mirror of
https://github.com/BerriAI/litellm.git
synced 2025-04-25 18:54:30 +00:00
426 lines
No EOL
14 KiB
Python
426 lines
No EOL
14 KiB
Python
import asyncio
|
|
import os
|
|
import traceback
|
|
from typing import Any, Mapping, Optional, Union
|
|
|
|
import httpx
|
|
|
|
import litellm
|
|
|
|
try:
|
|
from litellm._version import version
|
|
except:
|
|
version = "0.0.0"
|
|
|
|
headers = {
|
|
"User-Agent": f"litellm/{version}",
|
|
}
|
|
|
|
# https://www.python-httpx.org/advanced/timeouts
|
|
_DEFAULT_TIMEOUT = httpx.Timeout(timeout=5.0, connect=5.0)
|
|
|
|
|
|
class AsyncHTTPHandler:
|
|
def __init__(
|
|
self,
|
|
timeout: Optional[Union[float, httpx.Timeout]] = None,
|
|
concurrent_limit=1000,
|
|
):
|
|
self.timeout = timeout
|
|
self.client = self.create_client(
|
|
timeout=timeout, concurrent_limit=concurrent_limit
|
|
)
|
|
|
|
def create_client(
|
|
self, timeout: Optional[Union[float, httpx.Timeout]], concurrent_limit: int
|
|
) -> httpx.AsyncClient:
|
|
|
|
# Check if the HTTP_PROXY and HTTPS_PROXY environment variables are set and use them accordingly.
|
|
ssl_verify = bool(os.getenv("SSL_VERIFY", litellm.ssl_verify))
|
|
cert = os.getenv(
|
|
"SSL_CERTIFICATE", litellm.ssl_certificate
|
|
) # /path/to/client.pem
|
|
|
|
if timeout is None:
|
|
timeout = _DEFAULT_TIMEOUT
|
|
# Create a client with a connection pool
|
|
|
|
return httpx.AsyncClient(
|
|
timeout=timeout,
|
|
limits=httpx.Limits(
|
|
max_connections=concurrent_limit,
|
|
max_keepalive_connections=concurrent_limit,
|
|
),
|
|
verify=ssl_verify,
|
|
cert=cert,
|
|
headers=headers,
|
|
)
|
|
|
|
async def close(self):
|
|
# Close the client when you're done with it
|
|
await self.client.aclose()
|
|
|
|
async def __aenter__(self):
|
|
return self.client
|
|
|
|
async def __aexit__(self):
|
|
# close the client when exiting
|
|
await self.client.aclose()
|
|
|
|
async def get(
|
|
self, url: str, params: Optional[dict] = None, headers: Optional[dict] = None
|
|
):
|
|
response = await self.client.get(url, params=params, headers=headers)
|
|
return response
|
|
|
|
async def post(
|
|
self,
|
|
url: str,
|
|
data: Optional[Union[dict, str]] = None, # type: ignore
|
|
json: Optional[dict] = None,
|
|
params: Optional[dict] = None,
|
|
headers: Optional[dict] = None,
|
|
timeout: Optional[Union[float, httpx.Timeout]] = None,
|
|
stream: bool = False,
|
|
):
|
|
try:
|
|
if timeout is None:
|
|
timeout = self.timeout
|
|
req = self.client.build_request(
|
|
"POST", url, data=data, json=json, params=params, headers=headers, timeout=timeout # type: ignore
|
|
)
|
|
response = await self.client.send(req, stream=stream)
|
|
response.raise_for_status()
|
|
return response
|
|
except (httpx.RemoteProtocolError, httpx.ConnectError):
|
|
# Retry the request with a new session if there is a connection error
|
|
new_client = self.create_client(timeout=timeout, concurrent_limit=1)
|
|
try:
|
|
return await self.single_connection_post_request(
|
|
url=url,
|
|
client=new_client,
|
|
data=data,
|
|
json=json,
|
|
params=params,
|
|
headers=headers,
|
|
stream=stream,
|
|
)
|
|
finally:
|
|
await new_client.aclose()
|
|
except httpx.TimeoutException as e:
|
|
headers = {}
|
|
if hasattr(e, "response") and e.response is not None:
|
|
for key, value in e.response.headers.items():
|
|
headers["response_headers-{}".format(key)] = value
|
|
|
|
raise litellm.Timeout(
|
|
message=f"Connection timed out after {timeout} seconds.",
|
|
model="default-model-name",
|
|
llm_provider="litellm-httpx-handler",
|
|
headers=headers,
|
|
)
|
|
except httpx.HTTPStatusError as e:
|
|
setattr(e, "status_code", e.response.status_code)
