Mercurial > hg > bitsyblog
annotate bitsyblog/bitsyblog.py @ 98:9e1e736958a2
deprecate
author | Jeff Hammel <jhammel@mozilla.com> |
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date | Sat, 30 Nov 2013 17:44:41 -0800 |
parents | a20fd4fef727 |
children | f2780e1418bb |
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 |
97 | 40 |
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41 ### the main course |
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42 |
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43 class BitsyBlog(object): |
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44 """a very tiny blog""" |
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45 |
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46 ### class level variables |
58 | 47 defaults = { 'date_format': '%H:%M %F', # default date format |
48 'file_dir': os.path.dirname(__file__), # where the blog is kept | |
49 'subject': '[ %(date)s ]:', # default subject | |
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50 'n_links': 5, # number of links for navigation |
58 | 51 'site_name': 'bitsyblog', # name of the site (needed?) |
52 'header': None, # text to insert as first child of body' | |
53 'template_directories': '', # space separated template_directories | |
88 | 54 'auto_reload': True, # reload the genshi templates |
58 | 55 'help_file': None, # help to display |
56 'feed_items': 10, # number of RSS/atom items to display | |
89 | 57 'post_handlers': '', # post handlers |
58 'rss_html': True, # whether to render rss descriptions as HTML | |
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59 } |
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60 |
15 | 61 cooked_bodies = {} |
62 | |
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63 def __init__(self, kw, handler_args): |
88 | 64 |
65 # set values from defaults and kw | |
66 for key, value in self.defaults.items(): | |
67 kw_value = kw.get(key, value) | |
68 | |
69 # convert kw_value to the proper type | |
70 _type = type(value) | |
71 if isinstance(kw_value, basestring) and not issubclass(_type, basestring) and value is not None: | |
72 if _type == bool: | |
73 kw_value = kw_value.lower() == 'true' | |
74 else: | |
75 kw_value = _type(kw_value) | |
76 setattr(self, key, kw_value) | |
77 | |
87 | 78 self.response_functions = {'GET': self.get, |
79 'POST': self.post, | |
80 'PUT': self.put | |
81 } | |
82 | 82 |
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83 # abstract attributes |
59 | 84 from user import FilespaceUsers |
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85 self.users = FilespaceUsers(self.file_dir) |
71 | 86 self.blog = FileBlog(self.file_dir) |
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87 self.cooker = self.restructuredText |
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88 |
9 | 89 # template renderer |
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90 self.template_directories = self.template_directories.split() # no spaces in directory names, for now |
63 | 91 |
92 for directory in self.template_directories: | |
93 assert os.path.isdir(directory), "Bitsyblog template directory %s does not exist!" % directory | |
82 | 94 |
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95 self.template_directories.append(resource_filename(__name__, 'templates')) |
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96 self.loader = TemplateLoader(self.template_directories, |
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97 auto_reload=self.auto_reload) |
9 | 98 |
99 # helpfile | |
3 | 100 if self.help_file and os.path.exists(self.help_file): |
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101 help = file(self.help_file).read() |
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102 self.help = docutils.core.publish_string(help, |
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103 writer_name='html', |
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104 settings_overrides={'report_level': 5}) |
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105 |
50 | 106 # header |
107 if self.header: | |
51 | 108 if os.path.exists(self.header): |
109 self.header = file(self.header).read() | |
50 | 110 self.header = Markup(self.header) |
111 | |
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112 # for BitsyAuth |
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113 self.newuser = self.users.new |
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114 |
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115 # post handlers |
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116 self.post_handlers = [ i for i in self.post_handlers.split() if i ] |
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117 self.handlers = [] # handlers for blog post event |
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118 for entry_point in iter_entry_points('bitsyblog.listeners'): |
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119 if entry_point.name in self.post_handlers: |
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120 try: |
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121 handler = entry_point.load()(self, **handler_args.get(entry_point.name, {})) |
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122 self.handlers.append(handler) |
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123 except: |
87 | 124 print 'Cant load entry point %s' % entry_point.name |
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125 raise |
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126 |
97 | 127 |
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128 ### methods dealing with HTTP |
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129 |
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130 def __call__(self, environ, start_response): |
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131 request = Request(environ) |
27 | 132 |
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133 # genshi data dictionary |
98 | 134 request.environ['data'] = {'site_name': self.site_name, |
135 'request': request, | |
136 'link': self.link, | |
137 'logo': self.logo(request), | |
138 'header': self.header, | |
139 'user_url': self.user_url, | |
140 'permalink': self.permalink } | |
27 | 141 |
97 | 142 res = self.response_functions.get(request.method, self.method_not_allowed)(request) |
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143 return res(environ, start_response) |
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144 |
98 | 145 ## GET |
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146 |
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147 def logo(self, request): |
34 | 148 """link to the logo""" |
82 | 149 _logo = 'bitsyblog.png' # TODO: should go to self.logo |
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150 logo = os.path.join(self.file_dir, _logo) |
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151 if os.path.exists(logo): |
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152 return self.link(request, _logo) |
