Fix flake8 errors and warnings

We add the flake8 configuration used so we ensure everyone uses the same.
We remove the usage of __all__ for non public API.
When possible, we rationalize the class name according to its __name__ and module.

issue9082
review297061002

.flake8

@@ -0,0 +1,2 @@
+[flake8]
+ignore=E123,E124,E126,E128,W503

__init__.py

@@ -2,14 +2,14 @@
 # this repository contains the full copyright notices and license terms.
 
 from trytond.pool import Pool
-from .work import *
-from .routing import *
-from .timesheet import *
+from . import work
+from . import routing
+from . import timesheet
 
 
 def register():
     Pool.register(
-        Work,
-        Operation,
-        TimesheetWork,
+        work.Work,
+        routing.Operation,
+        timesheet.Work,
         module='production_work_timesheet', type_='model')

routing.py

@@ -3,8 +3,6 @@
 from trytond.pool import PoolMeta
 from trytond.model import fields
 
-__all__ = ['Operation']
-
 
 class Operation(metaclass=PoolMeta):
     __name__ = 'production.routing.operation'

setup.py

@@ -80,8 +80,8 @@ setup(name=name,
     keywords='tryton production work timesheet',
     package_dir={'trytond.modules.production_work_timesheet': '.'},
     packages=(
-        ['trytond.modules.production_work_timesheet'] +
-        ['trytond.modules.production_work_timesheet.%s' % p
+        ['trytond.modules.production_work_timesheet']
+        + ['trytond.modules.production_work_timesheet.%s' % p
             for p in find_packages()]
         ),
     package_data={
@@ -96,7 +96,8 @@ setup(name=name,
         'Intended Audience :: Developers',
         'Intended Audience :: Financial and Insurance Industry',
         'Intended Audience :: Legal Industry',
-        'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)',
+        'License :: OSI Approved :: '
+        'GNU General Public License v3 or later (GPLv3+)',
         'Natural Language :: Bulgarian',
         'Natural Language :: Catalan',
         'Natural Language :: Czech',

tests/__init__.py

@@ -2,7 +2,7 @@
 # this repository contains the full copyright notices and license terms.
 
 try:
-    from trytond.modules.production_work_timesheet.tests.test_production_work_timesheet import suite
+    from trytond.modules.production_work_timesheet.tests.test_production_work_timesheet import suite  # noqa: E501
 except ImportError:
     from .test_production_work_timesheet import suite
 

timesheet.py

@@ -2,20 +2,18 @@
 # this repository contains the full copyright notices and license terms.
 from trytond.pool import PoolMeta, Pool
 
-__all__ = ['TimesheetWork']
 
-
-class TimesheetWork(metaclass=PoolMeta):
+class Work(metaclass=PoolMeta):
     __name__ = 'timesheet.work'
 
     @classmethod
     def _get_origin(cls):
-        return super(TimesheetWork, cls)._get_origin() + ['production.work']
+        return super()._get_origin() + ['production.work']
 
     def _validate_company(self):
         pool = Pool()
         ProductionWork = pool.get('production.work')
-        result = super(TimesheetWork, self)._validate_company()
+        result = super()._validate_company()
         if isinstance(self.origin, ProductionWork):
             result &= self.company == self.origin.company
         return result

work.py

@@ -6,8 +6,6 @@ from trytond.pool import PoolMeta, Pool
 from trytond.model import fields
 from trytond.pyson import Eval
 
-__all__ = ['Work']
-
 
 class Work(metaclass=PoolMeta):
     __name__ = 'production.work'