Mercurial > hg > bitsyblog
annotate bitsyblog/bitsyblog.py @ 89:7f7f7313b4c4
add html to rss feeds
author | Jeff Hammel <jhammel@mozilla.com> |
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date | Thu, 17 Nov 2011 16:06:23 -0800 |
parents | a3a7ac9102dc |
children | d29100da202a |
rev | line source |
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1 """ |
81 | 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 ### imports |
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8 |
28 | 9 import dateutil.parser |
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10 |
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11 import datetime |
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12 import docutils |
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13 import docutils.core |
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14 import inspect |
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15 import os |
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16 import PyRSS2Gen |
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17 import re |
4 | 18 |
81 | 19 import utils |
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20 |
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21 from blog import FileBlog |
4 | 22 from cStringIO import StringIO |
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23 from docutils.utils import SystemMessage |
15 | 24 from genshi.builder import Markup |
9 | 25 from genshi.template import TemplateLoader |
58 | 26 from paste.fileapp import FileApp |
71 | 27 from pkg_resources import iter_entry_points |
6 | 28 from pkg_resources import resource_filename |
58 | 29 from StringIO import StringIO |
15 | 30 from urlparse import urlparse |
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31 from webob import Request, Response, exc |
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32 |
59 | 33 from roles import roles |
34 | |
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35 ### exceptions |
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36 |
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37 class BlogPathException(Exception): |
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38 """exception when trying to retrieve the blog""" |
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39 |
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40 ### the main course |
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41 |
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42 class BitsyBlog(object): |
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43 """a very tiny blog""" |
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44 |
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45 ### class level variables |
58 | 46 defaults = { 'date_format': '%H:%M %F', # default date format |
47 'file_dir': os.path.dirname(__file__), # where the blog is kept | |
48 'subject': '[ %(date)s ]:', # default subject | |
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49 'n_links': 5, # number of links for navigation |
58 | 50 'site_name': 'bitsyblog', # name of the site (needed?) |
51 'header': None, # text to insert as first child of body' | |
52 'template_directories': '', # space separated template_directories | |
88 | 53 'auto_reload': True, # reload the genshi templates |
58 | 54 'help_file': None, # help to display |
55 'feed_items': 10, # number of RSS/atom items to display | |
89 | 56 'post_handlers': '', # post handlers |
57 'rss_html': True, # whether to render rss descriptions as HTML | |
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58 } |
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59 |
15 | 60 cooked_bodies = {} |
61 | |
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62 def __init__(self, kw, handler_args): |
88 | 63 |
64 # set values from defaults and kw | |
65 for key, value in self.defaults.items(): | |
66 kw_value = kw.get(key, value) | |
67 | |
68 # convert kw_value to the proper type | |
69 _type = type(value) | |
70 if isinstance(kw_value, basestring) and not issubclass(_type, basestring) and value is not None: | |
71 if _type == bool: | |
72 kw_value = kw_value.lower() == 'true' | |
73 else: | |
74 kw_value = _type(kw_value) | |
75 setattr(self, key, kw_value) | |
76 | |
87 | 77 self.response_functions = {'GET': self.get, |
78 'POST': self.post, | |
79 'PUT': self.put | |
80 } | |
82 | 81 |
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82 # abstract attributes |
59 | 83 from user import FilespaceUsers |
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84 self.users = FilespaceUsers(self.file_dir) |
71 | 85 self.blog = FileBlog(self.file_dir) |
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86 self.cooker = self.restructuredText |
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87 |
9 | 88 # template renderer |
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89 self.template_directories = self.template_directories.split() # no spaces in directory names, for now |
63 | 90 |
91 for directory in self.template_directories: | |
92 assert os.path.isdir(directory), "Bitsyblog template directory %s does not exist!" % directory | |
82 | 93 |
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94 self.template_directories.append(resource_filename(__name__, 'templates')) |
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95 self.loader = TemplateLoader(self.template_directories, |
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96 auto_reload=self.auto_reload) |
9 | 97 |
98 # helpfile | |
3 | 99 if self.help_file and os.path.exists(self.help_file): |
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100 help = file(self.help_file).read() |
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101 self.help = docutils.core.publish_string(help, |
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102 writer_name='html', |
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103 settings_overrides={'report_level': 5}) |
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104 |
50 | 105 # header |
106 if self.header: | |
51 | 107 if os.path.exists(self.header): |
108 self.header = file(self.header).read() | |
50 | 109 self.header = Markup(self.header) |
110 | |
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111 # for BitsyAuth |
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112 self.newuser = self.users.new |
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113 |
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114 # post handlers |
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115 self.post_handlers = [ i for i in self.post_handlers.split() if i ] |
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116 self.handlers = [] # handlers for blog post event |
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117 for entry_point in iter_entry_points('bitsyblog.listeners'): |
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118 if entry_point.name in self.post_handlers: |
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119 try: |
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120 handler = entry_point.load()(self, **handler_args.get(entry_point.name, {})) |
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121 self.handlers.append(handler) |
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122 except: |
87 | 123 print 'Cant load entry point %s' % entry_point.name |
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124 raise |
