def _loadPlugins(self, irc):
     self.log.info('Loading plugins (connecting to %s).', irc.network)
     alwaysLoadImportant = conf.supybot.plugins.alwaysLoadImportant()
     important = conf.supybot.commands.defaultPlugins.importantPlugins()
     for (name, value) in conf.supybot.plugins.getValues(fullNames=False):
         if irc.getCallback(name) is None:
             load = value()
             if not load and name in important:
                 if alwaysLoadImportant:
                     s = '%s is configured not to be loaded, but is being '\
                         'loaded anyway because ' \
                         'supybot.plugins.alwaysLoadImportant is True.'
                     self.log.warning(s, name)
                     load = True
             if load:
                 # We don't load plugins that don't start with a capital
                 # letter.
                 if name[0].isupper() and not irc.getCallback(name):
                     # This is debug because each log logs its beginning.
                     self.log.debug('Loading %s.', name)
                     try:
                         m = plugin.loadPluginModule(name,
                                                     ignoreDeprecation=True)
                         plugin.loadPluginClass(irc, m)
                     except callbacks.Error as e:
                         # This is just an error message.
                         log.warning(str(e))
                     except plugins.NoSuitableDatabase as e:
                         s = 'Failed to load %s: no suitable database(%s).' % (
                             name, e)
                         log.warning(s)
                     except ImportError as e:
                         e = str(e)
                         if e.endswith(name):
                             s = 'Failed to load {0}: No plugin named {0} exists.'.format(
                                 utils.str.dqrepr(name))
                         elif "No module named 'config'" in e:
                             s = (
                                 "Failed to load %s: This plugin may be incompatible "
                                 "with your current Python version. If this error is appearing "
                                 "with stock Supybot plugins, remove the stock plugins directory "
                                 "(usually ~/Limnoria/plugins) from 'config directories.plugins'." %
                                 name)
                         else:
                             s = 'Failed to load %s: import error (%s).' % (
                                 name, e)
                         log.warning(s)
                     except Exception as e:
                         log.exception('Failed to load %s:', name)
             else:
                 # Let's import the module so configuration is preserved.
                 try:
                     _ = plugin.loadPluginModule(name)
                 except Exception as e:
                     log.debug('Attempted to load %s to preserve its '
                               'configuration, but load failed: %s',
                               name, e)
     world.starting = False

 def setUp(self, nick='test', forceSetup=False):
     if not forceSetup and \
             self.__class__ in (PluginTestCase, ChannelPluginTestCase):
         # Necessary because there's a test in here that shouldn\'t run.
         return
     SupyTestCase.setUp(self)
     # Just in case, let's do this.  Too many people forget to call their
     # super methods.
     for irc in world.ircs[:]:
         irc._reallyDie()
     # Set conf variables appropriately.
     conf.supybot.reply.whenAddressedBy.chars.setValue('@')
     conf.supybot.reply.error.detailed.setValue(True)
     conf.supybot.reply.whenNotCommand.setValue(True)
     self.myVerbose = world.myVerbose
     def rmFiles(dir):
         for filename in os.listdir(dir):
             file = os.path.join(dir, filename)
             if os.path.isfile(file):
                 os.remove(file)
             else:
                 shutil.rmtree(file)
     if self.cleanConfDir:
         rmFiles(conf.supybot.directories.conf())
     if self.cleanDataDir:
         rmFiles(conf.supybot.directories.data())
     ircdb.users.reload()
     ircdb.ignores.reload()
     ircdb.channels.reload()
     if self.plugins is None:
         raise ValueError, 'PluginTestCase must have a "plugins" attribute.'
     self.nick = nick
     self.prefix = ircutils.joinHostmask(nick, 'user', 'host.domain.tld')
     self.irc = getTestIrc()
     MiscModule = plugin.loadPluginModule('Misc')
     OwnerModule = plugin.loadPluginModule('Owner')
     ConfigModule = plugin.loadPluginModule('Config')
     _ = plugin.loadPluginClass(self.irc, MiscModule)
     _ = plugin.loadPluginClass(self.irc, OwnerModule)
     _ = plugin.loadPluginClass(self.irc, ConfigModule)
     if isinstance(self.plugins, str):
         self.plugins = [self.plugins]
     else:
         for name in self.plugins:
             if name not in ('Owner', 'Misc', 'Config'):
                 module = plugin.loadPluginModule(name,
                                                  ignoreDeprecation=True)
                 cb = plugin.loadPluginClass(self.irc, module)
     self.irc.addCallback(TestInstance)
     for (name, value) in self.config.iteritems():
         group = conf.supybot
         parts = registry.split(name)
         if parts[0] == 'supybot':
             parts.pop(0)
         for part in parts:
             group = group.get(part)
         self.originals[group] = group()
         group.setValue(value)

