Mercurial > hg > bitsyblog
annotate bitsyblog/bitsyblog.py @ 70:f6a6a4b072e7
complete overhaul to allow event handlers
author | Jeff Hammel <jhammel@mozilla.com> |
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date | Wed, 07 Jul 2010 16:18:19 -0700 |
parents | 0f25fe665367 |
children | 0c98d1c2c6df |
rev | line source |
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1 """ |
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2 a tiny tiny blog. |
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3 this is the view class and is more bitsyblog than anything |
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4 else can claim to be |
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5 """ |
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6 |
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7 ### global variables |
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8 |
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9 ### imports |
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10 |
28 | 11 import dateutil.parser |
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12 |
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13 import cgi |
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14 import datetime |
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15 import docutils |
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16 import docutils.core |
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17 import inspect |
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18 import os |
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19 import PyRSS2Gen |
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20 import re |
4 | 21 |
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22 import utils |
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23 |
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24 from blog import FileBlog |
4 | 25 from cStringIO import StringIO |
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26 from docutils.utils import SystemMessage |
15 | 27 from genshi.builder import Markup |
9 | 28 from genshi.template import TemplateLoader |
58 | 29 from paste.fileapp import FileApp |
6 | 30 from pkg_resources import resource_filename |
58 | 31 from StringIO import StringIO |
15 | 32 from urlparse import urlparse |
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33 from webob import Request, Response, exc |
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34 |
59 | 35 from roles import roles |
36 | |
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37 ### exceptions |
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38 |
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39 class BlogPathException(Exception): |
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40 """exception when trying to retrieve the blog""" |
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41 |
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42 ### the main course |
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43 |
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44 class BitsyBlog(object): |
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45 """a very tiny blog""" |
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46 |
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47 ### class level variables |
58 | 48 defaults = { 'date_format': '%H:%M %F', # default date format |
49 'file_dir': os.path.dirname(__file__), # where the blog is kept | |
50 'subject': '[ %(date)s ]:', # default subject | |
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51 'n_links': 5, # number of links for navigation |
58 | 52 'site_name': 'bitsyblog', # name of the site (needed?) |
53 'header': None, # text to insert as first child of body' | |
54 'template_directories': '', # space separated template_directories | |
55 'auto_reload': 'True', # reload the genshi templates | |
56 'help_file': None, # help to display | |
57 'feed_items': 10, # number of RSS/atom items to display | |
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58 } |
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59 |
15 | 60 |
61 cooked_bodies = {} | |
62 | |
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63 def __init__(self, kw, handler_args): |
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64 for key in self.defaults: |
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65 setattr(self, key, kw.get(key, self.defaults[key])) |
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66 self.n_links = int(self.n_links) # could be a string from the .ini |
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67 self.response_functions = { 'GET': self.get, |
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68 'POST': self.post, |
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69 'PUT': self.put |
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70 } |
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71 |
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72 # abstract attributes |
59 | 73 from user import FilespaceUsers |
74 | |
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75 self.users = FilespaceUsers(self.file_dir) |
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76 self.blog = FileBlog(self, self.file_dir) |
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77 self.cooker = self.restructuredText |
58 | 78 self.feed_items = int(self.feed_items) |
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79 |
9 | 80 # template renderer |
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81 self.auto_reload = self.auto_reload.lower()=='true' |
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82 self.template_directories = self.template_directories.split() # no spaces in directory names, for now |
63 | 83 |
84 for directory in self.template_directories: | |
85 assert os.path.isdir(directory), "Bitsyblog template directory %s does not exist!" % directory | |
86 | |
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87 self.template_directories.append(resource_filename(__name__, 'templates')) |
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88 self.loader = TemplateLoader(self.template_directories, |
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89 auto_reload=self.auto_reload) |
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90 |
9 | 91 |
92 # helpfile | |
3 | 93 if self.help_file and os.path.exists(self.help_file): |
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94 help = file(self.help_file).read() |
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95 self.help = docutils.core.publish_string(help, |
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96 writer_name='html', |
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97 settings_overrides={'report_level': 5}) |
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98 |
50 | 99 # header |
100 if self.header: | |
51 | 101 if os.path.exists(self.header): |
102 self.header = file(self.header).read() | |
50 | 103 self.header = Markup(self.header) |
104 | |
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105 # for BitsyAuth |
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106 self.newuser = self.users.new |
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107 |
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108 # post handlers |
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109 self.handlers = [] # handlers for blog post event |
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110 for entry_point in iter_entry_points('bitsyblog.listeners'): |
