Mercurial > hg > bitsyblog
annotate bitsyblog/bitsyblog.py @ 88:a3a7ac9102dc
better choosing of types
author | Jeff Hammel <jhammel@mozilla.com> |
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date | Thu, 17 Nov 2011 15:18:13 -0800 |
parents | 67dd8e0aa6da |
children | 7f7f7313b4c4 |
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 | |
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56 'post_handlers': '' # post handlers |
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57 } |
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58 |
15 | 59 cooked_bodies = {} |
60 | |
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61 def __init__(self, kw, handler_args): |
88 | 62 |
63 # set values from defaults and kw | |
64 for key, value in self.defaults.items(): | |
65 kw_value = kw.get(key, value) | |
66 | |
67 # convert kw_value to the proper type | |
68 _type = type(value) | |
69 if isinstance(kw_value, basestring) and not issubclass(_type, basestring) and value is not None: | |
70 if _type == bool: | |
71 kw_value = kw_value.lower() == 'true' | |
72 else: | |
73 kw_value = _type(kw_value) | |
74 setattr(self, key, kw_value) | |
75 | |
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76 self.n_links = int(self.n_links) # could be a string from the .ini |
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 |
84 | |
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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 |
58 | 88 self.feed_items = int(self.feed_items) |
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89 |
9 | 90 # template renderer |
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91 self.template_directories = self.template_directories.split() # no spaces in directory names, for now |
63 | 92 |
93 for directory in self.template_directories: | |
94 assert os.path.isdir(directory), "Bitsyblog template directory %s does not exist!" % directory | |
82 | 95 |
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96 self.template_directories.append(resource_filename(__name__, 'templates')) |
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97 self.loader = TemplateLoader(self.template_directories, |
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98 auto_reload=self.auto_reload) |
9 | 99 |
100 # helpfile | |
3 | 101 if self.help_file and os.path.exists(self.help_file): |
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102 help = file(self.help_file).read() |
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103 self.help = docutils.core.publish_string(help, |
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104 writer_name='html', |
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105 settings_overrides={'report_level': 5}) |
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106 |
50 | 107 # header |
108 if self.header: | |
51 | 109 if os.path.exists(self.header): |
110 self.header = file(self.header).read() | |
50 | 111 self.header = Markup(self.header) |
112 | |
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113 # for BitsyAuth |
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114 self.newuser = self.users.new |
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115 |
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116 # post handlers |
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117 self.post_handlers = [ i for i in self.post_handlers.split() if i ] |
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118 self.handlers = [] # handlers for blog post event |
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119 for entry_point in iter_entry_points('bitsyblog.listeners'): |
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120 if entry_point.name in self.post_handlers: |
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121 try: |
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122 handler = entry_point.load()(self, **handler_args.get(entry_point.name, {})) |
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123 self.handlers.append(handler) |
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124 except: |
87 | 125 print 'Cant load entry point %s' % entry_point.name |
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126 raise |
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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 |
27 | 134 request.environ['data'] = { 'site_name': self.site_name, |
135 'request': request, | |
136 'link': self.link, | |
31
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137 'logo': self.logo(request), |
50 | 138 'header': self.header, |
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139 'user_url': self.user_url, |
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140 'permalink': self.permalink } |
27 | 141 |
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142 res = self.response_functions.get(request.method, self.error())(request) |
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143 return res(environ, start_response) |
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144 |
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145 def get_response(self, text, content_type='text/html'): |
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146 # XXX to deprecate |
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147 res = Response(content_type=content_type, body=text) |
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148 return res |
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149 |
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150 def logo(self, request): |
34 | 151 """link to the logo""" |
82 | 152 _logo = 'bitsyblog.png' # TODO: should go to self.logo |
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153 logo = os.path.join(self.file_dir, _logo) |
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154 if os.path.exists(logo): |
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155 return self.link(request, _logo) |
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156 |
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157 def get_index(self, request): |
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158 """returns material pertaining to the root of the site""" |
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159 |
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160 path = request.path_info.strip('/') |
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161 n_links = self.number_of_links(request) |
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162 |
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163 ### the front page |
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164 if not path: |
58 | 165 return Response(content_type='text/html', body=self.index(request, n_links)) |
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166 |
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167 ### feeds |
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168 |
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169 n_posts = self.number_of_posts(request) |
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170 |
