--- a/MoinMoin/multiconfig.py	Fri May 19 23:28:45 2006 +0200
+++ b/MoinMoin/multiconfig.py	Sat May 20 00:17:57 2006 +0200
@@ -1,679 +1,679 @@
-# -*- coding: iso-8859-1 -*-
-"""
-    MoinMoin - Multiple configuration handler and Configuration defaults class
-
-    @copyright: 2000-2004 by Jrgen Hermann <jh@web.de>
-    @license: GNU GPL, see COPYING for details.
-"""
-
-import re, os, sys
-from MoinMoin import error
-import MoinMoin.auth as authmodule
-
-_url_re_cache = None
-_farmconfig_mtime = None
-_config_cache = {}
-
-
-def _importConfigModule(name):
-    """ Import and return configuration module and its modification time
-    
-    Handle all errors except ImportError, because missing file is not
-    always an error.
-    
-    @param name: module name
-    @rtype: tuple
-    @return: module, modification time
-    """
-    try:
-        module = __import__(name, globals(), {})
-        mtime = os.path.getmtime(module.__file__)
-    except ImportError:
-        raise
-    except IndentationError, err:
-        msg = 'IndentationError: %s\n' % str(err) + '''
-
-The configuration files are python modules. Therefore, whitespace is
-important. Make sure that you use only spaces, no tabs are allowed here!
-You have to use four spaces at the beginning of the line mostly.
-'''
-        raise error.ConfigurationError(msg)
-    except Exception, err:
-        msg = '%s: %s' % (err.__class__.__name__, str(err))
-        raise error.ConfigurationError(msg)
-    return module, mtime
-
-
-def _url_re_list():
-    """ Return url matching regular expression
-
-    Import wikis list from farmconfig on the first call and compile the
-    regexes. Later then return the cached regex list.
-
-    @rtype: list of tuples of (name, compiled re object)
-    @return: url to wiki config name matching list
-    """
-    global _url_re_cache, _farmconfig_mtime
-    if _url_re_cache is None:
-        try:
-            farmconfig, _farmconfig_mtime = _importConfigModule('farmconfig')
-        except ImportError:
-            # Default to wikiconfig for all urls.
-            _farmconfig_mtime = 0
-            _url_re_cache = [('wikiconfig', re.compile(r'.')), ] # matches everything
-        else:
-            try:
-                cache = []
-                for name, regex in farmconfig.wikis:
-                    cache.append((name, re.compile(regex)))
-                _url_re_cache = cache
-            except AttributeError:
-                msg = """
-Missing required 'wikis' list in 'farmconfig.py'.
-
-If you run a single wiki you do not need farmconfig.py. Delete it and
-use wikiconfig.py.
-"""
-                raise error.ConfigurationError(msg)    
-    return _url_re_cache
-
-
-def _makeConfig(name):
-    """ Create and return a config instance 
-
-    Timestamp config with either module mtime or farmconfig mtime. This
-    mtime can be used later to invalidate older caches.
-
-    @param name: module name
-    @rtype: DefaultConfig sub class instance
-    @return: new configuration instance
-    """
-    global _farmconfig_mtime
-    try:
-        module, mtime = _importConfigModule(name)
-        configClass = getattr(module, 'Config')
-        cfg = configClass(name)
-        cfg.cfg_mtime = max(mtime, _farmconfig_mtime)
-    except ImportError, err:
-        msg = 'ImportError: %s\n' % str(err) + '''
-
-Check that the file is in the same directory as the server script. If
-it is not, you must add the path of the directory where the file is
-located to the python path in the server script. See the comments at
-the top of the server script.
-
-Check that the configuration file name is either "wikiconfig.py" or the
-module name specified in the wikis list in farmconfig.py. Note that the
-module name does not include the ".py" suffix.
-'''
-        raise error.ConfigurationError(msg)
-    except AttributeError:
-        msg = '''
-Could not find required "Config" class in "%(name)s.py". This might
-happen if you are trying to use a pre 1.3 configuration file, or made a
-syntax or spelling error.
-
-Please check your configuration file. As an example for correct syntax,
-use the wikiconfig.py file from the distribution.
-''' % {'name': name}
-        raise error.ConfigurationError(msg)
-    return cfg
-
-
-def _getConfigName(url):
-    """ Return config name for url or raise """
-    for name, regex in _url_re_list():
-        match = regex.match(url)
-        if match:
-            return name
-    # nothing matched
-    msg = '''
-Could not find a match for url: "%(url)s".
-
-Check your URL regular expressions in the "wikis" list in
-"farmconfig.py". 
-''' % {'url': url}
-    raise error.ConfigurationError(msg)    
-
-
-def getConfig(url):
-    """ Return cached config instance for url or create new one
-
-    If called by many threads in the same time multiple config
-    instances might be created. The first created item will be
-    returned, using dict.setdefault.
-
-    @param url: the url from request, possibly matching specific wiki
-    @rtype: DefaultConfig subclass instance
-    @return: config object for specific wiki
-    """
-    configName = _getConfigName(url)
-    try:
-        config = _config_cache[configName]
-    except KeyError:
-        config = _makeConfig(configName)
-        config = _config_cache.setdefault(configName, config)
-    return config
-
-
-# This is a way to mark some text for the gettext tools so that they don't
-# get orphaned. See http://www.python.org/doc/current/lib/node278.html.
-def _(text): return text
-
-
-class DefaultConfig:
-    """ default config values """
-    
-    # All acl_right lines must use unicode!
-    acl_rights_default = u"Trusted:read,write,delete,revert Known:read,write,delete,revert All:read,write"
-    acl_rights_before = u""
-    acl_rights_after = u""
-    acl_rights_valid = ['read', 'write', 'delete', 'revert', 'admin']
-    
-    actions_excluded = [] # ['DeletePage', 'AttachFile', 'RenamePage', 'test', ]
-    allow_xslt = 0
-    attachments = None # {'dir': path, 'url': url-prefix}
-    auth = [authmodule.moin_cookie]
-    
-    backup_compression = 'gz'
-    backup_users = []
-    backup_include = []
-    backup_exclude = [
-        r"(.+\.py(c|o)$)",
-        r"%(cache_dir)s",
-        r"%(/)spages%(/)s.+%(/)scache%(/)s[^%(/)s]+$" % {'/': os.sep},
-        r"%(/)s(edit-lock|event-log|\.DS_Store)$" % {'/': os.sep},
-        ]
-    backup_storage_dir = '/tmp'
-    backup_restore_target_dir = '/tmp'
-    
-    bang_meta = 1
-    caching_formats = ['text_html']
-    changed_time_fmt = '%H:%M'
-    # chars_{upper,lower,digits,spaces} see MoinMoin/util/chartypes.py
-    # if you have gdchart, add something like
-    # chart_options = {'width = 720, 'height': 540}
-    chart_options = None
-    config_check_enabled = 0
-    cookie_domain = None # use '.domain.tld" for a farm with hosts in that domain
-    cookie_path = None   # use '/wikifarm" for a farm with pathes below that path
-    cookie_lifetime = 12 # 12 hours from now
-    data_dir = './data/'
-    data_underlay_dir = './underlay/'
-    date_fmt = '%Y-%m-%d'
-    datetime_fmt = '%Y-%m-%d %H:%M:%S'
-    default_markup = 'wiki'
-    docbook_html_dir = r"/usr/share/xml/docbook/stylesheet/nwalsh/html/" # correct for debian sarge
-    editor_default = 'text' # which editor is called when nothing is specified
-    editor_ui = 'freechoice' # which editor links are shown on user interface
-    editor_force = False
-    editor_quickhelp = { # editor markup hints quickhelp 
-        'wiki': _("""\
- Emphasis:: [[Verbatim('')]]''italics''[[Verbatim('')]]; [[Verbatim(''')]]'''bold'''[[Verbatim(''')]]; [[Verbatim(''''')]]'''''bold italics'''''[[Verbatim(''''')]]; [[Verbatim('')]]''mixed ''[[Verbatim(''')]]'''''bold'''[[Verbatim(''')]] and italics''[[Verbatim('')]]; [[Verbatim(----)]] horizontal rule.