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111 try: |
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112 handler = entry_point.load()(self, **handler_args.get(entry_point.name, {})) |
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113 self.handlers.append(handler) |
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114 except: |
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115 print 'Cant load entry point %s' entry_point.name |
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116 continue |
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117 |
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118 |
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119 ### methods dealing with HTTP |
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120 |
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121 def __call__(self, environ, start_response): |
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122 request = Request(environ) |
27 | 123 |
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124 # genshi data dictionary |
27 | 125 request.environ['data'] = { 'site_name': self.site_name, |
126 'request': request, | |
127 'link': self.link, | |
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128 'logo': self.logo(request), |
50 | 129 'header': self.header, |
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130 'user_url': self.user_url, |
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131 'permalink': self.permalink } |
27 | 132 |
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133 res = self.response_functions.get(request.method, self.error())(request) |
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134 return res(environ, start_response) |
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135 |
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136 def get_response(self, text, content_type='text/html'): |
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137 # XXX to deprecate |
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138 res = Response(content_type=content_type, body=text) |
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139 return res |
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140 |
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141 def logo(self, request): |
34 | 142 """link to the logo""" |
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143 _logo = 'bitsyblog.png' # TODO: should go to self.logo |
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144 logo = os.path.join(self.file_dir, _logo) |
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145 if os.path.exists(logo): |
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146 return self.link(request, _logo) |
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147 |
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148 def get_index(self, request): |
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149 """returns material pertaining to the root of the site""" |
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150 |
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151 path = request.path_info.strip('/') |
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152 n_links = self.number_of_links(request) |
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153 |
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154 ### the front page |
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155 if not path: |
58 | 156 return Response(content_type='text/html', body=self.index(request, n_links)) |
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157 |
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158 ### feeds |
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159 |
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160 n_posts = self.number_of_posts(request) |
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161 |
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162 # site rss |
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163 if path == 'rss': |
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164 if n_posts is None: |
58 | 165 n_posts = self.feed_items |
166 return Response(content_type='text/xml', body=self.site_rss(request, n_posts)) | |
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167 |
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168 # site atom |
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169 if path == 'atom': |
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170 if n_posts is None: |
58 | 171 n_posts = self.feed_items |
172 return Response(content_type='text/xml', body=self.atom(request, self.blog.latest(self.users.users(), n_posts))) | |
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173 |
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174 ### help |
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175 if path == 'help' and hasattr(self, 'help'): |
58 | 176 return Response(content_type='text/html', body=self.help) |
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177 |
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178 ### static files |
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179 |
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180 # site.css |
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181 if path == 'css/site.css': |
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182 css_file = os.path.join(self.file_dir, 'site.css') |
58 | 183 return FileApp(css_file) |
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184 |
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185 # logo |
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186 if path == 'bitsyblog.png': |
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187 logo = os.path.join(self.file_dir, 'bitsyblog.png') |
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188 if not self.logo(request): |
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189 raise exc.HTTPNotFound |
58 | 190 return FileApp(logo) |
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191 |
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192 def get_user_space(self, user, path, request): |
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193 """returns a part of the user space""" |
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194 |
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195 # request.user = self.users[user] # user whose blog is viewed |
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196 check = self.check_user(user, request) # is this the authenticated user? |
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197 |
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198 feed = None # not an rss/atom feed by default (flag) |
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199 n_posts = self.number_of_posts(request, user) |
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200 |
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201 # special paths |
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202 if path == [ 'post' ]: |
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203 if check is not None: |
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204 return check |
58 | 205 return Response(content_type='text/html', body=self.form_post(request, user)) |
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206 |
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207 if path == [ 'preferences' ]: |
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208 if check is not None: |
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209 return check |