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171 # site rss |
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172 if path == 'rss': |
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173 if n_posts is None: |
58 | 174 n_posts = self.feed_items |
175 return Response(content_type='text/xml', body=self.site_rss(request, n_posts)) | |
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176 |
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177 # site atom |
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178 if path == 'atom': |
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179 if n_posts is None: |
58 | 180 n_posts = self.feed_items |
181 return Response(content_type='text/xml', body=self.atom(request, self.blog.latest(self.users.users(), n_posts))) | |
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182 |
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183 ### help |
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184 if path == 'help' and hasattr(self, 'help'): |
58 | 185 return Response(content_type='text/html', body=self.help) |
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186 |
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187 ### static files |
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188 |
82 | 189 # site.css |
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190 if path == 'css/site.css': |
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191 css_file = os.path.join(self.file_dir, 'site.css') |
58 | 192 return FileApp(css_file) |
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193 |
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194 # logo |
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195 if path == 'bitsyblog.png': |
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196 logo = os.path.join(self.file_dir, 'bitsyblog.png') |
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197 if not self.logo(request): |
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198 raise exc.HTTPNotFound |
58 | 199 return FileApp(logo) |
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200 |
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201 def get_user_space(self, user, path, request): |
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202 """returns a part of the user space""" |
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203 |
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204 # request.user = self.users[user] # user whose blog is viewed |
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205 check = self.check_user(user, request) # is this the authenticated user? |
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206 |
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207 feed = None # not an rss/atom feed by default (flag) |
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208 n_posts = self.number_of_posts(request, user) |
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209 |
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210 # special paths |
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211 if path == [ 'post' ]: |
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212 if check is not None: |
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213 return check |
58 | 214 return Response(content_type='text/html', body=self.form_post(request, user)) |
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215 |
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216 if path == [ 'preferences' ]: |
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217 if check is not None: |
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218 return check |
58 | 219 return Response(content_type='text/html', body=self.preferences(request, user)) |
82 | 220 |
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221 if path == [ 'rss' ]: |
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222 feed = 'rss' |
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223 path = [] |
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224 if n_posts is None: |
58 | 225 n_posts = self.feed_items # TODO: allow to be configurable |
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226 |
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227 if path == [ 'atom' ]: |
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228 feed = 'atom' |
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229 path = [] |
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230 if n_posts is None: |
58 | 231 n_posts = self.feed_items # TODO: allow to be configurable |
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232 |
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233 if len(path) == 2: |
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234 if path[0] == 'css': |
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235 for i in request.user.settings['CSS']: |
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236 # find the right CSS file |
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237 if i['filename'] == path[1]: |
58 | 238 return Response(content_type='text/css', body=i['css']) |
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239 else: |
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240 return exc.HTTPNotFound('CSS "%s" not found' % path[1]) |
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241 |
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242 role = self.role(user, request) |
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243 |
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244 # get the blog |
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245 try: |
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246 blog = self.get_blog(user, path, role, n_items=n_posts) |
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247 except BlogPathException, e: |
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248 return exc.HTTPNotFound(str(e)) |
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249 except exc.HTTPException, e: |
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250 return e.wsgi_response |
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251 |
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252 if feed == 'rss': |
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253 content = self.rss(request, user, blog) # XXX different signatures |
58 | 254 return Response(content_type='text/xml', body=content) |
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255 |
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256 if feed == 'atom': |
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257 content = self.atom(request, blog, user) # XXX different signatures |
58 | 258 return Response(content_type='text/xml', body=content) |
82 | 259 |
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260 # reverse the blog if necessary |
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261 if request.GET.get('sort') == 'forward': |
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262 blog = list(reversed(blog)) |
