/usr/lib/python3/dist-packages/trytond/modules/production_work/work.py is in tryton-modules-production-work 4.6.0-1.
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
import random
from decimal import Decimal
from functools import wraps
from trytond.model import ModelSQL, ModelView, Workflow, fields, \
sequence_ordered
from trytond.pool import Pool
from trytond.pyson import Eval, If, Bool
from trytond.transaction import Transaction
from trytond.modules.product import price_digits
__all__ = ['WorkCenterCategory', 'WorkCenter', 'Work', 'WorkCycle']
SEPARATOR = ' / '
class WorkCenterCategory(ModelSQL, ModelView):
'Work Center Category'
__name__ = 'production.work.center.category'
name = fields.Char('Name', required=True, translate=True)
class WorkCenter(ModelSQL, ModelView):
'Work Center'
__name__ = 'production.work.center'
name = fields.Char('Name', required=True, translate=True)
parent = fields.Many2One('production.work.center', 'Parent', select=True,
domain=[
('company', '=', Eval('company', -1)),
('warehouse', '=', Eval('warehouse', -1)),
],
depends=['company', 'warehouse'])
children = fields.One2Many('production.work.center', 'parent', 'Children',
domain=[
('company', '=', Eval('company', -1)),
('warehouse', '=', Eval('warehouse', -1)),
],
depends=['company', 'warehouse'])
category = fields.Many2One('production.work.center.category', 'Category')
cost_price = fields.Numeric('Cost Price', digits=price_digits,
states={
'required': Bool(Eval('cost_method')),
},
depends=['cost_method'])
cost_method = fields.Selection([
('', ''),
('cycle', 'Per Cycle'),
('hour', 'Per Hour'),
], 'Cost Method',
states={
'required': Bool(Eval('cost_price')),
},
depends=['cost_price'])
active = fields.Boolean('Active')
company = fields.Many2One('company.company', 'Company', required=True,
select=True)
warehouse = fields.Many2One('stock.location', 'Warehouse', required=True,
domain=[
('type', '=', 'warehouse'),
])
@classmethod
def __setup__(cls):
super(WorkCenter, cls).__setup__()
cls._error_messages.update({
'wrong_name': ('Invalid work center name "%%s": '
'You can not use "%s" in name field.' % SEPARATOR),
'missing_work_center': ('Could not find a work center '
'of category "%(category)s" under "%(parent)s".'),
})
cls._order.insert(0, ('name', 'ASC'))
@classmethod
def default_active(cls):
return True
@classmethod
def default_company(cls):
return Transaction().context.get('company')
@classmethod
def default_warehouse(cls):
Location = Pool().get('stock.location')
locations = Location.search(cls.warehouse.domain)
if len(locations) == 1:
return locations[0].id
@classmethod
def validate(cls, centers):
super(WorkCenter, cls).validate(centers)
for center in centers:
center.check_name()
def check_name(self):
if SEPARATOR in self.name:
self.raise_user_error('wrong_name', (self.name,))
def get_rec_name(self, name):
if self.parent:
return self.parent.get_rec_name(name) + SEPARATOR + self.name
return self.name
@classmethod
def search_rec_name(cls, name, clause):
return [('name',) + tuple(clause[1:])]
@classmethod
def get_picker(cls):
"""Return a method that picks a work center
for the category and the parent"""
cache = {}
def picker(parent, category):
key = (parent, category)
if key not in cache:
work_centers = cls.search([
('parent', 'child_of', [parent.id]),
('category', '=', category.id),
])
if not work_centers:
cls.raise_user_error('missing_work_center', {
'category': category.rec_name,
'parent': parent.rec_name,
})
cache[key] = work_centers
return random.choice(cache[key])
return picker
class Work(sequence_ordered(), ModelSQL, ModelView):
'Production Work'
__name__ = 'production.work'
operation = fields.Many2One('production.routing.operation', 'Operation',
required=True)
production = fields.Many2One('production', 'Production', required=True,
select=True, ondelete='CASCADE',
domain=[
('company', '=', Eval('company', -1)),
],
depends=['company'])
work_center_category = fields.Function(fields.Many2One(
'production.work.center.category', 'Work Center Category'),
'on_change_with_work_center_category')
work_center = fields.Many2One('production.work.center', 'Work Center',
required=True,
domain=[
If(~Eval('work_center_category'),
(),
('category', '=', Eval('work_center_category'))),
('company', '=', Eval('company', -1)),
('warehouse', '=', Eval('warehouse', -1)),
],
depends=['work_center_category', 'company', 'warehouse'])
cycles = fields.One2Many('production.work.cycle', 'work', 'Cycles',
states={