|
|
if stream is True:
|
|
setattr(e, "message", await e.response.aread())
|
|
else:
|
|
setattr(e, "message", e.response.text)
|
|
raise e
|
|
except Exception as e:
|
|
raise e
|
|
|
|
async def put(
|
|
self,
|
|
url: str,
|
|
data: Optional[Union[dict, str]] = None, # type: ignore
|
|
json: Optional[dict] = None,
|
|
params: Optional[dict] = None,
|
|
headers: Optional[dict] = None,
|
|
timeout: Optional[Union[float, httpx.Timeout]] = None,
|
|
stream: bool = False,
|
|
):
|
|
try:
|
|
if timeout is None:
|
|
timeout = self.timeout
|
|
req = self.client.build_request(
|
|
"PUT", url, data=data, json=json, params=params, headers=headers, timeout=timeout # type: ignore
|
|
)
|
|
response = await self.client.send(req, stream=stream)
|
|
response.raise_for_status()
|
|
return response
|
|
except (httpx.RemoteProtocolError, httpx.ConnectError):
|
|
# Retry the request with a new session if there is a connection error
|
|
new_client = self.create_client(timeout=timeout, concurrent_limit=1)
|
|
try:
|
|
return await self.single_connection_post_request(
|
|
url=url,
|
|
client=new_client,
|
|
data=data,
|
|
json=json,
|
|
params=params,
|
|
headers=headers,
|
|
stream=stream,
|
|
)
|
|
finally:
|
|
await new_client.aclose()
|
|
except httpx.TimeoutException as e:
|
|
headers = {}
|
|
if hasattr(e, "response") and e.response is not None:
|
|
for key, value in e.response.headers.items():
|
|
headers["response_headers-{}".format(key)] = value
|
|
|
|
raise litellm.Timeout(
|
|
message=f"Connection timed out after {timeout} seconds.",
|
|
model="default-model-name",
|
|
llm_provider="litellm-httpx-handler",
|
|
headers=headers,
|
|
)
|
|
except httpx.HTTPStatusError as e:
|
|
setattr(e, "status_code", e.response.status_code)
|
|
if stream is True:
|
|
setattr(e, "message", await e.response.aread())
|
|
else:
|
|
setattr(e, "message", e.response.text)
|
|
raise e
|
|
except Exception as e:
|
|
raise e
|
|
|
|
async def delete(
|
|
self,
|
|
url: str,
|
|
data: Optional[Union[dict, str]] = None, # type: ignore
|
|
json: Optional[dict] = None,
|
|
params: Optional[dict] = None,
|
|
headers: Optional[dict] = None,
|
|
timeout: Optional[Union[float, httpx.Timeout]] = None,
|
|
stream: bool = False,
|
|
):
|
|
try:
|
|
if timeout is None:
|
|
timeout = self.timeout
|
|
req = self.client.build_request(
|
|
"DELETE", url, data=data, json=json, params=params, headers=headers, timeout=timeout # type: ignore
|
|
)
|
|
response = await self.client.send(req, stream=stream)
|
|
response.raise_for_status()
|
|
return response
|
|
except (httpx.RemoteProtocolError, httpx.ConnectError):
|
|
# Retry the request with a new session if there is a connection error
|
|
new_client = self.create_client(timeout=timeout, concurrent_limit=1)
|
|
try:
|
|
return await self.single_connection_post_request(
|
|
url=url,
|
|
client=new_client,
|
|
data=data,
|
|
json=json,
|
|
params=params,
|
|
headers=headers,
|
|
stream=stream,
|
|
)
|
|
finally:
|
|
await new_client.aclose()
|
|
except httpx.HTTPStatusError as e:
|
|
setattr(e, "status_code", e.response.status_code)
|
|
if stream is True:
|
|
setattr(e, "message", await e.response.aread())
|
|
else:
|
|
setattr(e, "message", e.response.text)
|
|
raise e
|
|
except Exception as e:
|
|
raise e
|
|
|
|
async def single_connection_post_request(
|
|
self,
|
|
url: str,
|
|
client: httpx.AsyncClient,
|
|
data: Optional[Union[dict, str]] = None, # type: ignore
|
|
json: Optional[dict] = None,
|
|
params: Optional[dict] = None,
|
|
headers: Optional[dict] = None,
|
|
stream: bool = False,
|
|
):
|
|
"""
|
|
Making POST request for a single connection client.