- Headings:: [[Verbatim(=)]] Title 1 [[Verbatim(=)]]; [[Verbatim(==)]] Title 2 [[Verbatim(==)]]; [[Verbatim(===)]] Title 3 [[Verbatim(===)]];   [[Verbatim(====)]] Title 4 [[Verbatim(====)]]; [[Verbatim(=====)]] Title 5 [[Verbatim(=====)]].
- Lists:: space and one of: * bullets; 1., a., A., i., I. numbered items; 1.#n start numbering at n; space alone indents.
- Links:: [[Verbatim(JoinCapitalizedWords)]]; [[Verbatim(["brackets and double quotes"])]]; url; [url]; [url label].
- Tables:: || cell text |||| cell text spanning 2 columns ||;    no trailing white space allowed after tables or titles.
-
-(!) For more help, see HelpOnEditing or SyntaxReference.
-"""),
-        'rst': _("""\
-Emphasis: <i>*italic*</i> <b>**bold**</b> ``monospace``<br/>
-<br/><pre>
-Headings: Heading 1  Heading 2  Heading 3
-          =========  ---------  ~~~~~~~~~
-
-Horizontal rule: ---- 
-Links: TrailingUnderscore_ `multi word with backticks`_ external_ 
-
-.. _external: http://external-site.net/foo/
-
-Lists: * bullets; 1., a. numbered items.
-</pre>
-<br/>
-(!) For more help, see the 
-<a href="http://docutils.sourceforge.net/docs/user/rst/quickref.html">
-reStructuredText Quick Reference
-</a>.
-"""),
-    }
-    edit_locking = 'warn 10' # None, 'warn <timeout mins>', 'lock <timeout mins>'
-    edit_rows = 20
-    email_subpage_template = u"$from-$date-$subj" # used for mail import
-    email_wiki_address = None # the e-mail address for e-mails that should go into the wiki
-    email_secret = ""
-                
-    hacks = {} # { 'feature1': value1, ... }
-               # Configuration for features still in development.
-               # For boolean stuff just use config like this:
-               #   hacks = { 'feature': True, ...}
-               # and in the code use:
-               #   if cfg.hacks.get('feature', False): <doit>
-               # A non-existing hack key should ever mean False, None, "", [] or {}!
-
-    hosts_deny = []
-    html_head = ''
-    html_head_queries = '''<meta name="robots" content="noindex,nofollow">\n'''
-    html_head_posts   = '''<meta name="robots" content="noindex,nofollow">\n'''
-    html_head_index   = '''<meta name="robots" content="index,follow">\n'''
-    html_head_normal  = '''<meta name="robots" content="index,nofollow">\n'''
-    html_pagetitle = None
-
-    interwiki_preferred = [] # list of wiki names to show at top of interwiki list
-
-    language_default = 'en'
-    language_ignore_browser = False # ignore browser settings, use language_default
-                                    # or user prefs
-
-    lupy_search = False # disabled until lupy is finished
-
-    mail_login = None # or "user pwd" if you need to use SMTP AUTH
-    mail_sendmail = None # "/usr/sbin/sendmail -t -i" to not use SMTP, but sendmail
-    mail_smarthost = None
-    mail_from = None # u'Jrgen Wiki <noreply@jhwiki.org>'
-    
-    navi_bar = [u'RecentChanges', u'FindPage', u'HelpContents', ]
-    nonexist_qm = 0
-
-    page_credits = [
-        '<a href="http://moinmoin.wikiwikiweb.de/">MoinMoin Powered</a>',
-        '<a href="http://www.python.org/">Python Powered</a>',
-        '<a href="http://validator.w3.org/check?uri=referer">Valid HTML 4.01</a>',
-        ]
-    page_footer1 = ''
-    page_footer2 = ''
-
-    page_header1 = ''
-    page_header2 = ''
-    
-    page_front_page = u'HelpOnLanguages' # this will make people choose a sane config
-    page_local_spelling_words = u'LocalSpellingWords'
-    page_category_regex = u'^Category[A-Z]'
-    page_dict_regex = u'[a-z0-9]Dict$'
-    page_group_regex = u'[a-z0-9]Group$'
-    page_template_regex = u'[a-z0-9]Template$'
-
-    page_license_enabled = 0
-    page_license_page = u'WikiLicense'
-
-    # These icons will show in this order in the iconbar, unless they
-    # are not relevant, e.g email icon when the wiki is not configured
-    # for email.
-    page_iconbar = ["up", "edit", "view", "diff", "info", "subscribe", "raw", "print",]
-
-    # Standard buttons in the iconbar
-    page_icons_table = {
-        # key           last part of url, title, icon-key
-        'help':        ("%(q_page_help_contents)s", "%(page_help_contents)s", "help"),
-        'find':        ("%(q_page_find_page)s?value=%(q_page_name)s", "%(page_find_page)s", "find"),
-        'diff':        ("%(q_page_name)s?action=diff", _("Diffs"), "diff"),
-        'info':        ("%(q_page_name)s?action=info", _("Info"), "info"),
-        'edit':        ("%(q_page_name)s?action=edit", _("Edit"), "edit"),
-        'unsubscribe': ("%(q_page_name)s?action=subscribe", _("UnSubscribe"), "unsubscribe"),
-        'subscribe':   ("%(q_page_name)s?action=subscribe", _("Subscribe"), "subscribe"),
-        'raw':         ("%(q_page_name)s?action=raw", _("Raw"), "raw"),
-        'xml':         ("%(q_page_name)s?action=show&amp;mimetype=text/xml", _("XML"), "xml"),
-        'print':       ("%(q_page_name)s?action=print", _("Print"), "print"),
-        'view':        ("%(q_page_name)s", _("View"), "view"),
-        'up':          ("%(q_page_parent_page)s", _("Up"), "up"),
-        }
-    refresh = None # (minimum_delay, type), e.g.: (2, 'internal')
-    rss_cache = 60 # suggested caching time for RecentChanges RSS, in seconds
-    shared_intermap = None # can be string or list of strings (filenames)
-    show_hosts = 1
-    show_interwiki = 0
-    show_login = 1
-    show_names = True
-    show_section_numbers = 0
-    show_timings = 0
-    show_version = 0
-    siteid = 'default'
-    stylesheets = [] # list of tuples (media, csshref) to insert after theme css, before user css
-    superuser = [] # list of unicode user names that have super powers :)
-    
-    surge_action_limits = { # allow max. <count> <action> requests per <dt> secs
-        # action: (count, dt)
-        'all': (30, 30),
-        'show': (30, 60),
-        'recall': (5, 60),
-        'raw': (20, 40),  # some people use this for css
-        'AttachFile': (90, 60),
-        'diff': (30, 60),
-        'fullsearch': (5, 60),
-        'edit': (10, 120),
-        'rss_rc': (1, 60),
-        'default': (30, 60),
-    }
-    surge_lockout_time = 3600 # secs you get locked out when you ignore warnings
-    
-    theme_default = 'modern'
-    theme_force = False
-    trail_size = 5
-    tz_offset = 0.0 # default time zone offset in hours from UTC
-    user_autocreate = False # do we auto-create user profiles
-    user_email_unique = True # do we check whether a user's email is unique?
