Mercurial > hg > bitsyblog
annotate bitsyblog/bitsyblog.py @ 101:83ec14fca36c
STUB: bitsyblog/bitsyblog.py
author | Jeff Hammel <k0scist@gmail.com> |
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date | Sat, 01 Feb 2014 13:19:26 -0800 |
parents | f2780e1418bb |
children | bc08a00a7d93 |
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 |
28 | 8 import dateutil.parser |
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9 |
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10 import datetime |
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11 import docutils |
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12 import docutils.core |
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13 import inspect |
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14 import os |
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15 import PyRSS2Gen |
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16 import re |
101
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17 import utils |
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18 from .blog import FileBlog |
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19 from .roles import roles |
4 | 20 from cStringIO import StringIO |
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21 from docutils.utils import SystemMessage |
15 | 22 from genshi.builder import Markup |
9 | 23 from genshi.template import TemplateLoader |
58 | 24 from paste.fileapp import FileApp |
71 | 25 from pkg_resources import iter_entry_points |
6 | 26 from pkg_resources import resource_filename |
58 | 27 from StringIO import StringIO |
15 | 28 from urlparse import urlparse |
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29 from webob import Request, Response, exc |
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30 |
59 | 31 |
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32 ### exceptions |
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33 |
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34 class BlogPathException(Exception): |
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35 """exception when trying to retrieve the blog""" |
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36 |
97 | 37 |
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38 ### the main course |
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39 |
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40 class BitsyBlog(object): |
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41 """a very tiny blog""" |
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42 |
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43 ### class level variables |
58 | 44 defaults = { 'date_format': '%H:%M %F', # default date format |
45 'file_dir': os.path.dirname(__file__), # where the blog is kept | |
46 'subject': '[ %(date)s ]:', # default subject | |
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47 'n_links': 5, # number of links for navigation |
58 | 48 'site_name': 'bitsyblog', # name of the site (needed?) |
49 'header': None, # text to insert as first child of body' | |
50 'template_directories': '', # space separated template_directories | |
88 | 51 'auto_reload': True, # reload the genshi templates |
58 | 52 'help_file': None, # help to display |
53 'feed_items': 10, # number of RSS/atom items to display | |
89 | 54 'post_handlers': '', # post handlers |
55 'rss_html': True, # whether to render rss descriptions as HTML | |
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56 } |
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57 |
15 | 58 cooked_bodies = {} |
59 | |
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60 def __init__(self, kw, handler_args): |
88 | 61 |
62 # set values from defaults and kw | |
63 for key, value in self.defaults.items(): | |
64 kw_value = kw.get(key, value) | |
65 | |
66 # convert kw_value to the proper type | |
67 _type = type(value) | |
68 if isinstance(kw_value, basestring) and not issubclass(_type, basestring) and value is not None: | |
69 if _type == bool: | |
70 kw_value = kw_value.lower() == 'true' | |
71 else: | |
72 kw_value = _type(kw_value) | |
73 setattr(self, key, kw_value) | |
74 | |
87 | 75 self.response_functions = {'GET': self.get, |
76 'POST': self.post, | |
77 'PUT': self.put | |
78 } | |
82 | 79 |
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80 # abstract attributes |
59 | 81 from user import FilespaceUsers |
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82 self.users = FilespaceUsers(self.file_dir) |
71 | 83 self.blog = FileBlog(self.file_dir) |
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84 self.cooker = self.restructuredText |
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85 |
9 | 86 # template renderer |
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87 self.template_directories = self.template_directories.split() # no spaces in directory names, for now |
63 | 88 |
89 for directory in self.template_directories: | |
90 assert os.path.isdir(directory), "Bitsyblog template directory %s does not exist!" % directory | |
82 | 91 |
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92 self.template_directories.append(resource_filename(__name__, 'templates')) |
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93 self.loader = TemplateLoader(self.template_directories, |
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94 auto_reload=self.auto_reload) |
9 | 95 |
96 # helpfile | |
3 | 97 if self.help_file and os.path.exists(self.help_file): |
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98 help = file(self.help_file).read() |
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99 self.help = docutils.core.publish_string(help, |
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100 writer_name='html', |
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101 settings_overrides={'report_level': 5}) |
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102 |
50 | 103 # header |
104 if self.header: | |
51 | 105 if os.path.exists(self.header): |
106 self.header = file(self.header).read() | |
50 | 107 self.header = Markup(self.header) |
108 | |
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109 # for BitsyAuth |
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110 self.newuser = self.users.new |
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111 |
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112 # post handlers |
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113 self.post_handlers = [ i for i in self.post_handlers.split() if i ] |
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114 self.handlers = [] # handlers for blog post event |
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115 for entry_point in iter_entry_points('bitsyblog.listeners'): |
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116 if entry_point.name in self.post_handlers: |
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117 try: |
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118 handler = entry_point.load()(self, **handler_args.get(entry_point.name, {})) |
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119 self.handlers.append(handler) |
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120 except: |
87 | 121 print 'Cant load entry point %s' % entry_point.name |
