Mercurial > hg > bitsyblog
annotate bitsyblog/bitsyblog.py @ 130:fbcbcd36329e
py3
author | Jeff Hammel <k0scist@gmail.com> |
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date | Tue, 03 Nov 2020 15:04:10 -0800 |
parents | ff44e92fe93f |
children | 2d944e8f24e9 |
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 |
112 | 17 from . import utils |
100
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18 from .blog import FileBlog |
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19 from .roles import roles |
119 | 20 from .user import FilespaceUsers |
116 | 21 |
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22 from docutils.utils import SystemMessage |
15 | 23 from genshi.builder import Markup |
9 | 24 from genshi.template import TemplateLoader |
116 | 25 from io import StringIO |
58 | 26 from paste.fileapp import FileApp |
71 | 27 from pkg_resources import iter_entry_points |
6 | 28 from pkg_resources import resource_filename |
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29 from webob import Request, Response, exc |
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30 |
118 | 31 # python3 (only, for now and probably ever) |
32 string = (str,) | |
33 | |
117 | 34 try: |
35 # python2 | |
36 from urlparse import urlparse | |
37 except ImportError: | |
38 # python3 | |
39 from urllib.parse import urlparse | |
40 | |
59 | 41 |
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42 class BlogPathException(Exception): |
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43 """exception when trying to retrieve the blog""" |
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44 |
97 | 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 |
58 | 50 defaults = { 'date_format': '%H:%M %F', # default date format |
51 'file_dir': os.path.dirname(__file__), # where the blog is kept | |
52 'subject': '[ %(date)s ]:', # default subject | |
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53 'n_links': 5, # number of links for navigation |
58 | 54 'site_name': 'bitsyblog', # name of the site (needed?) |
55 'header': None, # text to insert as first child of body' | |
56 'template_directories': '', # space separated template_directories | |
88 | 57 'auto_reload': True, # reload the genshi templates |
58 | 58 'help_file': None, # help to display |
59 'feed_items': 10, # number of RSS/atom items to display | |
89 | 60 'post_handlers': '', # post handlers |
61 'rss_html': True, # whether to render rss descriptions as HTML | |
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62 } |
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63 |
15 | 64 cooked_bodies = {} |
65 | |
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66 def __init__(self, kw, handler_args): |
88 | 67 |
68 # set values from defaults and kw | |
69 for key, value in self.defaults.items(): | |
70 kw_value = kw.get(key, value) | |
71 | |
72 # convert kw_value to the proper type | |
73 _type = type(value) | |
118 | 74 if isinstance(kw_value, string) and not issubclass(_type, string) and value is not None: |
88 | 75 if _type == bool: |
76 kw_value = kw_value.lower() == 'true' | |
77 else: | |
78 kw_value = _type(kw_value) | |
79 setattr(self, key, kw_value) | |
80 | |
87 | 81 self.response_functions = {'GET': self.get, |
82 'POST': self.post, | |
83 'PUT': self.put | |
84 } | |
82 | 85 |
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86 # abstract attributes |
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87 self.users = FilespaceUsers(self.file_dir) |
71 | 88 self.blog = FileBlog(self.file_dir) |
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89 self.cooker = self.restructuredText |
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90 |
9 | 91 # template renderer |
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92 self.template_directories = self.template_directories.split() # no spaces in directory names, for now |
63 | 93 |
94 for directory in self.template_directories: | |
95 assert os.path.isdir(directory), "Bitsyblog template directory %s does not exist!" % directory | |
82 | 96 |
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97 self.template_directories.append(resource_filename(__name__, 'templates')) |
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98 self.loader = TemplateLoader(self.template_directories, |
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99 auto_reload=self.auto_reload) |
9 | 100 |
101 # helpfile | |
3 | 102 if self.help_file and os.path.exists(self.help_file): |
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103 help = file(self.help_file).read() |
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104 self.help = docutils.core.publish_string(help, |
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105 writer_name='html', |
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106 settings_overrides={'report_level': 5}) |
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107 |
50 | 108 # header |
109 if self.header: | |
51 | 110 if os.path.exists(self.header): |
130 | 111 self.header = open(self.header).read() |
50 | 112 self.header = Markup(self.header) |
113 | |
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114 # for BitsyAuth |
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115 self.newuser = self.users.new |
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116 |
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117 # post handlers |
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118 self.post_handlers = [ i for i in self.post_handlers.split() if i ] |
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119 self.handlers = [] # handlers for blog post event |
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120 for entry_point in iter_entry_points('bitsyblog.listeners'): |
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121 if entry_point.name in self.post_handlers: |
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122 try: |
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123 handler = entry_point.load()(self, **handler_args.get(entry_point.name, {})) |
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124 self.handlers.append(handler) |
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125 except: |
109 | 126 print('Cant load entry point %s' % entry_point.name) |
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127 raise |
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128 |
97 | 129 |
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130 ### methods dealing with HTTP |
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131 |
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132 def __call__(self, environ, start_response): |
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133 request = Request(environ) |
27 | 134 |
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135 # genshi data dictionary |
98 | 136 request.environ['data'] = {'site_name': self.site_name, |
137 'request': request, | |
138 'link': self.link, | |