    def reload(self, irc, msg, args, name):
        """<plugin>

        Unloads and subsequently reloads the plugin by name; use the 'list'
        command to see a list of the currently loaded plugins.
        """
        callbacks = irc.removeCallback(name)
        if callbacks:
            module = sys.modules[callbacks[0].__module__]
            if hasattr(module, 'reload'):
                x = module.reload()
            try:
                module = plugin.loadPluginModule(name)
                if hasattr(module, 'reload'):
                    module.reload(x)
                for callback in callbacks:
                    callback.die()
                    del callback
                gc.collect() # This makes sure the callback is collected.
                callback = plugin.loadPluginClass(irc, module)
                irc.replySuccess()
            except ImportError:
                for callback in callbacks:
                    irc.addCallback(callback)
                irc.error('No plugin %s exists.' % name)
        else:
            irc.error('There was no plugin %s.' % name)

    def load(self, irc, msg, args, optlist, name):
        """[--deprecated] <plugin>

        Loads the plugin <plugin> from any of the directories in
        conf.supybot.directories.plugins; usually this includes the main
        installed directory and 'plugins' in the current directory.
        --deprecated is necessary if you wish to load deprecated plugins.
        """
        ignoreDeprecation = False
        for (option, argument) in optlist:
            if option == 'deprecated':
                ignoreDeprecation = True
        if name.endswith('.py'):
            name = name[:-3]
        if irc.getCallback(name):
            irc.error('%s is already loaded.' % name.capitalize())
            return
        try:
            module = plugin.loadPluginModule(name, ignoreDeprecation)
        except plugin.Deprecated:
            irc.error('%s is deprecated.  Use --deprecated '
                      'to force it to load.' % name.capitalize())
            return
        except ImportError, e:
            if str(e).endswith(' ' + name):
                irc.error('No plugin named %s exists.' % utils.str.dqrepr(name))
            else:
                irc.error(str(e))
            return

 def _loadPlugins(self, irc):
     self.log.info('Loading plugins (connecting to %s).', irc.network)
     alwaysLoadImportant = conf.supybot.plugins.alwaysLoadImportant()
     important = conf.supybot.commands.defaultPlugins.importantPlugins()
     for (name, value) in conf.supybot.plugins.getValues(fullNames=False):
         if irc.getCallback(name) is None:
             load = value()
             if not load and name in important:
                 if alwaysLoadImportant:
                     s = '%s is configured not to be loaded, but is being '\
                         'loaded anyway because ' \
                         'supybot.plugins.alwaysLoadImportant is True.'
                     self.log.warning(s, name)
                     load = True
             if load:
                 # We don't load plugins that don't start with a capital
                 # letter.
                 if name[0].isupper() and not irc.getCallback(name):
                     # This is debug because each log logs its beginning.
                     self.log.debug('Loading %s.', name)
                     try:
                         m = plugin.loadPluginModule(name,
                                                     ignoreDeprecation=True)
                         plugin.loadPluginClass(irc, m)
                     except callbacks.Error, e:
                         # This is just an error message.
                         log.warning(str(e))
                     except (plugins.NoSuitableDatabase, ImportError), e:
                         s = 'Failed to load %s: %s' % (name, e)
                         if not s.endswith('.'):
                             s += '.'
                         log.warning(s)
                     except Exception, e:
                         log.exception('Failed to load %s:', name)

    def reload(self, irc, msg, args, name):
        """<plugin>

        Unloads and subsequently reloads the plugin by name; use the 'list'
        command to see a list of the currently loaded plugins.
        """
        if ircutils.strEqual(name, self.name()):
            irc.error('You can\'t reload the %s plugin.' % name)
            return
        callbacks = irc.removeCallback(name)
        if callbacks:
            module = sys.modules[callbacks[0].__module__]
            if hasattr(module, 'reload'):
                x = module.reload()
            try:
                module = plugin.loadPluginModule(name)
                if hasattr(module, 'reload') and 'x' in locals():
                    module.reload(x)
                if hasattr(module, 'config'):
                    from imp import reload
                    reload(module.config)
                for callback in callbacks:
                    callback.die()
                    del callback
                gc.collect() # This makes sure the callback is collected.
                callback = plugin.loadPluginClass(irc, module)
                irc.replySuccess()
            except ImportError:
                for callback in callbacks:
                    irc.addCallback(callback)
                irc.error('No plugin named %s exists.' % name)
        else:
            irc.error('There was no plugin %s.' % name)

