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import time
from concurrent.futures import ThreadPoolExecutor
from typing import Dict, List, Optional, Union
import requests
from opencompass.utils.prompt import PromptList
from .base_api import BaseAPIModel
PromptType = Union[PromptList, str]
class PanGu(BaseAPIModel):
"""Model wrapper around PanGu.
Args:
path (str): The name of Pangu model.
e.g. `pangu`
access_key (str): provided access_key
secret_key (str): secretkey in order to obtain access_token
url (str): provide url for requests
token_url (str): url of token server
project_name (str): project name for generate the token
query_per_second (int): The maximum queries allowed per second
between two consecutive calls of the API. Defaults to 1.
max_seq_len (int): Unused here.
meta_template (Dict, optional): The model's meta prompt
template if needed, in case the requirement of injecting or
wrapping of any meta instructions.
retry (int): Number of retires if the API call fails. Defaults to 2.
"""
def __init__(
self,
path: str,
access_key: str,
secret_key: str,
url: str,
token_url: str,
project_name: str,
query_per_second: int = 2,
max_seq_len: int = 2048,
meta_template: Optional[Dict] = None,
retry: int = 2,
):
super().__init__(path=path,
max_seq_len=max_seq_len,
query_per_second=query_per_second,
meta_template=meta_template,
retry=retry)
self.access_key = access_key
self.secret_key = secret_key
self.url = url
self.token_url = token_url
self.project_name = project_name
self.model = path
token_response = self._get_token()
if token_response.status_code == 201:
self.token = token_response.headers['X-Subject-Token']
print('请求成功！')
else:
self.token = None
print('token生成失败')
def generate(
self,
inputs: List[str or PromptList],
max_out_len: int = 512,
) -> List[str]:
"""Generate results given a list of inputs.
Args:
inputs (List[str or PromptList]): A list of strings or PromptDicts.
The PromptDict should be organized in OpenCompass'
API format.
max_out_len (int): The maximum length of the output.
Returns:
List[str]: A list of generated strings.
"""
with ThreadPoolExecutor() as executor:
results = list(
executor.map(self._generate, inputs,
[max_out_len] * len(inputs)))
self.flush()
return results
def _get_token(self):
url = self.token_url
payload = {
'auth': {
'identity': {
'methods': ['hw_ak_sk'],
'hw_ak_sk': {
'access': {
'key': self.access_key
},
'secret': {
'key': self.secret_key
}
}
},
'scope': {
'project': {
'name': self.project_name
}
}
}
}
headers = {'Content-Type': 'application/json'}
response = requests.request('POST', url, headers=headers, json=payload)
return response
def _generate(
self,
input: str or PromptList,
max_out_len: int = 512,
) -> str:
"""Generate results given an input.
Args:
inputs (str or PromptList): A string or PromptDict.
The PromptDict should be organized in OpenCompass'
API format.
max_out_len (int): The maximum length of the output.
Returns:
str: The generated string.
"""
assert isinstance(input, (str, PromptList))
if isinstance(input, str):
messages = [{'role': 'user', 'content': input}]
else:
messages = []
for item in input:
msg = {'content': item['prompt']}
if item['role'] == 'HUMAN':
msg['role'] = 'user'
elif item['role'] == 'BOT':
msg['role'] = 'system'
messages.append(msg)
data = {'messages': messages, 'stream': False}
# token_response = self._get_token()
# if token_response.status_code == 201:
# self.token = token_response.headers['X-Subject-Token']
# print('请求成功！')
# else:
# self.token = None
# print('token生成失败')
headers = {
'Content-Type': 'application/json',
'X-Auth-Token': self.token
}
max_num_retries = 0
while max_num_retries < self.retry:
self.acquire()
raw_response = requests.request('POST',
url=self.url,
headers=headers,
json=data)
response = raw_response.json()
self.release()
if response is None:
print('Connection error, reconnect.')
# if connect error, frequent requests will casuse
# continuous unstable network, therefore wait here
# to slow down the request
self.wait()
continue
if raw_response.status_code == 200:
# msg = json.load(response.text)
# response
msg = response['choices'][0]['message']['content']
return msg
if (raw_response.status_code != 200):
print(response['error_msg'])
# return ''
time.sleep(1)
continue
print(response)
max_num_retries += 1
raise RuntimeError(response['error_msg'])
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