Mercurial > hg > bitsyblog
annotate bitsyblog/bitsyblog.py @ 57:54ebc7eb8384
bump version for TODO notes
author | k0s <k0scist@gmail.com> |
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date | Sat, 26 Dec 2009 22:37:34 -0500 |
parents | 3ddb2ca12178 |
children | b97d11e2cf41 |
rev | line source |
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0
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1 """ |
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2 a tiny tiny blog. |
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3 this is the view class and is more bitsyblog than anything |
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4 else can claim to be |
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5 """ |
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6 |
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7 ### global variables |
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8 |
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9 # who can view which blog posts |
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10 roles = { 'public': ( 'public', ), |
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11 'friend': ( 'public', 'secret' ), |
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12 'author': ( 'public', 'secret', 'private' ), } |
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13 |
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14 ### imports |
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15 |
28 | 16 import dateutil.parser |
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17 |
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18 import cgi |
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19 import datetime |
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20 import docutils |
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21 import docutils.core |
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22 import inspect |
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23 import os |
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24 import PyRSS2Gen |
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25 import re |
4 | 26 |
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27 import utils |
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28 |
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29 from blog import FileBlog |
4 | 30 from cStringIO import StringIO |
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31 from docutils.utils import SystemMessage |
15 | 32 from genshi.builder import Markup |
9 | 33 from genshi.template import TemplateLoader |
6 | 34 from pkg_resources import resource_filename |
15 | 35 from urlparse import urlparse |
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36 from user import FilespaceUsers |
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37 from webob import Request, Response, exc |
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38 |
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39 ### exceptions |
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40 |
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41 class BlogPathException(Exception): |
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42 """exception when trying to retrieve the blog""" |
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43 |
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44 ### the main course |
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45 |
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46 class BitsyBlog(object): |
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47 """a very tiny blog""" |
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48 |
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49 ### class level variables |
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50 defaults = { 'date_format': '%H:%M %F', |
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51 'file_dir': os.path.dirname(__file__), |
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52 'subject': '[ %(date)s ]:', |
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53 'n_links': 5, # number of links for navigation |
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54 'site_name': 'bitsyblog', |
50 | 55 'header': None, |
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56 'template_directories': '', |
15 | 57 'auto_reload': 'True', |
6 | 58 'help_file': None, |
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59 } |
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60 |
15 | 61 |
62 cooked_bodies = {} | |
63 | |
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64 def __init__(self, **kw): |
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65 for key in self.defaults: |
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66 setattr(self, key, kw.get(key, self.defaults[key])) |
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67 self.n_links = int(self.n_links) # could be a string from the .ini |
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68 self.response_functions = { 'GET': self.get, |
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69 'POST': self.post, |
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70 'PUT': self.put |
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71 } |
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72 |
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73 # abstract attributes |
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74 self.users = FilespaceUsers(self.file_dir) |
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75 self.blog = FileBlog(self.file_dir) |
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76 self.cooker = self.restructuredText |
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77 |
9 | 78 # template renderer |
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79 self.auto_reload = self.auto_reload.lower()=='true' |
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80 self.template_directories = self.template_directories.split() # no spaces in directory names, for now |
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81 assert sum([os.path.isdir(directory) for directory in self.template_directories]) == len(self.template_directories) |
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82 self.template_directories.append(resource_filename(__name__, 'templates')) |
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83 self.loader = TemplateLoader(self.template_directories, |
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84 auto_reload=self.auto_reload) |
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85 |
9 | 86 |
87 # helpfile | |
3 | 88 if self.help_file and os.path.exists(self.help_file): |
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89 help = file(self.help_file).read() |
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90 self.help = docutils.core.publish_string(help, |
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91 writer_name='html', |
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92 settings_overrides={'report_level': 5}) |
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93 |
50 | 94 # header |
95 if self.header: | |
51 | 96 if os.path.exists(self.header): |
97 self.header = file(self.header).read() | |
50 | 98 self.header = Markup(self.header) |
99 | |
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100 # for BitsyAuth |
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101 self.newuser = self.users.new |
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102 |
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103 ### methods dealing with HTTP |
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104 |
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105 def __call__(self, environ, start_response): |