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153 |
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154 def get_index(self, request): |
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155 """returns material pertaining to the root of the site""" |
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156 |
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157 path = request.path_info.strip('/') |
90 | 158 n_posts = self.number_of_posts(request) |
159 n_links = self.number_of_links(request, n_posts) | |
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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 # site rss |
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168 if path == 'rss': |
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169 if n_posts is None: |
58 | 170 n_posts = self.feed_items |
171 return Response(content_type='text/xml', body=self.site_rss(request, n_posts)) | |
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172 |
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173 # site atom |
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174 if path == 'atom': |
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175 if n_posts is None: |
58 | 176 n_posts = self.feed_items |
177 return Response(content_type='text/xml', body=self.atom(request, self.blog.latest(self.users.users(), n_posts))) | |
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178 |
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179 ### help |
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180 if path == 'help' and hasattr(self, 'help'): |
58 | 181 return Response(content_type='text/html', body=self.help) |
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182 |
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183 ### static files |
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184 |
82 | 185 # site.css |
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186 if path == 'css/site.css': |
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187 css_file = os.path.join(self.file_dir, 'site.css') |
58 | 188 return FileApp(css_file) |
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189 |
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190 # logo |
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191 if path == 'bitsyblog.png': |
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192 logo = os.path.join(self.file_dir, 'bitsyblog.png') |
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193 if not self.logo(request): |
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194 raise exc.HTTPNotFound |
58 | 195 return FileApp(logo) |
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196 |
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197 def get_user_space(self, user, path, request): |
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198 """returns a part of the user space""" |
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199 |
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200 # request.user = self.users[user] # user whose blog is viewed |
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201 check = self.check_user(user, request) # is this the authenticated user? |
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202 |
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203 feed = None # not an rss/atom feed by default (flag) |
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204 n_posts = self.number_of_posts(request, user) |
90 | 205 n_links = self.number_of_links(request, n_posts, user) |
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206 |
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207 # special paths |
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208 if path == [ 'post' ]: |
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209 if check is not None: |
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210 return check |
58 | 211 return Response(content_type='text/html', body=self.form_post(request, user)) |
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212 |
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213 if path == [ 'preferences' ]: |
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214 if check is not None: |
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215 return check |
58 | 216 return Response(content_type='text/html', body=self.preferences(request, user)) |
82 | 217 |
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218 if path == [ 'rss' ]: |
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219 feed = 'rss' |
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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 path == [ 'atom' ]: |
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225 feed = 'atom' |
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226 path = [] |
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227 if n_posts is None: |
58 | 228 n_posts = self.feed_items # TODO: allow to be configurable |
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229 |
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230 if len(path) == 2: |
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231 if path[0] == 'css': |
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232 for i in request.user.settings['CSS']: |
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233 # find the right CSS file |
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234 if i['filename'] == path[1]: |
58 | 235 return Response(content_type='text/css', body=i['css']) |
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236 else: |
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237 return exc.HTTPNotFound('CSS "%s" not found' % path[1]) |
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238 |
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239 role = self.role(user, request) |
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240 |
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241 # get the blog |
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242 try: |
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243 blog = self.get_blog(user, path, role, n_items=n_posts) |
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244 except BlogPathException, e: |
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245 return exc.HTTPNotFound(str(e)) |
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246 except exc.HTTPException, e: |
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247 return e.wsgi_response |
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248 |
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249 if feed == 'rss': |
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250 content = self.rss(request, user, blog) # XXX different signatures |
58 | 251 return Response(content_type='text/xml', body=content) |
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252 |
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253 if feed == 'atom': |