-
-    # a regex of HTTP_USER_AGENTS that should be excluded from logging
-    # and receive a FORBIDDEN for anything except viewing a page
-    ua_spiders = ('archiver|cfetch|crawler|curl|gigabot|googlebot|holmes|htdig|httrack|httpunit|jeeves|larbin|leech|'
-                  'linkbot|linkmap|linkwalk|mercator|mirror|msnbot|nutbot|omniexplorer|puf|robot|scooter|'
-                  'sherlock|slurp|sitecheck|spider|teleport|voyager|webreaper|wget')
-
-    # Wiki identity
-    sitename = u'Untitled Wiki'
-    url_prefix = '/wiki'
-    logo_string = None
-    interwikiname = None
-    
-    url_mappings = {}
-
-    user_checkbox_fields = [
-        ('mailto_author', lambda _: _('Publish my email (not my wiki homepage) in author info')),
-        ('edit_on_doubleclick', lambda _: _('Open editor on double click')),
-        ('remember_last_visit', lambda _: _('Jump to last visited page instead of frontpage')),
-        ('show_nonexist_qm', lambda _: _('Show question mark for non-existing pagelinks')),
-        ('show_page_trail', lambda _: _('Show page trail')),
-        ('show_toolbar', lambda _: _('Show icon toolbar')),
-        ('show_topbottom', lambda _: _('Show top/bottom links in headings')),
-        ('show_fancy_diff', lambda _: _('Show fancy diffs')),
-        ('wikiname_add_spaces', lambda _: _('Add spaces to displayed wiki names')),
-        ('remember_me', lambda _: _('Remember login information')),
-        ('want_trivial', lambda _: _('Subscribe to trivial changes')),
-        
-        ('disabled', lambda _: _('Disable this account forever')),
-        # if an account is disabled, it may be used for looking up
-        # id -> username for page info and recent changes, but it
-        # is not usable for the user any more:
-    ]
-    user_checkbox_defaults = {'mailto_author':       0,
-                              'edit_on_doubleclick': 0,
-                              'remember_last_visit': 0,
-                              'show_nonexist_qm':    nonexist_qm,
-                              'show_page_trail':     1,
-                              'show_toolbar':        1,
-                              'show_topbottom':      0,
-                              'show_fancy_diff':     1,
-                              'wikiname_add_spaces': 0,
-                              'remember_me':         1,
-                              'want_trivial':        0,
-                             }
-    # don't let the user change those
-    # user_checkbox_disable = ['disabled', 'want_trivial']
-    user_checkbox_disable = []
-    
-    # remove those checkboxes:
-    #user_checkbox_remove = ['edit_on_doubleclick', 'show_nonexist_qm', 'show_toolbar', 'show_topbottom',
-    #                        'show_fancy_diff', 'wikiname_add_spaces', 'remember_me', 'disabled',]
-    user_checkbox_remove = []
-    
-    user_form_fields = [
-        ('name', _('Name'), "text", "36", _("(Use Firstname''''''Lastname)")),
-        ('aliasname', _('Alias-Name'), "text", "36", ''),
-        ('password', _('Password'), "password", "36", ''),
-        ('password2', _('Password repeat'), "password", "36", _('(Only when changing passwords)')),
-        ('email', _('Email'), "text", "36", ''),
-        ('css_url', _('User CSS URL'), "text", "40", _('(Leave it empty for disabling user CSS)')),
-        ('edit_rows', _('Editor size'), "text", "3", ''),
-        ##('theme', _('Preferred theme'), [self._theme_select()])
-        ##('', _('Editor Preference'), [self._editor_default_select()])
-        ##('', _('Editor shown on UI'), [self._editor_ui_select()])
-        ##('', _('Time zone'), [self._tz_select()])
-        ##('', _('Date format'), [self._dtfmt_select()])
-        ##('', _('Preferred language'), [self._lang_select()])
-    ]
-    user_form_defaults = { # key: default
-        'name': '',
-        'aliasname': '',
-        'password': '',
-        'password2': '',
-        'email': '',
-        'css_url': '',
-        'edit_rows': "20",
-    }
-    # don't let the user change those, but show them:
-    #user_form_disable = ['name', 'aliasname', 'email',]
-    user_form_disable = []
-    
-    # remove those completely:
-    #user_form_remove = ['password', 'password2', 'css_url', 'logout', 'create', 'account_sendmail',]
-    user_form_remove = []
-    
-    # attributes we do NOT save to the userpref file
-    user_transient_fields =  ['id', 'valid', 'may', 'auth_username', 'trusted', 'password', 'password2', 'auth_method', 'auth_attribs']
-
-    user_homewiki = 'Self' # interwiki name for where user homepages are located
-
-    unzip_single_file_size = 2.0 * 1000**2
-    unzip_attachments_space = 200.0 * 1000**2
-    unzip_attachments_count = 51 # 1 zip file + 50 files contained in it
-
-    xmlrpc_putpage_enabled = 0 # if 0, putpage will write to a test page only
-    xmlrpc_putpage_trusted_only = 1 # if 1, you will need to be http auth authenticated
-    
-    SecurityPolicy = None
-
-    def __init__(self, siteid):
-        """ Init Config instance """
-        self.siteid = siteid
-        if self.config_check_enabled:
-            self._config_check()
-
-        # define directories
-        self.moinmoin_dir = os.path.abspath(os.path.dirname(__file__))
-        data_dir = os.path.normpath(self.data_dir)
-        self.data_dir = data_dir
-        for dirname in ('user', 'cache', 'plugin'):
-            name = dirname + '_dir'
-            if not getattr(self, name, None):
-                setattr(self, name, os.path.join(data_dir, dirname))
-            
-        # Try to decode certain names which allow unicode
-        self._decode()
-
-        self._check_directories()
-
-        if not isinstance(self.superuser, list):
-            msg = """The superuser setting in your wiki configuration is not a list
-                     (e.g. ['Sample User', 'AnotherUser']).