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106 request = Request(environ) |
27 | 107 |
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108 # genshi data dictionary |
27 | 109 request.environ['data'] = { 'site_name': self.site_name, |
110 'request': request, | |
111 'link': self.link, | |
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112 'logo': self.logo(request), |
50 | 113 'header': self.header, |
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114 'user_url': self.user_url, |
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115 'permalink': self.permalink } |
27 | 116 |
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117 res = self.response_functions.get(request.method, self.error())(request) |
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118 return res(environ, start_response) |
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119 |
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120 def get_response(self, text, content_type='text/html'): |
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121 # XXX to deprecate |
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122 res = Response(content_type=content_type, body=text) |
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123 return res |
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124 |
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125 def logo(self, request): |
34 | 126 """link to the logo""" |
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127 _logo = 'bitsyblog.png' # TODO: should go to self.logo |
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128 logo = os.path.join(self.file_dir, _logo) |
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129 if os.path.exists(logo): |
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130 return self.link(request, _logo) |
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131 |
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132 def get_index(self, request): |
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133 """returns material pertaining to the root of the site""" |
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134 |
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135 path = request.path_info.strip('/') |
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136 n_links = self.number_of_links(request) |
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137 |
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138 ### the front page |
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139 if not path: |
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140 return self.get_response(self.index(request, n_links)) |
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141 |
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142 ### feeds |
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143 |
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144 n_posts = self.number_of_posts(request) |
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145 |
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146 # site rss |
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147 if path == 'rss': |
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148 if n_posts is None: |
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149 n_posts = 10 |
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150 return self.get_response(self.site_rss(request, n_posts), content_type='text/xml') |
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151 |
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152 # site atom |
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153 if path == 'atom': |
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154 if n_posts is None: |
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155 n_posts = 10 |
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156 return self.get_response(self.atom(request, self.blog.latest(self.users.users(), n_posts)), content_type='text/xml') |
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157 |
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158 ### help |
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159 if path == 'help' and hasattr(self, 'help'): |
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160 return self.get_response(self.help) |
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161 |
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162 ### static files |
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163 |
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164 # site.css |
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165 if path == 'css/site.css': |
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166 css_file = os.path.join(self.file_dir, 'site.css') |
9 | 167 return self.get_response(file(css_file).read(), content_type='text/css') # should use FileApp |
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168 |
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169 # logo |
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170 if path == 'bitsyblog.png': |
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171 logo = os.path.join(self.file_dir, 'bitsyblog.png') |
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172 if not self.logo(request): |
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173 raise exc.HTTPNotFound |
9 | 174 return self.get_response(file(logo, 'rb').read(), content_type='image/png') # should use FileApp |
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175 |
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176 def get_user_space(self, user, path, request): |
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177 """returns a part of the user space""" |
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178 |
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179 # request.user = self.users[user] # user whose blog is viewed |
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180 check = self.check_user(user, request) # is this the authenticated user? |
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181 |
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182 feed = None # not an rss/atom feed by default (flag) |
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183 n_posts = self.number_of_posts(request, user) |
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184 |
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185 # special paths |
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186 if path == [ 'post' ]: |
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187 if check is not None: |
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188 return check |
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189 return self.get_response(self.form_post(request, user)) |
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190 |
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191 if path == [ 'preferences' ]: |
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192 if check is not None: |
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193 return check |
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194 return self.get_response(self.preferences(request, user)) |
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195 |
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196 if path == [ 'rss' ]: |
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197 feed = 'rss' |
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198 path = [] |
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199 if n_posts is None: |
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200 n_posts = 10 # TODO: allow to be configurable |
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201 |
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202 if path == [ 'atom' ]: |
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203 feed = 'atom' |