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254 content = self.atom(request, blog, user) # XXX different signatures |
58 | 255 return Response(content_type='text/xml', body=content) |
82 | 256 |
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257 # reverse the blog if necessary |
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258 if request.GET.get('sort') == 'forward': |
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259 blog = list(reversed(blog)) |
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260 |
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261 # write the blog |
58 | 262 if request.GET.get('format') == 'text': |
263 content = self.text_blog(blog) | |
264 content_type = 'text/plain' | |
265 else: | |
266 content = self.write_blog(user, blog, request.path_info, n_links, request) | |
267 content_type = 'text/html' | |
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268 |
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269 # return the content |
58 | 270 return Response(content_type=content_type, body=content) |
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271 |
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272 def get(self, request): |
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273 """ |
58 | 274 respond to a get request |
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275 """ |
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276 |
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277 # front matter of the site |
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278 index = self.get_index(request) |
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279 if index is not None: |
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280 return index |
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281 |
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282 ### user space |
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283 user, path = self.userpath(request) |
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284 return self.get_user_space(user, path, request) |
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285 |
98 | 286 ## POST |
287 | |
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288 def post(self, request): |
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289 """ |
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290 write a blog entry and other POST requests |
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291 """ |
82 | 292 |
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293 # find user + path |
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294 user, path = self.userpath(request) |
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295 |
23 | 296 # check to make sure the user is authenticated |
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297 # and is the resource owner |
23 | 298 check = self.check_user(user, request) |
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299 if check is not None: |
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300 return check |
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301 |
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302 if len(path): |
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303 |
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304 if path == [ 'preferences' ]: |
82 | 305 |
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306 # make the data look like we want |
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307 settings = {} |
9 | 308 settings['Date format'] = request.POST.get('Date format') |
309 settings['Subject'] = '%(date)s'.join((request.POST['Subject-0'], request.POST['Subject-2'])) | |
310 settings['Stylesheet'] = request.POST['Stylesheet'] | |
311 settings['CSS file'] = request.POST.get('CSS file') | |
312 settings['Friends'] = ', '.join(request.POST.getall('Friends')) | |
82 | 313 |
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314 errors = self.users.write_settings(user, **settings) |
82 | 315 if errors: # re-display form with errors |
98 | 316 return Response(content_type='text/html', |
317 body=self.preferences(request, user, errors)) | |
82 | 318 |
98 | 319 return Response(content_type='text/html', |
320 body=self.preferences(request, user, message='Changes saved')) | |
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321 elif len(path) == 1 and self.isentry(path[0]): |
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322 entry = self.blog.entry(user, path[0], roles['author']) |
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323 if entry is None: |
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324 return exc.HTTPNotFound("Blog entry %s not found %s" % path[0]) |
9 | 325 privacy = request.POST.get('privacy') |
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326 datestamp = entry.datestamp() |
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327 if privacy: |
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328 self.blog.delete(user, datestamp) |
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329 self.blog.post(user, datestamp, entry.body, privacy) |
23 | 330 return exc.HTTPSeeOther("Settings updated", location=self.user_url(request, user, datestamp)) |
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331 else: |
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332 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
82 | 333 |
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334 # get the body of the post |
9 | 335 body = request.body |
336 body = request.POST.get('form-post', body) | |
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337 body = body.strip() |
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338 if not body: |
82 | 339 return exc.HTTPSeeOther("Your post has no content! No blog for you", |
23 | 340 location=self.user_url(request, user, 'post')) |
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341 |
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342 # determine if the post is secret or private |
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343 privacy = request.GET.get('privacy') or request.POST.get('privacy') or 'public' |
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344 |
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345 # write the file |
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346 now = utils.datestamp(datetime.datetime.now()) |
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347 location = self.user_url(request, user, now, permalink=True) |
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348 blog_entry = self.blog.post(user, now, body, privacy) |
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349 |
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350 # fire event handlers |
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351 # XXX could be done asynchronously |
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352 for handler in self.handlers: |
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353 try: |