58 | 210 return Response(content_type='text/html', body=self.preferences(request, user)) |
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211 |
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212 if path == [ 'rss' ]: |
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213 feed = 'rss' |
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214 path = [] |
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215 if n_posts is None: |
58 | 216 n_posts = self.feed_items # TODO: allow to be configurable |
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217 |
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218 if path == [ 'atom' ]: |
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219 feed = 'atom' |
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220 path = [] |
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221 if n_posts is None: |
58 | 222 n_posts = self.feed_items # TODO: allow to be configurable |
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223 |
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224 if len(path) == 2: |
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225 if path[0] == 'css': |
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226 for i in request.user.settings['CSS']: |
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227 # find the right CSS file |
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228 if i['filename'] == path[1]: |
58 | 229 return Response(content_type='text/css', body=i['css']) |
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230 else: |
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231 return exc.HTTPNotFound('CSS "%s" not found' % path[1]) |
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232 |
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233 role = self.role(user, request) |
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234 |
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235 # get the blog |
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236 try: |
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237 blog = self.get_blog(user, path, role, n_items=n_posts) |
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238 except BlogPathException, e: |
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239 return exc.HTTPNotFound(str(e)) |
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240 except exc.HTTPException, e: |
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241 return e.wsgi_response |
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242 |
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243 if feed == 'rss': |
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244 content = self.rss(request, user, blog) # XXX different signatures |
58 | 245 return Response(content_type='text/xml', body=content) |
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246 |
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247 if feed == 'atom': |
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248 content = self.atom(request, blog, user) # XXX different signatures |
58 | 249 return Response(content_type='text/xml', body=content) |
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250 |
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251 # reverse the blog if necessary |
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252 if request.GET.get('sort') == 'forward': |
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253 blog = list(reversed(blog)) |
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254 |
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255 n_links = self.number_of_links(request, user) |
0
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256 |
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257 # write the blog |
58 | 258 if request.GET.get('format') == 'text': |
259 content = self.text_blog(blog) | |
260 content_type = 'text/plain' | |
261 else: | |
262 content = self.write_blog(user, blog, request.path_info, n_links, request) | |
263 content_type = 'text/html' | |
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264 |
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265 # return the content |
58 | 266 return Response(content_type=content_type, body=content) |
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267 |
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268 def get(self, request): |
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269 """ |
58 | 270 respond to a get request |
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271 """ |
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272 |
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273 # front matter of the site |
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274 index = self.get_index(request) |
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275 if index is not None: |
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276 return index |
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277 |
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278 ### user space |
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279 user, path = self.userpath(request) |
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280 return self.get_user_space(user, path, request) |
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281 |
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282 def post(self, request): |
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283 """ |
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284 write a blog entry and other POST requests |
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285 """ |
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286 |
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287 # find user + path |
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288 user, path = self.userpath(request) |
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289 |
23 | 290 # check to make sure the user is authenticated |
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291 # and is the resource owner |
23 | 292 check = self.check_user(user, request) |
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293 if check is not None: |
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294 return check |
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295 |
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296 if len(path): |
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297 |
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298 if path == [ 'preferences' ]: |
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299 |
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300 # make the data look like we want |
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301 settings = {} |
9 | 302 settings['Date format'] = request.POST.get('Date format') |
303 settings['Subject'] = '%(date)s'.join((request.POST['Subject-0'], request.POST['Subject-2'])) | |
304 settings['Stylesheet'] = request.POST['Stylesheet'] | |
305 settings['CSS file'] = request.POST.get('CSS file') | |
306 settings['Friends'] = ', '.join(request.POST.getall('Friends')) | |
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307 |
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308 errors = self.users.write_settings(user, **settings) |
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309 if errors: # re-display form with errors |
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310 return self.get_response(self.preferences(request, user, errors)) |
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311 |
