mirror of
https://github.com/BerriAI/litellm.git
synced 2025-04-25 10:44:24 +00:00
70 lines
No EOL
3 KiB
Python
70 lines
No EOL
3 KiB
Python
from typing import Optional
|
|
import litellm
|
|
from litellm.caching import DualCache
|
|
from litellm.integrations.custom_logger import CustomLogger
|
|
from fastapi import HTTPException
|
|
|
|
class MaxParallelRequestsHandler(CustomLogger):
|
|
# Class variables or attributes
|
|
def __init__(self):
|
|
pass
|
|
|
|
def print_verbose(self, print_statement):
|
|
if litellm.set_verbose is True:
|
|
print(print_statement) # noqa
|
|
|
|
|
|
async def max_parallel_request_allow_request(self, max_parallel_requests: Optional[int], api_key: Optional[str], user_api_key_cache: DualCache):
|
|
if api_key is None:
|
|
return
|
|
|
|
if max_parallel_requests is None:
|
|
return
|
|
|
|
self.user_api_key_cache = user_api_key_cache # save the api key cache for updating the value
|
|
|
|
# CHECK IF REQUEST ALLOWED
|
|
request_count_api_key = f"{api_key}_request_count"
|
|
current = user_api_key_cache.get_cache(key=request_count_api_key)
|
|
self.print_verbose(f"current: {current}")
|
|
if current is None:
|
|
user_api_key_cache.set_cache(request_count_api_key, 1)
|
|
elif int(current) < max_parallel_requests:
|
|
# Increase count for this token
|
|
user_api_key_cache.set_cache(request_count_api_key, int(current) + 1)
|
|
else:
|
|
raise HTTPException(status_code=429, detail="Max parallel request limit reached.")
|
|
|
|
|
|
async def async_log_success_event(self, kwargs, response_obj, start_time, end_time):
|
|
try:
|
|
self.print_verbose(f"INSIDE ASYNC SUCCESS LOGGING")
|
|
user_api_key = kwargs["litellm_params"]["metadata"]["user_api_key"]
|
|
if user_api_key is None:
|
|
return
|
|
|
|
request_count_api_key = f"{user_api_key}_request_count"
|
|
# check if it has collected an entire stream response
|
|
self.print_verbose(f"'complete_streaming_response' is in kwargs: {'complete_streaming_response' in kwargs}")
|
|
if "complete_streaming_response" in kwargs or kwargs["stream"] != True:
|
|
# Decrease count for this token
|
|
current = self.user_api_key_cache.get_cache(key=request_count_api_key) or 1
|
|
new_val = current - 1
|
|
self.print_verbose(f"updated_value in success call: {new_val}")
|
|
self.user_api_key_cache.set_cache(request_count_api_key, new_val)
|
|
except Exception as e:
|
|
self.print_verbose(e) # noqa
|
|
|
|
async def async_log_failure_call(self, api_key, user_api_key_cache):
|
|
try:
|
|
if api_key is None:
|
|
return
|
|
|
|
request_count_api_key = f"{api_key}_request_count"
|
|
# Decrease count for this token
|
|
current = self.user_api_key_cache.get_cache(key=request_count_api_key) or 1
|
|
new_val = current - 1
|
|
self.print_verbose(f"updated_value in failure call: {new_val}")
|
|
self.user_api_key_cache.set_cache(request_count_api_key, new_val)
|
|
except Exception as e:
|
|
self.print_verbose(f"An exception occurred - {str(e)}") # noqa |