-                     Please change it in your wiki configuration and try again."""
-            raise error.ConfigurationError(msg)
-        
-        self._loadPluginModule()
-
-        # Preparse user dicts
-        self._fillDicts()
-        
-        # Normalize values
-        self.language_default = self.language_default.lower()
-
-        # Use site name as default name-logo
-        if self.logo_string is None:
-            self.logo_string = self.sitename
-
-        # Check for needed modules
-
-        # FIXME: maybe we should do this check later, just before a
-        # chart is needed, maybe in the chart module, instead doing it
-        # for each request. But this require a large refactoring of
-        # current code.
-        if self.chart_options:
-            try:
-                import gdchart
-            except ImportError:
-                self.chart_options = None
-        
-        # post process
-        # we replace any string placeholders with config values
-        # e.g u'%(page_front_page)s' % self
-        self.navi_bar = [elem % self for elem in self.navi_bar]
-        self.backup_exclude = [elem % self for elem in self.backup_exclude]
-
-        # list to cache lupy searcher objects
-        self.lupy_searchers = []
-
-        # check if mail is possible and set flag:
-        self.mail_enabled = (self.mail_smarthost is not None or self.mail_sendmail is not None) and self.mail_from
-
-    def _config_check(self):
-        """ Check namespace and warn about unknown names
-        
-        Warn about names which are not used by DefaultConfig, except
-        modules, classes, _private or __magic__ names.
-
-        This check is disabled by default, when enabled, it will show an
-        error message with unknown names.
-        """       
-        unknown = ['"%s"' % name for name in dir(self)
-                  if not name.startswith('_') and 
-                  not DefaultConfig.__dict__.has_key(name) and
-                  not isinstance(getattr(self, name), (type(sys), type(DefaultConfig)))]
-        if unknown:
-            msg = """
-Unknown configuration options: %s.
-
-For more information, visit HelpOnConfiguration. Please check your
-configuration for typos before requesting support or reporting a bug.
-""" % ', '.join(unknown)
-            raise error.ConfigurationError(msg)
-
-    def _decode(self):
-        """ Try to decode certain names, ignore unicode values
-        
-        Try to decode str using utf-8. If the decode fail, raise FatalError. 
-
-        Certain config variables should contain unicode values, and
-        should be defined with u'text' syntax. Python decode these if
-        the file have a 'coding' line.
-        
-        This will allow utf-8 users to use simple strings using, without
-        using u'string'. Other users will have to use u'string' for
-        these names, because we don't know what is the charset of the
-        config files.
-        """
-        charset = 'utf-8'
-        message = u'''
-"%(name)s" configuration variable is a string, but should be
-unicode. Use %(name)s = u"value" syntax for unicode variables.
-
-Also check your "-*- coding -*-" line at the top of your configuration
-file. It should match the actual charset of the configuration file.
-'''
-        
-        decode_names = (
-            'sitename', 'logo_string', 'navi_bar', 'page_front_page',
-            'page_category_regex', 'page_dict_regex', 
-            'page_group_regex', 'page_template_regex', 'page_license_page',
-            'page_local_spelling_words', 'acl_rights_default',
-            'acl_rights_before', 'acl_rights_after', 'mail_from'
-            )
-        
-        for name in decode_names:
-            attr = getattr(self, name, None)
-            if attr:
-                # Try to decode strings
-                if isinstance(attr, str):
-                    try:
-                        setattr(self, name, unicode(attr, charset)) 
-                    except UnicodeError:
-                        raise error.ConfigurationError(message %
-                                                       {'name': name})
-                # Look into lists and try to decode strings inside them
-                elif isinstance(attr, list):
-                    for i in xrange(len(attr)):
-                        item = attr[i]
-                        if isinstance(item, str):
-                            try:
-                                attr[i] = unicode(item, charset)
-                            except UnicodeError:
-                                raise error.ConfigurationError(message %
-                                                               {'name': name})
-
-    def _check_directories(self):
-        """ Make sure directories are accessible
-
-        Both data and underlay should exists and allow read, write and
-        execute.
-        """
-        mode = os.F_OK | os.R_OK | os.W_OK | os.X_OK
-        for attr in ('data_dir', 'data_underlay_dir'):
-            path = getattr(self, attr)
-            
-            # allow an empty underlay path or None
-            if attr == 'data_underlay_dir' and not path:
-                continue
-
-            path_pages = os.path.join(path, "pages")
-            if not (os.path.isdir(path_pages) and os.access(path_pages, mode)):
-                msg = '''
-%(attr)s "%(path)s" does not exists, or has incorrect ownership or
-permissions.
-
-Make sure the directory and the subdirectory pages are owned by the web
-server and are readable, writable and executable by the web server user
-and group.
-
-It is recommended to use absolute paths and not relative paths. Check
-also the spelling of the directory name.
-''' % {'attr': attr, 'path': path,}
-                raise error.ConfigurationError(msg)
-
-    def _loadPluginModule(self):
-        """ import plugin module under configname.plugin
-
-        To be able to import plugin from arbitrary path, we have to load
-        the base package once using imp.load_module. Later, we can use
-        standard __import__ call to load plugins in this package.
-
-        Since each wiki has unique plugins, we load the plugin package
-        under the wiki configuration module, named self.siteid.
-        """
-        import sys, imp
-
-        name = self.siteid + '.plugin'
-        try:
-            # Lock other threads while we check and import
-            imp.acquire_lock()
-            try:
-                # If the module is not loaded, try to load it
-                if not name in sys.modules:
-                    # Find module on disk and try to load - slow!
-                    plugin_parent_dir = os.path.abspath(os.path.join(self.plugin_dir, '..'))
-                    fp, path, info = imp.find_module('plugin', [plugin_parent_dir])
-                    try:
-                        # Load the module and set in sys.modules             
-                        module = imp.load_module(name, fp, path, info)
-                        sys.modules[self.siteid].plugin = module
-                    finally:
-                        # Make sure fp is closed properly
-                        if fp:
-                            fp.close()
-            finally:
-                imp.release_lock()
-        except ImportError, err:
-            msg = '''
-Could not import plugin package "%(path)s/plugin" because of ImportError:
-%(err)s.
-
-Make sure your data directory path is correct, check permissions, and
-that the data/plugin directory has an __init__.py file.
-''' % {'path': self.data_dir, 'err': str(err)}
-            raise error.ConfigurationError(msg)
-
-    def _fillDicts(self):
-        """ fill config dicts
-
-        Fills in missing dict keys of derived user config by copying
-        them from this base class.