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354 handler(blog_entry, location) |
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355 except: |
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356 pass |
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357 |
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358 # point the user at the post |
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359 return exc.HTTPSeeOther("Post blogged by bitsy", location=location) |
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360 |
9 | 361 def put(self, request): |
0
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362 """ |
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363 PUT several blog entries from a file |
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364 """ |
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365 |
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366 # find user + path |
9 | 367 user, path = self.userpath(request) |
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368 |
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369 if user not in self.users.users(): |
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370 return exc.HTTPNotFound("No blog found for %s" % user) |
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371 |
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372 if len(path): |
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373 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
87 | 374 |
0
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375 # find the dates + entries in the file |
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376 regex = '\[.*\]:' |
9 | 377 entries = re.split(regex, request.body)[1:] |
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378 dates = [ date.strip().strip(':').strip('[]').strip() |
9 | 379 for date in re.findall(regex, request.body) ] |
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380 dates = [ dateutil.parser.parse(date) for date in dates ] |
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381 |
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382 # write to the blog |
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383 for i in range(len(entries)): |
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384 datestamp = utils.datestamp(dates[i]) |
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385 self.blog.post(user, datestamp, entries[i], 'public') |
87 | 386 |
6 | 387 return exc.HTTPOk("%s posts blogged" % len(entries)) |
0
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388 |
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389 |
97 | 390 def method_not_allowed(self, request): |
0
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391 """deal with non-supported methods""" |
97 | 392 allowed = self.response_functions.keys() |
393 methods = ', '.join(allowed[:1]) | |
394 methods += ((' and %s' % (allowed[-1])) | |
395 if (len(allowed) > 1) | |
396 else allowed[0] | |
397 ) | |
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398 return exc.HTTPMethodNotAllowed("Only %s operations are allowed" % methods) |
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399 |
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400 ### auth/auth functions |
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401 |
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402 def passwords(self): |
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403 return self.users.passwords() |
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404 |
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405 def authenticated(self, request): |
0
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406 """return authenticated user""" |
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407 return request.environ.get('REMOTE_USER') |
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408 |
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409 def check_user(self, user, request): |
0
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410 """ |
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411 determine authenticated user |
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412 returns None on success |
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413 """ |
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414 authenticated = self.authenticated(request) |
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415 if authenticated is None: |
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416 return exc.HTTPUnauthorized('Unauthorized') |
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417 elif user != authenticated: |
87 | 418 return exc.HTTPForbidden("Forbidden") |
0
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419 |
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420 def role(self, user, request): |
0
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421 """ |
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422 determine what role the authenticated member has |
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423 with respect to the user |
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424 """ |
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425 auth = self.authenticated(request) |
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426 if not auth: |
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427 return 'public' |
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428 if auth == user: |
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429 return 'author' |
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430 else: |
7
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431 if auth in request.user.settings['Friends']: |
0
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432 return 'friend' |
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433 else: |
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434 return 'public' |
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435 |
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436 ### user methods |
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437 |
7
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438 def userpath(self, request): |
87 | 439 """user who's blog one is viewing""" |
7
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440 path = request.path_info.strip('/').split('/') |
0
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441 name = path[0] |
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442 path = path[1:] |
14
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443 if name: |
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444 if name not in self.users: |
35
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445 exc.HTTPNotFound("No blog found for %s" % name) |
14
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446 request.user = self.users[name] |
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447 else: |