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122 raise |
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123 |
97 | 124 |
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125 ### methods dealing with HTTP |
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126 |
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127 def __call__(self, environ, start_response): |
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128 request = Request(environ) |
27 | 129 |
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130 # genshi data dictionary |
98 | 131 request.environ['data'] = {'site_name': self.site_name, |
132 'request': request, | |
133 'link': self.link, | |
134 'logo': self.logo(request), | |
135 'header': self.header, | |
136 'user_url': self.user_url, | |
137 'permalink': self.permalink } | |
27 | 138 |
97 | 139 res = self.response_functions.get(request.method, self.method_not_allowed)(request) |
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140 return res(environ, start_response) |
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141 |
98 | 142 ## GET |
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143 |
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144 def logo(self, request): |
34 | 145 """link to the logo""" |
82 | 146 _logo = 'bitsyblog.png' # TODO: should go to self.logo |
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147 logo = os.path.join(self.file_dir, _logo) |
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148 if os.path.exists(logo): |
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149 return self.link(request, _logo) |
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150 |
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151 def get_index(self, request): |
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152 """returns material pertaining to the root of the site""" |
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153 |
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154 path = request.path_info.strip('/') |
90 | 155 n_posts = self.number_of_posts(request) |
156 n_links = self.number_of_links(request, n_posts) | |
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157 |
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158 ### the front page |
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159 if not path: |
58 | 160 return Response(content_type='text/html', body=self.index(request, n_links)) |
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161 |
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162 ### feeds |
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163 |
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164 # site rss |
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165 if path == 'rss': |
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166 if n_posts is None: |
58 | 167 n_posts = self.feed_items |
168 return Response(content_type='text/xml', body=self.site_rss(request, n_posts)) | |
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169 |
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170 # site atom |
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171 if path == 'atom': |
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172 if n_posts is None: |
58 | 173 n_posts = self.feed_items |
174 return Response(content_type='text/xml', body=self.atom(request, self.blog.latest(self.users.users(), n_posts))) | |
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175 |
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176 ### help |
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177 if path == 'help' and hasattr(self, 'help'): |
58 | 178 return Response(content_type='text/html', body=self.help) |
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179 |
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180 ### static files |
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181 |
82 | 182 # site.css |
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183 if path == 'css/site.css': |
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184 css_file = os.path.join(self.file_dir, 'site.css') |
58 | 185 return FileApp(css_file) |
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186 |
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187 # logo |
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188 if path == 'bitsyblog.png': |
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189 logo = os.path.join(self.file_dir, 'bitsyblog.png') |
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190 if not self.logo(request): |
19
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191 raise exc.HTTPNotFound |
58 | 192 return FileApp(logo) |
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193 |
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194 def get_user_space(self, user, path, request): |
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195 """returns a part of the user space""" |
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196 |
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197 check = self.check_user(user, request) # is this the authenticated user? |
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198 feed = None # not an rss/atom feed by default (flag) |
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199 n_posts = self.number_of_posts(request, user) |
90 | 200 n_links = self.number_of_links(request, n_posts, user) |
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201 |
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202 # special paths |
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203 if path == [ 'post' ]: |
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204 if check is not None: |
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205 return check |
58 | 206 return Response(content_type='text/html', body=self.form_post(request, user)) |
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207 |
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208 if path == [ 'preferences' ]: |
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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.preferences(request, user)) |
82 | 212 |
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213 if path in (['atom'], ['rss']): |
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214 # feeds |
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215 feed = path.pop() |
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216 n_posts = n_posts or self.feed_items |
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217 |
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218 if len(path) == 2: |
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219 if path[0] == 'css': |
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220 for i in request.user.settings['CSS']: |
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221 # find the right CSS file |
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222 if i['filename'] == path[1]: |
58 | 223 return Response(content_type='text/css', body=i['css']) |
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224 else: |
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225 return exc.HTTPNotFound('CSS "%s" not found' % path[1]) |
