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mirror of https://github.com/jlu5/PyLink.git synced 2024-12-25 04:02:45 +01:00

Move (un|re)?load, identify commands to coreplugin

This is so the commands plugin, which includes other generic (but not essential) commands, can be more easily reloaded.
This commit is contained in:
James Lu 2015-10-23 18:22:29 -07:00
parent 1b8f1ff95e
commit d14cf3c7cf
2 changed files with 152 additions and 151 deletions

View File

@ -1,4 +1,7 @@
## coreplugin.py - Core PyLink plugin
# coreplugin.py - Implements core PyLink functions as a plugin
import gc
import sys
import utils
from log import log
@ -107,3 +110,151 @@ def handle_mode(irc, source, command, args):
if ('-o', None) in modes and (target == irc.pseudoclient.uid or not utils.isManipulatableClient(irc, target)):
irc.proto.modeServer(irc.sid, target, {('+o', None)})
utils.add_hook(handle_mode, 'MODE')
# Essential, core commands go here so that the "commands" plugin with less-important,
# but still generic functions can be reloaded.
@utils.add_cmd
def identify(irc, source, args):
"""<username> <password>
Logs in to PyLink using the configured administrator account."""
if utils.isChannel(irc.called_by):
irc.msg(irc.called_by, 'Error: This command must be sent in private. '
'(Would you really type a password inside a channel?)')
return
try:
username, password = args[0], args[1]
except IndexError:
irc.msg(source, 'Error: Not enough arguments.')
return
# Usernames are case-insensitive, passwords are NOT.
if username.lower() == irc.conf['login']['user'].lower() and password == irc.conf['login']['password']:
realuser = irc.conf['login']['user']
irc.users[source].identified = realuser
irc.msg(source, 'Successfully logged in as %s.' % realuser)
log.info("(%s) Successful login to %r by %s.",
irc.name, username, utils.getHostmask(irc, source))
else:
irc.msg(source, 'Error: Incorrect credentials.')
u = irc.users[source]
log.warning("(%s) Failed login to %r from %s.",
irc.name, username, utils.getHostmask(irc, source))
@utils.add_cmd
def shutdown(irc, source, args):
"""takes no arguments.
Exits PyLink by disconnecting all networks."""
utils.checkAuthenticated(irc, source, allowOper=False)
u = irc.users[source]
log.info('(%s) SHUTDOWN requested by "%s!%s@%s", exiting...', irc.name, u.nick,
u.ident, u.host)
for ircobj in world.networkobjects.values():
# Disable auto-connect first by setting the time to negative.
ircobj.serverdata['autoconnect'] = -1
ircobj.aborted.set()
def load(irc, source, args):
"""<plugin name>.
Loads a plugin from the plugin folder."""
utils.checkAuthenticated(irc, source, allowOper=False)
try:
name = args[0]
except IndexError:
irc.msg(irc.called_by, "Error: Not enough arguments. Needs 1: plugin name.")
return
if name in world.plugins:
irc.msg(irc.called_by, "Error: %r is already loaded." % name)
return
try:
world.plugins[name] = pl = utils.loadModuleFromFolder(name, world.plugins_folder)
except ImportError as e:
if str(e) == ('No module named %r' % name):
log.exception('Failed to load plugin %r: The plugin could not be found.', name)
else:
log.exception('Failed to load plugin %r: ImportError.', name)
raise
else:
if hasattr(pl, 'main'):
log.debug('Calling main() function of plugin %r', pl)
pl.main(irc)
irc.msg(irc.called_by, "Loaded plugin %r." % name)
utils.add_cmd(load)
def unload(irc, source, args):
"""<plugin name>.
Unloads a currently loaded plugin."""
utils.checkAuthenticated(irc, source, allowOper=False)
try:
name = args[0]
except IndexError:
irc.msg(irc.called_by, "Error: Not enough arguments. Needs 1: plugin name.")
return
if name in world.plugins:
pl = world.plugins[name]
log.debug('sys.getrefcount of plugin %s is %s', pl, sys.getrefcount(pl))
# Remove any command functions set by the plugin.
for cmdname, cmdfuncs in world.commands.copy().items():
log.debug('cmdname=%s, cmdfuncs=%s', cmdname, cmdfuncs)
for cmdfunc in cmdfuncs:
log.debug('__module__ of cmdfunc %s is %s', cmdfunc, cmdfunc.__module__)
if cmdfunc.__module__ == name:
log.debug('Removing %s from world.commands[%s]', cmdfunc, cmdname)
world.commands[cmdname].remove(cmdfunc)
# If the cmdfunc list is empty, remove it.
if not cmdfuncs:
log.debug("Removing world.commands[%s] (it's empty now)", cmdname)
del world.commands[cmdname]
# Remove any command hooks set by the plugin.
for hookname, hookfuncs in world.hooks.copy().items():
for hookfunc in hookfuncs:
if hookfunc.__module__ == name:
world.hooks[hookname].remove(hookfunc)
# If the hookfuncs list is empty, remove it.
if not hookfuncs:
del world.hooks[hookname]
# Remove whois handlers too.
for f in world.whois_handlers:
if f.__module__ == name:
world.whois_handlers.remove(f)
# Call the die() function in the plugin, if present.
if hasattr(pl, 'die'):
try:
pl.die(irc)
except: # But don't allow it to crash the server.
log.exception('(%s) Error occurred in die() of plugin %s, skipping...', irc.name, pl)
# Delete it from memory (hopefully).
del world.plugins[name]
if name in sys.modules:
del sys.modules[name]
if name in globals():
del globals()[name]
# Garbage collect.
gc.collect()
irc.msg(irc.called_by, "Unloaded plugin %r." % name)
return True # We succeeded, make it clear (this status is used by reload() below)
else:
irc.msg(irc.called_by, "Unknown plugin %r." % name)
utils.add_cmd(unload)
@utils.add_cmd
def reload(irc, source, args):
"""<plugin name>.
Loads a plugin from the plugin folder."""
try:
name = args[0]
except IndexError:
irc.msg(irc.called_by, "Error: Not enough arguments. Needs 1: plugin name.")
return
if unload(irc, source, args):
load(irc, source, args)