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125 |
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126 ### methods dealing with HTTP |
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127 |
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128 def __call__(self, environ, start_response): |
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129 request = Request(environ) |
27 | 130 |
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131 # genshi data dictionary |
27 | 132 request.environ['data'] = { 'site_name': self.site_name, |
133 'request': request, | |
134 'link': self.link, | |
31
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135 'logo': self.logo(request), |
50 | 136 'header': self.header, |
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137 'user_url': self.user_url, |
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138 'permalink': self.permalink } |
27 | 139 |
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140 res = self.response_functions.get(request.method, self.error())(request) |
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141 return res(environ, start_response) |
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142 |
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143 def get_response(self, text, content_type='text/html'): |
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144 # XXX to deprecate |
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145 res = Response(content_type=content_type, body=text) |
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146 return res |
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147 |
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148 def logo(self, request): |
34 | 149 """link to the logo""" |
82 | 150 _logo = 'bitsyblog.png' # TODO: should go to self.logo |
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151 logo = os.path.join(self.file_dir, _logo) |
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152 if os.path.exists(logo): |
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153 return self.link(request, _logo) |
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154 |
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155 def get_index(self, request): |
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156 """returns material pertaining to the root of the site""" |
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157 |
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158 path = request.path_info.strip('/') |
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159 n_links = self.number_of_links(request) |
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160 |
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161 ### the front page |
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162 if not path: |
58 | 163 return Response(content_type='text/html', body=self.index(request, n_links)) |
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164 |
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165 ### feeds |
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166 |
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167 n_posts = self.number_of_posts(request) |
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168 |
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169 # site rss |
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170 if path == 'rss': |
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171 if n_posts is None: |
58 | 172 n_posts = self.feed_items |
173 return Response(content_type='text/xml', body=self.site_rss(request, n_posts)) | |
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174 |
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175 # site atom |
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176 if path == 'atom': |
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177 if n_posts is None: |
58 | 178 n_posts = self.feed_items |
179 return Response(content_type='text/xml', body=self.atom(request, self.blog.latest(self.users.users(), n_posts))) | |
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180 |
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181 ### help |
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182 if path == 'help' and hasattr(self, 'help'): |
58 | 183 return Response(content_type='text/html', body=self.help) |
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184 |
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185 ### static files |
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186 |
82 | 187 # site.css |
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188 if path == 'css/site.css': |
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189 css_file = os.path.join(self.file_dir, 'site.css') |
58 | 190 return FileApp(css_file) |
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191 |
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192 # logo |
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193 if path == 'bitsyblog.png': |
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194 logo = os.path.join(self.file_dir, 'bitsyblog.png') |
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195 if not self.logo(request): |
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196 raise exc.HTTPNotFound |
58 | 197 return FileApp(logo) |
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198 |
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199 def get_user_space(self, user, path, request): |
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200 """returns a part of the user space""" |
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201 |
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202 # request.user = self.users[user] # user whose blog is viewed |
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203 check = self.check_user(user, request) # is this the authenticated user? |
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204 |
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205 feed = None # not an rss/atom feed by default (flag) |
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206 n_posts = self.number_of_posts(request, user) |
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207 |
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208 # special paths |
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209 if path == [ 'post' ]: |
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210 if check is not None: |
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211 return check |
58 | 212 return Response(content_type='text/html', body=self.form_post(request, user)) |
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213 |
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214 if path == [ 'preferences' ]: |
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215 if check is not None: |
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216 return check |
58 | 217 return Response(content_type='text/html', body=self.preferences(request, user)) |
82 | 218 |
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219 if path == [ 'rss' ]: |
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220 feed = 'rss' |
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221 path = [] |
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222 if n_posts is None: |
58 | 223 n_posts = self.feed_items # TODO: allow to be configurable |
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224 |
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225 if path == [ 'atom' ]: |