'readonly': Eval('state').in_(['request', 'done']),
},
depends=['state'])
company = fields.Many2One('company.company', 'Company', required=True,
select=True)
warehouse = fields.Function(fields.Many2One('stock.location', 'Warehouse'),
'on_change_with_warehouse')
state = fields.Selection([
('request', 'Request'),
('draft', 'Draft'),
('waiting', 'Waiting'),
('running', 'Running'),
('finished', 'Finished'),
('done', 'Done'),
], 'State', select=True, readonly=True)
@classmethod
def __setup__(cls):
super(Work, cls).__setup__()
cls._error_messages.update({
'delete_request': ('Work "%s" can not be deleted '
'as it is not in state "request"'),
})
@fields.depends('operation')
def on_change_with_work_center_category(self, name=None):
if self.operation and self.operation.work_center_category:
return self.operation.work_center_category.id
@classmethod
def default_company(cls):
return Transaction().context.get('company')
@fields.depends('production')
def on_change_with_warehouse(self, name=None):
if self.production:
return self.production.warehouse.id
@classmethod
def default_state(cls):
return 'request'
@property
def _state(self):
if self.production.state == 'waiting':
return 'request'
elif self.production.state == 'done':
return 'done'
elif (not self.cycles
or all(c.state == 'cancelled' for c in self.cycles)):
return 'draft'
elif all(c.state in ['done', 'cancelled'] for c in self.cycles):
return 'finished'
elif any(c.state == 'running' for c in self.cycles):
return 'running'
else:
return 'waiting'
@classmethod
def set_state(cls, works):
for work in works:
work.state = work._state
cls.save(works)
def get_rec_name(self, name):
return '%s @ %s' % (self.operation.rec_name, self.production.rec_name)
@classmethod
def search_rec_name(cls, name, clause):
if clause[1].startswith('!') or clause[1].startswith('not '):
bool_op = 'AND'
else:
bool_op = 'OR'
return [bool_op,
('operation.rec_name',) + tuple(clause[1:]),
('production.rec_name',) + tuple(clause[1:]),
]
@classmethod
def create(cls, values):
works = super(Work, cls).create(values)
cls.set_state(works)
return works
@classmethod
def delete(cls, works):
for work in works:
if work.state not in {'request', 'draft'}:
cls.raise_user_error('delete_request', work.rec_name)
super(Work, cls).delete(works)
def set_work_state(func):
@wraps(func)
def wrapper(cls, cycles):
pool = Pool()
Work = pool.get('production.work')
func(cls, cycles)
Work.set_state(Work.browse({c.work.id for c in cycles}))
return wrapper
class WorkCycle(Workflow, ModelSQL, ModelView):
'Work Cycle'
__name__ = 'production.work.cycle'
work = fields.Many2One('production.work', 'Work', required=True,
ondelete='CASCADE', select=True)
duration = fields.TimeDelta('Duration',
states={
'required': Eval('state') == 'done',
'readonly': Eval('state').in_(['done', 'draft', 'cancelled']),
},
depends=['state'])
cost = fields.Numeric('Cost', digits=price_digits, readonly=True)
state = fields.Selection([
('draft', 'Draft'),
('running', 'Running'),
('done', 'Done'),
('cancelled', 'Cancelled'),
], 'State', required=True, readonly=True)
@classmethod
def __setup__(cls):
super(WorkCycle, cls).__setup__()
cls._transitions |= set((
('draft', 'running'),
('running', 'done'),
('draft', 'cancelled'),
('running', 'cancelled'),
))
cls._buttons.update({
'cancel': {
'invisible': Eval('state').in_(['done', 'cancelled']),
},
'run': {
'invisible': Eval('state') != 'draft',
},
'do': {
'invisible': Eval('state') != 'running',
},
})
@classmethod
def default_state(cls):
return 'draft'
@classmethod
@ModelView.button
@set_work_state
@Workflow.transition('cancelled')
def cancel(cls, cycles):
pass
@classmethod
@ModelView.button
@set_work_state
@Workflow.transition('running')
def run(cls, cycles):
pass
@classmethod
@ModelView.button
@set_work_state
@Workflow.transition('done')
def do(cls, cycles):
now = datetime.datetime.now()
for cycle in cycles:
cycle.set_duration(now)
cycle.set_cost()
cls.save(cycles)
def set_duration(self, now):
if self.duration is None:
self.duration = now - self.write_date
def set_cost(self):
if self.cost is None:
center = self.work.work_center
if center.cost_method == 'cycle':
self.cost = center.cost_price
elif center.cost_method == 'hour':
digits = self.__class__.cost.digits
hours = self.duration.total_seconds() / (60 * 60)
self.cost = center.cost_price * Decimal(str(hours))
self.cost = self.cost.quantize(Decimal(str(10 ** -digits[1])))
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