formatting

asset.py

@@ -15,6 +15,7 @@ from sql.functions import CurrentDate, CurrentTimestamp, Round, Extract
 from sql.conditionals import Case, Coalesce, NullIf
 from sql import Literal
 from .diagram import Concat2
+from .const import DEF_NONE
 
 
 digits_percent = 2
@@ -100,8 +101,8 @@ class Asset(SymbolMixin, ModelSQL, ModelView):
         string='URL',
         help='URL for data retrieval.',
         states={
-            'invisible': Eval('updturl_enable', False) == False,
-            'required': Eval('updturl_enable', False) == True,
+            'invisible': ~Eval('updturl_enable', False),
+            'required': Eval('updturl_enable', False),
         }, depends=['updturl_enable'])
     updturl_enable = fields.Function(fields.Boolean(
         string='URL required', readonly=True,
@@ -176,7 +177,7 @@ class Asset(SymbolMixin, ModelSQL, ModelView):
             query = tab_asset.select(
                     tab_asset.id,
                     tab_asset.updtsource,
-                    where=tab_asset.updtsource != None,
+                    where=tab_asset.updtsource != DEF_NONE,
                 )
             cursor.execute(*query)
             records = cursor.fetchall()
@@ -823,7 +824,7 @@ class Asset(SymbolMixin, ModelSQL, ModelView):
             ).select(
                 tab_asset.id,
                 where=Operator(field_qu, clause[2]) &
-                (field_qu != None),
+                (field_qu != DEF_NONE),
             )
 
         return [('id', 'in', query)]

const.py

@@ -0,0 +1,8 @@
+# -*- coding: utf-8 -*-
+# This file is part of the cashbook-module from m-ds.de for Tryton.
+# The COPYRIGHT file at the top level of this repository contains the
+# full copyright notices and license terms.
+
+
+DEF_TRUE = True
+DEF_NONE = None

import_wiz.py

@@ -173,7 +173,8 @@ class ImportWizard(Wizard):
                         datefmt='dd%sdd' % dec_divider,
                         colnr='2'))
 
-                if isinstance(date_val, date) and isinstance(rate_val, Decimal):
+                if isinstance(date_val, date) and isinstance(
+                        rate_val, Decimal):
                     result.append({'date': date_val, 'rate': rate_val})
 
                     # date range

onlinesource.py

@@ -86,7 +86,8 @@ class OnlineSource(ModelSQL, ModelView):
         states=STATES_WEB, depends=DEPENDS_WEB)
     rgxdecimal = fields.Selection(
         string='Decimal Separator',
-        help='Decimal separator for converting the market value into a number.',
+        help='Decimal separator for converting the market ' +
+        'value into a number.',
         selection=sel_rgxdecimal, states=STATES_WEB, depends=DEPENDS_WEB)
     rgxident = fields.Char(
         string='Identifier',