Mercurial > hg > bitsyblog
annotate bitsyblog/user.py @ 0:e3823be6a423
initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
author | k0s <k0scist@gmail.com> |
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date | Sat, 12 Sep 2009 16:06:57 -0400 |
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children | e5cbc53cacf8 |
rev | line source |
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0
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k0s <k0scist@gmail.com>
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1 import os |
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2 import random |
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3 import settings |
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4 import shutil |
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5 from bitsyblog import roles |
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6 from webob import exc |
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7 |
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8 class BitsyUser(object): |
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9 """interface class for a bitsyblog user""" |
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10 settings = {} |
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11 def __init__(self, name, password=''): |
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12 self.name = name |
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13 self.password = password |
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14 |
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15 # user behaves like a dictionary of settings |
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16 |
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17 def __getitem__(self, key): |
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18 return self.settings[key] |
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19 |
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20 def get(self, key, default=None): |
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21 return self.settings.get(key, default) |
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22 |
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23 class BitsyUsers(object): |
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24 """abstract class for bitsyblog user management""" |
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25 |
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26 def __iter__(self): return self.users() |
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27 |
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28 def __contains__(self, user): |
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29 return user in self.users() |
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30 |
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31 def __getitem__(self, user): |
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32 """return a user""" |
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33 if user not in self.users(): |
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34 raise KeyError |
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35 user = BitsyUser(user, self.password(user)) |
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36 user.settings = self.settings(user.name) |
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37 return user |
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38 |
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39 def passwords(self): |
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40 """returns a dictionary of { user: password }""" |
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41 passwords = {} |
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42 for user in self.users(): |
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43 passwords[user] = self.password(user) |
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44 return passwords |
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45 |
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46 ### interface methods to be specified by the child class |
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47 |
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48 def new(self, name, password): |
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49 """create a new user""" |
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50 |
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51 def users(self): |
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52 """returns the ids of all users (generator)""" |
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53 |
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54 def password(self, user): |
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55 """return the password for the user""" |
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56 |
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57 def settings(self, user): |
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58 """get user settings""" |
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59 |
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60 def write_settings(self, user, **kw): |
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61 """set attributes on a user""" |
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62 |
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63 |
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64 class FilespaceUsers(BitsyUsers): |
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65 """users that live on the filesystem""" |
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66 |
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67 def __init__(self, directory): |
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68 BitsyUsers.__init__(self) |
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69 self.directory = directory # directory to store user information in |
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70 |
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71 def home(self, user, *path): |
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72 return os.path.join(self.directory, user, *path) |
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73 |
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74 def pw_file(self, user): |
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75 return self.home(user, '.password') |
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76 |
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77 def secret(self, user): |
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78 secretfile = self.home(user, '.secret') |
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79 if os.path.exists(secretfile): |
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80 secret = int(file(secretfile).read().strip()) |
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81 else: |
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82 secret = random.randint(1024, 1024**4) |
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83 secretfile = file(secretfile, 'w') |
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84 print >> secretfile, secret |
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85 return secret |
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86 |
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87 def preferences_file(self, user): |
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88 return self.home(user, 'preferences.txt') |
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89 |
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90 def css(self, user, default): |
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91 css_dir = self.home(user, 'css') |
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92 css_files = [ i for i in os.listdir(css_dir) if i.endswith('.css') ] |
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93 if default: |
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94 default = '%s.css' % default |
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95 try: |
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96 index = css_files.index(default) |
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97 css_files.insert(0, css_files.pop(index)) |
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98 except ValueError: |
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99 pass |
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100 return [ dict(filename=i, name=i.rsplit('.css',1)[0], |
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101 css=file(os.path.join(css_dir, i)).read()) |
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102 for i in css_files ] |
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103 |
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104 ### interfaces for BitsyUsers |
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105 |
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106 def new(self, name, password): |
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107 """create a new user account""" |
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108 # XXX this shouldn't use HTTP exceptions |
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109 |
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110 if name in self.users(): |
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111 raise exc.HTTPForbidden("The name %s is already taken" % name).exception |