def loadPlugin(name):
    import supybot.plugin as plugin
    try:
        module = plugin.loadPluginModule(name)
        if hasattr(module, 'Class'):
            return module
        else:
            output("""That plugin loaded fine, but didn't seem to be a real
            Supybot plugin; there was no Class variable to tell us what class
            to load when we load the plugin.  We'll skip over it for now, but
            you can always add it later.""")
            return None
    except Exception, e:
        output("""We encountered a bit of trouble trying to load plugin %r.
        Python told us %r.  We'll skip over it for now, you can always add it
        later.""" % (name, utils.gen.exnToString(e)))
        return None

 def load(self, irc, msg, args, optlist, name):
     """[--deprecated] <plugin>
     Loads the plugin <plugin> from any of the directories in
     conf.supybot.directories.plugins; usually this includes the main
     installed directory and 'plugins' in the current directory.
     --deprecated is necessary if you wish to load deprecated plugins.
     """
     ignoreDeprecation = False
     for (option, argument) in optlist:
         if option == 'deprecated':
             ignoreDeprecation = True
     if name.endswith('.py'):
         name = name[:-3]
     if irc.getCallback(name):
         irc.error('%s is already loaded.' % name.capitalize())
         return
     try:
         module = plugin.loadPluginModule(name, ignoreDeprecation)
     except plugin.Deprecated:
         irc.error('%s is deprecated.  Use --deprecated '
                   'to force it to load.' % name.capitalize())
         return
     except ImportError as e:
         if str(e).endswith(name):
             irc.error(
                 'No plugin named %s exists.' %
                 utils.str.dqrepr(name))
         elif "No module named 'config'" in str(e):
             irc.error(
                 'This plugin may be incompatible with your current Python '
                 'version. Try running 2to3 on it.')
         else:
             irc.error(str(e))
         return
     cb = plugin.loadPluginClass(irc, module)
     name = cb.name()  # Let's normalize this.
     conf.registerPlugin(name, True)
     irc.replySuccess()

                                                        ignoreDeprecation=True)
                            plugin.loadPluginClass(irc, m)
                        except callbacks.Error, e:
                            # This is just an error message.
                            log.warning(str(e))
                        except (plugins.NoSuitableDatabase, ImportError), e:
                            s = 'Failed to load %s: %s' % (name, e)
                            if not s.endswith('.'):
                                s += '.'
                            log.warning(s)
                        except Exception, e:
                            log.exception('Failed to load %s:', name)
                else:
                    # Let's import the module so configuration is preserved.
                    try:
                        _ = plugin.loadPluginModule(name)
                    except Exception, e:
                        log.debug('Attempted to load %s to preserve its '
                                  'configuration, but load failed: %s',
                                  name, e)
        world.starting = False

    def do376(self, irc, msg):
        networkGroup = conf.supybot.networks.get(irc.network)
        for channel in networkGroup.channels():
            irc.queueMsg(networkGroup.channels.join(channel))
    do422 = do377 = do376

    def doPrivmsg(self, irc, msg):
        assert self is irc.callbacks[0], \
               'Owner isn\'t first callback: %r' % irc.callbacks

# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###

from supybot.test import *

import supybot.plugin as plugin

Alias = plugin.loadPluginModule('Alias')

class FunctionsTest(SupyTestCase):
    def testFindBiggestDollar(self):
        self.assertEqual(Alias.findBiggestDollar(''), 0)
        self.assertEqual(Alias.findBiggestDollar('foo'), 0)
        self.assertEqual(Alias.findBiggestDollar('$0'), 0)
        self.assertEqual(Alias.findBiggestDollar('$1'), 1)
        self.assertEqual(Alias.findBiggestDollar('$2'), 2)
        self.assertEqual(Alias.findBiggestDollar('$2 $10'), 10)
        self.assertEqual(Alias.findBiggestDollar('$3'), 3)
        self.assertEqual(Alias.findBiggestDollar('$3 $2 $1'), 3)
        self.assertEqual(Alias.findBiggestDollar('foo bar $1'), 1)
        self.assertEqual(Alias.findBiggestDollar('foo $2 $1'), 2)
        self.assertEqual(Alias.findBiggestDollar('foo $0 $1'), 1)
        self.assertEqual(Alias.findBiggestDollar('foo $1 $3'), 3)

 def testLoadPluginModule(self):
     self.assertRaises(ImportError, plugin.loadPluginModule, "asldj")
     self.failUnless(plugin.loadPluginModule("Owner"))