default value setter

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = yamlhttpforms
-version = 0.0.6
+version = 0.0.7
 author = Daniil F.
 author_email = mail@placeholder123.to
 description = HTTP forms defined in YAML

src/yamlhttpforms/form.py

@@ -17,21 +17,7 @@ OptionsT = Dict[str, str]
 class FormField:
     def __init__(self, name: str, default: DefaultInitT = None, options: OptionsT = None, required: bool = False):
         self.name: str = name
-        self._default: Union[str, CallableDefaultT, None]
-        if isinstance(default, dict):
-            try:
-                module, function = default['module'], default['function']
-            except KeyError:
-                raise TypeError(f"Default for field '{name}' is invalid. The default must be either a string or a "
-                                f"dictionary with the special keys 'module' and 'function'.")
-            obj = import_module(module)
-            for attr in function.split('.'):
-                obj = getattr(obj, attr)
-            self._default = obj
-        elif default is None:
-            self._default = None
-        else:
-            self._default = str(default)
+        self.default = default
         self.options: Optional[OptionsT] = None
         if options is not None:
             self.options = {str(k): str(v) for k, v in options.items()}
@@ -55,6 +41,23 @@ class FormField:
     def default(self) -> Optional[str]:
         return self._default() if callable(self._default) else self._default
 
+    @default.setter
+    def default(self, default: DefaultInitT) -> None:
+        if isinstance(default, dict):
+            try:
+                module, function = default['module'], default['function']
+            except KeyError:
+                raise TypeError(f"Default for field '{self.name}' is invalid. The default must be either a string or "
+                                f"`None` or a dictionary with the special keys 'module' and 'function'.")
+            obj = import_module(module)
+            for attr in function.split('.'):
+                obj = getattr(obj, attr)
+            self._default = obj
+        elif default is None:
+            self._default = None
+        else:
+            self._default = str(default)
+
     def valid_option(self, option: str) -> bool:
         return self.options is None or option in self.options.keys() or option in self.options.values()