|
|
|
|
Used for retrying connection client errors.
|
|
"""
|
|
req = client.build_request(
|
|
"POST", url, data=data, json=json, params=params, headers=headers # type: ignore
|
|
)
|
|
response = await client.send(req, stream=stream)
|
|
response.raise_for_status()
|
|
return response
|
|
|
|
def __del__(self) -> None:
|
|
try:
|
|
asyncio.get_running_loop().create_task(self.close())
|
|
except Exception:
|
|
pass
|
|
|
|
|
|
class HTTPHandler:
|
|
def __init__(
|
|
self,
|
|
timeout: Optional[Union[float, httpx.Timeout]] = None,
|
|
concurrent_limit=1000,
|
|
client: Optional[httpx.Client] = None,
|
|
):
|
|
if timeout is None:
|
|
timeout = _DEFAULT_TIMEOUT
|
|
|
|
# Check if the HTTP_PROXY and HTTPS_PROXY environment variables are set and use them accordingly.
|
|
ssl_verify = bool(os.getenv("SSL_VERIFY", litellm.ssl_verify))
|
|
cert = os.getenv(
|
|
"SSL_CERTIFICATE", litellm.ssl_certificate
|
|
) # /path/to/client.pem
|
|
|
|
if client is None:
|
|
# Create a client with a connection pool
|
|
self.client = httpx.Client(
|
|
timeout=timeout,
|
|
limits=httpx.Limits(
|
|
max_connections=concurrent_limit,
|
|
max_keepalive_connections=concurrent_limit,
|
|
),
|
|
verify=ssl_verify,
|
|
cert=cert,
|
|
headers=headers,
|
|
)
|
|
else:
|
|
self.client = client
|
|
|
|
def close(self):
|
|
# Close the client when you're done with it
|
|
self.client.close()
|
|
|
|
def get(
|
|
self, url: str, params: Optional[dict] = None, headers: Optional[dict] = None
|
|
):
|
|
response = self.client.get(url, params=params, headers=headers)
|
|
return response
|
|
|
|
def post(
|
|
self,
|
|
url: str,
|
|
data: Optional[Union[dict, str]] = None,
|
|
json: Optional[Union[dict, str]] = None,
|
|
params: Optional[dict] = None,
|
|
headers: Optional[dict] = None,
|
|
stream: bool = False,
|
|
timeout: Optional[Union[float, httpx.Timeout]] = None,
|
|
):
|
|
try:
|
|
|
|
if timeout is not None:
|
|
req = self.client.build_request(
|
|
"POST", url, data=data, json=json, params=params, headers=headers, timeout=timeout # type: ignore
|
|
)
|
|
else:
|
|
req = self.client.build_request(
|
|
"POST", url, data=data, json=json, params=params, headers=headers # type: ignore
|
|
)
|
|
response = self.client.send(req, stream=stream)
|
|
return response
|
|
except httpx.TimeoutException:
|
|
raise litellm.Timeout(
|
|
message=f"Connection timed out after {timeout} seconds.",
|
|
model="default-model-name",
|
|
llm_provider="litellm-httpx-handler",
|
|
)
|
|
except Exception as e:
|
|
raise e
|
|
|
|
def put(
|
|
self,
|
|
url: str,
|
|
data: Optional[Union[dict, str]] = None,
|
|
json: Optional[Union[dict, str]] = None,
