evennia/evennia/__init__.py

268 lines
8.3 KiB
Python

"""
Evennia MUD/MUX/MU* creation system
This is the main top-level API for Evennia. You can also explore the
evennia library by accessing evennia.<subpackage> directly.
For full functionality you need to explore this module via a django-
aware shell. Go to your game directory and use the command 'evennia.py shell'
to launch such a shell (using python or ipython depending on your install).
See www.evennia.com for full documentation.
"""
# Delayed loading of properties
# Typeclasses
DefaultPlayer = None
DefaultGuest = None
DefaultObject = None
DefaultCharacter = None
DefaultRoom = None
DefaultExit = None
DefaultChannel = None
Script = None
# Database models
ObjectDB = None
PlayerDB = None
ScriptDB = None
ChannelDB = None
Msg = None
# commands
Command = None
CmdSet = None
default_cmds = None
syscmdkeys = None
# search functions
search_object = None
search_script = None
search_player = None
search_channel = None
search_help = None
# create functions
create_object = None
create_script = None
create_player = None
create_channel = None
create_message = None
# utilities
lockfuncs = None
tickerhandler = None
logger = None
gametime = None
ansi = None
spawn = None
managers = None
import os
from subprocess import check_output, CalledProcessError, STDOUT
__version__ = "Unknown"
root = os.path.dirname(os.path.abspath(__file__))
try:
with open(os.path.join(root, "VERSION.txt"), 'r') as f:
__version__ = f.read().strip()
except IOError as err:
print err
try:
__version__ = "%s" % (check_output("git rev-parse --short HEAD", shell=True, cwd=root, stderr=STDOUT).strip())
except (IOError, CalledProcessError):
pass
def init():
"""
This is called only after Evennia has fully initialized all its models.
"""
def imp(path, variable=True):
"Helper function"
mod, fromlist = path, "None"
if variable:
mod, fromlist = path.rsplit('.', 1)
return __import__(mod, fromlist=[fromlist])
global DefaultPlayer, DefaultObject, DefaultGuest, DefaultCharacter, \
DefaultRoom, DefaultExit, DefaultChannel, Script
global ObjectDB, PlayerDB, ScriptDB, ChannelDB, Msg
global Command, CmdSet, default_cmds, syscmdkeys
global search_object, search_script, search_player, search_channel, search_help
global create_object, create_script, create_player, create_channel, create_message
global lockfuncs, tickerhandler, logger, utils, gametime, ansi, spawn, managers
from players.players import DefaultPlayer
from players.players import DefaultGuest
from objects.objects import DefaultObject
from objects.objects import DefaultCharacter
from objects.objects import DefaultRoom
from objects.objects import DefaultExit
from comms.comms import DefaultChannel
from scripts.scripts import Script
# Database models
from objects.models import ObjectDB
from players.models import PlayerDB
from scripts.models import ScriptDB
from comms.models import ChannelDB
from comms.models import Msg
# commands
from commands.command import Command
from commands.cmdset import CmdSet
# search functions
from utils.search import search_object
from utils.search import search_script
from utils.search import search_player
from utils.search import search_channel
from utils.search import search_help
# create functions
from utils.create import create_object
from utils.create import create_script
from utils.create import create_player
from utils.create import create_channel
from utils.create import create_message
# utilities
from locks import lockfuncs
from scripts.tickerhandler import TICKER_HANDLER as tickerhandler
from utils import logger
from utils import gametime
from utils import ansi
from utils.spawner import spawn
# API containers
class _EvContainer(object):
"""
Parent for other containers
"""
def _help(self):
"Returns list of contents"
names = [name for name in self.__class__.__dict__ if not name.startswith('_')]
names += [name for name in self.__dict__ if not name.startswith('_')]
print self.__doc__ + "-" * 60 + "\n" + ", ".join(names)
help = property(_help)
class DBmanagers(_EvContainer):
"""
Links to instantiated database managers.
helpentry - HelpEntry.objects
players - PlayerDB.objects
scripts - ScriptDB.objects
msgs - Msg.objects
channels - Channel.objects
objects - ObjectDB.objects
serverconfigs = ServerConfig.objects
tags - Tags.objects
attributes - Attributes.objects
"""
from help.models import HelpEntry
from players.models import PlayerDB
from scripts.models import ScriptDB
from comms.models import Msg, ChannelDB
from objects.models import ObjectDB
from server.models import ServerConfig
from typeclasses.attributes import Attribute
from typeclasses.tags import Tag
# create container's properties
helpentries = HelpEntry.objects
players = PlayerDB.objects
scripts = ScriptDB.objects
msgs = Msg.objects
channels = ChannelDB.objects
objects = ObjectDB.objects
serverconfigs = ServerConfig.objects
attributes = Attribute.objects
tags = Tag.objects
# remove these so they are not visible as properties
del HelpEntry, PlayerDB, ScriptDB, Msg, ChannelDB
#del ExternalChannelConnection
del ObjectDB, ServerConfig, Tag, Attribute
managers = DBmanagers()
del DBmanagers
class DefaultCmds(_EvContainer):
"""
This container holds direct shortcuts to all default commands in Evennia.
To access in code, do 'from evennia import default_cmds' then
access the properties on the imported default_cmds object.
"""
from commands.default.cmdset_character import CharacterCmdSet
from commands.default.cmdset_player import PlayerCmdSet
from commands.default.cmdset_unloggedin import UnloggedinCmdSet
from commands.default.cmdset_session import SessionCmdSet
from commands.default.muxcommand import MuxCommand, MuxPlayerCommand
def __init__(self):
"populate the object with commands"
def add_cmds(module):
"helper method for populating this object with cmds"
cmdlist = utils.variable_from_module(module, module.__all__)
self.__dict__.update(dict([(c.__name__, c) for c in cmdlist]))
from commands.default import (admin, batchprocess,
building, comms, general,
player, help, system, unloggedin)
add_cmds(admin)
add_cmds(building)
add_cmds(batchprocess)
add_cmds(building)
add_cmds(comms)
add_cmds(general)
add_cmds(player)
add_cmds(help)
add_cmds(system)
add_cmds(unloggedin)
default_cmds = DefaultCmds()
del DefaultCmds
class SystemCmds(_EvContainer):
"""
Creating commands with keys set to these constants will make
them system commands called as a replacement by the parser when
special situations occur. If not defined, the hard-coded
responses in the server are used.
CMD_NOINPUT - no input was given on command line
CMD_NOMATCH - no valid command key was found
CMD_MULTIMATCH - multiple command matches were found
CMD_CHANNEL - the command name is a channel name
CMD_LOGINSTART - this command will be called as the very
first command when a player connects to
the server.
To access in code, do 'from evennia import syscmdkeys' then
access the properties on the imported syscmdkeys object.
"""
from commands import cmdhandler
CMD_NOINPUT = cmdhandler.CMD_NOINPUT
CMD_NOMATCH = cmdhandler.CMD_NOMATCH
CMD_MULTIMATCH = cmdhandler.CMD_MULTIMATCH
CMD_CHANNEL = cmdhandler.CMD_CHANNEL
CMD_LOGINSTART = cmdhandler.CMD_LOGINSTART
del cmdhandler
syscmdkeys = SystemCmds()
del SystemCmds
del _EvContainer