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112 |
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113 # characters forbidden in user name |
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114 forbidden = ' |<>./?,' |
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115 urls = [ 'join', 'login', 'logout', 'css', 'rss', 'atom', 'help' ] |
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116 if [ i for i in forbidden if i in name ]: |
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117 raise exc.HTTPForbidden("The name '%s' contains forbidden characters [%s]" % (user, forbidden)).exception |
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118 if name in urls: |
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119 raise exc.HTTPForbidden("The name '%s' is already used for a url" % user).exception |
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120 |
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121 home = self.home(name) |
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122 os.mkdir(home) |
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123 pw_file = file(self.pw_file(name), 'w') |
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124 print >> pw_file, password |
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125 |
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126 # setup entries structure for blog |
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127 entries = os.path.join(home, 'entries') |
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128 os.mkdir(entries) |
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129 for setting in roles['author']: |
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130 os.mkdir(os.path.join(entries, setting)) |
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131 |
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132 # setup user CSS |
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133 css_dir = os.path.join(home, 'css') |
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134 os.mkdir(css_dir) |
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135 shutil.copyfile(os.path.join(self.directory, 'site.css'), |
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136 os.path.join(css_dir, 'default.css')) |
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137 |
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138 |
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139 def users(self): |
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140 ignores = set(['.svn']) |
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141 for user in os.listdir(self.directory): |
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142 # ensure integrity of user folder |
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143 if user in ignores: |
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144 continue |
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145 if os.path.isdir(os.path.join(self.directory, user)): |
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146 yield user |
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147 |
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148 def password(self, user): |
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149 pw_file = '.password' # name of the password file on the filesystem |
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150 password = self.home(user, pw_file) |
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151 if os.path.exists(password): |
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152 return file(password).read().strip() |
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153 return '' # unspecified password |
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154 |
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155 def settings(self, name): |
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156 """returns a dictionary of user preferences from a file""" |
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157 filename = self.home(name, 'preferences.txt') |
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158 prefs = {} |
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159 if os.path.exists(filename): |
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160 prefs = file(filename).read().split('\n') |
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161 prefs = [ i for i in prefs if i.strip() ] |
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162 prefs = [ [ j.strip() for j in i.split(':', 1) ] |
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163 for i in prefs if ':' in i] |
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164 prefs = dict(prefs) |
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165 |
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166 # assemble friends from a list |
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167 friends = prefs.get('Friends') # can see secret blog posts |
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168 if friends: |
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169 prefs['Friends'] = friends.split(', ') |
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170 else: |
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171 prefs['Friends'] = [] |
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172 |
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173 # CSS files |
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174 prefs['CSS'] = self.css(name, prefs.get('Stylesheet')) |
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175 |
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176 return prefs |
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177 |
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178 def write_settings(self, name, **kw): |
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179 """write user settings to disk""" |
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180 |
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181 # generic stuff; could factor out |
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182 |
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183 newsettings = {} |
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184 errors = {} |
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185 |
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186 for setting in settings.form: |
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187 if kw.has_key(setting.name): |
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188 try: |
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189 setting.set(kw[setting.name]) |
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190 newsettings[setting.name] = setting.value |
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191 except settings.InvalidSettingError, e: |
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192 errors[setting.name] = str(e) |
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193 |
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194 if errors: |
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195 return errors |
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k0s <k0scist@gmail.com>
parents:
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196 |
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k0s <k0scist@gmail.com>
parents:
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197 # this makes the function depend on implemention |
e3823be6a423
initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
k0s <k0scist@gmail.com>
parents:
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198 # i don't like this |
e3823be6a423
initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
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199 new_css = newsettings.pop('CSS file') |
e3823be6a423
initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
k0s <k0scist@gmail.com>
parents:
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200 if new_css: |
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parents:
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201 filename = new_css['filename'] |
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parents:
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202 css_file = file(self.home(name, 'css', filename), 'w') |
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203 print >> css_file, new_css['css'] |
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parents:
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204 newsettings['CSS'] = filename.rsplit('.css', 1)[0] |
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parents:
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205 |
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206 prefs = self.settings(name) |
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parents:
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207 prefs.update(newsettings) |
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k0s <k0scist@gmail.com>
parents:
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208 |
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209 # write the preferences to a file |
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210 preferences = file(self.preferences_file(name), 'w') |
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211 for key, value in prefs.items(): |
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k0s <k0scist@gmail.com>
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212 print >> preferences, '%s: %s' % ( key, value ) |