Added a generic datafield class name to all the data field modules (to be called dynamically)

Lodel/leapi/datahandlers/data_fields/bool.py

@@ -2,7 +2,7 @@
 from ..data_field import DataField
 
 
-class Bool(DataField):
+class EmDataField(DataField):
 
     help = 'A basic boolean field'
     ftype = 'bool'

Lodel/leapi/datahandlers/data_fields/datetime.py

@@ -2,7 +2,7 @@
 from ..data_field import DataField
 
 
-class Datetime(DataField):
+class EmDataField(DataField):
 
     help = 'A datetime field. Take two boolean options now_on_update and now_on_create'
 

Lodel/leapi/datahandlers/data_fields/file.py

@@ -2,7 +2,7 @@
 from ..data_field import DataField
 
 
-class File(DataField):
+class EmDataField(DataField):
 
     ## @brief a file field
     # @param upload_path str : None by default

Lodel/leapi/datahandlers/data_fields/integer.py

@@ -2,7 +2,7 @@
 from ..data_field import DataField
 
 
-class Integer(DataField):
+class EmDataField(DataField):
 
     help = 'Basic integer field'
     ftype = 'int'

Lodel/leapi/datahandlers/data_fields/text.py

@@ -2,7 +2,7 @@
 from ..data_field import DataField
 
 
-class Text(DataField):
+class EmDataField(DataField):
     help = 'A text field (big string)'
     ftype = 'text'
 

Lodel/leapi/datahandlers/data_fields/uid.py

@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
-from .integer import Integer
+from .integer import EmDataField
 
 
-class Uid(Integer):
+class EmDataField(EmDataField):
 
     help = 'Fieldtype designed to handle editorial model UID'
 

Lodel/leapi/datahandlers/field_data_handler.py

@@ -1,7 +1,29 @@
 # -*- coding: utf-8 -*-
-
+import importlib
 
 class FieldDataHandler(object):
 
+    help_text = 'Generic Field Data Handler'
+
+    ## @brief constructor
     def __init__(self):
-        pass
+        pass
+
+    ## @brief calls the data_field defined _check_data_value() method
+    # @return tuple (value, error|None)
+    def check_data_value(self, value):
+        return self._check_data_value(value)
+
+    def _check_data_value(self, value):
+        return (value, None)
+
+    ## @brief given a field type name, returns the associated python class
+    # @param fieldtype_name str : A field type name
+    # @return DataField child class
+    @staticmethod
+    def from_name(fieldtype_name):
+        mod = importlib.import_module(FieldDataHandler.module_name(fieldtype_name))
+        return mod.EmDataField
+
+    def module_name(self, fieldtype_name):
+        return 'leapi.datahandlers.data_fields.%s' % fieldtype_name