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312 return self.get_response(self.preferences(request, user, message='Changes saved')) |
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313 elif len(path) == 1 and self.isentry(path[0]): |
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314 entry = self.blog.entry(user, path[0], roles['author']) |
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315 if entry is None: |
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316 return exc.HTTPNotFound("Blog entry %s not found %s" % path[0]) |
9 | 317 privacy = request.POST.get('privacy') |
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318 datestamp = entry.datestamp() |
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319 if privacy: |
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320 self.blog.delete(user, datestamp) |
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321 self.blog.post(user, datestamp, entry.body, privacy) |
23 | 322 return exc.HTTPSeeOther("Settings updated", location=self.user_url(request, user, datestamp)) |
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323 else: |
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324 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
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325 |
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326 # get the body of the post |
9 | 327 body = request.body |
328 body = request.POST.get('form-post', body) | |
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329 body = body.strip() |
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330 if not body: |
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331 return exc.HTTPSeeOther("Your post has no content! No blog for you", |
23 | 332 location=self.user_url(request, user, 'post')) |
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333 |
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334 # determine if the post is secret or private |
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335 privacy = request.GET.get('privacy') or request.POST.get('privacy') or 'public' |
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336 |
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337 # write the file |
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338 now = utils.datestamp(datetime.datetime.now()) |
23 | 339 location = self.user_url(request, user, now) |
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340 blog_entry = self.blog.post(user, now, body, privacy) |
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341 |
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342 # fire event handlers |
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343 # XXX could be done asynchronously |
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344 for handler in self.handlers: |
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345 handler(blog_entry) |
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346 |
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347 # point the user at the post |
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348 return exc.HTTPSeeOther("Post blogged by bitsy", location=location) |
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349 |
9 | 350 def put(self, request): |
0
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351 """ |
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352 PUT several blog entries from a file |
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353 """ |
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354 |
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355 # find user + path |
9 | 356 user, path = self.userpath(request) |
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357 |
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358 if user not in self.users.users(): |
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359 return exc.HTTPNotFound("No blog found for %s" % user) |
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360 |
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361 if len(path): |
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362 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
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363 |
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364 # find the dates + entries in the file |
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365 regex = '\[.*\]:' |
9 | 366 entries = re.split(regex, request.body)[1:] |
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367 dates = [ date.strip().strip(':').strip('[]').strip() |
9 | 368 for date in re.findall(regex, request.body) ] |
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369 dates = [ dateutil.parser.parse(date) for date in dates ] |
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370 |
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371 # write to the blog |
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372 for i in range(len(entries)): |
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373 datestamp = utils.datestamp(dates[i]) |
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374 self.blog.post(user, datestamp, entries[i], 'public') |
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375 |
6 | 376 return exc.HTTPOk("%s posts blogged" % len(entries)) |
0
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377 |
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378 |
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379 def error(self): |
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380 """deal with non-supported methods""" |
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381 methods = ', '.join(self.response_functions.keys()[:1]) |
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382 methods += ' and %s' % self.response_functions.keys()[-1] |
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383 return exc.HTTPMethodNotAllowed("Only %s operations are allowed" % methods) |
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384 |
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385 ### auth/auth functions |
0
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386 |
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387 def passwords(self): |
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388 return self.users.passwords() |
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389 |
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390 def authenticated(self, request): |
0
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391 """return authenticated user""" |
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392 # XXX needed? |
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393 return request.environ.get('REMOTE_USER') |
0
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394 |
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395 def check_user(self, user, request): |
0
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396 """ |
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397 determine authenticated user |
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398 returns None on success |
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399 """ |
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400 authenticated = self.authenticated(request) |
0
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401 if authenticated is None: |
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402 return exc.HTTPUnauthorized('Unauthorized') |
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403 elif user != authenticated: |
