Files
pyfa/eos/saveddata/cargo.py

102 lines
3.2 KiB
Python

# ===============================================================================
# Copyright (C) 2010 Diego Duclos
#
# This file is part of eos.
#
# eos is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# eos is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with eos. If not, see <http://www.gnu.org/licenses/>.
# ===============================================================================
import sys
from logbook import Logger
from sqlalchemy.orm import validates, reconstructor
import eos.db
from eos.effectHandlerHelpers import HandledItem
from eos.modifiedAttributeDict import ModifiedAttributeDict, ItemAttrShortcut
pyfalog = Logger(__name__)
class Cargo(HandledItem, ItemAttrShortcut):
def __init__(self, item):
"""Initialize cargo from the program"""
self.__item = item
self.itemID = item.ID if item is not None else None
self.amount = 0
self.__itemModifiedAttributes = ModifiedAttributeDict()
self.__itemModifiedAttributes.original = item.attributes
self.__itemModifiedAttributes.overrides = item.overrides
@reconstructor
def init(self):
"""Initialize cargo from the database and validate"""
self.__item = None
if self.itemID:
self.__item = eos.db.getItem(self.itemID)
if self.__item is None:
pyfalog.error("Item (id: {0}) does not exist", self.itemID)
return
self.__itemModifiedAttributes = ModifiedAttributeDict()
self.__itemModifiedAttributes.original = self.__item.attributes
self.__itemModifiedAttributes.overrides = self.__item.overrides
@property
def itemModifiedAttributes(self):
return self.__itemModifiedAttributes
@property
def isInvalid(self):
return self.__item is None
@property
def item(self):
return self.__item
def clear(self):
self.itemModifiedAttributes.clear()
@validates("fitID", "itemID", "amount")
def validator(self, key, val):
map = {
"fitID" : lambda _val: isinstance(_val, int),
"itemID": lambda _val: isinstance(_val, int),
"amount": lambda _val: isinstance(_val, int)
}
if key == "amount" and val > sys.maxsize:
val = sys.maxsize
if not map[key](val):
raise ValueError(str(val) + " is not a valid value for " + key)
else:
return val
def __deepcopy__(self, memo):
copy = Cargo(self.item)
copy.amount = self.amount
return copy
def rebase(self, item):
amount = self.amount
Cargo.__init__(self, item)
self.amount = amount
def __repr__(self):
return "Cargo(ID={}, name={}) at {}".format(
self.item.ID, self.item.name, hex(id(self))
)