wizard/app/mediawiki.py

   1 import re
   2 import distutils.version
   3 import os
   4 import lxml.cssselect
   5 import lxml.etree
   6 import StringIO
   7 import logging
   8
   9 from wizard import app, install, resolve, shell, util
  10 from wizard.app import php
  11
  12 def make_filename_regex(var):
  13     return 'LocalSettings.php', php.re_var(var)
  14
  15 seed = util.dictmap(make_filename_regex, {
  16         'WIZARD_IP': 'IP', # obsolete, remove after we're done
  17         'WIZARD_SITENAME': 'wgSitename',
  18         'WIZARD_SCRIPTPATH': 'wgScriptPath',
  19         'WIZARD_EMERGENCYCONTACT': ('wgEmergencyContact', 'wgPasswordSender'),
  20         'WIZARD_DBSERVER': 'wgDBserver',
  21         'WIZARD_DBNAME': 'wgDBname',
  22         'WIZARD_DBUSER': 'wgDBuser',
  23         'WIZARD_DBPASSWORD': 'wgDBpassword',
  24         'WIZARD_SECRETKEY': ('wgSecretKey', 'wgProxyKey'),
  25         })
  26
  27 class Application(app.Application):
  28     database = "mysql"
  29     parametrized_files = ['LocalSettings.php'] + php.parametrized_files
  30     deprecated_keys = set(['WIZARD_IP']) | php.deprecated_keys
  31     extractors = app.make_extractors(seed)
  32     extractors.update(php.extractors)
  33     substitutions = app.make_substitutions(seed)
  34     substitutions.update(php.substitutions)
  35     install_schema = install.ArgSchema("db", "admin", "email", "title")
  36     def checkConfig(self, deployment):
  37         return os.path.isfile("LocalSettings.php")
  38     def detectVersion(self, deployment):
  39         return self.detectVersionFromFile("includes/DefaultSettings.php", php.re_var("wgVersion"))
  40     def checkWeb(self, deployment):
  41         return self.checkWebPage(deployment, "/index.php?title=Main_Page", "<!-- Served")
  42     def prepareMerge(self, deployment):
  43         resolve.fix_newlines("LocalSettings.php")
  44     def install(self, version, options):
  45         util.soft_unlink("LocalSettings.php")
  46         os.chmod("config", 0777) # XXX: vaguely sketchy
  47
  48         postdata = {
  49             'Sitename': options.title,
  50             'EmergencyContact': options.email,
  51             'LanguageCode': 'en',
  52             'DBserver': options.dsn.host,
  53             'DBname': options.dsn.database,
  54             'DBuser': options.dsn.username,
  55             'DBpassword': options.dsn.password,
  56             'DBpassword2': options.dsn.password,
  57             'defaultEmail': options.email,
  58             'SysopName': options.admin_name,
  59             'SysopPass': options.admin_password,
  60             'SysopPass2': options.admin_password,
  61             }
  62         result = install.fetch(options, '/config/index.php', post=postdata)
  63         result_etree = lxml.etree.parse(StringIO.StringIO(result), lxml.etree.HTMLParser())
  64         selector = lxml.cssselect.CSSSelector(".error")
  65         error_messages = [e.text for e in selector(result_etree)]
  66         logging.debug("Installation output:\n\n" + result)
  67         if result.find("Installation successful") == -1:
  68             if not error_messages:
  69                 raise app.InstallFailure()
  70             else:
  71                 raise app.RecoverableInstallFailure(error_messages)
  72         os.rename('config/LocalSettings.php', 'LocalSettings.php')
  73     def upgrade(self, d, version, options):
  74         sh = shell.Shell()
  75         if not os.path.isfile("AdminSettings.php"):
  76             sh.call("git", "checkout", "-q", "mediawiki-" + str(version), "--", "AdminSettings.php")
  77         try:
  78             result = sh.eval("php", "maintenance/update.php", "--quick", log=True)
  79         except shell.CallError as e:
  80             raise app.UpgradeFailure("Update script returned non-zero exit code\nSTDOUT: %s\nSTDERR: %s" % (e.stdout, e.stderr))
  81         results = result.rstrip().split()
  82         if not results or not results[-1] == "Done.":
  83             raise app.UpgradeFailure(result)
  84     def backup(self, deployment, backup_dir, options):
  85         app.backup_database(backup_dir, deployment)
  86     def restore(self, deployment, backup_dir, options):
  87         app.restore_database(backup_dir, deployment)
  88     def remove(self, deployment, options):
  89         app.remove_database(deployment)
  90     def researchFilter(self, filename, added, deleted):
  91         if filename == "LocalSettings.php":
  92             return added == deleted == 10 or added == deleted == 9
  93         elif filename == "AdminSettings.php":
  94             return added == 0 and deleted == 20
  95         elif filename == "config/index.php" or filename == "config/index.php5":
  96             return added == 0
  97         return False
  98
  99 Application.resolutions = {
 100 'LocalSettings.php': [
 101     ("""
 102 <<<<<<<
 103 ***1***
 104 =======
 105 ## The URL base path to the directory containing the wiki;
 106 ## defaults for all runtime URL paths are based off of this.
