tb2pi-persistent
commited on
Commit
•
f14d9b5
1
Parent(s):
189ff4e
Upload handler.py
Browse files- handler.py +40 -0
handler.py
ADDED
@@ -0,0 +1,40 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
from typing import Dict, List, Any
|
2 |
+
from transformers import AutoTokenizer, AutoModelForCausalLM
|
3 |
+
import transformers
|
4 |
+
import torch
|
5 |
+
|
6 |
+
# dtype = torch.bfloat16 if torch.cuda.get_device_capability()[0] == 8 else torch.float16
|
7 |
+
|
8 |
+
class EndpointHandler:
|
9 |
+
def __init__(self, path=""):
|
10 |
+
|
11 |
+
tokenizer = AutoTokenizer.from_pretrained(path, trust_remote_code=True)
|
12 |
+
tokenizer.pad_token = tokenizer.eos_token
|
13 |
+
model = AutoModelForCausalLM.from_pretrained(
|
14 |
+
path,
|
15 |
+
return_dict=True,
|
16 |
+
device_map="auto",
|
17 |
+
load_in_8bit=True,
|
18 |
+
torch_dtype=torch.bfloat16,
|
19 |
+
trust_remote_code=True
|
20 |
+
)
|
21 |
+
|
22 |
+
generation_config = model.generation_config
|
23 |
+
generation_config.max_new_tokens = 200
|
24 |
+
generation_config.temperature = 0.7
|
25 |
+
generation_config.top_p = 0.7
|
26 |
+
generation_config.num_return_sequences = 1
|
27 |
+
generation_config.pad_token_id = tokenizer.eos_token_id
|
28 |
+
generation_config.eos_token_id = tokenizer.eos_token_id
|
29 |
+
self.generation_config = generation_config
|
30 |
+
|
31 |
+
self.pipeline = transformers.pipeline(
|
32 |
+
"text-generation",
|
33 |
+
model=model,
|
34 |
+
tokenizer=tokenizer
|
35 |
+
)
|
36 |
+
|
37 |
+
def __call__(self, data: Dict[str, Any]) -> Dict[str, Any]:
|
38 |
+
prompt = data.pop("inputs", data)
|
39 |
+
result = self.pipeline(prompt, generation_config=self.generation_config)
|
40 |
+
return result
|