multi users support

modules/call_queue.py

@@ -4,6 +4,7 @@ import threading
 import traceback
 import time
 
+import gradio as gr
 from modules import shared, progress
 
 queue_lock = threading.Lock()
@@ -20,40 +21,44 @@ def wrap_queued_call(func):
 
 
 def wrap_gradio_gpu_call(func, extra_outputs=None):
-    def f(*args, **kwargs):
+    def f(request: gr.Request, *args, **kwargs):
+        user = request.username
 
         # if the first argument is a string that says "task(...)", it is treated as a job id
         if len(args) > 0 and type(args[0]) == str and args[0][0:5] == "task(" and args[0][-1] == ")":
             id_task = args[0]
-            progress.add_task_to_queue(id_task)
+            progress.add_task_to_queue(user, id_task)
         else:
             id_task = None
 
         with queue_lock:
             shared.state.begin()
-            progress.start_task(id_task)
+            progress.start_task(user, id_task)
 
             try:
                 res = func(*args, **kwargs)
             finally:
-                progress.finish_task(id_task)
-                progress.set_last_task_result(id_task, res)
+                progress.finish_task(user, id_task)
+                progress.set_last_task_result(user, id_task, res)
 
             shared.state.end()
 
         return res
 
-    return wrap_gradio_call(f, extra_outputs=extra_outputs, add_stats=True)
+    return wrap_gradio_call(f, extra_outputs=extra_outputs, add_stats=True, add_request=True)
 
 
-def wrap_gradio_call(func, extra_outputs=None, add_stats=False):
-    def f(*args, extra_outputs_array=extra_outputs, **kwargs):
+def wrap_gradio_call(func, extra_outputs=None, add_stats=False, add_request=False):
+    def f(request: gr.Request, *args, extra_outputs_array=extra_outputs, **kwargs):
         run_memmon = shared.opts.memmon_poll_rate > 0 and not shared.mem_mon.disabled and add_stats
         if run_memmon:
             shared.mem_mon.monitor()
         t = time.perf_counter()
 
         try:
+            if add_request:
+              res = list(func(request, *args, **kwargs))
+            else: 
               res = list(func(*args, **kwargs))
         except Exception as e:
             # When printing out our debug argument list, do not print out more than a MB of text

modules/progress.py

@@ -4,7 +4,9 @@ import time
 
 import gradio as gr
 from pydantic import BaseModel, Field
-from typing import List
+from typing import Optional
+from fastapi import Depends, Security
+from fastapi.security import APIKeyCookie
 
 from modules import call_queue
 from modules.shared import opts
@@ -12,57 +14,71 @@ from modules.shared import opts
 import modules.shared as shared
 
 
+current_task_user = None
 current_task = None
 pending_tasks = {}
 finished_tasks = []
 
 
-def start_task(id_task):
+def start_task(user, id_task):
     global current_task
+    global current_task_user
 
+    current_task_user = user
     current_task = id_task
-    pending_tasks.pop(id_task, None)
+    pending_tasks.pop((user, id_task), None)
 
 
-def finish_task(id_task):
+def finish_task(user, id_task):
     global current_task
+    global current_task_user
 
     if current_task == id_task:
         current_task = None
 
-    finished_tasks.append(id_task)
+    if current_task_user == user:
+        current_task_user = None
+
+    finished_tasks.append((user, id_task))
     if len(finished_tasks) > 16:
         finished_tasks.pop(0)
 
 
-def add_task_to_queue(id_job):
-    pending_tasks[id_job] = time.time()
+def add_task_to_queue(user, id_job):
+    pending_tasks[(user, id_job)] = time.time()
 
 last_task_id = None
 last_task_result = None
+last_task_user = None
+
+def set_last_task_result(user, id_job, result):
 
-def set_last_task_result(id_job, result):
   global last_task_id
   global last_task_result
+  global last_task_user
 
   last_task_id = id_job
   last_task_result = result
+  last_task_user = user
 
 
-def restore_progress_call():
+def restore_progress_call(request: gr.Request):
     if current_task is None:
 
       # image, generation_info, html_info, html_log
       return tuple(list([None, None, None, None]))
 
     else:
+      user = request.username
 
+      if current_task_user == user:
         t_task = current_task
         with call_queue.queue_lock_condition:
           call_queue.queue_lock_condition.wait_for(lambda: t_task == last_task_id)
 
         return last_task_result
 
+      return tuple(list([None, None, None, None]))
 
 class CurrentTaskResponse(BaseModel):
   current_task: str = Field(default=None, title="Task ID", description="id of the current progress task")
@@ -87,6 +103,19 @@ def setup_progress_api(app):
     return app.add_api_route("/internal/progress", progressapi, methods=["POST"], response_model=ProgressResponse)
 
 def setup_current_task_api(app):
+
+    def get_current_user(token: Optional[str] = Security(APIKeyCookie(name="access-token", auto_error=False))):
+      return None if token is None else app.tokens.get(token)
+
+    def current_task_api(current_user: str = Depends(get_current_user)):
+
+      if app.auth is None or current_task_user == current_user:
+        current_user_task = current_task
+      else:
+        current_user_task = None
+
+      return CurrentTaskResponse(current_task=current_user_task)
+
     return app.add_api_route("/internal/current_task", current_task_api, methods=["GET"], response_model=CurrentTaskResponse)
 
 def progressapi(req: ProgressRequest):
@@ -128,6 +157,3 @@ def progressapi(req: ProgressRequest):
         live_preview = None
 
     return ProgressResponse(active=active, queued=queued, completed=completed, progress=progress, eta=eta, live_preview=live_preview, id_live_preview=id_live_preview, textinfo=shared.state.textinfo)
-
-def current_task_api():
-  return CurrentTaskResponse(current_task=current_task)

modules/ui.py

@@ -582,7 +582,7 @@ def create_ui():
             res_switch_btn.click(lambda w, h: (h, w), inputs=[width, height], outputs=[width, height], show_progress=False)
 
             restore_progress_button.click(
-              fn=lambda: restore_progress_call(),
+              fn=restore_progress_call,
               _js="() => restoreProgress('txt2img')",
               inputs=[],
               outputs=[
@@ -914,7 +914,7 @@ def create_ui():
             res_switch_btn.click(lambda w, h: (h, w), inputs=[width, height], outputs=[width, height], show_progress=False)
 
             restore_progress_button.click(
-              fn=lambda: restore_progress_call(),
+              fn=restore_progress_call,
               _js="() => restoreProgress('img2img')",
               inputs=[],
               outputs=[