-        """
-        # user checkbox defaults
-        for key, value in DefaultConfig.user_checkbox_defaults.items():
-            if not self.user_checkbox_defaults.has_key(key):
-                self.user_checkbox_defaults[key] = value
-
-    def __getitem__(self, item):
-        """ Make it possible to access a config object like a dict """
-        return getattr(self, item)
-    
-# remove the gettext pseudo function 
-del _
-
+# -*- coding: iso-8859-1 -*-
+"""
+    MoinMoin - Multiple configuration handler and Configuration defaults class
+
+    @copyright: 2000-2004 by Jrgen Hermann <jh@web.de>
+    @license: GNU GPL, see COPYING for details.
+"""
+
+import re, os, sys
+from MoinMoin import error
+import MoinMoin.auth as authmodule
+
+_url_re_cache = None
+_farmconfig_mtime = None
+_config_cache = {}
+
+
+def _importConfigModule(name):
+    """ Import and return configuration module and its modification time
+    
+    Handle all errors except ImportError, because missing file is not
+    always an error.
+    
+    @param name: module name
+    @rtype: tuple
+    @return: module, modification time
+    """
+    try:
+        module = __import__(name, globals(), {})
+        mtime = os.path.getmtime(module.__file__)
+    except ImportError:
+        raise
+    except IndentationError, err:
+        msg = 'IndentationError: %s\n' % str(err) + '''
+
+The configuration files are python modules. Therefore, whitespace is
+important. Make sure that you use only spaces, no tabs are allowed here!
+You have to use four spaces at the beginning of the line mostly.
+'''
+        raise error.ConfigurationError(msg)
+    except Exception, err:
+        msg = '%s: %s' % (err.__class__.__name__, str(err))
+        raise error.ConfigurationError(msg)
+    return module, mtime
+
+
+def _url_re_list():
+    """ Return url matching regular expression
+
+    Import wikis list from farmconfig on the first call and compile the
+    regexes. Later then return the cached regex list.
+
+    @rtype: list of tuples of (name, compiled re object)
+    @return: url to wiki config name matching list
+    """
+    global _url_re_cache, _farmconfig_mtime
+    if _url_re_cache is None:
+        try:
+            farmconfig, _farmconfig_mtime = _importConfigModule('farmconfig')
+        except ImportError:
+            # Default to wikiconfig for all urls.
+            _farmconfig_mtime = 0
+            _url_re_cache = [('wikiconfig', re.compile(r'.')), ] # matches everything
+        else:
+            try:
+                cache = []
+                for name, regex in farmconfig.wikis:
+                    cache.append((name, re.compile(regex)))
+                _url_re_cache = cache
+            except AttributeError:
+                msg = """
+Missing required 'wikis' list in 'farmconfig.py'.
+
+If you run a single wiki you do not need farmconfig.py. Delete it and
+use wikiconfig.py.
+"""
+                raise error.ConfigurationError(msg)    
+    return _url_re_cache
+
+
+def _makeConfig(name):
+    """ Create and return a config instance 
+
+    Timestamp config with either module mtime or farmconfig mtime. This
+    mtime can be used later to invalidate older caches.
+
+    @param name: module name
+    @rtype: DefaultConfig sub class instance
+    @return: new configuration instance
+    """
+    global _farmconfig_mtime
+    try:
+        module, mtime = _importConfigModule(name)
+        configClass = getattr(module, 'Config')
+        cfg = configClass(name)
+        cfg.cfg_mtime = max(mtime, _farmconfig_mtime)
+    except ImportError, err:
+        msg = 'ImportError: %s\n' % str(err) + '''
+
+Check that the file is in the same directory as the server script. If
+it is not, you must add the path of the directory where the file is
+located to the python path in the server script. See the comments at
+the top of the server script.
+
+Check that the configuration file name is either "wikiconfig.py" or the
+module name specified in the wikis list in farmconfig.py. Note that the
+module name does not include the ".py" suffix.
+'''
+        raise error.ConfigurationError(msg)
+    except AttributeError:
+        msg = '''
+Could not find required "Config" class in "%(name)s.py". This might
+happen if you are trying to use a pre 1.3 configuration file, or made a
+syntax or spelling error.
+
+Please check your configuration file. As an example for correct syntax,
+use the wikiconfig.py file from the distribution.
+''' % {'name': name}
+        raise error.ConfigurationError(msg)
+    return cfg
+
+
+def _getConfigName(url):
+    """ Return config name for url or raise """
+    for name, regex in _url_re_list():
+        match = regex.match(url)
+        if match:
+            return name
+    # nothing matched
+    msg = '''
+Could not find a match for url: "%(url)s".
+
+Check your URL regular expressions in the "wikis" list in
+"farmconfig.py". 
+''' % {'url': url}
+    raise error.ConfigurationError(msg)    
+
+
+def getConfig(url):
+    """ Return cached config instance for url or create new one
+
+    If called by many threads in the same time multiple config
+    instances might be created. The first created item will be
+    returned, using dict.setdefault.
+
+    @param url: the url from request, possibly matching specific wiki
+    @rtype: DefaultConfig subclass instance
+    @return: config object for specific wiki
+    """
+    configName = _getConfigName(url)
+    try:
+        config = _config_cache[configName]
+    except KeyError:
+        config = _makeConfig(configName)
+        config = _config_cache.setdefault(configName, config)
+    return config
+
+
+# This is a way to mark some text for the gettext tools so that they don't
+# get orphaned. See http://www.python.org/doc/current/lib/node278.html.
+def _(text): return text
+
+
+class DefaultConfig:
+    """ default config values """
+    
+    # All acl_right lines must use unicode!
+    acl_rights_default = u"Trusted:read,write,delete,revert Known:read,write,delete,revert All:read,write"
+    acl_rights_before = u""
+    acl_rights_after = u""
+    acl_rights_valid = ['read', 'write', 'delete', 'revert', 'admin']
+    
+    actions_excluded = [] # ['DeletePage', 'AttachFile', 'RenamePage', 'test', ]
+    allow_xslt = 0
+    attachments = None # {'dir': path, 'url': url-prefix}
+    auth = [authmodule.moin_cookie]
+    
+    backup_compression = 'gz'
+    backup_users = []
+    backup_include = []
+    backup_exclude = [
+        r"(.+\.py(c|o)$)",
+        r"%(cache_dir)s",
+        r"%(/)spages%(/)s.+%(/)scache%(/)s[^%(/)s]+$" % {'/': os.sep},
+        r"%(/)s(edit-lock|event-log|\.DS_Store)$" % {'/': os.sep},
+        ]
+    backup_storage_dir = '/tmp'
+    backup_restore_target_dir = '/tmp'
+    
+    bang_meta = 1
+    caching_formats = ['text_html']
+    changed_time_fmt = '%H:%M'
+    # chars_{upper,lower,digits,spaces} see MoinMoin/util/chartypes.py
+    # if you have gdchart, add something like
+    # chart_options = {'width = 720, 'height': 540}
+    chart_options = None
+    config_check_enabled = 0
+    cookie_domain = None # use '.domain.tld" for a farm with hosts in that domain
+    cookie_path = None   # use '/wikifarm" for a farm with pathes below that path
+    cookie_lifetime = 12 # 12 hours from now
+    data_dir = './data/'
+    data_underlay_dir = './underlay/'
+    date_fmt = '%Y-%m-%d'
+    datetime_fmt = '%Y-%m-%d %H:%M:%S'
+    default_markup = 'wiki'
+    docbook_html_dir = r"/usr/share/xml/docbook/stylesheet/nwalsh/html/" # correct for debian sarge
+    editor_default = 'text' # which editor is called when nothing is specified
+    editor_ui = 'freechoice' # which editor links are shown on user interface
+    editor_force = False
+    editor_quickhelp = { # editor markup hints quickhelp 
+        'wiki': _("""\
+ Emphasis:: [[Verbatim('')]]''italics''[[Verbatim('')]]; [[Verbatim(''')]]'''bold'''[[Verbatim(''')]]; [[Verbatim(''''')]]'''''bold italics'''''[[Verbatim(''''')]]; [[Verbatim('')]]''mixed ''[[Verbatim(''')]]'''''bold'''[[Verbatim(''')]] and italics''[[Verbatim('')]]; [[Verbatim(----)]] horizontal rule.