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226 |
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227 role = self.role(user, request) |
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228 |
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229 # get the blog |
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230 try: |
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231 blog = self.get_blog(user, path, role, n_items=n_posts) |
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232 except BlogPathException, e: |
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233 return exc.HTTPNotFound(str(e)) |
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234 except exc.HTTPException, e: |
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235 return e.wsgi_response |
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236 |
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237 if feed == 'rss': |
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238 content = self.rss(request, user, blog) # XXX different signatures |
58 | 239 return Response(content_type='text/xml', body=content) |
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240 |
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241 if feed == 'atom': |
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242 content = self.atom(request, blog, user) # XXX different signatures |
58 | 243 return Response(content_type='text/xml', body=content) |
82 | 244 |
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245 # reverse the blog if necessary |
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246 if request.GET.get('sort') == 'forward': |
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247 blog = list(reversed(blog)) |
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248 |
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249 # write the blog |
58 | 250 if request.GET.get('format') == 'text': |
251 content = self.text_blog(blog) | |
252 content_type = 'text/plain' | |
253 else: | |
254 content = self.write_blog(user, blog, request.path_info, n_links, request) | |
255 content_type = 'text/html' | |
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256 |
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257 # return the content |
58 | 258 return Response(content_type=content_type, body=content) |
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259 |
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260 def get(self, request): |
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261 """ |
58 | 262 respond to a get request |
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263 """ |
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264 |
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265 # front matter of the site |
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266 index = self.get_index(request) |
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267 if index is not None: |
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268 return index |
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269 |
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270 # user space |
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271 user, path = self.userpath(request) |
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272 return self.get_user_space(user, path, request) |
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273 |
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274 |
98 | 275 ## POST |
276 | |
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277 def post(self, request): |
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278 """ |
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279 write a blog entry and other POST requests |
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280 """ |
82 | 281 |
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282 # find user + path |
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283 user, path = self.userpath(request) |
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284 |
23 | 285 # check to make sure the user is authenticated |
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286 # and is the resource owner |
23 | 287 check = self.check_user(user, request) |
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288 if check is not None: |
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289 return check |
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290 |
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291 if len(path): |
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292 |
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293 if path == [ 'preferences' ]: |
82 | 294 |
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295 # make the data look like we want |
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296 settings = {} |
9 | 297 settings['Date format'] = request.POST.get('Date format') |
298 settings['Subject'] = '%(date)s'.join((request.POST['Subject-0'], request.POST['Subject-2'])) | |
299 settings['Stylesheet'] = request.POST['Stylesheet'] | |
300 settings['CSS file'] = request.POST.get('CSS file') | |
301 settings['Friends'] = ', '.join(request.POST.getall('Friends')) | |
82 | 302 |
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303 errors = self.users.write_settings(user, **settings) |
82 | 304 if errors: # re-display form with errors |
98 | 305 return Response(content_type='text/html', |
306 body=self.preferences(request, user, errors)) | |
82 | 307 |
98 | 308 return Response(content_type='text/html', |
309 body=self.preferences(request, user, message='Changes saved')) | |
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310 elif len(path) == 1 and self.isentry(path[0]): |
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311 entry = self.blog.entry(user, path[0], roles['author']) |
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312 if entry is None: |
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313 return exc.HTTPNotFound("Blog entry %s not found %s" % path[0]) |
9 | 314 privacy = request.POST.get('privacy') |
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315 datestamp = entry.datestamp() |
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316 if privacy: |
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317 self.blog.delete(user, datestamp) |
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318 self.blog.post(user, datestamp, entry.body, privacy) |
23 | 319 return exc.HTTPSeeOther("Settings updated", location=self.user_url(request, user, datestamp)) |
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320 else: |
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321 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
82 | 322 |
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323 # get the body of the post |
9 | 324 body = request.body |
325 body = request.POST.get('form-post', body) | |
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326 body = body.strip() |
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327 if not body: |
82 | 328 return exc.HTTPSeeOther("Your post has no content! No blog for you", |
23 | 329 location=self.user_url(request, user, 'post')) |
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330 |
