a9111c7241
if any of the modules fails to reload, rollback and use the already loaded modules. closes #179
117 lines
4.2 KiB
Python
117 lines
4.2 KiB
Python
#--depends-on commands
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#--depends-on permissions
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from src import ModuleManager, utils
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class Module(ModuleManager.BaseModule):
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def _catch(self, name, func):
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try:
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return func()
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except ModuleManager.ModuleNotFoundException:
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raise utils.EventError("Module '%s' not found" % name)
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except ModuleManager.ModuleNotLoadedException:
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raise utils.EventError("Module '%s' isn't loaded" % name)
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except ModuleManager.ModuleWarning as warning:
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raise utils.EventError("Module '%s' not loaded: %s" % (
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name, str(warning)))
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except Exception as e:
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raise utils.EventError("Failed to reload module '%s': %s" % (
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name, str(e)))
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@utils.hook("received.command.loadmodule", min_args=1)
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def load(self, event):
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"""
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:help: Load a module
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:usage: <module name>
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:permission: load-module
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"""
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name = event["args_split"][0].lower()
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if name in self.bot.modules.modules:
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raise utils.EventError("Module '%s' is already loaded" % name)
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definition = self._catch(name,
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lambda: self.bot.modules.find_module(name))
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self._catch(name, lambda: self.bot.modules.load_module(self.bot, definition))
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event["stdout"].write("Loaded '%s'" % name)
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@utils.hook("received.command.unloadmodule", min_args=1)
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def unload(self, event):
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"""
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:help: Unload a module
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:usage: <module name>
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:permission: unload-module
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"""
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name = event["args_split"][0].lower()
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if not name in self.bot.modules.modules:
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raise utils.EventError("Module '%s' isn't loaded" % name)
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self._catch(name, lambda: self.bot.modules.unload_module(name))
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event["stdout"].write("Unloaded '%s'" % name)
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def _reload(self, name):
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self.bot.modules.unload_module(name)
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definition = self._catch(name,
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lambda: self.bot.modules.find_module(name))
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self.bot.modules.load_module(self.bot, definition)
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@utils.hook("received.command.reloadmodule", min_args=1)
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def reload(self, event):
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"""
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:help: Reload a module
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:usage: <module name>
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:permission: reload-module
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"""
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name = event["args_split"][0].lower()
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self._catch(name, lambda: self._reload(name))
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event["stdout"].write("Reloaded '%s'" % name)
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@utils.hook("received.command.reloadallmodules")
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def reload_all(self, event):
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"""
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:help: Reload all modules
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:permission: reload-all-modules
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"""
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result = self.bot.try_reload_modules()
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if result.success:
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event["stdout"].write(result.message)
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else:
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event["stderr"].write(result.message)
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@utils.hook("received.command.enablemodule", min_args=1)
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def enable(self, event):
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"""
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:help: Remove a module from the module blacklist
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:usage: <module name>
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:permission: enable-module
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"""
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name = event["args_split"][0].lower()
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blacklist = self.bot.get_setting("module-blacklist", [])
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if not name in blacklist:
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raise utils.EventError("Module '%s' isn't disabled" % name)
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blacklist.remove(name)
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self.bot.set_setting("module-blacklist", blacklist)
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event["stdout"].write("Module '%s' has been enabled and can now "
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"be loaded" % name)
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@utils.hook("received.command.disablemodule", min_args=1)
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def disable(self, event):
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"""
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:help: Add a module to the module blacklist
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:usage: <module name>
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:permission: disable-module
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"""
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name = event["args_split"][0].lower()
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and_unloaded = ""
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if name in self.bot.modules.modules:
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self.bot.modules.unload_module(name)
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and_unloaded = " and unloaded"
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blacklist = self.bot.get_setting("module-blacklist", [])
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if name in blacklist:
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raise utils.EventError("Module '%s' is already disabled" % name)
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blacklist.append(name)
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self.bot.set_setting("module-blacklist", blacklist)
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event["stdout"].write("Module '%s' has been disabled%s" % (
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name, and_unloaded))
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