/usr/lib/python2.7/dist-packages/trytond/modules/stock/location.py is in tryton-modules-stock 3.0.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#this repository contains the full copyright notices and license terms.
import datetime
from decimal import Decimal
from trytond.model import ModelView, ModelSQL, fields
from trytond.wizard import Wizard, StateView, Button, StateAction
from trytond import backend
from trytond.pyson import Not, Bool, Eval, Equal, PYSONEncoder, Date
from trytond.transaction import Transaction
from trytond.pool import Pool, PoolMeta
__all__ = ['Location', 'Party', 'ProductsByLocationsStart',
'ProductsByLocations']
__metaclass__ = PoolMeta
STATES = {
'readonly': Not(Bool(Eval('active'))),
}
DEPENDS = ['active']
class Location(ModelSQL, ModelView):
"Stock Location"
__name__ = 'stock.location'
name = fields.Char("Name", size=None, required=True, states=STATES,
depends=DEPENDS, translate=True)
code = fields.Char("Code", size=None, states=STATES, depends=DEPENDS,
select=True)
active = fields.Boolean('Active', select=True)
address = fields.Many2One("party.address", "Address",
states={
'invisible': Not(Equal(Eval('type'), 'warehouse')),
'readonly': Not(Bool(Eval('active'))),
},
depends=['type', 'active'])
type = fields.Selection([
('supplier', 'Supplier'),
('customer', 'Customer'),
('lost_found', 'Lost and Found'),
('warehouse', 'Warehouse'),
('storage', 'Storage'),
('production', 'Production'),
('view', 'View'),
], 'Location type', states=STATES, depends=DEPENDS)
parent = fields.Many2One("stock.location", "Parent", select=True,
left="left", right="right")
left = fields.Integer('Left', required=True, select=True)
right = fields.Integer('Right', required=True, select=True)
childs = fields.One2Many("stock.location", "parent", "Children")
input_location = fields.Many2One(
"stock.location", "Input", states={
'invisible': Not(Equal(Eval('type'), 'warehouse')),
'readonly': Not(Bool(Eval('active'))),
'required': Equal(Eval('type'), 'warehouse'),
},
domain=[
('type', '=', 'storage'),
['OR',
('parent', 'child_of', [Eval('id')]),
('parent', '=', None),
],
],
depends=['type', 'active', 'id'])
output_location = fields.Many2One(
"stock.location", "Output", states={
'invisible': Not(Equal(Eval('type'), 'warehouse')),
'readonly': Not(Bool(Eval('active'))),
'required': Equal(Eval('type'), 'warehouse'),
},
domain=[
('type', '=', 'storage'),
['OR',
('parent', 'child_of', [Eval('id')]),
('parent', '=', None)]],
depends=['type', 'active', 'id'])
storage_location = fields.Many2One(
"stock.location", "Storage", states={
'invisible': Not(Equal(Eval('type'), 'warehouse')),
'readonly': Not(Bool(Eval('active'))),
'required': Equal(Eval('type'), 'warehouse'),
},
domain=[
('type', '=', 'storage'),
['OR',
('parent', 'child_of', [Eval('id')]),
('parent', '=', None)]],
depends=['type', 'active', 'id'])
quantity = fields.Function(fields.Float('Quantity'), 'get_quantity')
forecast_quantity = fields.Function(fields.Float('Forecast Quantity'),
'get_quantity')
cost_value = fields.Function(fields.Numeric('Cost Value'),
'get_cost_value')
@classmethod
def __setup__(cls):
super(Location, cls).__setup__()
cls._order.insert(0, ('name', 'ASC'))
cls._error_messages.update({
'invalid_type_for_moves': ('Location "%s" with existing moves '
'cannot be changed to a type that does not support moves.'
),
'child_of_warehouse': ('Location "%(location)s" must be a '
'child of warehouse "%(warehouse)s".'),
})
@classmethod
def __register__(cls, module_name):
TableHandler = backend.get('TableHandler')
super(Location, cls).__register__(module_name)
cursor = Transaction().cursor
table = TableHandler(cursor, cls, module_name)
table.index_action(['left', 'right'], 'add')
@classmethod
def validate(cls, locations):
super(Location, cls).validate(locations)
cls.check_recursion(locations)
for location in locations:
location.check_type_for_moves()
def check_type_for_moves(self):
""" Check locations with moves have types compatible with moves. """
invalid_move_types = ['warehouse', 'view']
Move = Pool().get('stock.move')
if (self.type in invalid_move_types
and Move.search(['OR',
('to_location', '=', self.id),
('from_location', '=', self.id),
])):
self.raise_user_error('invalid_type_for_moves', (self.rec_name,))
@staticmethod
def default_active():
return True
@staticmethod
def default_left():
return 0
@staticmethod
def default_right():
return 0
@staticmethod
def default_type():
return 'storage'
@classmethod
def check_xml_record(self, records, values):
return True
@classmethod
def search_rec_name(cls, name, clause):
locations = cls.search([
('code', '=', clause[2]),
], order=[])
if locations:
return [('id', 'in', [l.id for l in locations])]
return [(cls._rec_name,) + tuple(clause[1:])]
@classmethod
def get_quantity(cls, locations, name):
pool = Pool()
Product = pool.get('product.product')
Date_ = pool.get('ir.date')
if (not Transaction().context.get('product')) \
or not (isinstance(Transaction().context['product'],
(int, long))):
return dict([(l.id, 0) for l in locations])
with Transaction().set_context(active_test=False):
if not Product.search([
('id', '=', Transaction().context['product']),
]):
return dict([(l.id, 0) for l in locations])
context = {}
if (name == 'quantity'
and Transaction().context.get('stock_date_end') >
Date_.today()):
context['stock_date_end'] = Date_.today()
if name == 'forecast_quantity':
context['forecast'] = True
if not Transaction().context.get('stock_date_end'):
context['stock_date_end'] = datetime.date.max
location_ids = [l.id for l in locations]
product_id = Transaction().context['product']