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404 return exc.HTTPForbidden("Forbidden") |
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405 |
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406 def role(self, user, request): |
0
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407 """ |
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408 determine what role the authenticated member has |
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409 with respect to the user |
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410 """ |
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411 auth = self.authenticated(request) |
0
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412 if not auth: |
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413 return 'public' |
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414 if auth == user: |
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415 return 'author' |
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416 else: |
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417 if auth in request.user.settings['Friends']: |
0
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418 return 'friend' |
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419 else: |
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420 return 'public' |
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421 |
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422 ### user methods |
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423 |
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424 def userpath(self, request): |
0
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425 """user who's blog one is viewing""" |
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426 path = request.path_info.strip('/').split('/') |
0
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427 name = path[0] |
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428 path = path[1:] |
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429 if name: |
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430 if name not in self.users: |
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431 exc.HTTPNotFound("No blog found for %s" % name) |
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432 request.user = self.users[name] |
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433 else: |
0
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434 name = None |
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435 return name, path |
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436 |
34 | 437 ### methods for linking and URLs |
0
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438 |
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439 def link(self, request, path='', permanant=False): |
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440 if isinstance(path, basestring): |
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441 path = [ path ] |
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442 if not path: |
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443 path = [''] |
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444 path = [ i.strip('/') for i in path ] |
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445 if permanant: |
15 | 446 application_url = request.application_url |
0
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447 else: |
15 | 448 |
449 application_url = urlparse(request.application_url)[2] | |
450 path = [ application_url ] + list(path) | |
451 return '/'.join(path) | |
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452 |
15 | 453 def user_url(self, request, user, *args, **kw): |
454 """link to a user resource""" | |
455 permalink = kw.get('permalink', False) | |
456 path = [ user ] | |
457 path.extend(args) | |
458 return self.link(request, path, permalink) | |
459 | |
460 def permalink(self, request, blogentry): | |
461 """permalink for a blog entry""" | |
462 return self.user_url(request, blogentry.user, blogentry.datestamp(), permalink=True) | |
0
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463 |
9 | 464 def mangledurl(self, request, blogentry): |
15 | 465 """return a mangled url for obfuscated sharing""" |
9 | 466 return self.user_url(request, blogentry.user, 'x%x' % (int(blogentry.datestamp()) * self.users.secret(blogentry.user)), permalink=True) |
0
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467 |
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468 def unmangleurl(self, url, user): |
15 | 469 """unmangle a url for obfuscated sharing""" |
0
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470 url = url.strip('x') |
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471 try: |
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472 value = int(url, 16) |
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473 except ValueError: |
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474 return None |
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475 |
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476 # XXX once one has a mangled url, one can obtain the secret |
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477 value /= self.users.secret(user) |
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478 |
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479 entry = str(value) |
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480 if self.isentry(entry): |
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481 return self.blog.entry(user, entry, ['public', 'secret', 'private']) |
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482 |
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483 ### blog retrival methods |
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484 |
15 | 485 def isentry(self, string): # TODO -> blog.py |
486 """returns whether the string is a blog entry""" | |
487 return (len(string) == len(''.join(utils.timeformat))) and string.isdigit() | |
488 | |
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489 def number_of_posts(self, request, user=None): |
0
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490 """return the number of blog posts to display""" |
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491 # determine number of posts to display (None -> all) |
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492 n_posts = request.GET.get('posts', None) |
0
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493 if n_posts is not None: |
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494 try: |
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495 n_posts = int(n_posts) |
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496 if n_links > 0 and n_links > n_posts: |
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497 n_links = n_posts # don't display more links than posts |
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498 except (TypeError, ValueError): |
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499 n_posts = None |
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500 return n_posts |
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501 |
7
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502 def number_of_links(self, request, user=None): |
0
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503 """return the number of links to display in the navigation""" |
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504 n_links = request.GET.get('n') |
0
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505 if n_links == 'all': |
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506 return -1 |
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507 try: |