 107 ## For more information on customizing the URLs please see:
 108 ## http://www.mediawiki.org/wiki/Manual:Short_URL
 109 ***2***
 110 $wgScriptExtension  = ".php";
 111
 112 ## UPO means: this is also a user preference option
 113 >>>>>>>
 114 """, [-1]),
 115     ("""
 116 <<<<<<<
 117 ***1***
 118 =======
 119
 120 # MySQL specific settings
 121 $wgDBprefix         = "";
 122 >>>>>>>
 123 """, ["\n# MySQL specific settings", 1]),
 124     ("""
 125 <<<<<<<
 126 ## is writable, then uncomment this:
 127 ***1***
 128 =======
 129 ## is writable, then set this to true:
 130 $wgEnableUploads       = false;
 131 >>>>>>>
 132 """, [-1]),
 133     ("""
 134 <<<<<<<
 135 ***1***
 136 $wgMathPath         = "{$wgUploadPath}/math";
 137 $wgMathDirectory    = "{$wgUploadDirectory}/math";
 138 $wgTmpDirectory     = "{$wgUploadDirectory}/tmp";
 139 =======
 140 $wgUseTeX           = false;
 141 >>>>>>>
 142 """, [1]),
 143     # order of these rules is important
 144     ("""
 145 <<<<<<<
 146 $configdate = gmdate( 'YmdHis', @filemtime( __FILE__ ) );
 147 $wgCacheEpoch = max( $wgCacheEpoch, $configdate );
 148 ***1***
 149 ?>
 150 =======
 151 $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
 152 >>>>>>>
 153 """, [0, 1]),
 154     ("""
 155 <<<<<<<
 156 $configdate = gmdate( 'YmdHis', @filemtime( __FILE__ ) );
 157 $wgCacheEpoch = max( $wgCacheEpoch, $configdate );
 158 ***1***
 159 =======
 160 $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
 161 >>>>>>>
 162 """, [0, 1]),
 163     ("""
 164 <<<<<<<
 165 ?>
 166 =======
 167 # When you make changes to this configuration file, this will make
 168 # sure that cached pages are cleared.
 169 $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
 170 >>>>>>>
 171 """, [0]),
 172     ("""
 173 <<<<<<<
 174 ***1***
 175 ?>
 176 =======
 177 # When you make changes to this configuration file, this will make
 178 # sure that cached pages are cleared.
 179 $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
 180 >>>>>>>
 181 """, [1, 0]),
 182     ("""
 183 <<<<<<<
 184 ***1***
 185 =======
 186 # When you make changes to this configuration file, this will make
 187 # sure that cached pages are cleared.
 188 $wgCacheEpoch = max( $wgCacheEpoch, gmdate( 'YmdHis', @filemtime( __FILE__ ) ) );
 189 >>>>>>>
 190 """, [1, 0]),
 191     ]
 192 }
 193