extra_dict, extra_comments_dict, |
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284 C.SERVICE_PROFILE, callback=getResult) |
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285 |
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286 def render_html_blog(self, items, metadata, request, pub_jid, profile): |
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287 """Retrieve the user parameters before actually rendering the static blog |
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288 |
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289 @param items(list[tuple(dict, list)]): same as in self.__render_html_blog |
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290 @param metadata(dict): original node metadata |
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291 @param request: HTTP request |
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292 @param pub_jid (JID): publisher JID |
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293 @param profile (unicode): %(doc_profile)s |
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294 """ |
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295 d_list = [] |
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296 options = {} |
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297 |
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298 def getCallback(param_name): |
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299 d = defer.Deferred() |
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300 d.addCallback(lambda value: options.update({param_name: value})) |
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301 d_list.append(d) |
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302 return d.callback |
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303 |
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304 eb = lambda failure: self.render_error_blog(failure, request, pub_jid) |
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305 |
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306 self.getAvatarURL(pub_jid).addCallbacks(getCallback('avatar'), eb) |
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307 for param_name in (C.STATIC_BLOG_PARAM_TITLE, C.STATIC_BLOG_PARAM_BANNER, C.STATIC_BLOG_PARAM_KEYWORDS, C.STATIC_BLOG_PARAM_DESCRIPTION): |
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308 self.host.bridge.asyncGetParamA(param_name, C.STATIC_BLOG_KEY, 'value', C.SERVER_SECURITY_LIMIT, profile, callback=getCallback(param_name), errback=eb) |
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309 |
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310 cb = lambda dummy: self.__render_html_blog(items, metadata, options, request, pub_jid) |
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311 defer.DeferredList(d_list).addCallback(cb) |
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312 |
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313 def __render_html_blog(self, items, metadata, options, request, pub_jid): |
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314 """Actually render the static blog. |
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315 |
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316 If mblog_data is a list of dict, we are missing the comments items so we just |
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317 display the main items. If mblog_data is a list of couple, each couple is |
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318 associating a main item data with the list of its comments, so we render all. |
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319 |
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320 @param items(list[tuple(dict, list)]): list of 2-tuple with |
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321 - item(dict): item microblog data |
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322 - comments_list(list[tuple]): list of 5-tuple with |
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323 - service (unicode): pubsub service where the comments node is |
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324 - node (unicode): comments node |
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325 - failure (unicode): empty in case of success, else error message |
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326 - comments(list[dict]): list of microblog data |
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327 - comments_metadata(dict): metadata of the comment node |
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328 @param metadata(dict): original node metadata |
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329 @param options: dict defining the blog's parameters |
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330 @param request: the HTTP request |
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331 @param pub_jid (JID): publisher JID |
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332 """ |
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333 if not isinstance(options, dict): |
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334 options = {} |
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335 user = sanitizeHtml(pub_jid.user) |
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336 root_url = '../' * len(request.postpath) |
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337 base_url = root_url + 'blog/' + user |
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338 |
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339 def getOption(key): |
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340 return sanitizeHtml(options[key]) if key in options else '' |
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341 |
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342 def getImageParams(key, default, alt): |
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343 """regexp from http://answers.oreilly.com/topic/280-how-to-validate-urls-with-regular-expressions/""" |
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344 url = options[key] if key in options else '' |
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345 regexp = r"^(https?|ftp)://[a-z0-9-]+(\.[a-z0-9-]+)+(/[\w-]+)*/[\w-]+\.(gif|png|jpg)$" |
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346 if re.match(regexp, url): |
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347 url = url |
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348 else: |
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349 url = default |
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350 return BlogImage(url, alt) |
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351 |
702
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352 avatar = os.path.normpath(root_url + getOption('avatar')) |
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353 title = getOption(C.STATIC_BLOG_PARAM_TITLE) or user |
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354 data = {'base_url': base_url, |
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355 'keywords': getOption(C.STATIC_BLOG_PARAM_KEYWORDS), |
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356 'description': getOption(C.STATIC_BLOG_PARAM_DESCRIPTION), |
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357 'title': title, |
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358 'favicon': avatar, |
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359 'banner_img': getImageParams(C.STATIC_BLOG_PARAM_BANNER, avatar, title) |
704
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360 } |
586
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361 |
725
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362 items.sort(key=lambda entry: (-float(entry[0].get('updated', 0)))) |
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363 |
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364 data['navlinks'] = NavigationLinks(request, items, metadata, base_url) |
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365 data['messages'] = [] |
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366 for item in items: |
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367 item, comments_list = item |
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368 comments, comments_count = [], 0 |
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369 for node_comments in comments_list: |
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370 comments.extend(node_comments[3]) |
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371 try: |
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372 comments_count += int(node_comments[4]['rsm_count']) |
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373 except KeyError: |
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374 pass |
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375 data['messages'].append(BlogMessage(request, base_url, item, comments, comments_count)) |
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376 |
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377 request.write(self.useTemplate(request, 'static_blog', data)) |
10 | 378 request.finish() |
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379 |
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380 def render_atom_feed(self, feed, request): |
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381 request.write(feed.encode('utf-8')) |
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382 request.finish() |
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383 |
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384 def render_error_blog(self, error, request, pub_jid): |
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385 request.write(self.useTemplate(request, "static_blog_error", {'message': "Can't access requested data"})) |
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386 request.finish() |
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387 |
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388 |