139 'logo': self.logo(request), | |
140 'header': self.header, | |
141 'user_url': self.user_url, | |
142 'permalink': self.permalink } | |
27 | 143 |
97 | 144 res = self.response_functions.get(request.method, self.method_not_allowed)(request) |
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145 return res(environ, start_response) |
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146 |
98 | 147 ## GET |
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148 |
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149 def logo(self, request): |
34 | 150 """link to the logo""" |
82 | 151 _logo = 'bitsyblog.png' # TODO: should go to self.logo |
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152 logo = os.path.join(self.file_dir, _logo) |
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153 if os.path.exists(logo): |
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154 return self.link(request, _logo) |
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155 |
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156 def get_index(self, request): |
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157 """returns material pertaining to the root of the site""" |
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158 |
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159 path = request.path_info.strip('/') |
90 | 160 n_posts = self.number_of_posts(request) |
161 n_links = self.number_of_links(request, n_posts) | |
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162 |
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163 ### the front page |
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164 if not path: |
58 | 165 return Response(content_type='text/html', body=self.index(request, n_links)) |
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166 |
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167 ### feeds |
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168 |
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169 # site rss |
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170 if path == 'rss': |
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171 if n_posts is None: |
58 | 172 n_posts = self.feed_items |
173 return Response(content_type='text/xml', body=self.site_rss(request, n_posts)) | |
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174 |
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175 # site atom |
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176 if path == 'atom': |
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177 if n_posts is None: |
58 | 178 n_posts = self.feed_items |
179 return Response(content_type='text/xml', body=self.atom(request, self.blog.latest(self.users.users(), n_posts))) | |
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180 |
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181 ### help |
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182 if path == 'help' and hasattr(self, 'help'): |
58 | 183 return Response(content_type='text/html', body=self.help) |
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184 |
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185 ### static files |
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186 |
82 | 187 # site.css |
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188 if path == 'css/site.css': |
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189 css_file = os.path.join(self.file_dir, 'site.css') |
58 | 190 return FileApp(css_file) |
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191 |
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192 # logo |
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193 if path == 'bitsyblog.png': |
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194 logo = os.path.join(self.file_dir, 'bitsyblog.png') |
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195 if not self.logo(request): |
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196 raise exc.HTTPNotFound |
58 | 197 return FileApp(logo) |
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198 |
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199 def get_user_space(self, user, path, request): |
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200 """returns a part of the user space""" |
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201 |
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202 check = self.check_user(user, request) # is this the authenticated user? |
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203 feed = None # not an rss/atom feed by default (flag) |
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204 n_posts = self.number_of_posts(request, user) |
90 | 205 n_links = self.number_of_links(request, n_posts, user) |
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206 |
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207 # special paths |
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208 if path == [ 'post' ]: |
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209 if check is not None: |
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210 return check |
58 | 211 return Response(content_type='text/html', body=self.form_post(request, user)) |
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212 |
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213 if path == [ 'preferences' ]: |
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214 if check is not None: |
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215 return check |
58 | 216 return Response(content_type='text/html', body=self.preferences(request, user)) |
82 | 217 |
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218 if path in (['atom'], ['rss']): |
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219 # feeds |
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220 feed = path.pop() |
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221 n_posts = n_posts or self.feed_items |
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222 |
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223 if len(path) == 2: |
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224 if path[0] == 'css': |
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225 for i in request.user.settings['CSS']: |
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226 # find the right CSS file |
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227 if i['filename'] == path[1]: |
58 | 228 return Response(content_type='text/css', body=i['css']) |
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229 else: |
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230 return exc.HTTPNotFound('CSS "%s" not found' % path[1]) |
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231 |
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232 role = self.role(user, request) |
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233 |
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234 # get the blog |
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235 try: |
