Files
pyfa/eos/db/util.py
2014-07-30 21:23:27 -04:00

69 lines
2.2 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/>.
#===============================================================================
from sqlalchemy.orm import eagerload
from sqlalchemy.sql import and_
replace = {"attributes": "_Item__attributes",
"modules": "_Fit__modules",
"projectedModules": "_Fit__projectedModules",
"boosters": "_Fit__boosters",
"drones": "_Fit__drones",
"projectedDrones": "_Fit__projectedDrones",
"implants": "_Fit__implants",
"character": "_Fit__character",
"damagePattern": "_Fit__damagePattern",
"projectedFits": "_Fit__projectedFits"}
def processEager(eager):
if eager == None:
return tuple()
else:
l = []
if isinstance(eager, basestring):
eager = (eager,)
for e in eager:
l.append(eagerload(_replacements(e)))
return l
def _replacements(eagerString):
splitEager = eagerString.split(".")
for i in xrange(len(splitEager)):
part = splitEager[i]
replacement = replace.get(part)
if replacement:
splitEager[i] = replacement
return ".".join(splitEager)
def processWhere(clause, where):
if where is not None:
if not hasattr(where, "__iter__"):
where = (where,)
try:
for extraClause in where:
clause = and_(clause, extraClause)
except NotImplementedError:
clause = and_(clause, where)
return clause