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263 |
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264 n_links = self.number_of_links(request, user) |
82 | 265 |
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266 # write the blog |
58 | 267 if request.GET.get('format') == 'text': |
268 content = self.text_blog(blog) | |
269 content_type = 'text/plain' | |
270 else: | |
271 content = self.write_blog(user, blog, request.path_info, n_links, request) | |
272 content_type = 'text/html' | |
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273 |
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274 # return the content |
58 | 275 return Response(content_type=content_type, body=content) |
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276 |
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277 def get(self, request): |
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278 """ |
58 | 279 respond to a get request |
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280 """ |
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281 |
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282 # front matter of the site |
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283 index = self.get_index(request) |
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284 if index is not None: |
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285 return index |
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286 |
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287 ### user space |
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288 user, path = self.userpath(request) |
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289 return self.get_user_space(user, path, request) |
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290 |
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291 def post(self, request): |
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292 """ |
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293 write a blog entry and other POST requests |
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294 """ |
82 | 295 |
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296 # find user + path |
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297 user, path = self.userpath(request) |
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298 |
23 | 299 # check to make sure the user is authenticated |
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300 # and is the resource owner |
23 | 301 check = self.check_user(user, request) |
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302 if check is not None: |
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303 return check |
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304 |
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305 if len(path): |
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306 |
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307 if path == [ 'preferences' ]: |
82 | 308 |
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309 # make the data look like we want |
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310 settings = {} |
9 | 311 settings['Date format'] = request.POST.get('Date format') |
312 settings['Subject'] = '%(date)s'.join((request.POST['Subject-0'], request.POST['Subject-2'])) | |
313 settings['Stylesheet'] = request.POST['Stylesheet'] | |
314 settings['CSS file'] = request.POST.get('CSS file') | |
315 settings['Friends'] = ', '.join(request.POST.getall('Friends')) | |
82 | 316 |
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317 errors = self.users.write_settings(user, **settings) |
82 | 318 if errors: # re-display form with errors |
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319 return self.get_response(self.preferences(request, user, errors)) |
82 | 320 |
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321 return self.get_response(self.preferences(request, user, message='Changes saved')) |
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322 elif len(path) == 1 and self.isentry(path[0]): |
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323 entry = self.blog.entry(user, path[0], roles['author']) |
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324 if entry is None: |
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325 return exc.HTTPNotFound("Blog entry %s not found %s" % path[0]) |
9 | 326 privacy = request.POST.get('privacy') |
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327 datestamp = entry.datestamp() |
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328 if privacy: |
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329 self.blog.delete(user, datestamp) |
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330 self.blog.post(user, datestamp, entry.body, privacy) |
23 | 331 return exc.HTTPSeeOther("Settings updated", location=self.user_url(request, user, datestamp)) |
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332 else: |
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333 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
82 | 334 |
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335 # get the body of the post |
9 | 336 body = request.body |
337 body = request.POST.get('form-post', body) | |
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338 body = body.strip() |
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339 if not body: |
82 | 340 return exc.HTTPSeeOther("Your post has no content! No blog for you", |
23 | 341 location=self.user_url(request, user, 'post')) |
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342 |
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343 # determine if the post is secret or private |
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344 privacy = request.GET.get('privacy') or request.POST.get('privacy') or 'public' |
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345 |
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346 # write the file |
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347 now = utils.datestamp(datetime.datetime.now()) |
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348 location = self.user_url(request, user, now, permalink=True) |
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349 blog_entry = self.blog.post(user, now, body, privacy) |
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350 |
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351 # fire event handlers |
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352 # XXX could be done asynchronously |
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353 for handler in self.handlers: |
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354 try: |
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355 handler(blog_entry, location) |
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356 except: |
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357 pass |
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358 |
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359 # point the user at the post |