with Transaction().set_context(context):
pbl = Product.products_by_location(location_ids=location_ids,
product_ids=[product_id], with_childs=True)
return dict((loc, pbl.get((loc, product_id), 0))
for loc in location_ids)
@classmethod
def get_cost_value(cls, locations, name):
Product = Pool().get('product.product')
trans_context = Transaction().context
product_id = trans_context.get('product')
if not product_id:
return dict((l.id, None) for l in locations)
cost_values, context = {}, {}
if 'stock_date_end' in trans_context:
context['_datetime'] = trans_context['stock_date_end']
with Transaction().set_context(context):
product = Product(product_id)
for location in locations:
# The date could be before the product creation
if not isinstance(product.cost_price, Decimal):
cost_values[location.id] = None
else:
cost_values[location.id] = (Decimal(str(location.quantity))
* product.cost_price)
return cost_values
@classmethod
def _set_warehouse_parent(cls, locations):
'''
Set the parent of child location of warehouse if not set
'''
to_update = set()
for location in locations:
if location.type == 'warehouse':
if not location.input_location.parent:
to_update.add(location.input_location)
if not location.output_location.parent:
to_update.add(location.output_location)
if not location.storage_location.parent:
to_update.add(location.storage_location)
if to_update:
cls.write(list(to_update), {
'parent': location.id,
})
to_update.clear()
@classmethod
def create(cls, vlist):
locations = super(Location, cls).create(vlist)
cls._set_warehouse_parent(locations)
return locations
@classmethod
def write(cls, locations, vals):
super(Location, cls).write(locations, vals)
cls._set_warehouse_parent(locations)
ids = [l.id for l in locations]
warehouses = cls.search([
('type', '=', 'warehouse'),
['OR',
('storage_location', 'in', ids),
('input_location', 'in', ids),
('output_location', 'in', ids),
]])
fields = ('storage_location', 'input_location', 'output_location')
wh2childs = {}
for warehouse in warehouses:
in_out_sto = (getattr(warehouse, f).id for f in fields)
for location in locations:
if location.id not in in_out_sto:
continue
childs = wh2childs.setdefault(warehouse.id, cls.search([
('parent', 'child_of', warehouse.id),
]))
if location not in childs:
cls.raise_user_error('child_of_warehouse', {
'location': location.rec_name,
'warehouse': warehouse.rec_name,
})
@classmethod
def copy(cls, locations, default=None):
if default is None:
default = {}
default['left'] = 0
default['right'] = 0
res = []
for location in locations:
if location.type == 'warehouse':
wh_default = default.copy()
wh_default['type'] = 'view'
wh_default['input_location'] = None
wh_default['output_location'] = None
wh_default['storage_location'] = None
wh_default['childs'] = None
new_location, = super(Location, cls).copy([location],
default=wh_default)
with Transaction().set_context(
cp_warehouse_locations={
'input_location': location.input_location.id,
'output_location': location.output_location.id,
'storage_location': location.storage_location.id,
},
cp_warehouse_id=new_location.id):
cls.copy(location.childs,
default={'parent': new_location.id})
cls.write([new_location], {
'type': 'warehouse',
})
else:
new_location, = super(Location, cls).copy([location],
default=default)
warehouse_locations = Transaction().context.get(
'cp_warehouse_locations') or {}
cp_warehouse = cls(Transaction().context['cp_warehouse_id'])
if location.id in warehouse_locations.values():
for field, loc_id in warehouse_locations.iteritems():
if loc_id == location.id:
cls.write([cp_warehouse], {
field: new_location.id,
})
res.append(new_location)
return res
class Party:
__name__ = 'party.party'
supplier_location = fields.Property(fields.Many2One('stock.location',
'Supplier Location', domain=[('type', '=', 'supplier')],
help='The default source location when receiving products from the '
'party.'))
customer_location = fields.Property(fields.Many2One('stock.location',
'Customer Location', domain=[('type', '=', 'customer')],
help='The default destination location when sending products to the '
'party.'))
class ProductsByLocationsStart(ModelView):
'Products by Locations'
__name__ = 'stock.products_by_locations.start'
forecast_date = fields.Date(
'At Date', help=('Allow to compute expected '
'stock quantities for this date.\n'
'* An empty value is an infinite date in the future.\n'
'* A date in the past will provide historical values.'))
@staticmethod
def default_forecast_date():
Date_ = Pool().get('ir.date')
return Date_.today()
class ProductsByLocations(Wizard):
'Products by Locations'
__name__ = 'stock.products_by_locations'
start = StateView('stock.products_by_locations.start',
'stock.products_by_locations_start_view_form', [
Button('Cancel', 'end', 'tryton-cancel'),
Button('Open', 'open', 'tryton-ok', True),
])
open = StateAction('stock.act_products_by_locations')
def do_open(self, action):
pool = Pool()
Location = pool.get('stock.location')
Lang = pool.get('ir.lang')
context = {}
context['locations'] = Transaction().context.get('active_ids')
date = self.start.forecast_date or datetime.date.max
context['stock_date_end'] = Date(date.year, date.month, date.day)
action['pyson_context'] = PYSONEncoder().encode(context)
locations = Location.browse(context['locations'])
for code in [Transaction().language, 'en_US']:
langs = Lang.search([
('code', '=', code),
])
if langs:
break
lang = langs[0]
date = Lang.strftime(date, lang.code, lang.date)
action['name'] += ' - (%s) @ %s' % (
','.join(l.name for l in locations), date)
return action, {}
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