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204 path = [] |
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205 if n_posts is None: |
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206 n_posts = 10 # TODO: allow to be configurable |
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207 |
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208 if len(path) == 2: |
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209 if path[0] == 'css': |
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210 for i in request.user.settings['CSS']: |
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211 # find the right CSS file |
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212 if i['filename'] == path[1]: |
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213 return self.get_response(i['css'], content_type='text/css') |
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214 else: |
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215 return exc.HTTPNotFound('CSS "%s" not found' % path[1]) |
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216 |
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217 role = self.role(user, request) |
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218 |
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219 # get the blog |
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220 try: |
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221 blog = self.get_blog(user, path, role, n_items=n_posts) |
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222 except BlogPathException, e: |
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223 return exc.HTTPNotFound(str(e)) |
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224 except exc.HTTPException, e: |
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225 return e.wsgi_response |
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226 |
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227 if feed == 'rss': |
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228 content = self.rss(request, user, blog) # XXX different signatures |
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229 return self.get_response(content, content_type='text/xml') |
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230 |
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231 if feed == 'atom': |
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232 content = self.atom(request, blog, user) # XXX different signatures |
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233 return self.get_response(content, content_type='text/xml') |
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234 |
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235 # reverse the blog if necessary |
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236 if request.GET.get('sort') == 'forward': |
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237 blog = list(reversed(blog)) |
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238 |
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239 n_links = self.number_of_links(request, user) |
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240 |
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241 # write the blog |
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242 content = self.write_blog(user, blog, request.path_info, n_links, request) |
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243 |
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244 # return the content |
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245 return self.get_response(content) |
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246 |
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247 def get(self, request): |
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248 """ |
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249 display the blog or respond to a get request |
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250 """ |
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251 |
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252 # front matter of the site |
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253 index = self.get_index(request) |
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254 if index is not None: |
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255 return index |
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256 |
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257 ### user space |
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258 user, path = self.userpath(request) |
9 | 259 |
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260 return self.get_user_space(user, path, request) |
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261 |
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262 def post(self, request): |
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263 """ |
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264 write a blog entry and other POST requests |
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265 """ |
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266 |
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267 # find user + path |
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268 user, path = self.userpath(request) |
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269 |
23 | 270 # check to make sure the user is authenticated |
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271 # and is the resource owner |
23 | 272 check = self.check_user(user, request) |
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273 if check is not None: |
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274 return check |
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275 |
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276 if len(path): |
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277 |
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278 if path == [ 'preferences' ]: |
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279 |
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280 # make the data look like we want |
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281 settings = {} |
9 | 282 settings['Date format'] = request.POST.get('Date format') |
283 settings['Subject'] = '%(date)s'.join((request.POST['Subject-0'], request.POST['Subject-2'])) | |
284 settings['Stylesheet'] = request.POST['Stylesheet'] | |
285 settings['CSS file'] = request.POST.get('CSS file') | |
286 settings['Friends'] = ', '.join(request.POST.getall('Friends')) | |
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287 |
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288 errors = self.users.write_settings(user, **settings) |
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289 if errors: # re-display form with errors |
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290 return self.get_response(self.preferences(request, user, errors)) |
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291 |
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292 return self.get_response(self.preferences(request, user, message='Changes saved')) |
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293 elif len(path) == 1 and self.isentry(path[0]): |
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294 entry = self.blog.entry(user, path[0], roles['author']) |
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295 if entry is None: |
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296 return exc.HTTPNotFound("Blog entry %s not found %s" % path[0]) |
9 | 297 privacy = request.POST.get('privacy') |
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298 datestamp = entry.datestamp() |
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299 if privacy: |
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300 self.blog.delete(user, datestamp) |