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508 n_links = int(n_links) |
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509 except (TypeError, ValueError): |
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510 n_links = self.n_links |
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511 return n_links |
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512 |
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513 def get_blog(self, user, path, role='public', n_items=None): |
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514 """retrieve the blog entry based on the path""" |
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515 |
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516 notfound = "blog entry not found" |
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517 |
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518 # get permissions |
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519 allowed = roles[role] |
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520 |
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521 # entire blog |
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522 if not path: |
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523 return self.blog(user, allowed, n_items) |
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524 |
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525 # mangled urls |
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526 if len(path) == 1 and path[0].startswith('x'): |
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527 entry = self.unmangleurl(path[0], user) |
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528 if entry: |
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529 return [ entry ] |
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530 else: |
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531 raise BlogPathException(notfound) |
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532 |
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533 # individual blog entry |
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534 if (len(path) == 1) and self.isentry(path[0]): |
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535 blog = self.blog.entry(user, path[0], allowed) |
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536 if not blog: |
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537 raise BlogPathException(notfound) |
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538 return [ blog ] |
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539 |
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540 # parse the path into a date path |
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541 n_date_vals = 3 # year, month, date |
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542 if len(path) > n_date_vals: |
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543 raise BlogPathException(notfound) |
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544 |
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545 # ensure the path conforms to expected values (ints): |
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546 try: |
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547 [ int(i) for i in path] |
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548 except ValueError: |
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549 raise BlogPathException(notfound) |
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550 |
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551 # get the blog |
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552 return self.blog.entries(user, allowed, *path) |
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553 |
34 | 554 ### methods for markup |
0
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555 |
17 | 556 def stylesheets(self, request): |
557 user = getattr(request, 'user', None) | |
558 if user: | |
559 stylesheets = request.user['CSS'] | |
560 stylesheets = [ (self.user_url(request, user.name, 'css', css['filename']), | |
561 css['name']) for css in stylesheets ] | |
562 else: | |
563 stylesheets = [(self.link(request, "css/site.css"), "Default")] | |
564 return stylesheets | |
565 | |
566 | |
7
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567 def site_nav(self, request): |
0
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568 """returns HTML for site navigation""" |
15 | 569 |
29
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570 links = [(self.link(request), '/')] |
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571 user = self.authenticated(request) |
0
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572 if user: |
15 | 573 links.extend([(self.user_url(request, user), user), |
20
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574 (self.user_url(request, user, 'post'), 'post'), |
15 | 575 (self.user_url(request, user, 'preferences'), 'preferences'), |
576 (self.link(request, 'logout'), 'logout')]) | |
0
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577 else: |
15 | 578 links.extend([(self.link(request, 'login'), 'login'), |
579 (self.link(request, 'join'), 'join')]) | |
0
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580 |
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581 if hasattr(self, 'help'): |
15 | 582 links.append((self.link(request, 'help'), 'help')) |
0
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583 |
15 | 584 request.environ['data']['links'] = links |
585 | |
0
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586 |
19
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587 def index(self, request, n_links): |
20
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588 data = request.environ['data'] |
31
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589 data['n_links'] = n_links |
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590 self.site_nav(request) |
31
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591 |
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diff
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592 # get the blogs |
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593 blogs = {} |
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594 for user in self.users: |
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595 blog = self.blog(user, ('public',), n_links) |
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596 if blog: |
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597 blogs[user] = blog |
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598 users = blogs.keys() |
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599 |
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600 # display latest active user first |
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601 users.sort(key=lambda user: blogs[user][0].date, reverse=True) |
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602 |
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603 data['blogs'] = blogs |
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604 data['users'] = users |
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605 data['date_formats'] = dict([(user, self.users[user].settings.get('Date format', self.date_format)) for user in users]) |
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606 |
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diff
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607 # render the template |
20
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608 template = self.loader.load('index.html') |
