Merge pull request #175 from SagsMug/main

Add api example using websockets

api-example-stream.py

@@ -0,0 +1,81 @@
+import string
+import random
+import websockets
+import json
+import asyncio
+
+def random_hash():
+    letters = string.ascii_lowercase + string.digits
+    return ''.join(random.choice(letters) for i in range(9))
+
+async def run(context):
+    server = "127.0.0.1"
+    params = {
+        'max_new_tokens': 200,
+        'do_sample': True,
+        'temperature': 0.5,
+        'top_p': 0.9,
+        'typical_p': 1,
+        'repetition_penalty': 1.05,
+        'top_k': 0,
+        'min_length': 0,
+        'no_repeat_ngram_size': 0,
+        'num_beams': 1,
+        'penalty_alpha': 0,
+        'length_penalty': 1,
+        'early_stopping': False,
+    }
+    session = random_hash()
+
+    async with websockets.connect(f"ws://{server}:7860/queue/join") as websocket:
+        while content := json.loads(await websocket.recv()):
+            #Python3.10 syntax, replace with if elif on older
+            match content["msg"]:
+                case "send_hash":
+                    await websocket.send(json.dumps({
+                        "session_hash": session,
+                        "fn_index": 7
+                    }))
+                case "estimation":
+                    pass
+                case "send_data":
+                    await websocket.send(json.dumps({
+                        "session_hash": session,
+                        "fn_index": 7,
+                        "data": [
+                            context,
+                            params['max_new_tokens'],
+                            params['do_sample'],
+                            params['temperature'],
+                            params['top_p'],
+                            params['typical_p'],
+                            params['repetition_penalty'],
+                            params['top_k'],
+                            params['min_length'],
+                            params['no_repeat_ngram_size'],
+                            params['num_beams'],
+                            params['penalty_alpha'],
+                            params['length_penalty'],
+                            params['early_stopping'],
+                        ]
+                    }))
+                case "process_starts":
+                    pass
+                case "process_generating" | "process_completed":
+                    yield content["output"]["data"][0]
+                    # You can search for your desired end indicator and 
+                    #  stop generation by closing the websocket here
+                    if (content["msg"] == "process_completed"):
+                        break
+
+prompt = "What I would like to say is the following: "
+
+async def get_result():
+    async for response in run(prompt):
+        # Print intermediate steps
+        print(response)
+
+    # Print final result
+    print(response)
+
+asyncio.run(get_result())