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236 blog = self.get_blog(user, path, role, n_items=n_posts) |
110 | 237 except BlogPathException as e: |
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238 return exc.HTTPNotFound(str(e)) |
110 | 239 except exc.HTTPException as e: |
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240 return e.wsgi_response |
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241 |
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242 if feed == 'rss': |
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243 content = self.rss(request, user, blog) # XXX different signatures |
58 | 244 return Response(content_type='text/xml', body=content) |
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245 |
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246 if feed == 'atom': |
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247 content = self.atom(request, blog, user) # XXX different signatures |
58 | 248 return Response(content_type='text/xml', body=content) |
82 | 249 |
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250 # reverse the blog if necessary |
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251 if request.GET.get('sort') == 'forward': |
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252 blog = list(reversed(blog)) |
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253 |
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254 # write the blog |
58 | 255 if request.GET.get('format') == 'text': |
256 content = self.text_blog(blog) | |
257 content_type = 'text/plain' | |
258 else: | |
259 content = self.write_blog(user, blog, request.path_info, n_links, request) | |
260 content_type = 'text/html' | |
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261 |
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262 # return the content |
58 | 263 return Response(content_type=content_type, body=content) |
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264 |
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265 def get(self, request): |
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266 """respond to a get request""" |
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267 |
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268 # front matter of the site |
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269 index = self.get_index(request) |
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270 if index is not None: |
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271 return index |
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272 |
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273 # user space |
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274 user, path = self.userpath(request) |
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275 return self.get_user_space(user, path, request) |
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276 |
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277 |
98 | 278 ## POST |
279 | |
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280 def post(self, request): |
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281 """ |
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282 write a blog entry and other POST requests |
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283 """ |
82 | 284 |
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285 # find user + path |
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286 user, path = self.userpath(request) |
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287 |
23 | 288 # check to make sure the user is authenticated |
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289 # and is the resource owner |
23 | 290 check = self.check_user(user, request) |
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291 if check is not None: |
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292 return check |
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293 |
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294 if len(path): |
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295 |
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296 if path == [ 'preferences' ]: |
82 | 297 |
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298 # make the data look like we want |
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299 settings = {} |
9 | 300 settings['Date format'] = request.POST.get('Date format') |
301 settings['Subject'] = '%(date)s'.join((request.POST['Subject-0'], request.POST['Subject-2'])) | |
302 settings['Stylesheet'] = request.POST['Stylesheet'] | |
303 settings['CSS file'] = request.POST.get('CSS file') | |
304 settings['Friends'] = ', '.join(request.POST.getall('Friends')) | |
82 | 305 |
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306 errors = self.users.write_settings(user, **settings) |
82 | 307 if errors: # re-display form with errors |
98 | 308 return Response(content_type='text/html', |
309 body=self.preferences(request, user, errors)) | |
82 | 310 |
98 | 311 return Response(content_type='text/html', |
312 body=self.preferences(request, user, message='Changes saved')) | |
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313 elif len(path) == 1 and self.isentry(path[0]): |
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314 entry = self.blog.entry(user, path[0], roles['author']) |
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315 if entry is None: |
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316 return exc.HTTPNotFound("Blog entry %s not found %s" % path[0]) |
9 | 317 privacy = request.POST.get('privacy') |
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318 datestamp = entry.datestamp() |
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319 if privacy: |
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320 self.blog.delete(user, datestamp) |
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321 self.blog.post(user, datestamp, entry.body, privacy) |
23 | 322 return exc.HTTPSeeOther("Settings updated", location=self.user_url(request, user, datestamp)) |
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323 else: |
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324 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
82 | 325 |
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326 # get the body of the post |
9 | 327 body = request.body |
328 body = request.POST.get('form-post', body) | |
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329 body = body.strip() |
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330 if not body: |
82 | 331 return exc.HTTPSeeOther("Your post has no content! No blog for you", |
23 | 332 location=self.user_url(request, user, 'post')) |
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333 |
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334 # determine if the post is secret or private |
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335 privacy = request.GET.get('privacy') or request.POST.get('privacy') or 'public' |