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360 return exc.HTTPSeeOther("Post blogged by bitsy", location=location) |
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361 |
9 | 362 def put(self, request): |
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363 """ |
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364 PUT several blog entries from a file |
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365 """ |
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366 |
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367 # find user + path |
9 | 368 user, path = self.userpath(request) |
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369 |
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370 if user not in self.users.users(): |
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371 return exc.HTTPNotFound("No blog found for %s" % user) |
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372 |
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373 if len(path): |
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374 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
87 | 375 |
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376 # find the dates + entries in the file |
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377 regex = '\[.*\]:' |
9 | 378 entries = re.split(regex, request.body)[1:] |
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379 dates = [ date.strip().strip(':').strip('[]').strip() |
9 | 380 for date in re.findall(regex, request.body) ] |
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381 dates = [ dateutil.parser.parse(date) for date in dates ] |
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382 |
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383 # write to the blog |
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384 for i in range(len(entries)): |
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385 datestamp = utils.datestamp(dates[i]) |
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386 self.blog.post(user, datestamp, entries[i], 'public') |
87 | 387 |
6 | 388 return exc.HTTPOk("%s posts blogged" % len(entries)) |
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389 |
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390 |
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391 def error(self): |
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392 """deal with non-supported methods""" |
87 | 393 methods = ', '.join(self.response_functions.keys()[:1]) |
394 methods += ' and %s' % self.response_functions.keys()[-1] | |
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395 return exc.HTTPMethodNotAllowed("Only %s operations are allowed" % methods) |
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396 |
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397 ### auth/auth functions |
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398 |
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399 def passwords(self): |
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400 return self.users.passwords() |
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401 |
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402 def authenticated(self, request): |
0
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403 """return authenticated user""" |
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404 return request.environ.get('REMOTE_USER') |
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405 |
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406 def check_user(self, user, request): |
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407 """ |
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408 determine authenticated user |
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409 returns None on success |
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410 """ |
7
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411 authenticated = self.authenticated(request) |
0
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412 if authenticated is None: |
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413 return exc.HTTPUnauthorized('Unauthorized') |
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414 elif user != authenticated: |
87 | 415 return exc.HTTPForbidden("Forbidden") |
0
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416 |
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417 def role(self, user, request): |
0
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418 """ |
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419 determine what role the authenticated member has |
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420 with respect to the user |
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421 """ |
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422 auth = self.authenticated(request) |
0
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423 if not auth: |
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424 return 'public' |
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425 if auth == user: |
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426 return 'author' |
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427 else: |
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428 if auth in request.user.settings['Friends']: |
0
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429 return 'friend' |
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430 else: |
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431 return 'public' |
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432 |
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433 ### user methods |
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434 |
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435 def userpath(self, request): |
87 | 436 """user who's blog one is viewing""" |
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437 path = request.path_info.strip('/').split('/') |
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438 name = path[0] |
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439 path = path[1:] |
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440 if name: |
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441 if name not in self.users: |
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442 exc.HTTPNotFound("No blog found for %s" % name) |
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443 request.user = self.users[name] |
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444 else: |
0
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445 name = None |
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446 return name, path |
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447 |
34 | 448 ### methods for linking and URLs |
0
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449 |
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450 def link(self, request, path='', permanant=False): |
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451 if isinstance(path, basestring): |