0
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448 name = None |
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449 return name, path |
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450 |
34 | 451 ### methods for linking and URLs |
0
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452 |
29
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453 def link(self, request, path='', permanant=False): |
12
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454 if isinstance(path, basestring): |
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455 path = [ path ] |
48
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456 if not path: |
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457 path = [''] |
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458 path = [ i.strip('/') for i in path ] |
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459 if permanant: |
15 | 460 application_url = request.application_url |
0
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461 else: |
15 | 462 application_url = urlparse(request.application_url)[2] |
463 path = [ application_url ] + list(path) | |
464 return '/'.join(path) | |
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465 |
15 | 466 def user_url(self, request, user, *args, **kw): |
467 """link to a user resource""" | |
468 permalink = kw.get('permalink', False) | |
469 path = [ user ] | |
470 path.extend(args) | |
471 return self.link(request, path, permalink) | |
472 | |
473 def permalink(self, request, blogentry): | |
474 """permalink for a blog entry""" | |
475 return self.user_url(request, blogentry.user, blogentry.datestamp(), permalink=True) | |
0
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476 |
9 | 477 def mangledurl(self, request, blogentry): |
15 | 478 """return a mangled url for obfuscated sharing""" |
9 | 479 return self.user_url(request, blogentry.user, 'x%x' % (int(blogentry.datestamp()) * self.users.secret(blogentry.user)), permalink=True) |
0
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480 |
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481 def unmangleurl(self, url, user): |
15 | 482 """unmangle a url for obfuscated sharing""" |
0
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483 url = url.strip('x') |
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484 try: |
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485 value = int(url, 16) |
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486 except ValueError: |
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487 return None |
87 | 488 |
0
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489 # XXX once one has a mangled url, one can obtain the secret |
87 | 490 value /= self.users.secret(user) |
0
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491 |
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492 entry = str(value) |
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493 if self.isentry(entry): |
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494 return self.blog.entry(user, entry, ['public', 'secret', 'private']) |
87 | 495 |
0
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496 ### blog retrival methods |
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497 |
15 | 498 def isentry(self, string): # TODO -> blog.py |
499 """returns whether the string is a blog entry""" | |
500 return (len(string) == len(''.join(utils.timeformat))) and string.isdigit() | |
501 | |
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502 def number_of_posts(self, request, user=None): |
0
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503 """return the number of blog posts to display""" |
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504 # determine number of posts to display (None -> all) |
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505 n_posts = request.GET.get('posts', None) |
0
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506 if n_posts is not None: |
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507 try: |
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508 n_posts = int(n_posts) |
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509 except (TypeError, ValueError): |
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510 n_posts = None |
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511 return n_posts |
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512 |
90 | 513 def number_of_links(self, request, n_posts=None, user=None): |
0
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514 """return the number of links to display in the navigation""" |
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515 n_links = request.GET.get('n') |
0
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516 if n_links == 'all': |
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517 return -1 |
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518 try: |
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519 n_links = int(n_links) |
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520 except (TypeError, ValueError): |
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521 n_links = self.n_links |
90 | 522 if n_posts and n_links > 0 and n_links > n_posts: |
523 n_links = n_posts # don't display more links than posts | |
0
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524 return n_links |
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525 |
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526 def get_blog(self, user, path, role='public', n_items=None): |
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527 """retrieve the blog entry based on the path""" |
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528 |
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529 notfound = "blog entry not found" |
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530 |
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531 # get permissions |
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532 allowed = roles[role] |
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533 |
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534 # entire blog |
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535 if not path: |
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536 return self.blog(user, allowed, n_items) |
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537 |
87 | 538 # mangled urls |
0
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539 if len(path) == 1 and path[0].startswith('x'): |
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540 entry = self.unmangleurl(path[0], user) |
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541 if entry: |
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542 return [ entry ] |
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543 else: |
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544 raise BlogPathException(notfound) |
87 | 545 |
0
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546 # individual blog entry |
