feat: add config metadata_created_by

modules/async_worker.py

@@ -856,6 +856,10 @@ def worker():
                     metadata |= {
                         'software': f'Fooocus v{fooocus_version.version}',
                     }
+                    if modules.config.metadata_created_by != 'None':
+                        metadata |= {
+                            'created_by': modules.config.metadata_created_by
+                        }
                     metadata_string = json.dumps(metadata, ensure_ascii=False)
                 elif save_metadata_to_images and metadata_schema == 'a1111':
                     generation_params = {
@@ -871,6 +875,11 @@ def worker():
                         "Version": f'Fooocus v{fooocus_version.version}'
                     }
 
+                    if modules.config.metadata_created_by != 'None':
+                        generation_params |= {
+                            'Created By': quote(modules.config.metadata_created_by)
+                        }
+
                     generation_params_text = ", ".join([k if k == v else f'{k}: {quote(v)}' for k, v in generation_params.items() if v is not None])
                     positive_prompt_resolved = ', '.join(task['positive'])
                     negative_prompt_resolved = ', '.join(task['negative'])

modules/config.py

@@ -325,6 +325,11 @@ default_metadata_schema = get_config_item_or_set_default(
     default_value='fooocus',
     validator=lambda x: x in [y[1] for y in modules.flags.metadata_schema if y[1] == x]
 )
+metadata_created_by = get_config_item_or_set_default(
+    key='metadata_created_by',
+    default_value='',
+    validator=lambda x: isinstance(x, str)
+)
 
 example_inpaint_prompts = [[x] for x in example_inpaint_prompts]