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301 self.blog.post(user, datestamp, entry.body, privacy) |
23 | 302 return exc.HTTPSeeOther("Settings updated", location=self.user_url(request, user, datestamp)) |
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303 else: |
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304 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
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305 |
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306 # get the body of the post |
9 | 307 body = request.body |
308 body = request.POST.get('form-post', body) | |
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309 body = body.strip() |
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310 if not body: |
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311 return exc.HTTPSeeOther("Your post has no content! No blog for you", |
23 | 312 location=self.user_url(request, user, 'post')) |
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313 |
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314 # determine if the post is secret or private |
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315 privacy = request.GET.get('privacy') or request.POST.get('privacy') or 'public' |
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316 |
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317 # write the file |
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318 now = utils.datestamp(datetime.datetime.now()) |
23 | 319 location = self.user_url(request, user, now) |
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320 self.blog.post(user, now, body, privacy) |
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321 |
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322 # point the user at the post |
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323 return exc.HTTPSeeOther("Post blogged by bitsy", location=location) |
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324 |
9 | 325 def put(self, request): |
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326 """ |
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327 PUT several blog entries from a file |
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328 """ |
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329 |
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330 # find user + path |
9 | 331 user, path = self.userpath(request) |
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332 |
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333 if user not in self.users.users(): |
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334 return exc.HTTPNotFound("No blog found for %s" % user) |
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335 |
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336 if len(path): |
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337 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
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338 |
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339 # find the dates + entries in the file |
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340 regex = '\[.*\]:' |
9 | 341 entries = re.split(regex, request.body)[1:] |
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342 dates = [ date.strip().strip(':').strip('[]').strip() |
9 | 343 for date in re.findall(regex, request.body) ] |
0
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344 dates = [ dateutil.parser.parse(date) for date in dates ] |
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345 |
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346 # write to the blog |
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347 for i in range(len(entries)): |
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348 datestamp = utils.datestamp(dates[i]) |
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349 self.blog.post(user, datestamp, entries[i], 'public') |
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350 |
6 | 351 return exc.HTTPOk("%s posts blogged" % len(entries)) |
0
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352 |
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353 |
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354 def error(self): |
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355 """deal with non-supported methods""" |
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356 methods = ', '.join(self.response_functions.keys()[:1]) |
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357 methods += ' and %s' % self.response_functions.keys()[-1] |
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358 return exc.HTTPMethodNotAllowed("Only %s operations are allowed" % methods) |
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359 |
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360 ### auth/auth functions |
0
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361 |
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362 def passwords(self): |
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363 return self.users.passwords() |
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364 |
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365 def authenticated(self, request): |
0
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366 """return authenticated user""" |
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367 # XXX needed? |
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368 return request.environ.get('REMOTE_USER') |
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369 |
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370 def check_user(self, user, request): |
0
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371 """ |
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372 determine authenticated user |
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373 returns None on success |
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374 """ |
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375 authenticated = self.authenticated(request) |
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376 if authenticated is None: |
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377 return exc.HTTPUnauthorized('Unauthorized') |
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378 elif user != authenticated: |
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379 return exc.HTTPForbidden("Forbidden") |
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380 |
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381 def role(self, user, request): |
0
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382 """ |
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383 determine what role the authenticated member has |
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384 with respect to the user |
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385 """ |
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386 auth = self.authenticated(request) |
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387 if not auth: |
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388 return 'public' |
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389 if auth == user: |
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390 return 'author' |
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391 else: |
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392 if auth in request.user.settings['Friends']: |
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393 return 'friend' |
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394 else: |
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395 return 'public' |
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396 |
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397 ### user methods |
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398 |
