Implement sessions + add basic multi-user support (#2991)

modules/utils.py

@@ -7,6 +7,14 @@ from modules import shared
 from modules.logging_colors import logger
 
 
+# Helper function to get multiple values from shared.gradio
+def gradio(*keys):
+    if len(keys) == 1 and type(keys[0]) is list:
+        keys = keys[0]
+
+    return [shared.gradio[k] for k in keys]
+
+
 def save_file(fname, contents):
     if fname == '':
         logger.error('File name is empty!')
@@ -111,3 +119,8 @@ def get_datasets(path: str, ext: str):
 
 def get_available_chat_styles():
     return sorted(set(('-'.join(k.stem.split('-')[1:]) for k in Path('css').glob('chat_style*.css'))), key=natural_keys)
+
+
+def get_available_sessions():
+    items = sorted(set(k.stem for k in Path('logs').glob(f'session_{shared.get_mode()}*')), key=natural_keys, reverse=True)
+    return [item for item in items if 'autosave' in item] + [item for item in items if 'autosave' not in item]