/usr/lib/python3/dist-packages/trytond/modules/stock/location.py is in tryton-modules-stock 4.6.2-1.
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, MatchMixin, ValueMixin, fields,
sequence_ordered)
from trytond import backend
from trytond.pyson import Eval, If
from trytond.transaction import Transaction
from trytond.pool import Pool, PoolMeta
from trytond.tools import grouped_slice
from trytond.tools.multivalue import migrate_property
__all__ = ['Location', 'Party', 'PartyLocation', 'ProductsByLocationsContext',
'LocationLeadTime']
STATES = {
'readonly': ~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': Eval('type') != 'warehouse',
'readonly': ~Eval('active'),
},
depends=['type', 'active'])
type = fields.Selection([
('supplier', 'Supplier'),
('customer', 'Customer'),
('lost_found', 'Lost and Found'),
('warehouse', 'Warehouse'),
('storage', 'Storage'),
('production', 'Production'),
('drop', 'Drop'),
('view', 'View'),
], 'Location type', states=STATES, depends=DEPENDS)
parent = fields.Many2One("stock.location", "Parent", select=True,
left="left", right="right",
states={
'invisible': Eval('type') == 'warehouse',
},
depends=['type'])
left = fields.Integer('Left', required=True, select=True)
right = fields.Integer('Right', required=True, select=True)
childs = fields.One2Many("stock.location", "parent", "Children")
flat_childs = fields.Boolean(
"Flat Children",
help="Check to restrict to one level of children.")
warehouse = fields.Function(fields.Many2One('stock.location', 'Warehouse'),
'get_warehouse')
input_location = fields.Many2One(
"stock.location", "Input", states={
'invisible': Eval('type') != 'warehouse',
'readonly': ~Eval('active'),
'required': 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': Eval('type') != 'warehouse',
'readonly': ~Eval('active'),
'required': 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': Eval('type') != 'warehouse',
'readonly': ~Eval('active'),
'required': Eval('type') == 'warehouse',
},
domain=[
('type', 'in', ['storage', 'view']),
['OR',
('parent', 'child_of', [Eval('id')]),
('parent', '=', None)]],
depends=['type', 'active', 'id'])
picking_location = fields.Many2One(
'stock.location', 'Picking', states={
'invisible': Eval('type') != 'warehouse',
'readonly': ~Eval('active'),
},
domain=[
('type', '=', 'storage'),
('parent', 'child_of', [Eval('storage_location', -1)]),
],
depends=['type', 'active', 'storage_location'],
help='If empty the Storage is used')
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".'),
'inactive_location_with_moves': (
"The location '%(location)s' must be empty "
"to be deactivated."),
})
parent_domain = [
['OR',
('parent.flat_childs', '=', False),
('parent', '=', None),
]
]
childs_domain = [
If(Eval('flat_childs', False),
('childs', '=', None),
()),
]
childs_mapping = cls._childs_domain()
for type_, allowed_parents in cls._parent_domain().items():
parent_domain.append(If(Eval('type') == type_,
('type', 'in', allowed_parents), ()))
childs_domain.append(If(Eval('type') == type_,
('type', 'in', childs_mapping[type_]), ()))
cls.parent.domain = parent_domain
cls.childs.domain = childs_domain
cls.childs.depends.extend(['flat_childs', 'type'])
@classmethod
def _parent_domain(cls):
'''Returns a dict with location types as keys and a list of allowed
parent location types as values'''
return {
'customer': ['customer'],
'supplier': ['supplier'],
'production': ['production'],
'lost_found': ['lost_found'],
'view': ['warehouse', 'view', 'storage'],
'storage': ['warehouse', 'view', 'storage'],
'warehouse': [''],
}
@classmethod
def _childs_domain(cls):
childs_domain = {}
for type_, allowed_parents in cls._parent_domain().items():
for parent in allowed_parents:
childs_domain.setdefault(parent, [])
childs_domain[parent].append(type_)
return childs_domain
@classmethod
def __register__(cls, module_name):
TableHandler = backend.get('TableHandler')
super(Location, cls).__register__(module_name)
table = TableHandler(cls, module_name)
table.index_action(['left', 'right'], 'add')
@classmethod
def validate(cls, locations):
super(Location, cls).validate(locations)
cls.check_recursion(locations)
inactives = []
for location in locations:
location.check_type_for_moves()
if not location.active:
inactives.append(location)
cls.check_inactive(inactives)
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:
# Use root to compute for all companies
with Transaction().set_user(0):
moves = Move.search([
['OR',
('to_location', '=', self.id),
('from_location', '=', self.id),
],
('state', 'not in', ['staging', 'draft']),
])
if moves:
self.raise_user_error(
'invalid_type_for_moves', (self.rec_name,))
@classmethod
def check_inactive(cls, locations):
"Check inactive location are empty"
assert all(not l.active for l in locations)
empty = cls.get_empty_locations(locations)
non_empty = set(locations) - set(empty)
if non_empty:
cls.raise_user_error('inactive_location_with_moves', {
'location': next(iter(non_empty)).rec_name,
})
@classmethod
def get_empty_locations(cls, locations=None):
pool = Pool()
Move = pool.get('stock.move')
if locations is None:
locations = cls.search([])
if not locations:
return []
location_ids = list(map(int, locations))
# Use root to compute for all companies
# and ensures inactive locations are in the query
with Transaction().set_user(0), \
Transaction().set_context(active_test=False):
query = Move.compute_quantities_query(
location_ids, with_childs=True)
quantities = Move.compute_quantities(
query, location_ids, with_childs=True)
empty = set(location_ids)
for (location_id, product), quantity in quantities.items():
if quantity:
empty.discard(location_id)
for sub_ids in grouped_slice(list(empty)):
sub_ids = list(sub_ids)
moves = Move.search([
('state', 'not in', ['done', 'cancel']),
['OR',
('from_location', 'in', sub_ids),
('to_location', 'in', sub_ids),