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336 |
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337 # write the file |
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338 now = utils.datestamp(datetime.datetime.now()) |
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339 location = self.user_url(request, user, now, permalink=True) |
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340 blog_entry = self.blog.post(user, now, body, privacy) |
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341 |
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342 # fire event handlers |
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343 # XXX could be done asynchronously |
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344 for handler in self.handlers: |
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345 try: |
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346 handler(blog_entry, location) |
105
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347 except Exception as e: # XXX bare except! |
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348 print ("Error processing {}: {}".format(handler, e)) |
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349 |
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350 # point the user at the post |
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351 return exc.HTTPSeeOther("Post blogged by bitsy", location=location) |
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352 |
9 | 353 def put(self, request): |
0
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354 """ |
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355 PUT several blog entries from a file |
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356 """ |
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357 |
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358 # find user + path |
9 | 359 user, path = self.userpath(request) |
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360 |
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361 if user not in self.users.users(): |
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362 return exc.HTTPNotFound("No blog found for %s" % user) |
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363 |
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364 if len(path): |
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365 return exc.HTTPMethodNotAllowed("Not sure what you're trying to do") |
87 | 366 |
0
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367 # find the dates + entries in the file |
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368 regex = '\[.*\]:' |
9 | 369 entries = re.split(regex, request.body)[1:] |
0
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370 dates = [ date.strip().strip(':').strip('[]').strip() |
9 | 371 for date in re.findall(regex, request.body) ] |
0
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372 dates = [ dateutil.parser.parse(date) for date in dates ] |
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373 |
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374 # write to the blog |
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375 for i in range(len(entries)): |
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376 datestamp = utils.datestamp(dates[i]) |
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377 self.blog.post(user, datestamp, entries[i], 'public') |
87 | 378 |
6 | 379 return exc.HTTPOk("%s posts blogged" % len(entries)) |
0
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380 |
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381 |
97 | 382 def method_not_allowed(self, request): |
0
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383 """deal with non-supported methods""" |
97 | 384 allowed = self.response_functions.keys() |
385 methods = ', '.join(allowed[:1]) | |
386 methods += ((' and %s' % (allowed[-1])) | |
387 if (len(allowed) > 1) | |
388 else allowed[0] | |
389 ) | |
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390 return exc.HTTPMethodNotAllowed("Only %s operations are allowed" % methods) |
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391 |
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392 ### auth/auth functions |
0
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393 |
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394 def passwords(self): |
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395 return self.users.passwords() |
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396 |
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397 def authenticated(self, request): |
0
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398 """return authenticated user""" |
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399 return request.environ.get('REMOTE_USER') |
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400 |
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401 def check_user(self, user, request): |
0
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402 """ |
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403 determine authenticated user |
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404 returns None on success |
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405 """ |
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406 authenticated = self.authenticated(request) |
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407 if authenticated is None: |
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408 return exc.HTTPUnauthorized('Unauthorized') |
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409 elif user != authenticated: |
87 | 410 return exc.HTTPForbidden("Forbidden") |
0
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411 |
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412 def role(self, user, request): |
0
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413 """ |
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414 determine what role the authenticated member has |
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415 with respect to the user |
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416 """ |
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417 auth = self.authenticated(request) |
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418 if not auth: |
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419 return 'public' |
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420 if auth == user: |
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421 return 'author' |
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422 else: |
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423 if auth in request.user.settings['Friends']: |
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424 return 'friend' |
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425 else: |
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426 return 'public' |