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452 path = [ path ] |
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453 if not path: |
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454 path = [''] |
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455 path = [ i.strip('/') for i in path ] |
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456 if permanant: |
15 | 457 application_url = request.application_url |
0
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458 else: |
15 | 459 application_url = urlparse(request.application_url)[2] |
460 path = [ application_url ] + list(path) | |
461 return '/'.join(path) | |
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462 |
15 | 463 def user_url(self, request, user, *args, **kw): |
464 """link to a user resource""" | |
465 permalink = kw.get('permalink', False) | |
466 path = [ user ] | |
467 path.extend(args) | |
468 return self.link(request, path, permalink) | |
469 | |
470 def permalink(self, request, blogentry): | |
471 """permalink for a blog entry""" | |
472 return self.user_url(request, blogentry.user, blogentry.datestamp(), permalink=True) | |
0
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473 |
9 | 474 def mangledurl(self, request, blogentry): |
15 | 475 """return a mangled url for obfuscated sharing""" |
9 | 476 return self.user_url(request, blogentry.user, 'x%x' % (int(blogentry.datestamp()) * self.users.secret(blogentry.user)), permalink=True) |
0
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477 |
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478 def unmangleurl(self, url, user): |
15 | 479 """unmangle a url for obfuscated sharing""" |
0
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480 url = url.strip('x') |
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481 try: |
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482 value = int(url, 16) |
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483 except ValueError: |
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484 return None |
87 | 485 |
0
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486 # XXX once one has a mangled url, one can obtain the secret |
87 | 487 value /= self.users.secret(user) |
0
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488 |
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489 entry = str(value) |
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490 if self.isentry(entry): |
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491 return self.blog.entry(user, entry, ['public', 'secret', 'private']) |
87 | 492 |
0
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493 ### blog retrival methods |
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494 |
15 | 495 def isentry(self, string): # TODO -> blog.py |
496 """returns whether the string is a blog entry""" | |
497 return (len(string) == len(''.join(utils.timeformat))) and string.isdigit() | |
498 | |
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499 def number_of_posts(self, request, user=None): |
0
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500 """return the number of blog posts to display""" |
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501 # determine number of posts to display (None -> all) |
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502 n_posts = request.GET.get('posts', None) |
0
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503 if n_posts is not None: |
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504 try: |
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505 n_posts = int(n_posts) |
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506 if n_links > 0 and n_links > n_posts: |
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507 n_links = n_posts # don't display more links than posts |
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508 except (TypeError, ValueError): |
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509 n_posts = None |
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510 return n_posts |
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511 |
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512 def number_of_links(self, request, user=None): |
0
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513 """return the number of links to display in the navigation""" |
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514 n_links = request.GET.get('n') |
0
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515 if n_links == 'all': |
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516 return -1 |
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517 try: |
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518 n_links = int(n_links) |
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519 except (TypeError, ValueError): |
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520 n_links = self.n_links |
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521 return n_links |
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522 |
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523 def get_blog(self, user, path, role='public', n_items=None): |
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524 """retrieve the blog entry based on the path""" |
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525 |
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526 notfound = "blog entry not found" |
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527 |
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528 # get permissions |
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529 allowed = roles[role] |
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530 |
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531 # entire blog |
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532 if not path: |
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533 return self.blog(user, allowed, n_items) |
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534 |
87 | 535 # mangled urls |
0
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536 if len(path) == 1 and path[0].startswith('x'): |
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537 entry = self.unmangleurl(path[0], user) |
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538 if entry: |
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539 return [ entry ] |
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540 else: |
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541 raise BlogPathException(notfound) |
87 | 542 |
0
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543 # individual blog entry |
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544 if (len(path) == 1) and self.isentry(path[0]): |
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545 blog = self.blog.entry(user, path[0], allowed) |
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546 if not blog: |
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547 raise BlogPathException(notfound) |
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548 return [ blog ] |
