evennia/evennia/trunk/functions_db.py

122 lines
3.8 KiB
Python

import sets
from django.contrib.auth.models import User
from apps.objects.models import Object
def get_nextfree_dbnum():
"""
Figure out what our next free database reference number is.
"""
# First we'll see if there's an object of type 5 (GARBAGE) that we
# can recycle.
nextfree = Object.objects.filter(type__exact=5)
if nextfree:
# We've got at least one garbage object to recycle.
#return nextfree.id
return nextfree[0].id
else:
# No garbage to recycle, find the highest dbnum and increment it
# for our next free.
return Object.objects.order_by('-id')[0].id + 1
def list_search_object_namestr(searchlist, ostring, dbref_only=False):
"""
Iterates through a list of objects and returns a list of
name matches.
"""
if dbref_only:
return [prospect for prospect in searchlist if prospect.dbref_match(ostring)]
else:
return [prospect for prospect in searchlist if prospect.name_match(ostring)]
def local_and_global_search(object, ostring, local_only=False):
"""
Searches an object's location then globally for a dbref or name match.
local_only: Only compare the objects in the player's location if True.
"""
search_query = ''.join(ostring)
if is_dbref(ostring) and not local_only:
search_num = search_query[1:]
dbref_match = list(Object.objects.filter(id=search_num))
if len(dbref_match) > 0:
return dbref_match
local_matches = list_search_object_namestr(object.location.get_contents(), search_query)
# If the object the invoker is in matches, add it as well.
if object.location.dbref_match(ostring) or ostring == 'here':
local_matches.append(object.location)
return local_matches
def is_dbref(dbstring):
"""
Is the input a well-formed dbref number?
"""
try:
number = int(dbstring[1:])
except ValueError:
return False
if dbstring[0] != '#':
return False
elif number < 1:
return False
else:
return True
def session_from_object(session_list, targobject):
"""
Return the session object given a object (if there is one open).
"""
results = [prospect for prospect in session_list if prospect.pobject == targobject]
if results:
return results[0]
else:
return False
def session_from_dbref(session_list, dbstring):
"""
Return the session object given a dbref (if there is one open).
"""
if is_dbref(dbstring):
results = [prospect for prospect in session_list if prospect.pobject.dbref_match(dbstring)]
if results:
return results[0]
else:
return False
def get_object_from_dbref(server, dbref):
"""
Returns an object when given a dbref.
"""
return server.object_list.get(dbref, False)
def create_user(cdat, uname, email, password):
"""
Handles the creation of new users.
"""
session = cdat['session']
server = cdat['server']
start_room = int(server.get_configvalue('player_dbnum_start'))
start_room_obj = get_object_from_dbref(server, start_room)
# The user's entry in the User table must match up to an object
# on the object table. The id's are the same, we need to figure out
# the next free unique ID to use and make sure the two entries are
# the same number.
uid = get_nextfree_dbnum()
user = User.objects.create_user(uname, email, password)
# It stinks to have to do this but it's the only trivial way now.
user.id = uid
user.save
# Create a player object of the same ID in the Objects table.
user_object = Object(id=uid, type=1, name=uname, location=start_room_obj)
user_object.save()
server.add_object_to_cache(user_object)
# Activate the player's session and set them loose.
session.login(user)
print 'Registration: %s' % (session,)
session.push("Welcome to %s, %s.\n\r" % (server.get_configvalue('site_name'), session.name,))