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399 def userpath(self, request): |
0
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400 """user who's blog one is viewing""" |
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401 path = request.path_info.strip('/').split('/') |
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402 name = path[0] |
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403 path = path[1:] |
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404 if name: |
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405 if name not in self.users: |
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406 exc.HTTPNotFound("No blog found for %s" % name) |
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407 request.user = self.users[name] |
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408 else: |
0
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409 name = None |
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410 return name, path |
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411 |
34 | 412 ### methods for linking and URLs |
0
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413 |
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414 def link(self, request, path='', permanant=False): |
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415 if isinstance(path, basestring): |
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416 path = [ path ] |
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417 if not path: |
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418 path = [''] |
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419 path = [ i.strip('/') for i in path ] |
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420 if permanant: |
15 | 421 application_url = request.application_url |
0
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422 else: |
15 | 423 |
424 application_url = urlparse(request.application_url)[2] | |
425 path = [ application_url ] + list(path) | |
426 return '/'.join(path) | |
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427 |
15 | 428 def user_url(self, request, user, *args, **kw): |
429 """link to a user resource""" | |
430 permalink = kw.get('permalink', False) | |
431 path = [ user ] | |
432 path.extend(args) | |
433 return self.link(request, path, permalink) | |
434 | |
435 def permalink(self, request, blogentry): | |
436 """permalink for a blog entry""" | |
437 return self.user_url(request, blogentry.user, blogentry.datestamp(), permalink=True) | |
0
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438 |
9 | 439 def mangledurl(self, request, blogentry): |
15 | 440 """return a mangled url for obfuscated sharing""" |
9 | 441 return self.user_url(request, blogentry.user, 'x%x' % (int(blogentry.datestamp()) * self.users.secret(blogentry.user)), permalink=True) |
0
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442 |
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443 def unmangleurl(self, url, user): |
15 | 444 """unmangle a url for obfuscated sharing""" |
0
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445 url = url.strip('x') |
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446 try: |
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447 value = int(url, 16) |
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448 except ValueError: |
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449 return None |
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450 |
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451 # XXX once one has a mangled url, one can obtain the secret |
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452 value /= self.users.secret(user) |
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453 |
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454 entry = str(value) |
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455 if self.isentry(entry): |
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456 return self.blog.entry(user, entry, ['public', 'secret', 'private']) |
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457 |
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458 ### blog retrival methods |
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459 |
15 | 460 def isentry(self, string): # TODO -> blog.py |
461 """returns whether the string is a blog entry""" | |
462 return (len(string) == len(''.join(utils.timeformat))) and string.isdigit() | |
463 | |
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464 def number_of_posts(self, request, user=None): |
0
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465 """return the number of blog posts to display""" |
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466 # determine number of posts to display (None -> all) |
7
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467 n_posts = request.GET.get('posts', None) |
0
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468 if n_posts is not None: |
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469 try: |
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470 n_posts = int(n_posts) |
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471 if n_links > 0 and n_links > n_posts: |
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472 n_links = n_posts # don't display more links than posts |
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473 except (TypeError, ValueError): |
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474 n_posts = None |
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475 return n_posts |
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476 |
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477 def number_of_links(self, request, user=None): |
0
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478 """return the number of links to display in the navigation""" |
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479 n_links = request.GET.get('n') |
0
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480 if n_links == 'all': |
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481 return -1 |
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482 try: |
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483 n_links = int(n_links) |
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484 except (TypeError, ValueError): |
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485 n_links = self.n_links |
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486 return n_links |
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487 |
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488 def get_blog(self, user, path, role='public', n_items=None): |
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489 """retrieve the blog entry based on the path""" |
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490 |
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491 notfound = "blog entry not found" |
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492 |
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493 # get permissions |
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494 allowed = roles[role] |
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495 |
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496 # entire blog |
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497 if not path: |
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498 return self.blog(user, allowed, n_items) |
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499 |
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500 # mangled urls |
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501 if len(path) == 1 and path[0].startswith('x'): |
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502 entry = self.unmangleurl(path[0], user) |
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503 if entry: |