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389 class NavigationLinks(object): |
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390 |
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391 def __init__(self, request, items, rsm_data, base_url): |
704
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392 """Build the navigation links. |
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393 |
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394 @param items (list): list of items |
704
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395 @param rsm_data (dict): rsm data |
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396 @param base_url (unicode): the base URL for this user's blog |
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397 @return: dict |
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398 """ |
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399 for key in ('later_message', 'later_messages', 'older_message', 'older_messages'): |
725
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400 count = int(rsm_data.get('rsm_count', 0)) |
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401 setattr(self, key, '') # key must exist when using the template |
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402 if count <= 0 or (request.display_single == key.endswith('s')): |
704
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403 continue |
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404 |
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405 index = int(rsm_data['rsm_index']) |
704
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406 |
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407 link_data = {'base_url': base_url, 'suffix': ''} |
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408 |
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409 if key.startswith('later_message'): |
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410 if index <= 0: |
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411 continue |
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412 link_data['item_id'] = rsm_data['rsm_first'] |
704
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413 link_data['post_arg'] = 'before' |
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414 else: |
725
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415 if index + len(items) >= count: |
704
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416 continue |
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417 link_data['item_id'] = rsm_data['rsm_last'] |
704
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418 link_data['post_arg'] = 'after' |
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419 |
708
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420 if request.display_single: |
704
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421 link_data['suffix'] = '&max=1' |
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diff
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|
422 |
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423 link = "%(base_url)s?%(post_arg)s=%(item_id)s%(suffix)s" % link_data |
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424 |
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425 setattr(self, key, BlogLink(link, key, key.replace('_', ' '))) |
704
5319110a862c
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426 |
712
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diff
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|
427 |
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428 class BlogImage(object): |
704
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|
429 |
712
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430 def __init__(self, url_, alt): |
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431 self.url = url_ |
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432 self.alt = alt |
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|
433 |
704
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434 |
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435 class BlogLink(object): |
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436 |
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437 def __init__(self, url_, style, text): |
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438 self.url = url_ |
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439 self.style = style |
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|
440 self.text = text |
704
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diff
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|
441 |
5319110a862c
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|
442 |
712
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|
443 class BlogMessage(object): |
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444 |
725
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parents:
717
diff
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|
445 def __init__(self, request, base_url, entry, comments=None, comments_count=0): |
712
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446 """ |
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|
447 |
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448 @param request: HTTP request |
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449 @param base_url (unicode): the base URL |
725
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parents:
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diff
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450 @param entry(dict): item microblog data |
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diff
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451 @param comments(list[dict]): list of microblog data |
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452 @param comments_count (int): total number of comments |
712
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|
453 """ |
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|
454 timestamp = float(entry.get('published', 0)) |
746
25984ca4aef2
server side: special handling of Connection/JabberID and Connection/autoconnect parameter which has needed by QuickApp but restricted by security limit
Goffi <goffi@goffi.org>
parents:
743
diff
changeset
|
455 |
725
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456 # FIXME: for now we assume that the comments' depth is only 1 |
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|
457 is_comment = not entry.get('comments', False) |
712
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458 |
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459 self.date = datetime.fromtimestamp(timestamp) |
725
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|
460 self.type = "comment" if is_comment else "main_item" |
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|
461 self.style = 'mblog_comment' if is_comment else '' |
712
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462 self.content = self.getText(entry, 'content') |
704
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463 |
712
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464 if is_comment: |
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465 self.author = (_("from %s") % entry['author']) |
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466 else: |
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467 self.author = ' ' |
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468 self.url = (u"%s/%s" % (base_url, entry['id'])) |
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469 self.title = self.getText(entry, 'title') |
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470 self.tags = list(common.dict2iter('tag', entry)) |
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471 |
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472 count_text = lambda count: D_('comments') if count > 1 else D_('comment') |
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473 |
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474 self.comments_text = "%s %s" % (comments_count, count_text(comments_count)) |
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475 |
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476 delta = comments_count - len(comments) |
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477 if request.display_single and delta > 0: |
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478 prev_url = "%s?comments_max=%s" % (self.url, unicode(comments_count)) |
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479 prev_text = D_("show %(count)d previous %(comments)s") % \ |
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480 {'count': delta, 'comments': count_text(delta)} |
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481 self.all_comments_link = BlogLink(prev_url, "comments_link", prev_text) |
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482 |
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483 if comments: |
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484 comments.sort(key=lambda comment: float(comment.get('published', 0))) |
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485 self.comments = [BlogMessage(request, base_url, comment) for comment in comments] |
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486 |
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487 def getText(self, entry, key): |
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488 if ('%s_xhtml' % key) in entry: |
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489 return entry['%s_xhtml' % key] |
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490 elif key in entry: |
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491 processor = addURLToText if key.startswith('content') else sanitizeHtml |
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492 return convertNewLinesToXHTML(processor(entry[key])) |
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493 return None |