+ Headings:: [[Verbatim(=)]] Title 1 [[Verbatim(=)]]; [[Verbatim(==)]] Title 2 [[Verbatim(==)]]; [[Verbatim(===)]] Title 3 [[Verbatim(===)]];   [[Verbatim(====)]] Title 4 [[Verbatim(====)]]; [[Verbatim(=====)]] Title 5 [[Verbatim(=====)]].
+ Lists:: space and one of: * bullets; 1., a., A., i., I. numbered items; 1.#n start numbering at n; space alone indents.
+ Links:: [[Verbatim(JoinCapitalizedWords)]]; [[Verbatim(["brackets and double quotes"])]]; url; [url]; [url label].
+ Tables:: || cell text |||| cell text spanning 2 columns ||;    no trailing white space allowed after tables or titles.
+
+(!) For more help, see HelpOnEditing or SyntaxReference.
+"""),
+        'rst': _("""\
+Emphasis: <i>*italic*</i> <b>**bold**</b> ``monospace``<br/>
+<br/><pre>
+Headings: Heading 1  Heading 2  Heading 3
+          =========  ---------  ~~~~~~~~~
+
+Horizontal rule: ---- 
+Links: TrailingUnderscore_ `multi word with backticks`_ external_ 
+
+.. _external: http://external-site.net/foo/
+
+Lists: * bullets; 1., a. numbered items.
+</pre>
+<br/>
+(!) For more help, see the 
+<a href="http://docutils.sourceforge.net/docs/user/rst/quickref.html">
+reStructuredText Quick Reference
+</a>.
+"""),
+    }
+    edit_locking = 'warn 10' # None, 'warn <timeout mins>', 'lock <timeout mins>'
+    edit_rows = 20
+    email_subpage_template = u"$from-$date-$subj" # used for mail import
+    email_wiki_address = None # the e-mail address for e-mails that should go into the wiki
+    email_secret = ""
+                
+    hacks = {} # { 'feature1': value1, ... }
+               # Configuration for features still in development.
+               # For boolean stuff just use config like this:
+               #   hacks = { 'feature': True, ...}
+               # and in the code use:
+               #   if cfg.hacks.get('feature', False): <doit>
+               # A non-existing hack key should ever mean False, None, "", [] or {}!
+
+    hosts_deny = []
+    html_head = ''
+    html_head_queries = '''<meta name="robots" content="noindex,nofollow">\n'''
+    html_head_posts   = '''<meta name="robots" content="noindex,nofollow">\n'''
+    html_head_index   = '''<meta name="robots" content="index,follow">\n'''
+    html_head_normal  = '''<meta name="robots" content="index,nofollow">\n'''
+    html_pagetitle = None
+
+    interwiki_preferred = [] # list of wiki names to show at top of interwiki list
+
+    language_default = 'en'
+    language_ignore_browser = False # ignore browser settings, use language_default
+                                    # or user prefs
+
+    lupy_search = False # disabled until lupy is finished
+
+    mail_login = None # or "user pwd" if you need to use SMTP AUTH
+    mail_sendmail = None # "/usr/sbin/sendmail -t -i" to not use SMTP, but sendmail
+    mail_smarthost = None
+    mail_from = None # u'Jrgen Wiki <noreply@jhwiki.org>'
+    
+    navi_bar = [u'RecentChanges', u'FindPage', u'HelpContents', ]
+    nonexist_qm = 0
+
+    page_credits = [
+        '<a href="http://moinmoin.wikiwikiweb.de/">MoinMoin Powered</a>',
+        '<a href="http://www.python.org/">Python Powered</a>',
+        '<a href="http://validator.w3.org/check?uri=referer">Valid HTML 4.01</a>',
+        ]
+    page_footer1 = ''
+    page_footer2 = ''
+
+    page_header1 = ''
+    page_header2 = ''
+    
+    page_front_page = u'HelpOnLanguages' # this will make people choose a sane config
+    page_local_spelling_words = u'LocalSpellingWords'
+    page_category_regex = u'^Category[A-Z]'
+    page_dict_regex = u'[a-z0-9]Dict$'
+    page_group_regex = u'[a-z0-9]Group$'
+    page_template_regex = u'[a-z0-9]Template$'
+
+    page_license_enabled = 0
+    page_license_page = u'WikiLicense'
+
+    # These icons will show in this order in the iconbar, unless they
+    # are not relevant, e.g email icon when the wiki is not configured
+    # for email.
+    page_iconbar = ["up", "edit", "view", "diff", "info", "subscribe", "raw", "print",]
+
+    # Standard buttons in the iconbar
+    page_icons_table = {
+        # key           last part of url, title, icon-key
+        'help':        ("%(q_page_help_contents)s", "%(page_help_contents)s", "help"),
+        'find':        ("%(q_page_find_page)s?value=%(q_page_name)s", "%(page_find_page)s", "find"),
+        'diff':        ("%(q_page_name)s?action=diff", _("Diffs"), "diff"),
+        'info':        ("%(q_page_name)s?action=info", _("Info"), "info"),
+        'edit':        ("%(q_page_name)s?action=edit", _("Edit"), "edit"),
+        'unsubscribe': ("%(q_page_name)s?action=subscribe", _("UnSubscribe"), "unsubscribe"),
+        'subscribe':   ("%(q_page_name)s?action=subscribe", _("Subscribe"), "subscribe"),
+        'raw':         ("%(q_page_name)s?action=raw", _("Raw"), "raw"),
+        'xml':         ("%(q_page_name)s?action=show&amp;mimetype=text/xml", _("XML"), "xml"),
+        'print':       ("%(q_page_name)s?action=print", _("Print"), "print"),
+        'view':        ("%(q_page_name)s", _("View"), "view"),
+        'up':          ("%(q_page_parent_page)s", _("Up"), "up"),
+        }
+    refresh = None # (minimum_delay, type), e.g.: (2, 'internal')
+    rss_cache = 60 # suggested caching time for RecentChanges RSS, in seconds
+    shared_intermap = None # can be string or list of strings (filenames)
+    show_hosts = 1
+    show_interwiki = 0
+    show_login = 1
+    show_names = True
+    show_section_numbers = 0
+    show_timings = 0
+    show_version = 0
+    siteid = 'default'
+    stylesheets = [] # list of tuples (media, csshref) to insert after theme css, before user css
+    superuser = [] # list of unicode user names that have super powers :)
+    
+    surge_action_limits = { # allow max. <count> <action> requests per <dt> secs
+        # action: (count, dt)
+        'all': (30, 30),
+        'show': (30, 60),
+        'recall': (5, 60),
+        'raw': (20, 40),  # some people use this for css
+        'AttachFile': (90, 60),
+        'diff': (30, 60),
+        'fullsearch': (5, 60),
+        'edit': (10, 120),
+        'rss_rc': (1, 60),
+        'default': (30, 60),
+    }
+    surge_lockout_time = 3600 # secs you get locked out when you ignore warnings
+    
+    theme_default = 'modern'
+    theme_force = False
+    trail_size = 5
+    tz_offset = 0.0 # default time zone offset in hours from UTC
+    user_autocreate = False # do we auto-create user profiles
+    user_email_unique = True # do we check whether a user's email is unique?