87 | 549 |
0
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550 # parse the path into a date path |
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551 n_date_vals = 3 # year, month, date |
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552 if len(path) > n_date_vals: |
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553 raise BlogPathException(notfound) |
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554 |
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555 # ensure the path conforms to expected values (ints): |
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556 try: |
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557 [ int(i) for i in path] |
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558 except ValueError: |
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559 raise BlogPathException(notfound) |
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560 |
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561 # get the blog |
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562 return self.blog.entries(user, allowed, *path) |
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563 |
34 | 564 ### methods for markup |
0
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565 |
17 | 566 def stylesheets(self, request): |
567 user = getattr(request, 'user', None) | |
568 if user: | |
569 stylesheets = request.user['CSS'] | |
570 stylesheets = [ (self.user_url(request, user.name, 'css', css['filename']), | |
571 css['name']) for css in stylesheets ] | |
572 else: | |
573 stylesheets = [(self.link(request, "css/site.css"), "Default")] | |
574 return stylesheets | |
575 | |
7
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576 def site_nav(self, request): |
0
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577 """returns HTML for site navigation""" |
15 | 578 |
29
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579 links = [(self.link(request), '/')] |
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580 user = self.authenticated(request) |
0
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581 if user: |
15 | 582 links.extend([(self.user_url(request, user), user), |
20
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583 (self.user_url(request, user, 'post'), 'post'), |
15 | 584 (self.user_url(request, user, 'preferences'), 'preferences'), |
585 (self.link(request, 'logout'), 'logout')]) | |
0
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586 else: |
15 | 587 links.extend([(self.link(request, 'login'), 'login'), |
588 (self.link(request, 'join'), 'join')]) | |
0
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589 |
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590 if hasattr(self, 'help'): |
15 | 591 links.append((self.link(request, 'help'), 'help')) |
0
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592 |
15 | 593 request.environ['data']['links'] = links |
594 | |
0
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595 |
19
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596 def index(self, request, n_links): |
20
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597 data = request.environ['data'] |
31
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598 data['n_links'] = n_links |
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599 self.site_nav(request) |
31
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600 |
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601 # get the blogs |
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602 blogs = {} |
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603 for user in self.users: |
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604 blog = self.blog(user, ('public',), n_links) |
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605 if blog: |
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606 blogs[user] = blog |
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607 users = blogs.keys() |
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608 |
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609 # display latest active user first |
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610 users.sort(key=lambda user: blogs[user][0].date, reverse=True) |
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611 |
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612 data['blogs'] = blogs |
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613 data['users'] = users |
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614 data['date_formats'] = dict([(user, self.users[user].settings.get('Date format', self.date_format)) for user in users]) |
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615 |
31
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616 # render the template |
20
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617 template = self.loader.load('index.html') |
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618 return template.generate(**request.environ['data']).render() |
0
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619 |
83
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620 def cooked_entry(self, entry): |
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621 """cook the entry""" |
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622 if (entry.user, entry.datestamp()) not in self.cooked_bodies: |
84
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623 self.cooked_bodies[(entry.user, entry.datestamp())] = (self.cooker(entry.body), entry.modified()) |
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624 body, modified = self.cooked_bodies[(entry.user, entry.datestamp())] |
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625 if entry.modified() > modified: |
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626 body = self.cooker(entry.body) |
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627 self.cooked_bodies[(entry.user, entry.datestamp())] = (body, entry.modified()) |
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628 return body |
83
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629 |
7
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630 def write_blog(self, user, blog, path, n_links, request): |
0
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631 """return the user's blog in HTML""" |
15 | 632 |
83
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633 # cook the entry |
0
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634 for entry in blog: |
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635 entry.cooked_body = Markup(self.cooked_entry(entry)) |
15 | 636 |
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637 # site nav |
15 | 638 # XXX def site_nav() puts directly in request.environ['data'] |
639 # should return instead | |
640 self.site_nav(request) | |
641 | |
642 # user data -> should be moved up the chain | |
643 data = request.environ['data'] | |
644 data['user'] = user | |
645 data['role'] = self.role(user, request) | |
17 | 646 data['stylesheets'] = self.stylesheets(request) |