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226 feed = 'atom' |
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227 path = [] |
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228 if n_posts is None: |
58 | 229 n_posts = self.feed_items # TODO: allow to be configurable |
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230 |
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231 if len(path) == 2: |
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232 if path[0] == 'css': |
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233 for i in request.user.settings['CSS']: |
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234 # find the right CSS file |
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235 if i['filename'] == path[1]: |
58 | 236 return Response(content_type='text/css', body=i['css']) |
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237 else: |
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238 return exc.HTTPNotFound('CSS "%s" not found' % path[1]) |
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239 |
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240 role = self.role(user, request) |
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241 |
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242 # get the blog |
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243 try: |
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244 blog = self.get_blog(user, path, role, n_items=n_posts) |
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245 except BlogPathException, e: |
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246 return exc.HTTPNotFound(str(e)) |
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247 except exc.HTTPException, e: |
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248 return e.wsgi_response |
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249 |
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250 if feed == 'rss': |
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251 content = self.rss(request, user, blog) # XXX different signatures |
58 | 252 return Response(content_type='text/xml', body=content) |
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253 |
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254 if feed == 'atom': |
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255 content = self.atom(request, blog, user) # XXX different signatures |
58 | 256 return Response(content_type='text/xml', body=content) |
82 | 257 |
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258 # reverse the blog if necessary |
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259 if request.GET.get('sort') == 'forward': |
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260 blog = list(reversed(blog)) |
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261 |
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262 n_links = self.number_of_links(request, user) |
82 | 263 |
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264 # write the blog |
58 | 265 if request.GET.get('format') == 'text': |
266 content = self.text_blog(blog) | |
267 content_type = 'text/plain' | |
268 else: | |
269 content = self.write_blog(user, blog, request.path_info, n_links, request) | |
270 content_type = 'text/html' | |
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271 |
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272 # return the content |
58 | 273 return Response(content_type=content_type, body=content) |
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274 |
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275 def get(self, request): |
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276 """ |
58 | 277 respond to a get request |
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278 """ |
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279 |
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280 # front matter of the site |
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281 index = self.get_index(request) |
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282 if index is not None: |
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283 return index |
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284 |
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285 ### user space |
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286 user, path = self.userpath(request) |
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287 return self.get_user_space(user, path, request) |
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288 |
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289 def post(self, request): |
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290 """ |
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291 write a blog entry and other POST requests |
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292 """ |
82 | 293 |
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294 # find user + path |
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295 user, path = self.userpath(request) |
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296 |
23 | 297 # check to make sure the user is authenticated |
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298 # and is the resource owner |
23 | 299 check = self.check_user(user, request) |
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300 if check is not None: |
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301 return check |
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302 |
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303 if len(path): |
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304 |
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305 if path == [ 'preferences' ]: |
82 | 306 |
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307 # make the data look like we want |
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308 settings = {} |
9 | 309 settings['Date format'] = request.POST.get('Date format') |
310 settings['Subject'] = '%(date)s'.join((request.POST['Subject-0'], request.POST['Subject-2'])) | |
311 settings['Stylesheet'] = request.POST['Stylesheet'] | |
312 settings['CSS file'] = request.POST.get('CSS file') | |
313 settings['Friends'] = ', '.join(request.POST.getall('Friends')) | |
82 | 314 |
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315 errors = self.users.write_settings(user, **settings) |
82 | 316 if errors: # re-display form with errors |
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317 return self.get_response(self.preferences(request, user, errors)) |
82 | 318 |
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319 return self.get_response(self.preferences(request, user, message='Changes saved')) |
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320 elif len(path) == 1 and self.isentry(path[0]): |
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321 entry = self.blog.entry(user, path[0], roles['author']) |
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322 if entry is None: |
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323 return exc.HTTPNotFound("Blog entry %s not found %s" % path[0]) |
9 | 324 privacy = request.POST.get('privacy') |
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325 datestamp = entry.datestamp() |
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326 if privacy: |
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327 self.blog.delete(user, datestamp) |