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331 # determine if the post is secret or private |
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332 privacy = request.GET.get('privacy') or request.POST.get('privacy') or 'public' |
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333 |
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334 # write the file |
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335 now = utils.datestamp(datetime.datetime.now()) |
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336 location = self.user_url(request, user, now, permalink=True) |
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337 blog_entry = self.blog.post(user, now, body, privacy) |
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338 |
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339 # fire event handlers |
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340 # XXX could be done asynchronously |
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341 for handler in self.handlers: |
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342 try: |
72
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343 handler(blog_entry, location) |
100
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344 except: # XXX bare except! |
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345 pass |
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346 |
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347 # point the user at the post |
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348 return exc.HTTPSeeOther("Post blogged by bitsy", location=location) |
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349 |
9 | 350 def put(self, request): |
0
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351 """ |
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352 PUT several blog entries from a file |
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353 """ |
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354 |
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355 # find user + path |
9 | 356 user, path = self.userpath(request) |
0
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357 |
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358 if user not in self.users.users(): |
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359 return exc.HTTPNotFound("No blog found for %s" % user) |
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360 |
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361 if len(path): |
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362 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
87 | 363 |
0
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364 # find the dates + entries in the file |
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365 regex = '\[.*\]:' |
9 | 366 entries = re.split(regex, request.body)[1:] |
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367 dates = [ date.strip().strip(':').strip('[]').strip() |
9 | 368 for date in re.findall(regex, request.body) ] |
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369 dates = [ dateutil.parser.parse(date) for date in dates ] |
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370 |
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371 # write to the blog |
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372 for i in range(len(entries)): |
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373 datestamp = utils.datestamp(dates[i]) |
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374 self.blog.post(user, datestamp, entries[i], 'public') |
87 | 375 |
6 | 376 return exc.HTTPOk("%s posts blogged" % len(entries)) |
0
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377 |
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378 |
97 | 379 def method_not_allowed(self, request): |
0
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380 """deal with non-supported methods""" |
97 | 381 allowed = self.response_functions.keys() |
382 methods = ', '.join(allowed[:1]) | |
383 methods += ((' and %s' % (allowed[-1])) | |
384 if (len(allowed) > 1) | |
385 else allowed[0] | |
386 ) | |
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387 return exc.HTTPMethodNotAllowed("Only %s operations are allowed" % methods) |
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388 |
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389 ### auth/auth functions |
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390 |
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391 def passwords(self): |
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392 return self.users.passwords() |
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393 |
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394 def authenticated(self, request): |
0
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395 """return authenticated user""" |
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396 return request.environ.get('REMOTE_USER') |
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397 |
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398 def check_user(self, user, request): |
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399 """ |
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400 determine authenticated user |
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401 returns None on success |
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402 """ |
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403 authenticated = self.authenticated(request) |
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404 if authenticated is None: |
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405 return exc.HTTPUnauthorized('Unauthorized') |
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406 elif user != authenticated: |
87 | 407 return exc.HTTPForbidden("Forbidden") |
0
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408 |
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409 def role(self, user, request): |
0
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410 """ |
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411 determine what role the authenticated member has |
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412 with respect to the user |
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413 """ |
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414 auth = self.authenticated(request) |
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415 if not auth: |
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416 return 'public' |
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417 if auth == user: |
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418 return 'author' |
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419 else: |
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420 if auth in request.user.settings['Friends']: |
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421 return 'friend' |
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422 else: |
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423 return 'public' |
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424 |
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425 ### user methods |