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427 |
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428 ### user methods |
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429 |
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430 def userpath(self, request): |
87 | 431 """user who's blog one is viewing""" |
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432 path = request.path_info.strip('/').split('/') |
0
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433 name = path[0] |
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434 path = path[1:] |
14
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435 if name: |
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436 if name not in self.users: |
35
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437 exc.HTTPNotFound("No blog found for %s" % name) |
14
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438 request.user = self.users[name] |
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439 else: |
0
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440 name = None |
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441 return name, path |
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442 |
34 | 443 ### methods for linking and URLs |
0
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444 |
29
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445 def link(self, request, path='', permanant=False): |
12
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446 if isinstance(path, basestring): |
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447 path = [ path ] |
48
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448 if not path: |
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449 path = [''] |
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450 path = [ i.strip('/') for i in path ] |
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451 if permanant: |
15 | 452 application_url = request.application_url |
0
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453 else: |
15 | 454 application_url = urlparse(request.application_url)[2] |
455 path = [ application_url ] + list(path) | |
456 return '/'.join(path) | |
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457 |
15 | 458 def user_url(self, request, user, *args, **kw): |
459 """link to a user resource""" | |
460 permalink = kw.get('permalink', False) | |
461 path = [ user ] | |
462 path.extend(args) | |
463 return self.link(request, path, permalink) | |
464 | |
465 def permalink(self, request, blogentry): | |
466 """permalink for a blog entry""" | |
467 return self.user_url(request, blogentry.user, blogentry.datestamp(), permalink=True) | |
0
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468 |
9 | 469 def mangledurl(self, request, blogentry): |
15 | 470 """return a mangled url for obfuscated sharing""" |
9 | 471 return self.user_url(request, blogentry.user, 'x%x' % (int(blogentry.datestamp()) * self.users.secret(blogentry.user)), permalink=True) |
0
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472 |
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473 def unmangleurl(self, url, user): |
15 | 474 """unmangle a url for obfuscated sharing""" |
0
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475 url = url.strip('x') |
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476 try: |
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477 value = int(url, 16) |
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478 except ValueError: |
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479 return None |
87 | 480 |
0
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481 # XXX once one has a mangled url, one can obtain the secret |
87 | 482 value /= self.users.secret(user) |
0
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483 |
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484 entry = str(value) |
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485 if self.isentry(entry): |
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486 return self.blog.entry(user, entry, ['public', 'secret', 'private']) |
87 | 487 |
0
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488 ### blog retrival methods |
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489 |
15 | 490 def isentry(self, string): # TODO -> blog.py |
491 """returns whether the string is a blog entry""" | |
492 return (len(string) == len(''.join(utils.timeformat))) and string.isdigit() | |
493 | |
7
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494 def number_of_posts(self, request, user=None): |
0
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495 """return the number of blog posts to display""" |
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496 # determine number of posts to display (None -> all) |
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497 n_posts = request.GET.get('posts', None) |
0
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498 if n_posts is not None: |
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499 try: |
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500 n_posts = int(n_posts) |
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501 except (TypeError, ValueError): |
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502 n_posts = None |
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503 return n_posts |
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504 |
90 | 505 def number_of_links(self, request, n_posts=None, user=None): |
0
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506 """return the number of links to display in the navigation""" |
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507 n_links = request.GET.get('n') |
0
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508 if n_links == 'all': |
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509 return -1 |
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510 try: |
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511 n_links = int(n_links) |
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512 except (TypeError, ValueError): |
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513 n_links = self.n_links |
90 | 514 if n_posts and n_links > 0 and n_links > n_posts: |
515 n_links = n_posts # don't display more links than posts | |
0
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516 return n_links |
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517 |
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518 def get_blog(self, user, path, role='public', n_items=None): |
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519 """retrieve the blog entry based on the path""" |
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520 |
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521 notfound = "blog entry not found" |
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522 |
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523 # get permissions |