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328 self.blog.post(user, datestamp, entry.body, privacy) |
23 | 329 return exc.HTTPSeeOther("Settings updated", location=self.user_url(request, user, datestamp)) |
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330 else: |
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331 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
82 | 332 |
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333 # get the body of the post |
9 | 334 body = request.body |
335 body = request.POST.get('form-post', body) | |
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336 body = body.strip() |
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337 if not body: |
82 | 338 return exc.HTTPSeeOther("Your post has no content! No blog for you", |
23 | 339 location=self.user_url(request, user, 'post')) |
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340 |
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341 # determine if the post is secret or private |
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342 privacy = request.GET.get('privacy') or request.POST.get('privacy') or 'public' |
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343 |
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344 # write the file |
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345 now = utils.datestamp(datetime.datetime.now()) |
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346 location = self.user_url(request, user, now, permalink=True) |
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347 blog_entry = self.blog.post(user, now, body, privacy) |
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348 |
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349 # fire event handlers |
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350 # XXX could be done asynchronously |
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351 for handler in self.handlers: |
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352 try: |
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353 handler(blog_entry, location) |
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354 except: |
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355 pass |
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356 |
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357 # point the user at the post |
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358 return exc.HTTPSeeOther("Post blogged by bitsy", location=location) |
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359 |
9 | 360 def put(self, request): |
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361 """ |
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362 PUT several blog entries from a file |
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363 """ |
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364 |
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365 # find user + path |
9 | 366 user, path = self.userpath(request) |
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367 |
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368 if user not in self.users.users(): |
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369 return exc.HTTPNotFound("No blog found for %s" % user) |
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370 |
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371 if len(path): |
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372 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
87 | 373 |
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374 # find the dates + entries in the file |
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375 regex = '\[.*\]:' |
9 | 376 entries = re.split(regex, request.body)[1:] |
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377 dates = [ date.strip().strip(':').strip('[]').strip() |
9 | 378 for date in re.findall(regex, request.body) ] |
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379 dates = [ dateutil.parser.parse(date) for date in dates ] |
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380 |
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381 # write to the blog |
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382 for i in range(len(entries)): |
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383 datestamp = utils.datestamp(dates[i]) |
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384 self.blog.post(user, datestamp, entries[i], 'public') |
87 | 385 |
6 | 386 return exc.HTTPOk("%s posts blogged" % len(entries)) |
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387 |
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388 |
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389 def error(self): |
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390 """deal with non-supported methods""" |
87 | 391 methods = ', '.join(self.response_functions.keys()[:1]) |
392 methods += ' and %s' % self.response_functions.keys()[-1] | |
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393 return exc.HTTPMethodNotAllowed("Only %s operations are allowed" % methods) |
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394 |
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395 ### auth/auth functions |
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396 |
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397 def passwords(self): |
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398 return self.users.passwords() |
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399 |
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400 def authenticated(self, request): |
0
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401 """return authenticated user""" |
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402 return request.environ.get('REMOTE_USER') |
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403 |
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404 def check_user(self, user, request): |
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405 """ |
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406 determine authenticated user |
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407 returns None on success |
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408 """ |
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409 authenticated = self.authenticated(request) |
0
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410 if authenticated is None: |
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411 return exc.HTTPUnauthorized('Unauthorized') |
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412 elif user != authenticated: |
87 | 413 return exc.HTTPForbidden("Forbidden") |
0
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414 |
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415 def role(self, user, request): |
0
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416 """ |
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417 determine what role the authenticated member has |
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418 with respect to the user |
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419 """ |
7
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420 auth = self.authenticated(request) |
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421 if not auth: |
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422 return 'public' |
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423 if auth == user: |