View File

@ -2,8 +2,6 @@
import sys
import os
from time import ctime
import itertools
import gc
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
import utils
@ -24,33 +22,6 @@ def status(irc, source, args):
irc.msg(irc.called_by, 'You are not identified as anyone.')
irc.msg(irc.called_by, 'Operator access: \x02%s\x02' % bool(utils.isOper(irc, source)))
@utils.add_cmd
def identify(irc, source, args):
"""<username> <password>
Logs in to PyLink using the configured administrator account."""
if utils.isChannel(irc.called_by):
irc.msg(irc.called_by, 'Error: This command must be sent in private. '
'(Would you really type a password inside a channel?)')
return
try:
username, password = args[0], args[1]
except IndexError:
irc.msg(source, 'Error: Not enough arguments.')
return
# Usernames are case-insensitive, passwords are NOT.
if username.lower() == irc.conf['login']['user'].lower() and password == irc.conf['login']['password']:
realuser = irc.conf['login']['user']
irc.users[source].identified = realuser
irc.msg(source, 'Successfully logged in as %s.' % realuser)
log.info("(%s) Successful login to %r by %s.",
irc.name, username, utils.getHostmask(irc, source))
else:
irc.msg(source, 'Error: Incorrect credentials.')
u = irc.users[source]
log.warning("(%s) Failed login to %r from %s.",
irc.name, username, utils.getHostmask(irc, source))
def listcommands(irc, source, args):
"""takes no arguments.
@ -179,20 +150,6 @@ def showchan(irc, source, args):
f('\x02User list\x02: %s' % ' '.join(nicklist[:20]))
nicklist = nicklist[20:]
@utils.add_cmd
def shutdown(irc, source, args):
"""takes no arguments.
Exits PyLink by disconnecting all networks."""
utils.checkAuthenticated(irc, source, allowOper=False)
u = irc.users[source]
log.info('(%s) SHUTDOWN requested by "%s!%s@%s", exiting...', irc.name, u.nick,
u.ident, u.host)
for ircobj in world.networkobjects.values():
# Disable auto-connect first by setting the time to negative.
ircobj.serverdata['autoconnect'] = -1
ircobj.aborted.set()
@utils.add_cmd
def version(irc, source, args):
"""takes no arguments.
@ -208,113 +165,6 @@ def echo(irc, source, args):
Echoes the text given."""
irc.msg(irc.called_by, ' '.join(args))
def load(irc, source, args):
"""<plugin name>.
Loads a plugin from the plugin folder."""
utils.checkAuthenticated(irc, source, allowOper=False)
try:
name = args[0]
except IndexError:
irc.msg(irc.called_by, "Error: Not enough arguments. Needs 1: plugin name.")
return
if name in world.plugins:
irc.msg(irc.called_by, "Error: %r is already loaded." % name)
return
try:
world.plugins[name] = pl = utils.loadModuleFromFolder(name, world.plugins_folder)
except ImportError as e:
if str(e) == ('No module named %r' % name):
log.exception('Failed to load plugin %r: The plugin could not be found.', name)
else:
log.exception('Failed to load plugin %r: ImportError.', name)
raise
else:
if hasattr(pl, 'main'):
log.debug('Calling main() function of plugin %r', pl)
pl.main(irc)
irc.msg(irc.called_by, "Loaded plugin %r." % name)
utils.add_cmd(load)
def unload(irc, source, args):
"""<plugin name>.
Unloads a currently loaded plugin."""
utils.checkAuthenticated(irc, source, allowOper=False)
try:
name = args[0]
except IndexError:
irc.msg(irc.called_by, "Error: Not enough arguments. Needs 1: plugin name.")
return
if name == 'commands':
irc.msg(irc.called_by, "Error: Cannot unload the commands plugin!")
return
elif name in world.plugins:
pl = world.plugins[name]
log.debug('sys.getrefcount of plugin %s is %s', pl, sys.getrefcount(pl))
# Remove any command functions set by the plugin.
for cmdname, cmdfuncs in world.commands.copy().items():
log.debug('cmdname=%s, cmdfuncs=%s', cmdname, cmdfuncs)
for cmdfunc in cmdfuncs:
log.debug('__module__ of cmdfunc %s is %s', cmdfunc, cmdfunc.__module__)
if cmdfunc.__module__ == name:
log.debug('Removing %s from world.commands[%s]', cmdfunc, cmdname)
world.commands[cmdname].remove(cmdfunc)
# If the cmdfunc list is empty, remove it.
if not cmdfuncs:
log.debug("Removing world.commands[%s] (it's empty now)", cmdname)
del world.commands[cmdname]
# Remove any command hooks set by the plugin.
for hookname, hookfuncs in world.hooks.copy().items():
for hookfunc in hookfuncs:
if hookfunc.__module__ == name:
world.hooks[hookname].remove(hookfunc)
# If the hookfuncs list is empty, remove it.
if not hookfuncs:
del world.hooks[hookname]
# Remove whois handlers too.
for f in world.whois_handlers:
if f.__module__ == name:
world.whois_handlers.remove(f)
# Call the die() function in the plugin, if present.
if hasattr(pl, 'die'):
try:
pl.die(irc)
except: # But don't allow it to crash the server.
log.exception('(%s) Error occurred in die() of plugin %s, skipping...', irc.name, pl)
# Delete it from memory (hopefully).
del world.plugins[name]
if name in sys.modules:
del sys.modules[name]
if name in globals():
del globals()[name]
# Garbage collect.
gc.collect()
irc.msg(irc.called_by, "Unloaded plugin %r." % name)
return True # We succeeded, make it clear (this status is used by reload() below)
else:
irc.msg(irc.called_by, "Unknown plugin %r." % name)
utils.add_cmd(unload)
@utils.add_cmd
def reload(irc, source, args):
"""<plugin name>.
Loads a plugin from the plugin folder."""
try:
name = args[0]
except IndexError:
irc.msg(irc.called_by, "Error: Not enough arguments. Needs 1: plugin name.")
return
if unload(irc, source, args):
load(irc, source, args)
@utils.add_cmd
def rehash(irc, source, args):
"""takes no arguments.