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524 allowed = roles[role] |
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525 |
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526 # entire blog |
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527 if not path: |
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528 return self.blog(user, allowed, n_items) |
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529 |
87 | 530 # mangled urls |
0
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531 if len(path) == 1 and path[0].startswith('x'): |
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532 entry = self.unmangleurl(path[0], user) |
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533 if entry: |
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534 return [ entry ] |
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535 else: |
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536 raise BlogPathException(notfound) |
87 | 537 |
0
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538 # individual blog entry |
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539 if (len(path) == 1) and self.isentry(path[0]): |
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540 blog = self.blog.entry(user, path[0], allowed) |
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541 if not blog: |
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542 raise BlogPathException(notfound) |
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543 return [ blog ] |
87 | 544 |
0
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545 # parse the path into a date path |
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546 n_date_vals = 3 # year, month, date |
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547 if len(path) > n_date_vals: |
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548 raise BlogPathException(notfound) |
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549 |
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550 # ensure the path conforms to expected values (ints): |
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551 try: |
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552 [ int(i) for i in path] |
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553 except ValueError: |
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554 raise BlogPathException(notfound) |
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555 |
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556 # get the blog |
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557 return self.blog.entries(user, allowed, *path) |
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558 |
34 | 559 ### methods for markup |
0
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560 |
17 | 561 def stylesheets(self, request): |
562 user = getattr(request, 'user', None) | |
563 if user: | |
564 stylesheets = request.user['CSS'] | |
565 stylesheets = [ (self.user_url(request, user.name, 'css', css['filename']), | |
566 css['name']) for css in stylesheets ] | |
567 else: | |
568 stylesheets = [(self.link(request, "css/site.css"), "Default")] | |
569 return stylesheets | |
570 | |
7
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571 def site_nav(self, request): |
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572 """returns HTML for site navigation""" |
15 | 573 |
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574 links = [(self.link(request), '/')] |
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575 user = self.authenticated(request) |
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576 if user: |
15 | 577 links.extend([(self.user_url(request, user), user), |
20
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578 (self.user_url(request, user, 'post'), 'post'), |
15 | 579 (self.user_url(request, user, 'preferences'), 'preferences'), |
580 (self.link(request, 'logout'), 'logout')]) | |
0
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581 else: |
105
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582 links.extend([(self.link(request, 'login'), 'login'), |
15 | 583 (self.link(request, 'join'), 'join')]) |
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584 |
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585 if hasattr(self, 'help'): |
15 | 586 links.append((self.link(request, 'help'), 'help')) |
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587 |
15 | 588 request.environ['data']['links'] = links |
589 | |
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590 |
19
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591 def index(self, request, n_links): |
20
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592 data = request.environ['data'] |
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593 data['n_links'] = n_links |
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594 self.site_nav(request) |
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595 |
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596 # get the blogs |
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597 blogs = {} |
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598 for user in self.users: |
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599 blog = self.blog(user, ('public',), n_links) |
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600 if blog: |
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601 blogs[user] = blog |
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602 users = blogs.keys() |
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603 |
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604 # display latest active user first |
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605 users.sort(key=lambda user: blogs[user][0].date, reverse=True) |
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606 |
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607 data['blogs'] = blogs |
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608 data['users'] = users |
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609 data['date_formats'] = dict([(user, self.users[user].settings.get('Date format', self.date_format)) for user in users]) |
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610 |
31
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611 # render the template |
20
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612 template = self.loader.load('index.html') |
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613 return template.generate(**request.environ['data']).render() |
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614 |
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615 def cooked_entry(self, entry): |
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616 """cook the entry""" |
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617 if (entry.user, entry.datestamp()) not in self.cooked_bodies: |
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618 self.cooked_bodies[(entry.user, entry.datestamp())] = (self.cooker(entry.body), entry.modified()) |