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426 |
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427 def userpath(self, request): |
87 | 428 """user who's blog one is viewing""" |
7
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429 path = request.path_info.strip('/').split('/') |
0
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430 name = path[0] |
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431 path = path[1:] |
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432 if name: |
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433 if name not in self.users: |
35
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434 exc.HTTPNotFound("No blog found for %s" % name) |
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435 request.user = self.users[name] |
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436 else: |
0
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437 name = None |
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438 return name, path |
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439 |
34 | 440 ### methods for linking and URLs |
0
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441 |
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442 def link(self, request, path='', permanant=False): |
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443 if isinstance(path, basestring): |
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444 path = [ path ] |
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445 if not path: |
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446 path = [''] |
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447 path = [ i.strip('/') for i in path ] |
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448 if permanant: |
15 | 449 application_url = request.application_url |
0
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450 else: |
15 | 451 application_url = urlparse(request.application_url)[2] |
452 path = [ application_url ] + list(path) | |
453 return '/'.join(path) | |
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454 |
15 | 455 def user_url(self, request, user, *args, **kw): |
456 """link to a user resource""" | |
457 permalink = kw.get('permalink', False) | |
458 path = [ user ] | |
459 path.extend(args) | |
460 return self.link(request, path, permalink) | |
461 | |
462 def permalink(self, request, blogentry): | |
463 """permalink for a blog entry""" | |
464 return self.user_url(request, blogentry.user, blogentry.datestamp(), permalink=True) | |
0
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465 |
9 | 466 def mangledurl(self, request, blogentry): |
15 | 467 """return a mangled url for obfuscated sharing""" |
9 | 468 return self.user_url(request, blogentry.user, 'x%x' % (int(blogentry.datestamp()) * self.users.secret(blogentry.user)), permalink=True) |
0
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469 |
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470 def unmangleurl(self, url, user): |
15 | 471 """unmangle a url for obfuscated sharing""" |
0
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472 url = url.strip('x') |
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473 try: |
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474 value = int(url, 16) |
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475 except ValueError: |
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476 return None |
87 | 477 |
0
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478 # XXX once one has a mangled url, one can obtain the secret |
87 | 479 value /= self.users.secret(user) |
0
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480 |
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481 entry = str(value) |
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482 if self.isentry(entry): |
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483 return self.blog.entry(user, entry, ['public', 'secret', 'private']) |
87 | 484 |
0
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485 ### blog retrival methods |
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486 |
15 | 487 def isentry(self, string): # TODO -> blog.py |
488 """returns whether the string is a blog entry""" | |
489 return (len(string) == len(''.join(utils.timeformat))) and string.isdigit() | |
490 | |
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491 def number_of_posts(self, request, user=None): |
0
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492 """return the number of blog posts to display""" |
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493 # determine number of posts to display (None -> all) |
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494 n_posts = request.GET.get('posts', None) |
0
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495 if n_posts is not None: |
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496 try: |
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497 n_posts = int(n_posts) |
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498 except (TypeError, ValueError): |
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499 n_posts = None |
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500 return n_posts |
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501 |
90 | 502 def number_of_links(self, request, n_posts=None, user=None): |
0
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503 """return the number of links to display in the navigation""" |
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504 n_links = request.GET.get('n') |
0
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505 if n_links == 'all': |
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506 return -1 |
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507 try: |
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508 n_links = int(n_links) |
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509 except (TypeError, ValueError): |
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510 n_links = self.n_links |
90 | 511 if n_posts and n_links > 0 and n_links > n_posts: |
512 n_links = n_posts # don't display more links than posts | |
0
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513 return n_links |
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514 |
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515 def get_blog(self, user, path, role='public', n_items=None): |
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516 """retrieve the blog entry based on the path""" |
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517 |
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518 notfound = "blog entry not found" |
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519 |
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520 # get permissions |
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521 allowed = roles[role] |
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522 |
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523 # entire blog |
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524 if not path: |
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525 return self.blog(user, allowed, n_items) |
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526 |
87 | 527 # mangled urls |
0
