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annotate bitsyblog/user.py @ 105:67e01fc5e360

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STUB: bitsyblog/bitsyblog.py bitsyblog/factory.py bitsyblog/user.py
author Jeff Hammel <k0scist@gmail.com>
date Sun, 23 Feb 2014 17:45:22 -0800
parents bc08a00a7d93
children 7306d47d2667
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1 """
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2 bitsyblog users
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3 """
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4
0
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5 import os
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6 import random
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7 import settings
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8 import shutil
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9 from roles import roles
0
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10 from webob import exc
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12 class BitsyUser(object):
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13 """interface class for a bitsyblog user"""
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14 settings = {}
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15 def __init__(self, name, password=''):
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16 self.name = name
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17 self.password = password
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19 # user behaves like a dictionary of settings
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21 def __getitem__(self, key):
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22 return self.settings[key]
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24 def get(self, key, default=None):
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25 return self.settings.get(key, default)
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28 class BitsyUsers(object):
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29 """abstract class for bitsyblog user management"""
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31 def __iter__(self): return self.users()
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33 def __contains__(self, user):
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34 return user in self.users()
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36 def __getitem__(self, user):
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37 """return a user"""
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38 if user not in self.users():
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39 raise KeyError("User '{}' not found".format(user))
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40 user = BitsyUser(user, self.password(user))
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41 user.settings = self.settings(user.name)
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42 return user
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44 def passwords(self):
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45 """returns a dictionary of { user: password }"""
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46 passwords = {}
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47 for user in self.users():
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48 passwords[user] = self.password(user)
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49 return passwords
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51 ### interface methods to be specified by the child class
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53 def new(self, name, password):
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54 """create a new user"""
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56 def users(self):
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57 """returns the ids of all users (generator)"""
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59 def password(self, user):
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60 """return the password for the user"""
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62 def settings(self, user):
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63 """get user settings"""
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64
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65 def write_settings(self, user, **kw):
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66 """set attributes on a user"""
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69 class FilespaceUsers(BitsyUsers):
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70 """users that live on the filesystem"""
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72 def __init__(self, directory):
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73 BitsyUsers.__init__(self)
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74 self.directory = directory # directory to store user information in
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76 def home(self, user, *path):
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77 return os.path.join(self.directory, user, *path)
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79 def pw_file(self, user):
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80 return self.home(user, '.password')
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82 def secret(self, user):
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83 secretfile = self.home(user, '.secret')
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84 if os.path.exists(secretfile):
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85 secret = int(file(secretfile).read().strip())
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86 else:
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87 secret = random.randint(1024, 1024**4)
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88 secretfile = file(secretfile, 'w')
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89 print >> secretfile, secret
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90 return secret
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92 def preferences_file(self, user):
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93 return self.home(user, 'preferences.txt')
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95 def css(self, user, default):
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96 css_dir = self.home(user, 'css')
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97 css_files = [i for i in os.listdir(css_dir) if i.endswith('.css')]
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98 if default:
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99 default = '%s.css' % default
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100 try:
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101 index = css_files.index(default)
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102 css_files.insert(0, css_files.pop(index))
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103 except ValueError:
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104 pass
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105 retval = [ dict(filename=i, name=i.rsplit('.css',1)[0],
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106 css=file(os.path.join(css_dir, i)).read())
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107 for i in css_files ]
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108 return retval
0
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110
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111 ### interfaces for BitsyUsers
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112
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parents:
diff changeset
113 def new(self, name, password):
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parents:
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114 """create a new user account"""
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115
0
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parents:
diff changeset
116 # XXX this shouldn't use HTTP exceptions
102
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parents: 95
diff changeset
117 # instead, the web handler should listen for exceptions
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parents: 95
diff changeset
118 # and it should raise HTTP exceptions
0
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parents:
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119
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parents:
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120 if name in self.users():
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121 raise exc.HTTPForbidden("The name %s is already taken" % name).exception
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122
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parents:
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123 # characters forbidden in user name
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k0s <k0scist@gmail.com>
parents:
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124 forbidden = ' |<>./?,'
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parents:
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125 urls = [ 'join', 'login', 'logout', 'css', 'rss', 'atom', 'help' ]
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k0s <k0scist@gmail.com>
parents:
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126 if [ i for i in forbidden if i in name ]:
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parents:
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127 raise exc.HTTPForbidden("The name '%s' contains forbidden characters [%s]" % (user, forbidden)).exception
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k0s <k0scist@gmail.com>
parents:
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128 if name in urls:
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129 raise exc.HTTPForbidden("The name '%s' is already used for a url" % user).exception
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130
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131 # create user directory
0
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132 home = self.home(name)
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133 os.mkdir(home)