+
+    # a regex of HTTP_USER_AGENTS that should be excluded from logging
+    # and receive a FORBIDDEN for anything except viewing a page
+    ua_spiders = ('archiver|cfetch|crawler|curl|gigabot|googlebot|holmes|htdig|httrack|httpunit|jeeves|larbin|leech|'
+                  'linkbot|linkmap|linkwalk|mercator|mirror|msnbot|nutbot|omniexplorer|puf|robot|scooter|'
+                  'sherlock|slurp|sitecheck|spider|teleport|voyager|webreaper|wget')
+
+    # Wiki identity
+    sitename = u'Untitled Wiki'
+    url_prefix = '/wiki'
+    logo_string = None
+    interwikiname = None
+    
+    url_mappings = {}
+
+    user_checkbox_fields = [
+        ('mailto_author', lambda _: _('Publish my email (not my wiki homepage) in author info')),
+        ('edit_on_doubleclick', lambda _: _('Open editor on double click')),
+        ('remember_last_visit', lambda _: _('Jump to last visited page instead of frontpage')),
+        ('show_nonexist_qm', lambda _: _('Show question mark for non-existing pagelinks')),
+        ('show_page_trail', lambda _: _('Show page trail')),
+        ('show_toolbar', lambda _: _('Show icon toolbar')),
+        ('show_topbottom', lambda _: _('Show top/bottom links in headings')),
+        ('show_fancy_diff', lambda _: _('Show fancy diffs')),
+        ('wikiname_add_spaces', lambda _: _('Add spaces to displayed wiki names')),
+        ('remember_me', lambda _: _('Remember login information')),
+        ('want_trivial', lambda _: _('Subscribe to trivial changes')),
+        
+        ('disabled', lambda _: _('Disable this account forever')),
+        # if an account is disabled, it may be used for looking up
+        # id -> username for page info and recent changes, but it
+        # is not usable for the user any more:
+    ]
+    user_checkbox_defaults = {'mailto_author':       0,
+                              'edit_on_doubleclick': 0,
+                              'remember_last_visit': 0,
+                              'show_nonexist_qm':    nonexist_qm,
+                              'show_page_trail':     1,
+                              'show_toolbar':        1,
+                              'show_topbottom':      0,
+                              'show_fancy_diff':     1,
+                              'wikiname_add_spaces': 0,
+                              'remember_me':         1,
+                              'want_trivial':        0,
+                             }
+    # don't let the user change those
+    # user_checkbox_disable = ['disabled', 'want_trivial']
+    user_checkbox_disable = []
+    
+    # remove those checkboxes:
+    #user_checkbox_remove = ['edit_on_doubleclick', 'show_nonexist_qm', 'show_toolbar', 'show_topbottom',
+    #                        'show_fancy_diff', 'wikiname_add_spaces', 'remember_me', 'disabled',]
+    user_checkbox_remove = []
+    
+    user_form_fields = [
+        ('name', _('Name'), "text", "36", _("(Use Firstname''''''Lastname)")),
+        ('aliasname', _('Alias-Name'), "text", "36", ''),
+        ('password', _('Password'), "password", "36", ''),
+        ('password2', _('Password repeat'), "password", "36", _('(Only when changing passwords)')),
+        ('email', _('Email'), "text", "36", ''),
+        ('css_url', _('User CSS URL'), "text", "40", _('(Leave it empty for disabling user CSS)')),
+        ('edit_rows', _('Editor size'), "text", "3", ''),
+        ##('theme', _('Preferred theme'), [self._theme_select()])
+        ##('', _('Editor Preference'), [self._editor_default_select()])
+        ##('', _('Editor shown on UI'), [self._editor_ui_select()])
+        ##('', _('Time zone'), [self._tz_select()])
+        ##('', _('Date format'), [self._dtfmt_select()])
+        ##('', _('Preferred language'), [self._lang_select()])
+    ]
+    user_form_defaults = { # key: default
+        'name': '',
+        'aliasname': '',
+        'password': '',
+        'password2': '',
+        'email': '',
+        'css_url': '',
+        'edit_rows': "20",
+    }
+    # don't let the user change those, but show them:
+    #user_form_disable = ['name', 'aliasname', 'email',]
+    user_form_disable = []
+    
+    # remove those completely:
+    #user_form_remove = ['password', 'password2', 'css_url', 'logout', 'create', 'account_sendmail',]
+    user_form_remove = []
+    
+    # attributes we do NOT save to the userpref file
+    user_transient_fields =  ['id', 'valid', 'may', 'auth_username', 'trusted', 'password', 'password2', 'auth_method', 'auth_attribs']
+
+    user_homewiki = 'Self' # interwiki name for where user homepages are located
+
+    unzip_single_file_size = 2.0 * 1000**2
+    unzip_attachments_space = 200.0 * 1000**2
+    unzip_attachments_count = 51 # 1 zip file + 50 files contained in it
+
+    xmlrpc_putpage_enabled = 0 # if 0, putpage will write to a test page only
+    xmlrpc_putpage_trusted_only = 1 # if 1, you will need to be http auth authenticated
+    
+    SecurityPolicy = None
+
+    def __init__(self, siteid):
+        """ Init Config instance """
+        self.siteid = siteid
+        if self.config_check_enabled:
+            self._config_check()
+
+        # define directories
+        self.moinmoin_dir = os.path.abspath(os.path.dirname(__file__))
+        data_dir = os.path.normpath(self.data_dir)
+        self.data_dir = data_dir
+        for dirname in ('user', 'cache', 'plugin'):
+            name = dirname + '_dir'
+            if not getattr(self, name, None):
+                setattr(self, name, os.path.join(data_dir, dirname))
+            
+        # Try to decode certain names which allow unicode
+        self._decode()
+
+        self._check_directories()
+
+        if not isinstance(self.superuser, list):
+            msg = """The superuser setting in your wiki configuration is not a list
+                     (e.g. ['Sample User', 'AnotherUser']).