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528 if len(path) == 1 and path[0].startswith('x'): |
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529 entry = self.unmangleurl(path[0], user) |
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530 if entry: |
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531 return [ entry ] |
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532 else: |
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533 raise BlogPathException(notfound) |
87 | 534 |
0
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535 # individual blog entry |
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536 if (len(path) == 1) and self.isentry(path[0]): |
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537 blog = self.blog.entry(user, path[0], allowed) |
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538 if not blog: |
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539 raise BlogPathException(notfound) |
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540 return [ blog ] |
87 | 541 |
0
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542 # parse the path into a date path |
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543 n_date_vals = 3 # year, month, date |
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544 if len(path) > n_date_vals: |
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545 raise BlogPathException(notfound) |
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546 |
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547 # ensure the path conforms to expected values (ints): |
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548 try: |
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549 [ int(i) for i in path] |
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550 except ValueError: |
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551 raise BlogPathException(notfound) |
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552 |
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553 # get the blog |
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554 return self.blog.entries(user, allowed, *path) |
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555 |
34 | 556 ### methods for markup |
0
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557 |
17 | 558 def stylesheets(self, request): |
559 user = getattr(request, 'user', None) | |
560 if user: | |
561 stylesheets = request.user['CSS'] | |
562 stylesheets = [ (self.user_url(request, user.name, 'css', css['filename']), | |
563 css['name']) for css in stylesheets ] | |
564 else: | |
565 stylesheets = [(self.link(request, "css/site.css"), "Default")] | |
566 return stylesheets | |
567 | |
7
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568 def site_nav(self, request): |
0
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569 """returns HTML for site navigation""" |
15 | 570 |
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571 links = [(self.link(request), '/')] |
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572 user = self.authenticated(request) |
0
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573 if user: |
15 | 574 links.extend([(self.user_url(request, user), user), |
20
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575 (self.user_url(request, user, 'post'), 'post'), |
15 | 576 (self.user_url(request, user, 'preferences'), 'preferences'), |
577 (self.link(request, 'logout'), 'logout')]) | |
0
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578 else: |
15 | 579 links.extend([(self.link(request, 'login'), 'login'), |
580 (self.link(request, 'join'), 'join')]) | |
0
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581 |
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582 if hasattr(self, 'help'): |
15 | 583 links.append((self.link(request, 'help'), 'help')) |
0
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584 |
15 | 585 request.environ['data']['links'] = links |
586 | |
0
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587 |
19
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588 def index(self, request, n_links): |
20
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589 data = request.environ['data'] |
31
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590 data['n_links'] = n_links |
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591 self.site_nav(request) |
31
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592 |
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593 # get the blogs |
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594 blogs = {} |
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595 for user in self.users: |
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596 blog = self.blog(user, ('public',), n_links) |
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597 if blog: |
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598 blogs[user] = blog |
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599 users = blogs.keys() |
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600 |
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601 # display latest active user first |
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602 users.sort(key=lambda user: blogs[user][0].date, reverse=True) |
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603 |
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604 data['blogs'] = blogs |
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605 data['users'] = users |
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606 data['date_formats'] = dict([(user, self.users[user].settings.get('Date format', self.date_format)) for user in users]) |
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607 |
31
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608 # render the template |
20
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609 template = self.loader.load('index.html') |
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610 return template.generate(**request.environ['data']).render() |
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611 |
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612 def cooked_entry(self, entry): |
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613 """cook the entry""" |
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614 if (entry.user, entry.datestamp()) not in self.cooked_bodies: |
84
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615 self.cooked_bodies[(entry.user, entry.datestamp())] = (self.cooker(entry.body), entry.modified()) |
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616 body, modified = self.cooked_bodies[(entry.user, entry.datestamp())] |
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617 if entry.modified() > modified: |
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618 body = self.cooker(entry.body) |
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619 self.cooked_bodies[(entry.user, entry.datestamp())] = (body, entry.modified()) |
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620 return body |
83
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621 |
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622 def write_blog(self, user, blog, path, n_links, request): |
0