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609 return template.generate(**request.environ['data']).render() |
0
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610 |
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611 |
7
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612 def write_blog(self, user, blog, path, n_links, request): |
0
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613 """return the user's blog in HTML""" |
15 | 614 |
615 # XXX probably should go elsewhere | |
0
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616 for entry in blog: |
15 | 617 if (user, entry.datestamp()) not in self.cooked_bodies: |
618 self.cooked_bodies[(user, entry.datestamp())] = self.cooker(entry.body) | |
619 entry.cooked_body = Markup(self.cooked_bodies[(user, entry.datestamp())]) | |
620 | |
621 # site nav | |
622 # XXX def site_nav() puts directly in request.environ['data'] | |
623 # should return instead | |
624 self.site_nav(request) | |
625 | |
626 # user data -> should be moved up the chain | |
627 data = request.environ['data'] | |
628 data['user'] = user | |
629 data['role'] = self.role(user, request) | |
17 | 630 data['stylesheets'] = self.stylesheets(request) |
15 | 631 data['subject'] = request.user.settings.get('Subject', self.subject) |
632 data['date_format'] = request.user.settings.get('Date format', self.date_format) | |
633 data['mangledurl'] = self.mangledurl | |
634 | |
635 # blog data | |
636 data['blog'] = blog | |
637 data['n_links'] = n_links | |
638 | |
639 # render the template | |
640 template = self.loader.load('blog.html') | |
641 return template.generate(**data).render() | |
58 | 642 |
643 def text_blog(self, blog): | |
644 | |
645 if len(blog) == 1: | |
646 return blog[0].body.strip() + '\n' | |
647 | |
648 buffer = StringIO() | |
649 for entry in blog: | |
650 print >> buffer, '[ %s ]\n' % entry.date.strftime(self.date_format) | |
651 print >> buffer, entry.body.strip() + '\n' | |
652 return buffer.getvalue() | |
0
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653 |
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654 def restructuredText(self, string): |
17 | 655 """renders a string with restructured text""" |
656 | |
0
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657 settings = { 'report_level': 5 } |
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658 string = string.strip() |
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659 try: |
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660 |
60 | 661 parts = docutils.core.publish_parts(string, |
0
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662 writer_name='html', |
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663 settings_overrides=settings) |
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664 body = parts['body'] |
66 | 665 except (SystemMessage, UnicodeError), e: |
0
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666 lines = [ cgi.escape(i.strip()) for i in string.split('\n') ] |
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667 body = '<br/>\n'.join(lines) |
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668 |
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669 |
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670 retval = '<div class="blog-body">%s</div>' % body |
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671 return retval |
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672 |
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673 # # XXX this should be reenabled if 'system-message's again appear in the markup |
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674 # try: |
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675 # foo = etree.fromstring(retval) |
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676 # except etree.XMLSyntaxError: |
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677 # return retval |
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678 # # should cleanup the <div class="system-message"> |
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679 # for i in foo.getiterator(): |
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680 # if dict(i.items()).get('class') == 'system-message': |
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681 # i.clear() |
0
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682 |
35
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683 # return etree.tostring(foo) |
0
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684 |
12
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685 |
0
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686 ### feeds |
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687 |
12
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688 def site_rss(self, request, n_items=10): |
0
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689 blog = self.blog.latest(list(self.users.users()), n_items) |
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690 title = self.site_name + ' - rss' |
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691 link = request.application_url |
0
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692 description = "latest scribblings on %s" % self.site_name |
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693 lastBuildDate = datetime.datetime.now() |
12
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694 items = [ self.rss_item(request, entry.user, entry) for entry in blog ] |
0
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695 rss = PyRSS2Gen.RSS2(title=title, |
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696 link=link, |
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697 description=description, |
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698 lastBuildDate=lastBuildDate, |
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699 items=items) |
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700 return rss.to_xml() |
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701 |
12
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702 def rss(self, request, user, blog): |
0
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703 """ |
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704 rss feed for a user's blog |
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705 done with PyRSS2Gen: |
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706 http://www.dalkescientific.com/Python/PyRSS2Gen.html |
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707 """ |
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708 title = "%s's blog" % user |
12
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709 link = os.path.split(request.url)[0] |
0
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710 description = "latest blog entries for %s on %s" % (user, self.site_name) |
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711 lastBuildDate = datetime.datetime.now() # not sure what this means |
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712 |
12
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713 items = [ self.rss_item(request, user, entry) for entry in blog ] |
0
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714 rss = PyRSS2Gen.RSS2(title=title, |
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715 link=link, |
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716 description=description, |
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717 lastBuildDate=lastBuildDate, |
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718 items=items) |
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719 return rss.to_xml() |
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720 |
