Model can use post_init method too

Author: phenobarbital

datamodel/models.py

@@ -65,3 +65,9 @@ class Model(ModelMixin, metaclass=ModelMeta):
     Basic dataclass-based Model.
     """
     Meta = Meta
+
+    def __post_init__(self) -> None:
+        """
+        Post init method.
+        Useful for making Post-validations of Model.
+        """

datamodel/version.py

@@ -3,7 +3,7 @@
 __title__ = 'python-datamodel'
 __description__ = ('simple library based on python +3.8 to use Dataclass-syntax'
                    'for interacting with Data')
-__version__ = '0.3.10'
+__version__ = '0.3.11'
 __author__ = 'Jesus Lara'
 __author_email__ = '[email protected]'
 __license__ = 'BSD'

examples/test_factory.py

@@ -0,0 +1,24 @@
+from dataclasses import is_dataclass
+from datetime import datetime, date
+from datamodel import Model, Field
+
+
+def now():
+    return datetime.now()
+
+class Environment(Model):
+    time: datetime = Field(factory=now)
+    dow: int
+    hour: int
+    date: date
+
+    def __post_init__(self):
+        self.hour = self.time.hour
+        self.dow = self.time.weekday()
+        self.date = self.time.date
+        super(Environment, self).__post_init__()
+
+
+env = Environment()
+print(env)
+print(is_dataclass(env))