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623 """return the user's blog in HTML""" |
15 | 624 |
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625 # cook the entry |
0
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626 for entry in blog: |
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627 entry.cooked_body = Markup(self.cooked_entry(entry)) |
15 | 628 |
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629 # site nav |
15 | 630 # XXX def site_nav() puts directly in request.environ['data'] |
631 # should return instead | |
632 self.site_nav(request) | |
633 | |
634 # user data -> should be moved up the chain | |
635 data = request.environ['data'] | |
636 data['user'] = user | |
637 data['role'] = self.role(user, request) | |
17 | 638 data['stylesheets'] = self.stylesheets(request) |
15 | 639 data['subject'] = request.user.settings.get('Subject', self.subject) |
640 data['date_format'] = request.user.settings.get('Date format', self.date_format) | |
641 data['mangledurl'] = self.mangledurl | |
642 | |
643 # blog data | |
644 data['blog'] = blog | |
645 data['n_links'] = n_links | |
646 | |
647 # render the template | |
648 template = self.loader.load('blog.html') | |
79
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649 try: |
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650 return template.generate(**data).render() |
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651 except UnicodeDecodeError: |
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652 # TODO: better error handling |
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653 raise |
86 | 654 |
58 | 655 def text_blog(self, blog): |
86 | 656 """raw text format of blog""" |
657 | |
58 | 658 if len(blog) == 1: |
659 return blog[0].body.strip() + '\n' | |
660 | |
661 buffer = StringIO() | |
662 for entry in blog: | |
663 print >> buffer, '[ %s ]\n' % entry.date.strftime(self.date_format) | |
664 print >> buffer, entry.body.strip() + '\n' | |
665 return buffer.getvalue() | |
86 | 666 |
0
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667 def restructuredText(self, string): |
86 | 668 """renders a string with restructured text""" |
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669 body = utils.ReST2html(string) |
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670 retval = '<div class="blog-body">%s</div>' % body |
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671 return retval |
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672 |
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673 # # XXX this should be reenabled if 'system-message's again appear in the markup |
86 | 674 # try: |
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675 # foo = etree.fromstring(retval) |
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676 # except etree.XMLSyntaxError: |
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677 # return retval |
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678 # # should cleanup the <div class="system-message"> |
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679 # for i in foo.getiterator(): |
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680 # if dict(i.items()).get('class') == 'system-message': |
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681 # i.clear() |
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682 # return etree.tostring(foo) |
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683 |
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684 |
0
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685 ### feeds |
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686 |
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687 def site_rss(self, request, n_items=10): |
0
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688 blog = self.blog.latest(list(self.users.users()), n_items) |
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689 title = self.site_name + ' - rss' |
89 | 690 link = request.application_url |
0
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691 description = "latest scribblings on %s" % self.site_name |
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692 lastBuildDate = datetime.datetime.now() |
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693 items = [ self.rss_item(request, entry.user, entry) for entry in blog ] |
89 | 694 rss = PyRSS2Gen.RSS2(title=title, |
0
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695 link=link, |
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696 description=description, |
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697 lastBuildDate=lastBuildDate, |
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698 items=items) |
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699 return rss.to_xml() |
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700 |
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701 def rss(self, request, user, blog): |
0
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702 """ |
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703 rss feed for a user's blog |
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704 done with PyRSS2Gen: |
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705 http://www.dalkescientific.com/Python/PyRSS2Gen.html |
89 | 706 """ |
0
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707 title = "%s's blog" % user |
12
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708 link = os.path.split(request.url)[0] |
0
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709 description = "latest blog entries for %s on %s" % (user, self.site_name) |
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710 lastBuildDate = datetime.datetime.now() # not sure what this means |
89 | 711 |
12
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712 items = [ self.rss_item(request, user, entry) for entry in blog ] |
89 | 713 rss = PyRSS2Gen.RSS2(title=title, |
0
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714 link=link, |
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715 description=description, |
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716 lastBuildDate=lastBuildDate, |
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717 items=items) |
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718 return rss.to_xml() |
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719 |
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720 def rss_item(self, request, user, entry): |
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721 if hasattr(request, 'user') and request.user.name == user: |
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722 prefs = request.user.settings |
0
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723 else: |
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724 prefs = self.users[user].settings |
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725 subject = prefs.get('Subject', self.subject) |
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726 date_format = prefs.get('Date format', self.date_format) |
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727 title = entry.title() |
31
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diff
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728 link = self.permalink(request, entry) |