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504 return [ entry ] |
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505 else: |
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506 raise BlogPathException(notfound) |
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507 |
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508 # individual blog entry |
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509 if (len(path) == 1) and self.isentry(path[0]): |
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510 blog = self.blog.entry(user, path[0], allowed) |
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511 if not blog: |
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512 raise BlogPathException(notfound) |
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513 return [ blog ] |
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514 |
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515 # parse the path into a date path |
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516 n_date_vals = 3 # year, month, date |
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517 if len(path) > n_date_vals: |
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518 raise BlogPathException(notfound) |
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|
519 |
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520 # ensure the path conforms to expected values (ints): |
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521 try: |
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522 [ int(i) for i in path] |
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523 except ValueError: |
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524 raise BlogPathException(notfound) |
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|
525 |
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526 # get the blog |
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527 return self.blog.entries(user, allowed, *path) |
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528 |
34 | 529 ### methods for markup |
0
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530 |
17 | 531 def stylesheets(self, request): |
532 user = getattr(request, 'user', None) | |
533 if user: | |
534 stylesheets = request.user['CSS'] | |
535 stylesheets = [ (self.user_url(request, user.name, 'css', css['filename']), | |
536 css['name']) for css in stylesheets ] | |
537 else: | |
538 stylesheets = [(self.link(request, "css/site.css"), "Default")] | |
539 return stylesheets | |
540 | |
541 | |
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542 def site_nav(self, request): |
0
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543 """returns HTML for site navigation""" |
15 | 544 |
29
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fixing def link for cases of empty path
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diff
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545 links = [(self.link(request), '/')] |
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546 user = self.authenticated(request) |
0
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|
547 if user: |
15 | 548 links.extend([(self.user_url(request, user), user), |
20
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parents:
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diff
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549 (self.user_url(request, user, 'post'), 'post'), |
15 | 550 (self.user_url(request, user, 'preferences'), 'preferences'), |
551 (self.link(request, 'logout'), 'logout')]) | |
0
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552 else: |
15 | 553 links.extend([(self.link(request, 'login'), 'login'), |
554 (self.link(request, 'join'), 'join')]) | |
0
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parents:
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|
555 |
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556 if hasattr(self, 'help'): |
15 | 557 links.append((self.link(request, 'help'), 'help')) |
0
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parents:
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558 |
15 | 559 request.environ['data']['links'] = links |
560 | |
0
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parents:
diff
changeset
|
561 |
19
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* fixing up index to display [in progress]
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diff
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562 def index(self, request, n_links): |
20
1554cb56aa2f
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parents:
19
diff
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563 data = request.environ['data'] |
31
4ac11f7992c6
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parents:
29
diff
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564 data['n_links'] = n_links |
20
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got index working, just doesnt do anything
k0s <k0scist@gmail.com>
parents:
19
diff
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565 self.site_nav(request) |
31
4ac11f7992c6
index page now works and so does rss
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parents:
29
diff
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566 |
4ac11f7992c6
index page now works and so does rss
k0s <k0scist@gmail.com>
parents:
29
diff
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567 # get the blogs |
4ac11f7992c6
index page now works and so does rss
k0s <k0scist@gmail.com>
parents:
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diff
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568 blogs = {} |
4ac11f7992c6
index page now works and so does rss
k0s <k0scist@gmail.com>
parents:
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diff
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569 for user in self.users: |
4ac11f7992c6
index page now works and so does rss
k0s <k0scist@gmail.com>
parents:
29
diff
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570 blog = self.blog(user, ('public',), n_links) |
4ac11f7992c6
index page now works and so does rss
k0s <k0scist@gmail.com>
parents:
29
diff
changeset
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571 if blog: |
4ac11f7992c6
index page now works and so does rss
k0s <k0scist@gmail.com>
parents:
29
diff
changeset
|
572 blogs[user] = blog |
4ac11f7992c6
index page now works and so does rss
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parents:
29
diff
changeset
|
573 users = blogs.keys() |
4ac11f7992c6
index page now works and so does rss
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parents:
29
diff
changeset
|
574 |
4ac11f7992c6
index page now works and so does rss
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parents:
29
diff
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|
575 # display latest active user first |
4ac11f7992c6
index page now works and so does rss
k0s <k0scist@gmail.com>
parents:
29
diff
changeset
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576 users.sort(key=lambda user: blogs[user][0].date, reverse=True) |
4ac11f7992c6
index page now works and so does rss
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parents:
29
diff
changeset
|
577 |
4ac11f7992c6
index page now works and so does rss
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parents:
29
diff
changeset
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578 data['blogs'] = blogs |
4ac11f7992c6
index page now works and so does rss
k0s <k0scist@gmail.com>
parents:
29
diff
changeset
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579 data['users'] = users |
4ac11f7992c6
index page now works and so does rss
k0s <k0scist@gmail.com>
parents:
29
diff
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580 data['date_formats'] = dict([(user, self.users[user].settings.get('Date format', self.date_format)) for user in users]) |