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547 if (len(path) == 1) and self.isentry(path[0]): |
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548 blog = self.blog.entry(user, path[0], allowed) |
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549 if not blog: |
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550 raise BlogPathException(notfound) |
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551 return [ blog ] |
87 | 552 |
0
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553 # parse the path into a date path |
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554 n_date_vals = 3 # year, month, date |
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555 if len(path) > n_date_vals: |
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556 raise BlogPathException(notfound) |
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557 |
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558 # ensure the path conforms to expected values (ints): |
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559 try: |
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560 [ int(i) for i in path] |
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561 except ValueError: |
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562 raise BlogPathException(notfound) |
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563 |
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564 # get the blog |
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565 return self.blog.entries(user, allowed, *path) |
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566 |
34 | 567 ### methods for markup |
0
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568 |
17 | 569 def stylesheets(self, request): |
570 user = getattr(request, 'user', None) | |
571 if user: | |
572 stylesheets = request.user['CSS'] | |
573 stylesheets = [ (self.user_url(request, user.name, 'css', css['filename']), | |
574 css['name']) for css in stylesheets ] | |
575 else: | |
576 stylesheets = [(self.link(request, "css/site.css"), "Default")] | |
577 return stylesheets | |
578 | |
7
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579 def site_nav(self, request): |
0
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580 """returns HTML for site navigation""" |
15 | 581 |
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582 links = [(self.link(request), '/')] |
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583 user = self.authenticated(request) |
0
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584 if user: |
15 | 585 links.extend([(self.user_url(request, user), user), |
20
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586 (self.user_url(request, user, 'post'), 'post'), |
15 | 587 (self.user_url(request, user, 'preferences'), 'preferences'), |
588 (self.link(request, 'logout'), 'logout')]) | |
0
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589 else: |
15 | 590 links.extend([(self.link(request, 'login'), 'login'), |
591 (self.link(request, 'join'), 'join')]) | |
0
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592 |
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593 if hasattr(self, 'help'): |
15 | 594 links.append((self.link(request, 'help'), 'help')) |
0
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595 |
15 | 596 request.environ['data']['links'] = links |
597 | |
0
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598 |
19
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599 def index(self, request, n_links): |
20
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600 data = request.environ['data'] |
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601 data['n_links'] = n_links |
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602 self.site_nav(request) |
31
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603 |
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604 # get the blogs |
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605 blogs = {} |
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606 for user in self.users: |
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607 blog = self.blog(user, ('public',), n_links) |
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608 if blog: |
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609 blogs[user] = blog |
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610 users = blogs.keys() |
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611 |
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612 # display latest active user first |
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613 users.sort(key=lambda user: blogs[user][0].date, reverse=True) |
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614 |
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615 data['blogs'] = blogs |
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616 data['users'] = users |
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617 data['date_formats'] = dict([(user, self.users[user].settings.get('Date format', self.date_format)) for user in users]) |
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618 |
31
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619 # render the template |
20
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620 template = self.loader.load('index.html') |
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621 return template.generate(**request.environ['data']).render() |
0
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622 |
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623 def cooked_entry(self, entry): |
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624 """cook the entry""" |
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625 if (entry.user, entry.datestamp()) not in self.cooked_bodies: |
84
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626 self.cooked_bodies[(entry.user, entry.datestamp())] = (self.cooker(entry.body), entry.modified()) |
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627 body, modified = self.cooked_bodies[(entry.user, entry.datestamp())] |
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628 if entry.modified() > modified: |
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629 body = self.cooker(entry.body) |
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630 self.cooked_bodies[(entry.user, entry.datestamp())] = (body, entry.modified()) |
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631 return body |
83
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632 |
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633 def write_blog(self, user, blog, path, n_links, request): |
0
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634 """return the user's blog in HTML""" |
15 | 635 |
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636 # cook the entry |
0
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637 for entry in blog: |
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638 entry.cooked_body = Markup(self.cooked_entry(entry)) |