15 | 647 data['subject'] = request.user.settings.get('Subject', self.subject) |
648 data['date_format'] = request.user.settings.get('Date format', self.date_format) | |
649 data['mangledurl'] = self.mangledurl | |
650 | |
651 # blog data | |
652 data['blog'] = blog | |
653 data['n_links'] = n_links | |
654 | |
655 # render the template | |
656 template = self.loader.load('blog.html') | |
79
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657 try: |
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658 return template.generate(**data).render() |
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659 except UnicodeDecodeError: |
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660 # TODO: better error handling |
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661 raise |
86 | 662 |
58 | 663 def text_blog(self, blog): |
86 | 664 """raw text format of blog""" |
665 | |
58 | 666 if len(blog) == 1: |
667 return blog[0].body.strip() + '\n' | |
668 | |
669 buffer = StringIO() | |
670 for entry in blog: | |
671 print >> buffer, '[ %s ]\n' % entry.date.strftime(self.date_format) | |
672 print >> buffer, entry.body.strip() + '\n' | |
673 return buffer.getvalue() | |
86 | 674 |
0
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675 def restructuredText(self, string): |
86 | 676 """renders a string with restructured text""" |
75
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677 body = utils.ReST2html(string) |
0
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678 retval = '<div class="blog-body">%s</div>' % body |
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679 return retval |
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680 |
35
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enable atom support, this brings us to 2.0
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681 # # XXX this should be reenabled if 'system-message's again appear in the markup |
86 | 682 # try: |
35
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683 # foo = etree.fromstring(retval) |
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684 # except etree.XMLSyntaxError: |
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685 # return retval |
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686 # # should cleanup the <div class="system-message"> |
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687 # for i in foo.getiterator(): |
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688 # if dict(i.items()).get('class') == 'system-message': |
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689 # i.clear() |
0
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690 |
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691 # return etree.tostring(foo) |
0
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692 |
12
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693 |
0
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694 ### feeds |
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695 |
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696 def site_rss(self, request, n_items=10): |
0
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697 blog = self.blog.latest(list(self.users.users()), n_items) |
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698 title = self.site_name + ' - rss' |
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699 link = request.application_url |
0
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700 description = "latest scribblings on %s" % self.site_name |
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701 lastBuildDate = datetime.datetime.now() |
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702 items = [ self.rss_item(request, entry.user, entry) for entry in blog ] |
0
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703 rss = PyRSS2Gen.RSS2(title=title, |
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704 link=link, |
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705 description=description, |
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706 lastBuildDate=lastBuildDate, |
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707 items=items) |
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708 return rss.to_xml() |
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709 |
12
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710 def rss(self, request, user, blog): |
0
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711 """ |
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712 rss feed for a user's blog |
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713 done with PyRSS2Gen: |
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714 http://www.dalkescientific.com/Python/PyRSS2Gen.html |
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715 """ |
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716 title = "%s's blog" % user |
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717 link = os.path.split(request.url)[0] |
0
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718 description = "latest blog entries for %s on %s" % (user, self.site_name) |
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719 lastBuildDate = datetime.datetime.now() # not sure what this means |
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720 |
12
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721 items = [ self.rss_item(request, user, entry) for entry in blog ] |
0
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722 rss = PyRSS2Gen.RSS2(title=title, |
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723 link=link, |
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724 description=description, |
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725 lastBuildDate=lastBuildDate, |
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726 items=items) |
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727 return rss.to_xml() |
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728 |
12
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729 def rss_item(self, request, user, entry): |
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730 if hasattr(request, 'user') and request.user.name == user: |
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731 prefs = request.user.settings |
0
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732 else: |
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733 prefs = self.users[user].settings |
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734 subject = prefs.get('Subject', self.subject) |
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735 date_format = prefs.get('Date format', self.date_format) |
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736 title = entry.title() |
31
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737 link = self.permalink(request, entry) |
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738 return PyRSS2Gen.RSSItem(title=title, |
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739 link=link, |
0
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740 description=unicode(entry.body, errors='replace'), |
