List of existting datahandlers

editorial_models/em_simple.py

@@ -272,7 +272,7 @@ article.new_field(  'author_note',
                     group = editorial_group,
                     data_handler = 'text'
 )
-# Classe Review 
+# Classe Review
 review = em.new_class( 'review',
                         display_name = 'Review',
                         group = editorial_group,
@@ -439,7 +439,7 @@ issue.new_field(    'print_pub_date',
                     },
                   data_handler = 'datetime',
                   group = editorial_group,
-)     
+)
 issue.new_field(    'e_pub_date',
                     display_name = {
                         'eng': 'Electronic publication date',
@@ -447,7 +447,7 @@ issue.new_field(    'e_pub_date',
                     },
                   data_handler = 'datetime',
                   group = editorial_group,
-)  
+)
 issue.new_field(    'abstract',
                     display_name = {
                         'eng': 'Abstract',
@@ -455,7 +455,7 @@ issue.new_field(    'abstract',
                     },
                   data_handler = 'text',
                   group = editorial_group,
-) 
+)
 issue.new_field(    'collection',
                     display_name = {
                         'eng': 'Collection',
@@ -691,7 +691,7 @@ user.new_field(
     group = user_group, data_handler = 'password', internal = False)
 
 
-#em.save('xmlfile', filename = 'examples/em_test.xml')
+em.save('xmlfile', filename = 'editorial_models/em_simple.xml')
 pickle_file = 'examples/em_simple.pickle'
 em.save('picklefile', filename = pickle_file)
 print("Output written in %s" % pickle_file)

lodel/leapi/datahandlers/base_classes.py

@@ -253,6 +253,21 @@ class DataHandler(MlNamedObject):
             raise NameError("No data handlers named '%s'" % (name,))
         return all_handlers[name]
 
+    # @brief List all datahandlers
+    # @return
+    @classmethod
+    def list_data_handlers(cls):
+        cls.load_base_handlers()
+        all_handlers = dict(cls._base_handlers, **cls.__custom_handlers)
+        list_dh = dict()
+        for hdl in all_handlers:
+            list_dh[hdl] = (display_name=hdl.display_name, \
+                            help_text=hdl.help_text, nullable=hdl.nullable, \
+                            internal=hdl.internal, immutable=hdl.immutable, \
+                            primary_key=hdl.primary_key, options=self.options_spec)
+
+        return list_dh
+
     ## @brief Return the module name to import in order to use the datahandler
     # @param data_handler_name str : Data handler name
     # @return a str