|
|
params: Optional[dict] = None,
|
|
headers: Optional[dict] = None,
|
|
stream: bool = False,
|
|
timeout: Optional[Union[float, httpx.Timeout]] = None,
|
|
):
|
|
try:
|
|
|
|
if timeout is not None:
|
|
req = self.client.build_request(
|
|
"PUT", url, data=data, json=json, params=params, headers=headers, timeout=timeout # type: ignore
|
|
)
|
|
else:
|
|
req = self.client.build_request(
|
|
"PUT", url, data=data, json=json, params=params, headers=headers # type: ignore
|
|
)
|
|
response = self.client.send(req, stream=stream)
|
|
return response
|
|
except httpx.TimeoutException:
|
|
raise litellm.Timeout(
|
|
message=f"Connection timed out after {timeout} seconds.",
|
|
model="default-model-name",
|
|
llm_provider="litellm-httpx-handler",
|
|
)
|
|
except Exception as e:
|
|
raise e
|
|
|
|
|
|
def __del__(self) -> None:
|
|
try:
|
|
self.close()
|
|
except Exception:
|
|
pass
|
|
|
|
|
|
def _get_async_httpx_client(params: Optional[dict] = None) -> AsyncHTTPHandler:
|
|
"""
|
|
Retrieves the async HTTP client from the cache
|
|
If not present, creates a new client
|
|
|
|
Caches the new client and returns it.
|
|
"""
|
|
_params_key_name = ""
|
|
if params is not None:
|
|
for key, value in params.items():
|
|
try:
|
|
_params_key_name += f"{key}_{value}"
|
|
except Exception:
|
|
pass
|
|
|
|
_cache_key_name = "async_httpx_client" + _params_key_name
|
|
if _cache_key_name in litellm.in_memory_llm_clients_cache:
|
|
return litellm.in_memory_llm_clients_cache[_cache_key_name]
|
|
|
|
if params is not None:
|
|
_new_client = AsyncHTTPHandler(**params)
|
|
else:
|
|
_new_client = AsyncHTTPHandler(
|
|
timeout=httpx.Timeout(timeout=600.0, connect=5.0)
|
|
)
|
|
litellm.in_memory_llm_clients_cache[_cache_key_name] = _new_client
|
|
return _new_client
|
|
|
|
|
|
def _get_httpx_client(params: Optional[dict] = None) -> HTTPHandler:
|
|
"""
|
|
Retrieves the HTTP client from the cache
|
|
If not present, creates a new client
|
|
|
|
Caches the new client and returns it.
|
|
"""
|
|
_params_key_name = ""
|
|
if params is not None:
|
|
for key, value in params.items():
|
|
try:
|
|
_params_key_name += f"{key}_{value}"
|
|
except Exception:
|
|
pass
|
|
|
|
_cache_key_name = "httpx_client" + _params_key_name
|
|
if _cache_key_name in litellm.in_memory_llm_clients_cache:
|
|
return litellm.in_memory_llm_clients_cache[_cache_key_name]
|
|
|
|
if params is not None:
|
|
_new_client = HTTPHandler(**params)
|
|
else:
|
|
_new_client = HTTPHandler(timeout=httpx.Timeout(timeout=600.0, connect=5.0))
|
|
|
|
litellm.in_memory_llm_clients_cache[_cache_key_name] = _new_client
|
|
return _new_client |