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741 author=user, |
31
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742 guid=PyRSS2Gen.Guid(link), |
0
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743 pubDate=entry.date) |
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744 |
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745 |
12
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746 def atom(self, request, blog, author=None): |
0
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747 |
35
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748 # data for genshi template |
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diff
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749 date = blog[0].date.isoformat() |
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750 data = request.environ['data'] |
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751 data['blog'] = blog |
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752 data['author'] = author |
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753 data['date'] = date |
0
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754 |
35
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diff
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755 # render the template |
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756 template = self.loader.load('atom.xml') |
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diff
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757 return template.generate(**data).render() |
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758 |
0
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759 |
34 | 760 ### forms |
0
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761 |
7
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762 def form_post(self, request, user): |
21 | 763 |
764 # genshi data | |
765 self.site_nav(request) | |
766 data = request.environ['data'] | |
767 data['user'] = user | |
768 data['stylesheets'] = self.stylesheets(request) | |
769 | |
770 # render the template | |
771 template = self.loader.load('post.html') | |
772 return template.generate(**data).render() | |
773 | |
0
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774 |
12
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775 def preferences(self, request, user, errors=None, message=None): |
0
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776 """user preferences form""" |
26 | 777 |
778 # genshi data | |
779 self.site_nav(request) | |
780 data = request.environ['data'] | |
781 data['user'] = user | |
782 data['stylesheets'] = self.stylesheets(request) | |
783 | |
784 # form data | |
785 prefs = request.user.settings | |
786 data['date_format'] = prefs.get('Date format', self.date_format) | |
787 data['now'] = datetime.datetime.now().strftime(data['date_format']) | |
788 subject = prefs.get('Subject', self.subject) | |
789 data['subject'] = subject.split('%(date)s', 1) | |
790 data['css_files'] = [ i['name'] for i in prefs['CSS' ] ] | |
791 data['users'] = [ i for i in list(self.users.users()) | |
792 if i != user ] | |
793 data['message'] = message | |
28 | 794 data['errors'] = errors or {} |
26 | 795 |
796 # render the template | |
797 template = self.loader.load('preferences.html') | |
798 return template.generate(**data).render() | |
799 | |
0
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800 |
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801 class BitsierBlog(BitsyBlog): |
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802 """single user version of bitsyblog""" |
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803 |
80
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804 defaults = BitsyBlog.defaults.copy() |
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805 defaults['user'] = None |
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806 |
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807 def __init__(self, kw, handler_args): |
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808 BitsyBlog.__init__(self, kw, handler_args) |
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809 assert self.user, 'BitsierBlog: no user given' |
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810 |
7
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811 def get(self, request): |
9 | 812 |
0
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813 ### user space |
7
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814 user, path = self.userpath(request) |
0
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815 if user not in self.users: |
9 | 816 return exc.HTTPNotFound("Blog entry not found") |
0
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817 |
7
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818 return self.get_user_space(user, path, request) |
0
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819 |
7
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820 def userpath(self, request): |
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821 path = request.path_info.strip('/').split('/') |
0
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822 if path == ['']: |
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823 path = [] |
14
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824 request.user = self.users[self.user] |
0
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825 return self.user, path |
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826 |
9 | 827 def user_url(self, request, user, *args, **kw): |
15 | 828 permalink = kw.get('permalink', False) |
829 return self.link(request, args, permalink) | |
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830 |
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831 def passwords(self): |
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832 return { self.user: self.users.password(self.user) } |
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833 |
7
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834 def site_nav(self, request): |
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835 """returns HTML for site navigation""" |
15 | 836 links = [(self.user_url(request, self.user), self.user), ] |
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837 user = self.authenticated(request) |
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838 if user: |
15 | 839 links.extend([(self.user_url(request, user, 'post'), 'post'), |
840 (self.user_url(request, user, 'preferences'), 'preferences'), | |
841 (self.link(request, 'logout'), 'logout')]) | |
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842 else: |
15 | 843 links.append((self.link(request, 'login'), 'login')) |
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844 |
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845 if hasattr(self, 'help'): |
15 | 846 links.append((self.link(request, 'help'), 'about')) |
847 | |
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848 |
15 | 849 request.environ['data']['links'] = links |
850 |