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134 pw_file = file(self.pw_file(name), 'w')
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135 print >> pw_file, password
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136
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137 # setup entries structure for blog
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138 entries = os.path.join(home, 'entries')
0
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139 os.mkdir(entries)
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parents:
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140 for setting in roles['author']:
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141 os.mkdir(os.path.join(entries, setting))
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142
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parents:
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143 # setup user CSS
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parents: 59
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144 css_dir = os.path.join(home, 'css')
0
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parents:
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145 os.mkdir(css_dir)
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146 shutil.copyfile(os.path.join(self.directory, 'site.css'),
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147 os.path.join(css_dir, 'default.css'))
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148
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149
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150 def users(self):
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151 ignores = set(['.svn'])
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152 for user in os.listdir(self.directory):
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153 # ensure integrity of user folder
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154 if user in ignores:
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parents:
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155 continue
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parents:
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156 if os.path.isdir(os.path.join(self.directory, user)):
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parents:
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157 yield user
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158
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159 def password(self, user):
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parents:
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160 pw_file = '.password' # name of the password file on the filesystem
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161 password = self.home(user, pw_file)
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parents:
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162 if os.path.exists(password):
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163 return file(password).read().strip()
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parents:
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164 return '' # unspecified password
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165
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parents:
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166 def settings(self, name):
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parents:
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167 """returns a dictionary of user preferences from a file"""
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168 filename = self.home(name, 'preferences.txt')
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parents:
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169 prefs = {}
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parents:
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170 if os.path.exists(filename):
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171 prefs = file(filename).read().split('\n')
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172 prefs = [ i for i in prefs if i.strip() ]
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173 prefs = [ [ j.strip() for j in i.split(':', 1) ]
0
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k0s <k0scist@gmail.com>
parents:
diff changeset
174 for i in prefs if ':' in i]
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parents:
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175 prefs = dict(prefs)
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176
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177 # assemble friends from a list
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178 friends = prefs.get('Friends') # can see secret blog posts
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179 if friends:
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parents:
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180 prefs['Friends'] = friends.split(', ')
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181 else:
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parents:
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182 prefs['Friends'] = []
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183
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parents:
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184 # CSS files
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185 prefs['CSS'] = self.css(name, prefs.get('Stylesheet'))
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fa221a2d24d9 wow; old + crufty
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parents: 59
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186
0
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parents:
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187 return prefs
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188
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189 def write_settings(self, name, **kw):
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parents:
diff changeset
190 """write user settings to disk"""
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parents: 59
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191
0
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k0s <k0scist@gmail.com>
parents:
diff changeset
192 # generic stuff; could factor out
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parents:
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193 newsettings = {}
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parents:
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194 errors = {}
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195
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k0s <k0scist@gmail.com>
parents:
diff changeset
196 for setting in settings.form:
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k0s <k0scist@gmail.com>
parents:
diff changeset
197 if kw.has_key(setting.name):
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k0s <k0scist@gmail.com>
parents:
diff changeset
198 try:
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parents:
diff changeset
199 setting.set(kw[setting.name])
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k0s <k0scist@gmail.com>
parents:
diff changeset
200 newsettings[setting.name] = setting.value
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parents:
diff changeset
201 except settings.InvalidSettingError, e:
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k0s <k0scist@gmail.com>
parents:
diff changeset
202 errors[setting.name] = str(e)
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parents:
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203
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parents:
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204 if errors:
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k0s <k0scist@gmail.com>
parents:
diff changeset
205 return errors
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parents:
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206
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k0s <k0scist@gmail.com>
parents:
diff changeset
207 # this makes the function depend on implemention
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k0s <k0scist@gmail.com>
parents:
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208 # i don't like this
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k0s <k0scist@gmail.com>
parents:
diff changeset
209 new_css = newsettings.pop('CSS file')
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k0s <k0scist@gmail.com>
parents:
diff changeset
210 if new_css:
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k0s <k0scist@gmail.com>
parents:
diff changeset
211 filename = new_css['filename']
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k0s <k0scist@gmail.com>
parents:
diff changeset
212 css_file = file(self.home(name, 'css', filename), 'w')
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k0s <k0scist@gmail.com>
parents:
diff changeset
213 print >> css_file, new_css['css']
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k0s <k0scist@gmail.com>
parents:
diff changeset
214 newsettings['CSS'] = filename.rsplit('.css', 1)[0]
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fa221a2d24d9 wow; old + crufty
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parents: 59
diff changeset
215
0
e3823be6a423 initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
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parents:
diff changeset
216 prefs = self.settings(name)
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parents:
diff changeset
217 prefs.update(newsettings)
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parents:
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218
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parents:
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219 # write the preferences to a file
e3823be6a423 initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
k0s <k0scist@gmail.com>
parents:
diff changeset
220 preferences = file(self.preferences_file(name), 'w')
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k0s <k0scist@gmail.com>
parents:
diff changeset
221 for key, value in prefs.items():
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k0s <k0scist@gmail.com>
parents:
diff changeset
222 print >> preferences, '%s: %s' % ( key, value )