],
])
for move in moves:
for location in [move.from_location, move.to_location]:
empty.discard(location.id)
return cls.browse(empty)
@staticmethod
def default_active():
return True
@staticmethod
def default_left():
return 0
@staticmethod
def default_right():
return 0
@classmethod
def default_flat_childs(cls):
return False
@staticmethod
def default_type():
return 'storage'
@classmethod
def check_xml_record(self, records, values):
return True
def get_warehouse(self, name):
# Order by descending left to get the first one in the tree
with Transaction().set_context(active_test=False):
locations = self.search([
('parent', 'parent_of', [self.id]),
('type', '=', 'warehouse'),
], order=[('left', 'DESC')])
if locations:
return locations[0].id
@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)):
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', datetime.date.max) >
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
product_id = Transaction().context['product']
pbl = {}
for sub_locations in grouped_slice(locations):
location_ids = [l.id for l in sub_locations]
with Transaction().set_context(context):
pbl.update(Product.products_by_location(
location_ids=location_ids, product_ids=[product_id],
with_childs=True))
return dict((loc.id, pbl.get((loc.id, product_id), 0))
for loc in locations)
@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:
# Use the last cost_price of the day
context['_datetime'] = datetime.datetime.combine(
trans_context['stock_date_end'], datetime.time.max)
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()
to_save = []
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:
for child_location in to_update:
child_location.parent = location
to_save.append(child_location)
to_update.clear()
cls.save(to_save)
@classmethod
def create(cls, vlist):
locations = super(Location, cls).create(vlist)
cls._set_warehouse_parent(locations)
return locations
@classmethod
def write(cls, *args):
super(Location, cls).write(*args)
locations = sum(args[::2], [])
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 = {}
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 {}
if location.id in list(warehouse_locations.values()):
cp_warehouse = cls(
Transaction().context['cp_warehouse_id'])
for field, loc_id in warehouse_locations.items():
if loc_id == location.id:
cls.write([cp_warehouse], {
field: new_location.id,
})
res.append(new_location)
return res
supplier_location = fields.Many2One(
'stock.location', "Supplier Location", domain=[('type', '=', 'supplier')],
help='The default source location when receiving products from the party.')
customer_location = fields.Many2One(
'stock.location', "Customer Location", domain=[('type', '=', 'customer')],
help='The default destination location when sending products to the party.'
)
class Party(metaclass=PoolMeta):
__name__ = 'party.party'
supplier_location = fields.MultiValue(supplier_location)
customer_location = fields.MultiValue(customer_location)
locations = fields.One2Many(
'party.party.location', 'party', "Locations")
@classmethod
def multivalue_model(cls, field):
pool = Pool()
if field in {'supplier_location', 'customer_location'}:
return pool.get('party.party.location')
return super(Party, cls).multivalue_model(field)
@classmethod
def default_supplier_location(cls, **pattern):
return cls.multivalue_model(
'supplier_location').default_supplier_location()
@classmethod
def default_customer_location(cls, **pattern):
return cls.multivalue_model(
'customer_location').default_customer_location()
class PartyLocation(ModelSQL, ValueMixin):
"Party Location"
__name__ = 'party.party.location'
party = fields.Many2One(
'party.party', "Party", ondelete='CASCADE', select=True)
supplier_location = supplier_location
customer_location = customer_location
@classmethod
def __register__(cls, module_name):
TableHandler = backend.get('TableHandler')
exist = TableHandler.table_exist(cls._table)
super(PartyLocation, cls).__register__(module_name)
if not exist:
cls._migrate_property([], [], [])
@classmethod
def _migrate_property(cls, field_names, value_names, fields):
field_names.extend(['supplier_location', 'customer_location'])
value_names.extend(['supplier_location', 'customer_location'])
migrate_property(
'party.party', field_names, cls, value_names,
parent='party', fields=fields)
@classmethod
def default_supplier_location(cls):
pool = Pool()
ModelData = pool.get('ir.model.data')
try:
return ModelData.get_id('stock', 'location_supplier')
except KeyError:
return None
@classmethod
def default_customer_location(cls):
pool = Pool()
ModelData = pool.get('ir.model.data')
try:
return ModelData.get_id('stock', 'location_customer')
except KeyError:
return None
class ProductsByLocationsContext(ModelView):
'Products by Locations'
__name__ = 'stock.products_by_locations.context'
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.'))
stock_date_end = fields.Function(fields.Date('At Date'),
'on_change_with_stock_date_end')
@staticmethod
def default_forecast_date():
Date_ = Pool().get('ir.date')
return Date_.today()
@fields.depends('forecast_date')
def on_change_with_stock_date_end(self, name=None):
if self.forecast_date is None:
return datetime.date.max
return self.forecast_date
class LocationLeadTime(sequence_ordered(), ModelSQL, ModelView, MatchMixin):
'Location Lead Time'
__name__ = 'stock.location.lead_time'
warehouse_from = fields.Many2One('stock.location', 'Warehouse From',
ondelete='CASCADE',
domain=[
('type', '=', 'warehouse'),
])
warehouse_to = fields.Many2One('stock.location', 'Warehouse To',
ondelete='CASCADE',
domain=[
('type', '=', 'warehouse'),
])
lead_time = fields.TimeDelta('Lead Time')
@classmethod
def get_lead_time(cls, pattern):
for record in cls.search([]):
if record.match(pattern):
return record.lead_time
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