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424 return 'author' |
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425 else: |
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426 if auth in request.user.settings['Friends']: |
0
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427 return 'friend' |
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428 else: |
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429 return 'public' |
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430 |
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431 ### user methods |
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432 |
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433 def userpath(self, request): |
87 | 434 """user who's blog one is viewing""" |
7
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435 path = request.path_info.strip('/').split('/') |
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436 name = path[0] |
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437 path = path[1:] |
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438 if name: |
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439 if name not in self.users: |
35
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440 exc.HTTPNotFound("No blog found for %s" % name) |
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441 request.user = self.users[name] |
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442 else: |
0
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443 name = None |
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444 return name, path |
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445 |
34 | 446 ### methods for linking and URLs |
0
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447 |
29
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448 def link(self, request, path='', permanant=False): |
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449 if isinstance(path, basestring): |
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450 path = [ path ] |
48
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451 if not path: |
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452 path = [''] |
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453 path = [ i.strip('/') for i in path ] |
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454 if permanant: |
15 | 455 application_url = request.application_url |
0
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456 else: |
15 | 457 application_url = urlparse(request.application_url)[2] |
458 path = [ application_url ] + list(path) | |
459 return '/'.join(path) | |
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460 |
15 | 461 def user_url(self, request, user, *args, **kw): |
462 """link to a user resource""" | |
463 permalink = kw.get('permalink', False) | |
464 path = [ user ] | |
465 path.extend(args) | |
466 return self.link(request, path, permalink) | |
467 | |
468 def permalink(self, request, blogentry): | |
469 """permalink for a blog entry""" | |
470 return self.user_url(request, blogentry.user, blogentry.datestamp(), permalink=True) | |
0
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471 |
9 | 472 def mangledurl(self, request, blogentry): |
15 | 473 """return a mangled url for obfuscated sharing""" |
9 | 474 return self.user_url(request, blogentry.user, 'x%x' % (int(blogentry.datestamp()) * self.users.secret(blogentry.user)), permalink=True) |
0
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475 |
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476 def unmangleurl(self, url, user): |
15 | 477 """unmangle a url for obfuscated sharing""" |
0
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478 url = url.strip('x') |
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479 try: |
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480 value = int(url, 16) |
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481 except ValueError: |
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482 return None |
87 | 483 |
0
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484 # XXX once one has a mangled url, one can obtain the secret |
87 | 485 value /= self.users.secret(user) |
0
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486 |
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487 entry = str(value) |
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488 if self.isentry(entry): |
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489 return self.blog.entry(user, entry, ['public', 'secret', 'private']) |
87 | 490 |
0
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491 ### blog retrival methods |
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492 |
15 | 493 def isentry(self, string): # TODO -> blog.py |
494 """returns whether the string is a blog entry""" | |
495 return (len(string) == len(''.join(utils.timeformat))) and string.isdigit() | |
496 | |
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497 def number_of_posts(self, request, user=None): |
0
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498 """return the number of blog posts to display""" |
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499 # determine number of posts to display (None -> all) |
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500 n_posts = request.GET.get('posts', None) |
0
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501 if n_posts is not None: |
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502 try: |
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503 n_posts = int(n_posts) |
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504 if n_links > 0 and n_links > n_posts: |
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505 n_links = n_posts # don't display more links than posts |
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506 except (TypeError, ValueError): |
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507 n_posts = None |
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508 return n_posts |
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509 |
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510 def number_of_links(self, request, user=None): |
0
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511 """return the number of links to display in the navigation""" |
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512 n_links = request.GET.get('n') |
0
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513 if n_links == 'all': |
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514 return -1 |
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515 try: |
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516 n_links = int(n_links) |
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517 except (TypeError, ValueError): |
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518 n_links = self.n_links |
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519 return n_links |
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520 |
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521 def get_blog(self, user, path, role='public', n_items=None): |
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522 """retrieve the blog entry based on the path""" |
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523 |
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524 notfound = "blog entry not found" |
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525 |
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526 # get permissions |