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619 body, modified = self.cooked_bodies[(entry.user, entry.datestamp())] |
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620 if entry.modified() > modified: |
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621 body = self.cooker(entry.body) |
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622 self.cooked_bodies[(entry.user, entry.datestamp())] = (body, entry.modified()) |
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623 return body |
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624 |
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625 def write_blog(self, user, blog, path, n_links, request): |
0
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626 """return the user's blog in HTML""" |
15 | 627 |
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628 # cook the entry |
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629 for entry in blog: |
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630 entry.cooked_body = Markup(self.cooked_entry(entry)) |
15 | 631 |
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632 # site nav |
15 | 633 # XXX def site_nav() puts directly in request.environ['data'] |
634 # should return instead | |
635 self.site_nav(request) | |
636 | |
637 # user data -> should be moved up the chain | |
638 data = request.environ['data'] | |
639 data['user'] = user | |
640 data['role'] = self.role(user, request) | |
17 | 641 data['stylesheets'] = self.stylesheets(request) |
15 | 642 data['subject'] = request.user.settings.get('Subject', self.subject) |
643 data['date_format'] = request.user.settings.get('Date format', self.date_format) | |
644 data['mangledurl'] = self.mangledurl | |
645 | |
646 # blog data | |
647 data['blog'] = blog | |
648 data['n_links'] = n_links | |
649 | |
650 # render the template | |
651 template = self.loader.load('blog.html') | |
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652 try: |
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653 return template.generate(**data).render() |
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654 except UnicodeDecodeError: |
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655 # TODO: better error handling |
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656 raise |
86 | 657 |
58 | 658 def text_blog(self, blog): |
86 | 659 """raw text format of blog""" |
660 | |
58 | 661 if len(blog) == 1: |
662 return blog[0].body.strip() + '\n' | |
663 | |
664 buffer = StringIO() | |
665 for entry in blog: | |
109 | 666 buffer.write('[ {} ]\n\n'.format(entry.date.strftime(self.date_format))) |
111 | 667 buffer.write('{}\n\n'.format(entry.body.strip())) |
58 | 668 return buffer.getvalue() |
86 | 669 |
0
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670 def restructuredText(self, string): |
86 | 671 """renders a string with restructured text""" |
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672 body = utils.ReST2html(string) |
111 | 673 return '<div class="blog-body">%s</div>' % body |
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674 |
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675 ### feeds |
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676 |
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677 def site_rss(self, request, n_items=10): |
0
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678 blog = self.blog.latest(list(self.users.users()), n_items) |
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679 title = self.site_name + ' - rss' |
89 | 680 link = request.application_url |
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681 description = "latest scribblings on %s" % self.site_name |
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682 lastBuildDate = datetime.datetime.now() |
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683 items = [ self.rss_item(request, entry.user, entry) for entry in blog ] |
89 | 684 rss = PyRSS2Gen.RSS2(title=title, |
0
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685 link=link, |
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686 description=description, |
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687 lastBuildDate=lastBuildDate, |
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688 items=items) |
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689 return rss.to_xml() |
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690 |
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691 def rss(self, request, user, blog): |
0
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692 """ |
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693 rss feed for a user's blog |
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694 done with PyRSS2Gen: |
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695 http://www.dalkescientific.com/Python/PyRSS2Gen.html |
89 | 696 """ |
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697 title = "%s's blog" % user |
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698 link = os.path.split(request.url)[0] |
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699 description = "latest blog entries for %s on %s" % (user, self.site_name) |
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700 lastBuildDate = datetime.datetime.now() # not sure what this means |
89 | 701 |
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702 items = [ self.rss_item(request, user, entry) for entry in blog ] |
89 | 703 rss = PyRSS2Gen.RSS2(title=title, |
0
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704 link=link, |
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705 description=description, |
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706 lastBuildDate=lastBuildDate, |
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707 items=items) |
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708 return rss.to_xml() |
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709 |
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710 def rss_item(self, request, user, entry): |
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711 if hasattr(request, 'user') and request.user.name == user: |
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712 prefs = request.user.settings |
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713 else: |
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714 prefs = self.users[user].settings |
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715 subject = prefs.get('Subject', self.subject) |
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716 date_format = prefs.get('Date format', self.date_format) |
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717 title = entry.title() |
31
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718 link = self.permalink(request, entry) |
89 | 719 |
720 # item description | |
721 if self.rss_html: | |
722 body = self.cooked_entry(entry) | |
723 else: | |
724 body = entry.body | |
