Add send dummy message/reply buttons

Useful for starting a new reply.

modules/chat.py

@@ -171,7 +171,7 @@ def chatbot_wrapper(text, state, regenerate=False, _continue=False):
                     shared.history['visible'].append(['', ''])
 
             if _continue:
-                sep = list(map(lambda x: ' ' if x[-1] != ' ' else '', last_reply))
+                sep = list(map(lambda x: ' ' if len(x) > 0 and x[-1] != ' ' else '', last_reply))
                 shared.history['internal'][-1] = [text, f'{last_reply[0]}{sep[0]}{reply}']
                 shared.history['visible'][-1] = [visible_text, f'{last_reply[1]}{sep[1]}{visible_reply}']
             else:
@@ -267,6 +267,21 @@ def replace_last_reply(text, name1, name2, mode):
     return chat_html_wrapper(shared.history['visible'], name1, name2, mode)
 
 
+def send_dummy_message(text, name1, name2, mode):
+    shared.history['visible'].append([text, ''])
+    shared.history['internal'].append([apply_extensions(text, "input"), ''])
+    return chat_html_wrapper(shared.history['visible'], name1, name2, mode)
+
+
+def send_dummy_reply(text, name1, name2, mode):
+    if len(shared.history['visible']) > 0 and not shared.history['visible'][-1][1] == '':
+        shared.history['visible'].append(['', ''])
+        shared.history['internal'].append(['', ''])
+    shared.history['visible'][-1][1] = text
+    shared.history['internal'][-1][1] = apply_extensions(text, "input")
+    return chat_html_wrapper(shared.history['visible'], name1, name2, mode)
+
+
 def clear_html():
     return chat_html_wrapper([], "", "")
 

server.py

@@ -399,13 +399,15 @@ def create_interface():
                     shared.gradio['Continue'] = gr.Button('Continue')
                     shared.gradio['Impersonate'] = gr.Button('Impersonate')
                 with gr.Row():
-                    shared.gradio['Copy last reply'] = gr.Button('Copy last reply')
+                    shared.gradio['Send dummy message'] = gr.Button('Send dummy message')
+                    shared.gradio['Send dummy reply'] = gr.Button('Send dummy reply')
                     shared.gradio['Replace last reply'] = gr.Button('Replace last reply')
-                    shared.gradio['Remove last'] = gr.Button('Remove last')
-
+                    shared.gradio['Copy last reply'] = gr.Button('Copy last reply')
+                with gr.Row():
                     shared.gradio['Clear history'] = gr.Button('Clear history')
                     shared.gradio['Clear history-confirm'] = gr.Button('Confirm', variant="stop", visible=False)
                     shared.gradio['Clear history-cancel'] = gr.Button('Cancel', visible=False)
+                    shared.gradio['Remove last'] = gr.Button('Remove last')
 
                 shared.gradio["mode"] = gr.Radio(choices=["cai-chat", "chat", "instruct"], value="cai-chat", label="Mode")
                 shared.gradio["Instruction templates"] = gr.Dropdown(choices=get_available_instruction_templates(), label="Instruction template", value="None", visible=False, info="Change this according to the model/LoRA that you are using.")
@@ -502,6 +504,16 @@ def create_interface():
                 lambda x: '', shared.gradio['textbox'], shared.gradio['textbox'], show_progress=False).then(
                 chat.save_history, shared.gradio['mode'], None, show_progress=False)
 
+            shared.gradio['Send dummy message'].click(
+                chat.send_dummy_message, [shared.gradio[k] for k in ['textbox', 'name1', 'name2', 'mode']], shared.gradio['display'], show_progress=shared.args.no_stream).then(
+                lambda x: '', shared.gradio['textbox'], shared.gradio['textbox'], show_progress=False).then(
+                chat.save_history, shared.gradio['mode'], None, show_progress=False)
+
+            shared.gradio['Send dummy reply'].click(
+                chat.send_dummy_reply, [shared.gradio[k] for k in ['textbox', 'name1', 'name2', 'mode']], shared.gradio['display'], show_progress=shared.args.no_stream).then(
+                lambda x: '', shared.gradio['textbox'], shared.gradio['textbox'], show_progress=False).then(
+                chat.save_history, shared.gradio['mode'], None, show_progress=False)
+
             shared.gradio['Clear history-confirm'].click(
                 lambda: [gr.update(visible=False), gr.update(visible=True), gr.update(visible=False)], None, clear_arr).then(
                 chat.clear_chat_log, [shared.gradio[k] for k in ['name1', 'name2', 'greeting', 'mode']], shared.gradio['display']).then(