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527 allowed = roles[role] |
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528 |
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529 # entire blog |
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530 if not path: |
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531 return self.blog(user, allowed, n_items) |
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532 |
87 | 533 # mangled urls |
0
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534 if len(path) == 1 and path[0].startswith('x'): |
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535 entry = self.unmangleurl(path[0], user) |
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536 if entry: |
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537 return [ entry ] |
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538 else: |
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539 raise BlogPathException(notfound) |
87 | 540 |
0
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541 # individual blog entry |
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542 if (len(path) == 1) and self.isentry(path[0]): |
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543 blog = self.blog.entry(user, path[0], allowed) |
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544 if not blog: |
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545 raise BlogPathException(notfound) |
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546 return [ blog ] |
87 | 547 |
0
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548 # parse the path into a date path |
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549 n_date_vals = 3 # year, month, date |
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550 if len(path) > n_date_vals: |
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551 raise BlogPathException(notfound) |
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552 |
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553 # ensure the path conforms to expected values (ints): |
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554 try: |
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555 [ int(i) for i in path] |
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556 except ValueError: |
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557 raise BlogPathException(notfound) |
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558 |
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559 # get the blog |
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560 return self.blog.entries(user, allowed, *path) |
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561 |
34 | 562 ### methods for markup |
0
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563 |
17 | 564 def stylesheets(self, request): |
565 user = getattr(request, 'user', None) | |
566 if user: | |
567 stylesheets = request.user['CSS'] | |
568 stylesheets = [ (self.user_url(request, user.name, 'css', css['filename']), | |
569 css['name']) for css in stylesheets ] | |
570 else: | |
571 stylesheets = [(self.link(request, "css/site.css"), "Default")] | |
572 return stylesheets | |
573 | |
7
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574 def site_nav(self, request): |
0
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575 """returns HTML for site navigation""" |
15 | 576 |
29
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577 links = [(self.link(request), '/')] |
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578 user = self.authenticated(request) |
0
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579 if user: |
15 | 580 links.extend([(self.user_url(request, user), user), |
20
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581 (self.user_url(request, user, 'post'), 'post'), |
15 | 582 (self.user_url(request, user, 'preferences'), 'preferences'), |
583 (self.link(request, 'logout'), 'logout')]) | |
0
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584 else: |
15 | 585 links.extend([(self.link(request, 'login'), 'login'), |
586 (self.link(request, 'join'), 'join')]) | |
0
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587 |
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588 if hasattr(self, 'help'): |
15 | 589 links.append((self.link(request, 'help'), 'help')) |
0
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590 |
15 | 591 request.environ['data']['links'] = links |
592 | |
0
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593 |
19
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594 def index(self, request, n_links): |
20
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595 data = request.environ['data'] |
31
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596 data['n_links'] = n_links |
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597 self.site_nav(request) |
31
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598 |
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599 # get the blogs |
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600 blogs = {} |
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601 for user in self.users: |
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602 blog = self.blog(user, ('public',), n_links) |
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603 if blog: |
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604 blogs[user] = blog |
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605 users = blogs.keys() |
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606 |
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607 # display latest active user first |
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608 users.sort(key=lambda user: blogs[user][0].date, reverse=True) |
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609 |
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610 data['blogs'] = blogs |
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611 data['users'] = users |
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612 data['date_formats'] = dict([(user, self.users[user].settings.get('Date format', self.date_format)) for user in users]) |
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613 |
31
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diff
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614 # render the template |
20
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615 template = self.loader.load('index.html') |
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616 return template.generate(**request.environ['data']).render() |
0
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617 |
83
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618 def cooked_entry(self, entry): |
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619 """cook the entry""" |
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620 if (entry.user, entry.datestamp()) not in self.cooked_bodies: |
84
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621 self.cooked_bodies[(entry.user, entry.datestamp())] = (self.cooker(entry.body), entry.modified()) |
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622 body, modified = self.cooked_bodies[(entry.user, entry.datestamp())] |
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623 if entry.modified() > modified: |
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624 body = self.cooker(entry.body) |