+                     Please change it in your wiki configuration and try again."""
+            raise error.ConfigurationError(msg)
+        
+        self._loadPluginModule()
+
+        # Preparse user dicts
+        self._fillDicts()
+        
+        # Normalize values
+        self.language_default = self.language_default.lower()
+
+        # Use site name as default name-logo
+        if self.logo_string is None:
+            self.logo_string = self.sitename
+
+        # Check for needed modules
+
+        # FIXME: maybe we should do this check later, just before a
+        # chart is needed, maybe in the chart module, instead doing it
+        # for each request. But this require a large refactoring of
+        # current code.
+        if self.chart_options:
+            try:
+                import gdchart
+            except ImportError:
+                self.chart_options = None
+        
+        # post process
+        # we replace any string placeholders with config values
+        # e.g u'%(page_front_page)s' % self
+        self.navi_bar = [elem % self for elem in self.navi_bar]
+        self.backup_exclude = [elem % self for elem in self.backup_exclude]
+
+        # list to cache lupy searcher objects
+        self.lupy_searchers = []
+
+        # check if mail is possible and set flag:
+        self.mail_enabled = (self.mail_smarthost is not None or self.mail_sendmail is not None) and self.mail_from
+
+    def _config_check(self):
+        """ Check namespace and warn about unknown names
+        
+        Warn about names which are not used by DefaultConfig, except
+        modules, classes, _private or __magic__ names.
+
+        This check is disabled by default, when enabled, it will show an
+        error message with unknown names.
+        """       
+        unknown = ['"%s"' % name for name in dir(self)
+                  if not name.startswith('_') and 
+                  not DefaultConfig.__dict__.has_key(name) and
+                  not isinstance(getattr(self, name), (type(sys), type(DefaultConfig)))]
+        if unknown:
+            msg = """
+Unknown configuration options: %s.
+
+For more information, visit HelpOnConfiguration. Please check your
+configuration for typos before requesting support or reporting a bug.
+""" % ', '.join(unknown)
+            raise error.ConfigurationError(msg)
+
+    def _decode(self):
+        """ Try to decode certain names, ignore unicode values
+        
+        Try to decode str using utf-8. If the decode fail, raise FatalError. 
+
+        Certain config variables should contain unicode values, and
+        should be defined with u'text' syntax. Python decode these if
+        the file have a 'coding' line.
+        
+        This will allow utf-8 users to use simple strings using, without
+        using u'string'. Other users will have to use u'string' for
+        these names, because we don't know what is the charset of the
+        config files.
+        """
+        charset = 'utf-8'
+        message = u'''
+"%(name)s" configuration variable is a string, but should be
+unicode. Use %(name)s = u"value" syntax for unicode variables.
+
+Also check your "-*- coding -*-" line at the top of your configuration
+file. It should match the actual charset of the configuration file.
+'''
+        
+        decode_names = (
+            'sitename', 'logo_string', 'navi_bar', 'page_front_page',
+            'page_category_regex', 'page_dict_regex', 
+            'page_group_regex', 'page_template_regex', 'page_license_page',
+            'page_local_spelling_words', 'acl_rights_default',
+            'acl_rights_before', 'acl_rights_after', 'mail_from'
+            )
+        
+        for name in decode_names:
+            attr = getattr(self, name, None)
+            if attr:
+                # Try to decode strings
+                if isinstance(attr, str):
+                    try:
+                        setattr(self, name, unicode(attr, charset)) 
+                    except UnicodeError:
+                        raise error.ConfigurationError(message %
+                                                       {'name': name})
+                # Look into lists and try to decode strings inside them
+                elif isinstance(attr, list):
+                    for i in xrange(len(attr)):
+                        item = attr[i]
+                        if isinstance(item, str):
+                            try:
+                                attr[i] = unicode(item, charset)
+                            except UnicodeError:
+                                raise error.ConfigurationError(message %
+                                                               {'name': name})
+
+    def _check_directories(self):
+        """ Make sure directories are accessible
+
+        Both data and underlay should exists and allow read, write and
+        execute.
+        """
+        mode = os.F_OK | os.R_OK | os.W_OK | os.X_OK
+        for attr in ('data_dir', 'data_underlay_dir'):
+            path = getattr(self, attr)
+            
+            # allow an empty underlay path or None
+            if attr == 'data_underlay_dir' and not path:
+                continue
+
+            path_pages = os.path.join(path, "pages")
+            if not (os.path.isdir(path_pages) and os.access(path_pages, mode)):
+                msg = '''
+%(attr)s "%(path)s" does not exists, or has incorrect ownership or
+permissions.
+
+Make sure the directory and the subdirectory pages are owned by the web
+server and are readable, writable and executable by the web server user
+and group.
+
+It is recommended to use absolute paths and not relative paths. Check
+also the spelling of the directory name.
+''' % {'attr': attr, 'path': path,}
+                raise error.ConfigurationError(msg)
+
+    def _loadPluginModule(self):
+        """ import plugin module under configname.plugin
+
+        To be able to import plugin from arbitrary path, we have to load
+        the base package once using imp.load_module. Later, we can use
+        standard __import__ call to load plugins in this package.
+
+        Since each wiki has unique plugins, we load the plugin package
+        under the wiki configuration module, named self.siteid.
+        """
+        import sys, imp
+
+        name = self.siteid + '.plugin'
+        try:
+            # Lock other threads while we check and import
+            imp.acquire_lock()
+            try:
+                # If the module is not loaded, try to load it
+                if not name in sys.modules:
+                    # Find module on disk and try to load - slow!
+                    plugin_parent_dir = os.path.abspath(os.path.join(self.plugin_dir, '..'))
+                    fp, path, info = imp.find_module('plugin', [plugin_parent_dir])
+                    try:
+                        # Load the module and set in sys.modules             
+                        module = imp.load_module(name, fp, path, info)
+                        sys.modules[self.siteid].plugin = module
+                    finally:
+                        # Make sure fp is closed properly
+                        if fp:
+                            fp.close()
+            finally:
+                imp.release_lock()
+        except ImportError, err:
+            msg = '''
+Could not import plugin package "%(path)s/plugin" because of ImportError:
+%(err)s.
+
+Make sure your data directory path is correct, check permissions, and
+that the data/plugin directory has an __init__.py file.
+''' % {'path': self.data_dir, 'err': str(err)}
+            raise error.ConfigurationError(msg)
+
+    def _fillDicts(self):
+        """ fill config dicts
+
+        Fills in missing dict keys of derived user config by copying
+        them from this base class.
+        """
+        # user checkbox defaults
+        for key, value in DefaultConfig.user_checkbox_defaults.items():
+            if not self.user_checkbox_defaults.has_key(key):
+                self.user_checkbox_defaults[key] = value
+
+    def __getitem__(self, item):
+        """ Make it possible to access a config object like a dict """
+        return getattr(self, item)
+    
+# remove the gettext pseudo function 
+del _
+