15 | 639 |
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640 # site nav |
15 | 641 # XXX def site_nav() puts directly in request.environ['data'] |
642 # should return instead | |
643 self.site_nav(request) | |
644 | |
645 # user data -> should be moved up the chain | |
646 data = request.environ['data'] | |
647 data['user'] = user | |
648 data['role'] = self.role(user, request) | |
17 | 649 data['stylesheets'] = self.stylesheets(request) |
15 | 650 data['subject'] = request.user.settings.get('Subject', self.subject) |
651 data['date_format'] = request.user.settings.get('Date format', self.date_format) | |
652 data['mangledurl'] = self.mangledurl | |
653 | |
654 # blog data | |
655 data['blog'] = blog | |
656 data['n_links'] = n_links | |
657 | |
658 # render the template | |
659 template = self.loader.load('blog.html') | |
79
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660 try: |
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661 return template.generate(**data).render() |
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662 except UnicodeDecodeError: |
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663 # TODO: better error handling |
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664 raise |
86 | 665 |
58 | 666 def text_blog(self, blog): |
86 | 667 """raw text format of blog""" |
668 | |
58 | 669 if len(blog) == 1: |
670 return blog[0].body.strip() + '\n' | |
671 | |
672 buffer = StringIO() | |
673 for entry in blog: | |
674 print >> buffer, '[ %s ]\n' % entry.date.strftime(self.date_format) | |
675 print >> buffer, entry.body.strip() + '\n' | |
676 return buffer.getvalue() | |
86 | 677 |
0
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678 def restructuredText(self, string): |
86 | 679 """renders a string with restructured text""" |
75
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680 body = utils.ReST2html(string) |
0
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681 retval = '<div class="blog-body">%s</div>' % body |
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682 return retval |
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683 |
35
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684 # # XXX this should be reenabled if 'system-message's again appear in the markup |
86 | 685 # try: |
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686 # foo = etree.fromstring(retval) |
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687 # except etree.XMLSyntaxError: |
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688 # return retval |
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689 # # should cleanup the <div class="system-message"> |
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690 # for i in foo.getiterator(): |
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691 # if dict(i.items()).get('class') == 'system-message': |
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692 # i.clear() |
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693 # return etree.tostring(foo) |
0
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694 |
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695 |
0
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696 ### feeds |
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697 |
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698 def site_rss(self, request, n_items=10): |
0
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699 blog = self.blog.latest(list(self.users.users()), n_items) |
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700 title = self.site_name + ' - rss' |
89 | 701 link = request.application_url |
0
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702 description = "latest scribblings on %s" % self.site_name |
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703 lastBuildDate = datetime.datetime.now() |
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704 items = [ self.rss_item(request, entry.user, entry) for entry in blog ] |
89 | 705 rss = PyRSS2Gen.RSS2(title=title, |
0
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706 link=link, |
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707 description=description, |
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708 lastBuildDate=lastBuildDate, |
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709 items=items) |
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710 return rss.to_xml() |
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711 |
12
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712 def rss(self, request, user, blog): |
0
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713 """ |
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714 rss feed for a user's blog |
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715 done with PyRSS2Gen: |
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716 http://www.dalkescientific.com/Python/PyRSS2Gen.html |
89 | 717 """ |
0
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718 title = "%s's blog" % user |
12
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719 link = os.path.split(request.url)[0] |
0
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720 description = "latest blog entries for %s on %s" % (user, self.site_name) |
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721 lastBuildDate = datetime.datetime.now() # not sure what this means |
89 | 722 |
12
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723 items = [ self.rss_item(request, user, entry) for entry in blog ] |
89 | 724 rss = PyRSS2Gen.RSS2(title=title, |
0
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725 link=link, |
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726 description=description, |
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727 lastBuildDate=lastBuildDate, |
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728 items=items) |
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729 return rss.to_xml() |
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730 |
12
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731 def rss_item(self, request, user, entry): |
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732 if hasattr(request, 'user') and request.user.name == user: |
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733 prefs = request.user.settings |
0
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734 else: |
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735 prefs = self.users[user].settings |
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736 subject = prefs.get('Subject', self.subject) |
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737 date_format = prefs.get('Date format', self.date_format) |
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738 title = entry.title() |
31
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739 link = self.permalink(request, entry) |
89 | 740 |
741 # item description | |
742 if self.rss_html: | |
743 body = self.cooked_entry(entry) | |
744 else: | |
745 body = entry.body | |