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625 self.cooked_bodies[(entry.user, entry.datestamp())] = (body, entry.modified()) |
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626 return body |
83
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627 |
7
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628 def write_blog(self, user, blog, path, n_links, request): |
0
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629 """return the user's blog in HTML""" |
15 | 630 |
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631 # cook the entry |
0
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632 for entry in blog: |
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633 entry.cooked_body = Markup(self.cooked_entry(entry)) |
15 | 634 |
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635 # site nav |
15 | 636 # XXX def site_nav() puts directly in request.environ['data'] |
637 # should return instead | |
638 self.site_nav(request) | |
639 | |
640 # user data -> should be moved up the chain | |
641 data = request.environ['data'] | |
642 data['user'] = user | |
643 data['role'] = self.role(user, request) | |
17 | 644 data['stylesheets'] = self.stylesheets(request) |
15 | 645 data['subject'] = request.user.settings.get('Subject', self.subject) |
646 data['date_format'] = request.user.settings.get('Date format', self.date_format) | |
647 data['mangledurl'] = self.mangledurl | |
648 | |
649 # blog data | |
650 data['blog'] = blog | |
651 data['n_links'] = n_links | |
652 | |
653 # render the template | |
654 template = self.loader.load('blog.html') | |
79
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655 try: |
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656 return template.generate(**data).render() |
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657 except UnicodeDecodeError: |
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658 # TODO: better error handling |
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659 raise |
86 | 660 |
58 | 661 def text_blog(self, blog): |
86 | 662 """raw text format of blog""" |
663 | |
58 | 664 if len(blog) == 1: |
665 return blog[0].body.strip() + '\n' | |
666 | |
667 buffer = StringIO() | |
668 for entry in blog: | |
669 print >> buffer, '[ %s ]\n' % entry.date.strftime(self.date_format) | |
670 print >> buffer, entry.body.strip() + '\n' | |
671 return buffer.getvalue() | |
86 | 672 |
0
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673 def restructuredText(self, string): |
86 | 674 """renders a string with restructured text""" |
75
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675 body = utils.ReST2html(string) |
0
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676 retval = '<div class="blog-body">%s</div>' % body |
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677 return retval |
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678 |
35
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enable atom support, this brings us to 2.0
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679 # # XXX this should be reenabled if 'system-message's again appear in the markup |
86 | 680 # try: |
35
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681 # foo = etree.fromstring(retval) |
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682 # except etree.XMLSyntaxError: |
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683 # return retval |
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684 # # should cleanup the <div class="system-message"> |
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685 # for i in foo.getiterator(): |
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686 # if dict(i.items()).get('class') == 'system-message': |
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687 # i.clear() |
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688 # return etree.tostring(foo) |
0
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689 |
12
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690 |
0
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691 ### feeds |
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692 |
12
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693 def site_rss(self, request, n_items=10): |
0
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694 blog = self.blog.latest(list(self.users.users()), n_items) |
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695 title = self.site_name + ' - rss' |
89 | 696 link = request.application_url |
0
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697 description = "latest scribblings on %s" % self.site_name |
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698 lastBuildDate = datetime.datetime.now() |
12
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699 items = [ self.rss_item(request, entry.user, entry) for entry in blog ] |
89 | 700 rss = PyRSS2Gen.RSS2(title=title, |
0
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701 link=link, |
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702 description=description, |
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703 lastBuildDate=lastBuildDate, |
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704 items=items) |
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705 return rss.to_xml() |
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706 |
12
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707 def rss(self, request, user, blog): |
0
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708 """ |
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709 rss feed for a user's blog |
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710 done with PyRSS2Gen: |
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711 http://www.dalkescientific.com/Python/PyRSS2Gen.html |
89 | 712 """ |
0
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713 title = "%s's blog" % user |
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714 link = os.path.split(request.url)[0] |
0
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715 description = "latest blog entries for %s on %s" % (user, self.site_name) |
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716 lastBuildDate = datetime.datetime.now() # not sure what this means |
89 | 717 |
12
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718 items = [ self.rss_item(request, user, entry) for entry in blog ] |
89 | 719 rss = PyRSS2Gen.RSS2(title=title, |
0
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720 link=link, |
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721 description=description, |
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722 lastBuildDate=lastBuildDate, |
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723 items=items) |
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724 return rss.to_xml() |
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725 |
12
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726 def rss_item(self, request, user, entry): |
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727 if hasattr(request, 'user') and request.user.name == user: |
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728 prefs = request.user.settings |
0
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729 else: |
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730 prefs = self.users[user].settings |
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731 subject = prefs.get('Subject', self.subject) |
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732 date_format = prefs.get('Date format', self.date_format) |