725 body = unicode(body, errors='replace') | |
726 | |
727 return PyRSS2Gen.RSSItem(title=title, | |
31
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728 link=link, |
89 | 729 description=body, |
0
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730 author=user, |
31
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731 guid=PyRSS2Gen.Guid(link), |
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732 pubDate=entry.date) |
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733 |
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734 |
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735 def atom(self, request, blog, author=None): |
0
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736 |
35
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737 # data for genshi template |
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738 date = blog[0].date.isoformat() |
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739 data = request.environ['data'] |
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740 data['blog'] = blog |
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741 data['author'] = author |
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742 data['date'] = date |
0
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743 |
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744 # render the template |
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745 template = self.loader.load('atom.xml') |
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746 return template.generate(**data).render() |
89 | 747 |
0
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748 |
34 | 749 ### forms |
0
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750 |
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751 def form_post(self, request, user): |
21 | 752 |
753 # genshi data | |
754 self.site_nav(request) | |
755 data = request.environ['data'] | |
756 data['user'] = user | |
757 data['stylesheets'] = self.stylesheets(request) | |
758 | |
759 # render the template | |
760 template = self.loader.load('post.html') | |
761 return template.generate(**data).render() | |
762 | |
0
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763 |
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764 def preferences(self, request, user, errors=None, message=None): |
0
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765 """user preferences form""" |
26 | 766 |
767 # genshi data | |
768 self.site_nav(request) | |
769 data = request.environ['data'] | |
770 data['user'] = user | |
771 data['stylesheets'] = self.stylesheets(request) | |
772 | |
773 # form data | |
774 prefs = request.user.settings | |
775 data['date_format'] = prefs.get('Date format', self.date_format) | |
776 data['now'] = datetime.datetime.now().strftime(data['date_format']) | |
777 subject = prefs.get('Subject', self.subject) | |
778 data['subject'] = subject.split('%(date)s', 1) | |
779 data['css_files'] = [ i['name'] for i in prefs['CSS' ] ] | |
780 data['users'] = [ i for i in list(self.users.users()) | |
781 if i != user ] | |
782 data['message'] = message | |
28 | 783 data['errors'] = errors or {} |
26 | 784 |
785 # render the template | |
786 template = self.loader.load('preferences.html') | |
787 return template.generate(**data).render() | |
94 | 788 |
0
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789 |
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790 class BitsierBlog(BitsyBlog): |
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791 """single user version of bitsyblog""" |
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792 |
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793 defaults = BitsyBlog.defaults.copy() |
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794 defaults['user'] = None |
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795 |
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796 def __init__(self, kw, handler_args): |
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797 BitsyBlog.__init__(self, kw, handler_args) |
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798 assert self.user, 'BitsierBlog: no user given' |
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799 |
7
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800 def get(self, request): |
9 | 801 |
0
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802 ### user space |
7
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803 user, path = self.userpath(request) |
0
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804 if user not in self.users: |
9 | 805 return exc.HTTPNotFound("Blog entry not found") |
0
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806 |
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807 return self.get_user_space(user, path, request) |
0
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808 |
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809 def userpath(self, request): |
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810 path = request.path_info.strip('/').split('/') |
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811 if path == ['']: |
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812 path = [] |
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813 request.user = self.users[self.user] |
0
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814 return self.user, path |
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815 |
9 | 816 def user_url(self, request, user, *args, **kw): |
15 | 817 permalink = kw.get('permalink', False) |
818 return self.link(request, args, permalink) | |
0
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819 |
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820 def passwords(self): |
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821 return { self.user: self.users.password(self.user) } |
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822 |
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823 def site_nav(self, request): |
0
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824 """returns HTML for site navigation""" |
15 | 825 links = [(self.user_url(request, self.user), self.user), ] |
7
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826 user = self.authenticated(request) |
0
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827 if user: |
15 | 828 links.extend([(self.user_url(request, user, 'post'), 'post'), |
829 (self.user_url(request, user, 'preferences'), 'preferences'), | |
830 (self.link(request, 'logout'), 'logout')]) | |
0
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831 else: |
15 | 832 links.append((self.link(request, 'login'), 'login')) |
0
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833 |
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834 if hasattr(self, 'help'): |
15 | 835 links.append((self.link(request, 'help'), 'about')) |
836 | |
0
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837 |
15 | 838 request.environ['data']['links'] = links |