746 body = unicode(body, errors='replace') | |
747 | |
748 return PyRSS2Gen.RSSItem(title=title, | |
31
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749 link=link, |
89 | 750 description=body, |
0
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751 author=user, |
31
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752 guid=PyRSS2Gen.Guid(link), |
0
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753 pubDate=entry.date) |
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754 |
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755 |
12
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756 def atom(self, request, blog, author=None): |
0
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757 |
35
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758 # data for genshi template |
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759 date = blog[0].date.isoformat() |
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760 data = request.environ['data'] |
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761 data['blog'] = blog |
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762 data['author'] = author |
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763 data['date'] = date |
0
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764 |
35
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765 # render the template |
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766 template = self.loader.load('atom.xml') |
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767 return template.generate(**data).render() |
89 | 768 |
0
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769 |
34 | 770 ### forms |
0
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771 |
7
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772 def form_post(self, request, user): |
21 | 773 |
774 # genshi data | |
775 self.site_nav(request) | |
776 data = request.environ['data'] | |
777 data['user'] = user | |
778 data['stylesheets'] = self.stylesheets(request) | |
779 | |
780 # render the template | |
781 template = self.loader.load('post.html') | |
782 return template.generate(**data).render() | |
783 | |
0
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784 |
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785 def preferences(self, request, user, errors=None, message=None): |
0
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786 """user preferences form""" |
26 | 787 |
788 # genshi data | |
789 self.site_nav(request) | |
790 data = request.environ['data'] | |
791 data['user'] = user | |
792 data['stylesheets'] = self.stylesheets(request) | |
793 | |
794 # form data | |
795 prefs = request.user.settings | |
796 data['date_format'] = prefs.get('Date format', self.date_format) | |
797 data['now'] = datetime.datetime.now().strftime(data['date_format']) | |
798 subject = prefs.get('Subject', self.subject) | |
799 data['subject'] = subject.split('%(date)s', 1) | |
800 data['css_files'] = [ i['name'] for i in prefs['CSS' ] ] | |
801 data['users'] = [ i for i in list(self.users.users()) | |
802 if i != user ] | |
803 data['message'] = message | |
28 | 804 data['errors'] = errors or {} |
26 | 805 |
806 # render the template | |
807 template = self.loader.load('preferences.html') | |
808 return template.generate(**data).render() | |
94 | 809 |
0
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810 |
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811 class BitsierBlog(BitsyBlog): |
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812 """single user version of bitsyblog""" |
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813 |
80
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814 defaults = BitsyBlog.defaults.copy() |
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815 defaults['user'] = None |
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816 |
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817 def __init__(self, kw, handler_args): |
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818 BitsyBlog.__init__(self, kw, handler_args) |
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819 assert self.user, 'BitsierBlog: no user given' |
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820 |
7
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821 def get(self, request): |
9 | 822 |
0
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823 ### user space |
7
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824 user, path = self.userpath(request) |
0
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825 if user not in self.users: |
9 | 826 return exc.HTTPNotFound("Blog entry not found") |
0
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827 |
7
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828 return self.get_user_space(user, path, request) |
0
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829 |
7
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830 def userpath(self, request): |
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831 path = request.path_info.strip('/').split('/') |
0
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832 if path == ['']: |
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833 path = [] |
14
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834 request.user = self.users[self.user] |
0
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835 return self.user, path |
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836 |
9 | 837 def user_url(self, request, user, *args, **kw): |
15 | 838 permalink = kw.get('permalink', False) |
839 return self.link(request, args, permalink) | |
0
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840 |
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841 def passwords(self): |
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842 return { self.user: self.users.password(self.user) } |
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843 |
7
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844 def site_nav(self, request): |
0
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845 """returns HTML for site navigation""" |
15 | 846 links = [(self.user_url(request, self.user), self.user), ] |
7
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847 user = self.authenticated(request) |
0
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848 if user: |
15 | 849 links.extend([(self.user_url(request, user, 'post'), 'post'), |
850 (self.user_url(request, user, 'preferences'), 'preferences'), | |
851 (self.link(request, 'logout'), 'logout')]) | |
0
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852 else: |
15 | 853 links.append((self.link(request, 'login'), 'login')) |
0
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854 |
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855 if hasattr(self, 'help'): |
15 | 856 links.append((self.link(request, 'help'), 'about')) |
857 | |
0
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858 |
15 | 859 request.environ['data']['links'] = links |
860 |