Restore assignation of string and integer value for Date, DateTime, Time and Timedelta fields

Closes #13873
(grafted from d85a062b9a32e4c8770791bd18e6df2d4ca28ae8)

--HG--
branch : 7.0

trytond/trytond/model/fields/date.py

@@ -50,6 +50,11 @@ class Date(Field):
             expression = AtTimeZone(expression, timezone)
         return super(Date, self).sql_cast(expression)
 
+    def __set__(self, inst, value):
+        if isinstance(value, str):
+            value = datetime.date.fromisoformat(value)
+        super().__set__(inst, value)
+
 
 class FormatMixin(Field):
 
@@ -93,6 +98,11 @@ class Timestamp(FormatMixin, Field):
             return SQLite_DateTime(expression)
         return super().sql_cast(expression)
 
+    def __set__(self, inst, value):
+        if isinstance(value, str):
+            value = datetime.datetime.fromisoformat(value)
+        super().__set__(inst, value)
+
 
 class DateTime(Timestamp):
     '''
@@ -157,6 +167,11 @@ class Time(FormatMixin, Field):
             return SQLite_Time(expression)
         return super(Time, self).sql_cast(expression)
 
+    def __set__(self, inst, value):
+        if isinstance(value, str):
+            value = datetime.time.fromisoformat(value)
+        super().__set__(inst, value)
+
 
 class TimeDelta(Field):
     '''
@@ -184,14 +199,20 @@ class TimeDelta(Field):
         if isinstance(value, (int, float)):
             value = datetime.timedelta(seconds=value)
         elif isinstance(value, str):
-            if not value.find(':'):
-                raise ValueError(
-                    "TimeDelta requires a string '%H:%M:%S.%f' or '%H:%M'")
             hours, minutes, seconds = (value.split(":") + ['00'])[:3]
             value = datetime.timedelta(
                 hours=int(hours), minutes=int(minutes), seconds=float(seconds))
         return super().sql_format(value)
 
+    def __set__(self, inst, value):
+        if isinstance(value, (int, float)):
+            value = datetime.timedelta(seconds=value)
+        elif isinstance(value, str):
+            hours, minutes, seconds = (value.split(":") + ['00'])[:3]
+            value = datetime.timedelta(
+                hours=int(hours), minutes=int(minutes), seconds=float(seconds))
+        super().__set__(inst, value)
+
     @classmethod
     def get(cls, ids, model, name, values=None):
         result = {}

trytond/trytond/tests/test_field_date.py

@@ -25,6 +25,17 @@ class FieldDateTestCase(unittest.TestCase):
     def setUpClass(cls):
         activate_module('tests')
 
+    @with_transaction()
+    def test_set_string(self):
+        "Test set string"
+        pool = Pool()
+        Model = pool.get('test.date')
+
+        record = Model()
+        record.date = str(today)
+
+        self.assertEqual(record.date, today)
+
     @with_transaction()
     def test_create(self):
         "Test create date"

trytond/trytond/tests/test_field_datetime.py

@@ -23,6 +23,17 @@ class FieldDateTimeTestCase(unittest.TestCase):
     def setUpClass(cls):
         activate_module('tests')
 
+    @with_transaction()
+    def test_set_string(self):
+        "Test set string"
+        pool = Pool()
+        Model = pool.get('test.datetime')
+
+        record = Model()
+        record.datetime = str(today)
+
+        self.assertEqual(record.datetime, today)
+
     @with_transaction()
     def test_create(self):
         "Test create datetime"

trytond/trytond/tests/test_field_time.py

@@ -23,6 +23,17 @@ class FieldTimeTestCase(unittest.TestCase):
     def setUpClass(cls):
         activate_module('tests')
 
+    @with_transaction()
+    def test_set_string(self):
+        "Test set string"
+        pool = Pool()
+        Model = pool.get('test.time')
+
+        record = Model()
+        record.time = str(evening)
+
+        self.assertEqual(record.time, evening)
+
     @with_transaction()
     def test_create(self):
         "Test create time"

trytond/trytond/tests/test_field_timedelta.py

@@ -20,6 +20,30 @@ class FieldTimeDeltaTestCase(unittest.TestCase):
     def setUpClass(cls):
         activate_module('tests')
 
+    @with_transaction()
+    def test_set_string(self):
+        "Test set string"
+        pool = Pool()
+        Model = pool.get('test.timedelta')
+
+        record = Model()
+        record.timedelta = '1:20:30.5'
+
+        self.assertEqual(
+            record.timedelta,
+            datetime.timedelta(hours=1, minutes=20, seconds=30.5))
+
+    @with_transaction()
+    def test_set_integer(self):
+        "Test set integer"
+        pool = Pool()
+        Model = pool.get('test.timedelta')
+
+        record = Model()
+        record.timedelta = 42
+
+        self.assertEqual(record.timedelta, datetime.timedelta(seconds=42))
+
     @with_transaction()
     def test_create(self):
         "Test create timedelta"