4ac11f7992c6
index page now works and so does rss
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parents:
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diff
changeset
|
581 |
4ac11f7992c6
index page now works and so does rss
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parents:
29
diff
changeset
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582 # render the template |
20
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got index working, just doesnt do anything
k0s <k0scist@gmail.com>
parents:
19
diff
changeset
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583 template = self.loader.load('index.html') |
1554cb56aa2f
got index working, just doesnt do anything
k0s <k0scist@gmail.com>
parents:
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diff
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584 return template.generate(**request.environ['data']).render() |
0
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initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
k0s <k0scist@gmail.com>
parents:
diff
changeset
|
585 |
e3823be6a423
initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
k0s <k0scist@gmail.com>
parents:
diff
changeset
|
586 |
7
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587 def write_blog(self, user, blog, path, n_links, request): |
0
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588 """return the user's blog in HTML""" |
15 | 589 |
590 # XXX probably should go elsewhere | |
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591 for entry in blog: |
15 | 592 if (user, entry.datestamp()) not in self.cooked_bodies: |
593 self.cooked_bodies[(user, entry.datestamp())] = self.cooker(entry.body) | |
594 entry.cooked_body = Markup(self.cooked_bodies[(user, entry.datestamp())]) | |
595 | |
596 # site nav | |
597 # XXX def site_nav() puts directly in request.environ['data'] | |
598 # should return instead | |
599 self.site_nav(request) | |
600 | |
601 # user data -> should be moved up the chain | |
602 data = request.environ['data'] | |
603 data['user'] = user | |
604 data['role'] = self.role(user, request) | |
17 | 605 data['stylesheets'] = self.stylesheets(request) |
15 | 606 data['subject'] = request.user.settings.get('Subject', self.subject) |
607 data['date_format'] = request.user.settings.get('Date format', self.date_format) | |
608 data['mangledurl'] = self.mangledurl | |
609 | |
610 # blog data | |
611 data['blog'] = blog | |
612 data['n_links'] = n_links | |
613 | |
614 # render the template | |
615 template = self.loader.load('blog.html') | |
616 return template.generate(**data).render() | |
0
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617 |
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618 def restructuredText(self, string): |
17 | 619 """renders a string with restructured text""" |
620 | |
0
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621 settings = { 'report_level': 5 } |
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622 string = string.strip() |
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623 try: |
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624 |
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625 parts = docutils.core.publish_parts(string.strip(), |
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626 writer_name='html', |
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627 settings_overrides=settings) |
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628 body = parts['body'] |
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629 except SystemMessage, e: |
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630 lines = [ cgi.escape(i.strip()) for i in string.split('\n') ] |
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631 body = '<br/>\n'.join(lines) |
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632 |
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633 |
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634 retval = '<div class="blog-body">%s</div>' % body |
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635 return retval |
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636 |
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637 # # XXX this should be reenabled if 'system-message's again appear in the markup |
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638 # try: |
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639 # foo = etree.fromstring(retval) |
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640 # except etree.XMLSyntaxError: |
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641 # return retval |
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642 # # should cleanup the <div class="system-message"> |
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643 # for i in foo.getiterator(): |
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644 # if dict(i.items()).get('class') == 'system-message': |
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645 # i.clear() |
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646 |
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647 # return etree.tostring(foo) |
0
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648 |
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649 |
0
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650 ### feeds |
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651 |
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652 def site_rss(self, request, n_items=10): |
0
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653 blog = self.blog.latest(list(self.users.users()), n_items) |
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654 title = self.site_name + ' - rss' |
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655 link = request.application_url |
0
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656 description = "latest scribblings on %s" % self.site_name |
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657 lastBuildDate = datetime.datetime.now() |
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658 items = [ self.rss_item(request, entry.user, entry) for entry in blog ] |
0
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659 rss = PyRSS2Gen.RSS2(title=title, |
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660 link=link, |
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661 description=description, |
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662 lastBuildDate=lastBuildDate, |
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663 items=items) |
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664 return rss.to_xml() |
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665 |
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666 def rss(self, request, user, blog): |
0
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667 """ |
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668 rss feed for a user's blog |
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669 done with PyRSS2Gen: |
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670 http://www.dalkescientific.com/Python/PyRSS2Gen.html |
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671 """ |
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672 title = "%s's blog" % user |
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673 link = os.path.split(request.url)[0] |
0
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674 description = "latest blog entries for %s on %s" % (user, self.site_name) |
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675 lastBuildDate = datetime.datetime.now() # not sure what this means |
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676 |
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677 items = [ self.rss_item(request, user, entry) for entry in blog ] |
0
