Mercurial > mozilla > hg > ProfileManager

annotate profilemanager/manager.py @ 18:8e651dd8e9ad

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fix two things about hash() usage
author Jeff Hammel <jhammel@mozilla.com>
date Thu, 06 May 2010 12:02:14 -0700
parents c80d44e5ca41
children 4a1815f8d146
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1 """
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2 manage Mozilla/Firefox profiles
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3 """
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4
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5 import os
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6 import shutil
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7 import string
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8 import ConfigParser
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9 from random import Random
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10 from utils import format_tabular
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11 from ConfigParser import SafeConfigParser as ConfigParser
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12
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13 # Changes to profiles.ini:
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14 # - add a ``backups`` field for each profile:
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15 # Backups = /path/to/backup:1273104310 /path/to/other/backup:1273104355
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16
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17 class ProfileNotFound(Exception):
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18 """
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19 exception when a profile is specified but is not present in a given
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20 .ini file
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21 """
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22
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23 class ProfileManager(object):
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24
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25 def __init__(self, profiles):
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26 """
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27 - profiles: filesystem path to profiles.ini file
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28 """
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29 self.profiles = profiles
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30 self.profile_dir = os.path.abspath(os.path.dirname(profiles))
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31
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32 ### (public) API
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33
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34 def new(self, name, directory=None, hash=True):
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35 """
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36 generate a new clean profile
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37 - name: name of the profile to generate
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38 - directory: where to create the profile [DEFAULT: relative to profiles.ini]
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39 - hash: whether to generate a a random hash tag
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40 """
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41
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42 # path to the profile directory
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43 dirname = name
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44 if hash:
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45 dirname = '%s.%s' % (self.hash(), dirname)
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46 if not directory:
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47 directory = self.profile_dir
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48 dirname = os.path.join(directory, dirname)
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49
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50 # create directory
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51 # TODO: (optionally) pre-populate the directory a la FF
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52 os.mkdir(dirname)
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53
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54 # return the directory name
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55 return dirname
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56
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57 def list(self, directories=False):
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58 """
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59 lists the profiles available in the config file
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60 - directories : display the directories
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61 """
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62 profiles = self.profiles_dict()
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63 retval = []
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64 for name in sorted(profiles.keys()):
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65 values = [name]
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66 if directories:
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67 values.append(self.path(name))
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68 retval.append(values)
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69 return format_tabular(retval)
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70
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71 def clone(self, source, dest, hash=True):
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72 """
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73 clones the profile `source` and output to `dest`
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74 """
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75 source_path = self.path(source) # fs path of the `from` profile
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76
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77 # dest: fs path to back up to
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78 relative = False
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79 if not os.path.isabs(dest):
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80 relative = True
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81 if not os.path.dirname(dest):
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82 dest = '%s.%s' % (self.hash(), dest)
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83 dest = os.path.join(self.profile_dir, dest)
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84
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85 shutil.copytree(source_path, dest, symlinks=False)
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86
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87 # TODO: update profiles.ini
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88
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89
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90 def backup(self, profile, dest=None):
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91 """
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92 backup the profile
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93 - profile: name of the profile to be backed up
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94 - dest: name of the destination (optional)
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95 """
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96 if dest is None:
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97 dest = '%s.%d.bak' % (profile, int(time.time()))
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98 self.clone(profile, dest, hash=False)
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99 # TODO: add something like
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100 # `Backup=$(profile)s.$(datestamp)s.bak`
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101 # to self.profiles
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102
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103 def backups(self, profile=None):
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104 """
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105 list backups for a given profile, or all profiles if the
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106 profile is not given; returns a list of backups if
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107 profile is given or a dictionary of lists otherwise
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108 """
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109 if profile is None:
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110 # all profiles
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111 retval = {}
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112 return retval
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113 # TODO
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114
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115 def restore(self, profile, date=None, delete=False):
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116 """
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117 restore the profile from a backup
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118 the most recent backup is used unless `date` is given
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119 - date : date to restore from
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120 - delete : delete the backup after restoration
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121 """
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122
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123 # get the possible backups
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124 backups = self.backups(profile)
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125 # TODO: check to see if these all exist (print warnings if not)
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126
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127 # restore the backup over ``profile``
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128
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129 if delete: # delete the backup
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130 # delete the directory
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131 # delete the entry from ``profiles.ini``
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132 # if there are no backups, delete the ``backups`` line
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133 pass #TODO
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134
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135
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136 def merge(self, output, *profiles):
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137 """merge a set of profiles (not trivial!)"""
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138 raise NotImplementedError
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139
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140 ### internal functions
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141
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142 def path(self, profile):
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143 """returns the path to the profile"""
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144 profile = self.profile_dict(profile)
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145 if profile.get('isrelative', None) == '1':
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146 return os.path.join(self.profile_dir, profile['path'])
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147 return profile['path']
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148
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149 def profile_dict(self, profile):
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150 """
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151 return option dictionary for a single profile
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152 """
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153 parser = ConfigParser()
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154 parser.read(self.profiles)
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155 for section in parser.sections():
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156 if not parser.has_option(section, 'name'):
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157 continue # not a profile
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158 if parser.get(section, 'name') == profile:
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159 return dict(parser.items(section))
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160 raise ProfileNotFound('Profile %s not found in %s' % (profile, self.profiles))
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161
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162 def profiles_dict(self):
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163 """
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164 return nested dict of all profiles
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165 """
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166 # XXX assumes profiles have unique names
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167 parser = ConfigParser()
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168 parser.read(self.profiles)
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169 retval = {}
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170 for section in parser.sections():
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171 if section == 'General':
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172 continue
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173 try:
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174 name = parser.get(section, 'name')
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175 except ConfigParser.NoOptionError:
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176 continue
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177 retval[name] = self.profile_dict(name)
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178 return retval
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179
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180
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181 def hash(self):
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182 """
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183 generate a random hash for a new profile
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184 """
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185 population = string.lowercase + string.digits
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186 return ''.join(Random().sample(population, 8))
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187
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188