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733 title = entry.title() |
31
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734 link = self.permalink(request, entry) |
89 | 735 |
736 # item description | |
737 if self.rss_html: | |
738 body = self.cooked_entry(entry) | |
739 else: | |
740 body = entry.body | |
741 body = unicode(body, errors='replace') | |
742 | |
743 return PyRSS2Gen.RSSItem(title=title, | |
31
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744 link=link, |
89 | 745 description=body, |
0
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746 author=user, |
31
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747 guid=PyRSS2Gen.Guid(link), |
0
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748 pubDate=entry.date) |
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749 |
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750 |
12
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751 def atom(self, request, blog, author=None): |
0
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752 |
35
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diff
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753 # data for genshi template |
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754 date = blog[0].date.isoformat() |
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755 data = request.environ['data'] |
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756 data['blog'] = blog |
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757 data['author'] = author |
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758 data['date'] = date |
0
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759 |
35
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diff
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760 # render the template |
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761 template = self.loader.load('atom.xml') |
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762 return template.generate(**data).render() |
89 | 763 |
0
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|
764 |
34 | 765 ### forms |
0
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766 |
7
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767 def form_post(self, request, user): |
21 | 768 |
769 # genshi data | |
770 self.site_nav(request) | |
771 data = request.environ['data'] | |
772 data['user'] = user | |
773 data['stylesheets'] = self.stylesheets(request) | |
774 | |
775 # render the template | |
776 template = self.loader.load('post.html') | |
777 return template.generate(**data).render() | |
778 | |
0
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779 |
12
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780 def preferences(self, request, user, errors=None, message=None): |
0
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781 """user preferences form""" |
26 | 782 |
783 # genshi data | |
784 self.site_nav(request) | |
785 data = request.environ['data'] | |
786 data['user'] = user | |
787 data['stylesheets'] = self.stylesheets(request) | |
788 | |
789 # form data | |
790 prefs = request.user.settings | |
791 data['date_format'] = prefs.get('Date format', self.date_format) | |
792 data['now'] = datetime.datetime.now().strftime(data['date_format']) | |
793 subject = prefs.get('Subject', self.subject) | |
794 data['subject'] = subject.split('%(date)s', 1) | |
795 data['css_files'] = [ i['name'] for i in prefs['CSS' ] ] | |
796 data['users'] = [ i for i in list(self.users.users()) | |
797 if i != user ] | |
798 data['message'] = message | |
28 | 799 data['errors'] = errors or {} |
26 | 800 |
801 # render the template | |
802 template = self.loader.load('preferences.html') | |
803 return template.generate(**data).render() | |
804 | |
0
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805 |
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806 class BitsierBlog(BitsyBlog): |
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807 """single user version of bitsyblog""" |
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808 |
80
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809 defaults = BitsyBlog.defaults.copy() |
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810 defaults['user'] = None |
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811 |
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812 def __init__(self, kw, handler_args): |
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813 BitsyBlog.__init__(self, kw, handler_args) |
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814 assert self.user, 'BitsierBlog: no user given' |
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815 |
7
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816 def get(self, request): |
9 | 817 |
0
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818 ### user space |
7
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819 user, path = self.userpath(request) |
0
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820 if user not in self.users: |
9 | 821 return exc.HTTPNotFound("Blog entry not found") |
0
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822 |
7
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823 return self.get_user_space(user, path, request) |
0
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824 |
7
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825 def userpath(self, request): |
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826 path = request.path_info.strip('/').split('/') |
0
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827 if path == ['']: |
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828 path = [] |
14
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829 request.user = self.users[self.user] |
0
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830 return self.user, path |
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831 |
9 | 832 def user_url(self, request, user, *args, **kw): |
15 | 833 permalink = kw.get('permalink', False) |
834 return self.link(request, args, permalink) | |
0
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835 |
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836 def passwords(self): |
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837 return { self.user: self.users.password(self.user) } |
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838 |
7
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839 def site_nav(self, request): |
0
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840 """returns HTML for site navigation""" |
15 | 841 links = [(self.user_url(request, self.user), self.user), ] |
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842 user = self.authenticated(request) |
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843 if user: |
15 | 844 links.extend([(self.user_url(request, user, 'post'), 'post'), |
845 (self.user_url(request, user, 'preferences'), 'preferences'), | |
846 (self.link(request, 'logout'), 'logout')]) | |
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847 else: |
15 | 848 links.append((self.link(request, 'login'), 'login')) |
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849 |
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850 if hasattr(self, 'help'): |
15 | 851 links.append((self.link(request, 'help'), 'about')) |
852 | |
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853 |
15 | 854 request.environ['data']['links'] = links |
855 |