12
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721 def rss_item(self, request, user, entry): |
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722 if hasattr(request, 'user') and request.user.name == user: |
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723 prefs = request.user.settings |
0
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724 else: |
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725 prefs = self.users[user].settings |
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726 subject = prefs.get('Subject', self.subject) |
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727 date_format = prefs.get('Date format', self.date_format) |
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728 title = entry.title() |
31
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diff
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729 link = self.permalink(request, entry) |
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diff
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730 return PyRSS2Gen.RSSItem(title=title, |
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731 link=link, |
0
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732 description=unicode(entry.body, errors='replace'), |
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733 author=user, |
31
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734 guid=PyRSS2Gen.Guid(link), |
0
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735 pubDate=entry.date) |
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736 |
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737 |
12
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738 def atom(self, request, blog, author=None): |
0
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739 |
35
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740 # data for genshi template |
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741 date = blog[0].date.isoformat() |
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742 data = request.environ['data'] |
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743 data['blog'] = blog |
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744 data['author'] = author |
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745 data['date'] = date |
0
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746 |
35
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747 # render the template |
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748 template = self.loader.load('atom.xml') |
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749 return template.generate(**data).render() |
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750 |
0
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751 |
34 | 752 ### forms |
0
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753 |
7
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separate out request from self. ultimately a new object should be
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754 def form_post(self, request, user): |
21 | 755 |
756 # genshi data | |
757 self.site_nav(request) | |
758 data = request.environ['data'] | |
759 data['user'] = user | |
760 data['stylesheets'] = self.stylesheets(request) | |
761 | |
762 # render the template | |
763 template = self.loader.load('post.html') | |
764 return template.generate(**data).render() | |
765 | |
0
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766 |
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767 def preferences(self, request, user, errors=None, message=None): |
0
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768 """user preferences form""" |
26 | 769 |
770 # genshi data | |
771 self.site_nav(request) | |
772 data = request.environ['data'] | |
773 data['user'] = user | |
774 data['stylesheets'] = self.stylesheets(request) | |
775 | |
776 # form data | |
777 prefs = request.user.settings | |
778 data['date_format'] = prefs.get('Date format', self.date_format) | |
779 data['now'] = datetime.datetime.now().strftime(data['date_format']) | |
780 subject = prefs.get('Subject', self.subject) | |
781 data['subject'] = subject.split('%(date)s', 1) | |
782 data['css_files'] = [ i['name'] for i in prefs['CSS' ] ] | |
783 data['users'] = [ i for i in list(self.users.users()) | |
784 if i != user ] | |
785 data['message'] = message | |
28 | 786 data['errors'] = errors or {} |
26 | 787 |
788 # render the template | |
789 template = self.loader.load('preferences.html') | |
790 return template.generate(**data).render() | |
791 | |
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792 |
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793 class BitsierBlog(BitsyBlog): |
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794 """single user version of bitsyblog""" |
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795 |
7
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796 def get(self, request): |
9 | 797 |
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798 ### user space |
7
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799 user, path = self.userpath(request) |
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800 if user not in self.users: |
9 | 801 return exc.HTTPNotFound("Blog entry not found") |
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802 |
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803 return self.get_user_space(user, path, request) |
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804 |
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805 def userpath(self, request): |
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806 path = request.path_info.strip('/').split('/') |
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807 if path == ['']: |
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808 path = [] |
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809 request.user = self.users[self.user] |
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810 return self.user, path |
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811 |
9 | 812 def user_url(self, request, user, *args, **kw): |
15 | 813 permalink = kw.get('permalink', False) |
814 return self.link(request, args, permalink) | |
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815 |
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816 def passwords(self): |
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817 return { self.user: self.users.password(self.user) } |
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818 |
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819 def site_nav(self, request): |
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820 """returns HTML for site navigation""" |
15 | 821 links = [(self.user_url(request, self.user), self.user), ] |
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822 user = self.authenticated(request) |
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823 if user: |
15 | 824 links.extend([(self.user_url(request, user, 'post'), 'post'), |
825 (self.user_url(request, user, 'preferences'), 'preferences'), | |
826 (self.link(request, 'logout'), 'logout')]) | |
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827 else: |
15 | 828 links.append((self.link(request, 'login'), 'login')) |
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829 |
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830 if hasattr(self, 'help'): |
15 | 831 links.append((self.link(request, 'help'), 'about')) |
832 | |
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833 |
15 | 834 request.environ['data']['links'] = links |
835 |