89 | 729 |
730 # item description | |
731 if self.rss_html: | |
732 body = self.cooked_entry(entry) | |
733 else: | |
734 body = entry.body | |
735 body = unicode(body, errors='replace') | |
736 | |
737 return PyRSS2Gen.RSSItem(title=title, | |
31
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738 link=link, |
89 | 739 description=body, |
0
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740 author=user, |
31
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741 guid=PyRSS2Gen.Guid(link), |
0
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742 pubDate=entry.date) |
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743 |
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744 |
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745 def atom(self, request, blog, author=None): |
0
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746 |
35
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diff
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747 # data for genshi template |
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diff
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748 date = blog[0].date.isoformat() |
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749 data = request.environ['data'] |
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750 data['blog'] = blog |
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751 data['author'] = author |
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752 data['date'] = date |
0
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753 |
35
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754 # render the template |
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755 template = self.loader.load('atom.xml') |
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756 return template.generate(**data).render() |
89 | 757 |
0
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758 |
34 | 759 ### forms |
0
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760 |
7
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761 def form_post(self, request, user): |
21 | 762 |
763 # genshi data | |
764 self.site_nav(request) | |
765 data = request.environ['data'] | |
766 data['user'] = user | |
767 data['stylesheets'] = self.stylesheets(request) | |
768 | |
769 # render the template | |
770 template = self.loader.load('post.html') | |
771 return template.generate(**data).render() | |
772 | |
0
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773 |
12
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774 def preferences(self, request, user, errors=None, message=None): |
0
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775 """user preferences form""" |
26 | 776 |
777 # genshi data | |
778 self.site_nav(request) | |
779 data = request.environ['data'] | |
780 data['user'] = user | |
781 data['stylesheets'] = self.stylesheets(request) | |
782 | |
783 # form data | |
784 prefs = request.user.settings | |
785 data['date_format'] = prefs.get('Date format', self.date_format) | |
786 data['now'] = datetime.datetime.now().strftime(data['date_format']) | |
787 subject = prefs.get('Subject', self.subject) | |
788 data['subject'] = subject.split('%(date)s', 1) | |
789 data['css_files'] = [ i['name'] for i in prefs['CSS' ] ] | |
790 data['users'] = [ i for i in list(self.users.users()) | |
791 if i != user ] | |
792 data['message'] = message | |
28 | 793 data['errors'] = errors or {} |
26 | 794 |
795 # render the template | |
796 template = self.loader.load('preferences.html') | |
797 return template.generate(**data).render() | |
94 | 798 |
0
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799 |
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800 class BitsierBlog(BitsyBlog): |
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801 """single user version of bitsyblog""" |
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802 |
80
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803 defaults = BitsyBlog.defaults.copy() |
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804 defaults['user'] = None |
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805 |
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806 def __init__(self, kw, handler_args): |
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807 BitsyBlog.__init__(self, kw, handler_args) |
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808 assert self.user, 'BitsierBlog: no user given' |
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809 |
7
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810 def get(self, request): |
9 | 811 |
0
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812 ### user space |
7
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813 user, path = self.userpath(request) |
0
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814 if user not in self.users: |
9 | 815 return exc.HTTPNotFound("Blog entry not found") |
0
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816 |
7
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817 return self.get_user_space(user, path, request) |
0
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818 |
7
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819 def userpath(self, request): |
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820 path = request.path_info.strip('/').split('/') |
0
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821 if path == ['']: |
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822 path = [] |
14
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823 request.user = self.users[self.user] |
0
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824 return self.user, path |
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825 |
9 | 826 def user_url(self, request, user, *args, **kw): |
15 | 827 permalink = kw.get('permalink', False) |
828 return self.link(request, args, permalink) | |
0
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829 |
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830 def passwords(self): |
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831 return { self.user: self.users.password(self.user) } |
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832 |
7
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833 def site_nav(self, request): |
0
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834 """returns HTML for site navigation""" |
15 | 835 links = [(self.user_url(request, self.user), self.user), ] |
7
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836 user = self.authenticated(request) |
0
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837 if user: |
15 | 838 links.extend([(self.user_url(request, user, 'post'), 'post'), |
839 (self.user_url(request, user, 'preferences'), 'preferences'), | |
840 (self.link(request, 'logout'), 'logout')]) | |
0
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841 else: |
15 | 842 links.append((self.link(request, 'login'), 'login')) |
0
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843 |
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844 if hasattr(self, 'help'): |
15 | 845 links.append((self.link(request, 'help'), 'about')) |
846 | |
0
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847 |
15 | 848 request.environ['data']['links'] = links |
849 |