| 109 | global model |
| 110 | |
| 111 | def generate(model): |
| 112 | print("Called generate") |
| 113 | if model.inuse: |
| 114 | # send 409 error |
| 115 | return Response(json.dumps({ |
| 116 | "method_name": "error", |
| 117 | "error": "Model in use" |
| 118 | }), status=409, mimetype='application/json') |
| 119 | return |
| 120 | model.inuse = True |
| 121 | |
| 122 | # run model.run_agent in the background |
| 123 | with concurrent.futures.ThreadPoolExecutor() as executor: |
| 124 | |
| 125 | future = executor.submit(model.run_pipeline, user_input, method, top_k) |
| 126 | # keep waiting for the queue to be empty |
| 127 | while True: |
| 128 | if model.queue.empty(): |
| 129 | if future.done(): |
| 130 | print("Finished with future") |
| 131 | break |
| 132 | time.sleep(0.01) |
| 133 | continue |
| 134 | else: |
| 135 | obj = model.queue.get() |
| 136 | if obj["method_name"] == "unknown": continue |
| 137 | if obj["method_name"] == "on_request_end": |
| 138 | yield json.dumps(obj) |
| 139 | break |
| 140 | |
| 141 | try: |
| 142 | yield json.dumps(obj) + "\n" |
| 143 | except Exception as e: |
| 144 | model.inuse = False |
| 145 | print(obj) |
| 146 | print(e) |
| 147 | |
| 148 | try: |
| 149 | future.result() |
| 150 | except Exception as e: |
| 151 | model.inuse = False |
| 152 | print(e) |
| 153 | |
| 154 | model.inuse = False |
| 155 | return |
| 156 | |
| 157 | return Response(stream_with_context(generate(model))) |
| 158 | |