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678 rss = PyRSS2Gen.RSS2(title=title, |
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679 link=link, |
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680 description=description, |
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681 lastBuildDate=lastBuildDate, |
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682 items=items) |
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683 return rss.to_xml() |
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684 |
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685 def rss_item(self, request, user, entry): |
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686 if hasattr(request, 'user') and request.user.name == user: |
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687 prefs = request.user.settings |
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688 else: |
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689 prefs = self.users[user].settings |
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690 subject = prefs.get('Subject', self.subject) |
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691 date_format = prefs.get('Date format', self.date_format) |
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692 title = entry.title() |
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693 link = self.permalink(request, entry) |
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694 return PyRSS2Gen.RSSItem(title=title, |
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695 link=link, |
0
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696 description=unicode(entry.body, errors='replace'), |
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697 author=user, |
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698 guid=PyRSS2Gen.Guid(link), |
0
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699 pubDate=entry.date) |
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700 |
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701 |
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702 def atom(self, request, blog, author=None): |
0
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703 |
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704 # data for genshi template |
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705 date = blog[0].date.isoformat() |
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706 data = request.environ['data'] |
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707 data['blog'] = blog |
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708 data['author'] = author |
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709 data['date'] = date |
0
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710 |
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711 # render the template |
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712 template = self.loader.load('atom.xml') |
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713 return template.generate(**data).render() |
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714 |
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715 |
34 | 716 ### forms |
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717 |
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718 def form_post(self, request, user): |
21 | 719 |
720 # genshi data | |
721 self.site_nav(request) | |
722 data = request.environ['data'] | |
723 data['user'] = user | |
724 data['stylesheets'] = self.stylesheets(request) | |
725 | |
726 # render the template | |
727 template = self.loader.load('post.html') | |
728 return template.generate(**data).render() | |
729 | |
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730 |
12
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731 def preferences(self, request, user, errors=None, message=None): |
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732 """user preferences form""" |
26 | 733 |
734 # genshi data | |
735 self.site_nav(request) | |
736 data = request.environ['data'] | |
737 data['user'] = user | |
738 data['stylesheets'] = self.stylesheets(request) | |
739 | |
740 # form data | |
741 prefs = request.user.settings | |
742 data['date_format'] = prefs.get('Date format', self.date_format) | |
743 data['now'] = datetime.datetime.now().strftime(data['date_format']) | |
744 subject = prefs.get('Subject', self.subject) | |
745 data['subject'] = subject.split('%(date)s', 1) | |
746 data['css_files'] = [ i['name'] for i in prefs['CSS' ] ] | |
747 data['users'] = [ i for i in list(self.users.users()) | |
748 if i != user ] | |
749 data['message'] = message | |
28 | 750 data['errors'] = errors or {} |
26 | 751 |
752 # render the template | |
753 template = self.loader.load('preferences.html') | |
754 return template.generate(**data).render() | |
755 | |
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756 |
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757 class BitsierBlog(BitsyBlog): |
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758 """single user version of bitsyblog""" |
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759 |
7
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760 def get(self, request): |
9 | 761 |
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762 ### user space |
7
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763 user, path = self.userpath(request) |
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764 if user not in self.users: |
9 | 765 return exc.HTTPNotFound("Blog entry not found") |
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766 |
7
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767 return self.get_user_space(user, path, request) |
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768 |
7
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769 def userpath(self, request): |
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770 path = request.path_info.strip('/').split('/') |
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771 if path == ['']: |
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772 path = [] |
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773 request.user = self.users[self.user] |
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774 return self.user, path |
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775 |
9 | 776 def user_url(self, request, user, *args, **kw): |
15 | 777 permalink = kw.get('permalink', False) |
778 return self.link(request, args, permalink) | |
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779 |
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780 def passwords(self): |
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781 return { self.user: self.users.password(self.user) } |
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782 |
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783 def site_nav(self, request): |
0
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784 """returns HTML for site navigation""" |
15 | 785 links = [(self.user_url(request, self.user), self.user), ] |
7
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786 user = self.authenticated(request) |
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787 if user: |
15 | 788 links.extend([(self.user_url(request, user, 'post'), 'post'), |
789 (self.user_url(request, user, 'preferences'), 'preferences'), | |
790 (self.link(request, 'logout'), 'logout')]) | |
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791 else: |
15 | 792 links.append((self.link(request, 'login'), 'login')) |
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793 |
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794 if hasattr(self, 'help'): |
15 | 795 links.append((self.link(request, 'help'), 'about')) |
796 | |
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797 |
15 | 798 request.environ['data']['links'] = links |
799 |