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added proxy support #97

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winsonc7 wants to merge 1 commit into from
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added proxy support #97

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4 changes: 4 additions & 0 deletions lighter/configuration.py
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Original file line number Diff line number Diff line change
Expand Up @@ -190,6 +190,10 @@ def __init__(self, host=None,
self.proxy: Optional[str] = None
"""Proxy URL
"""
self.proxy_list: Optional[list[str]] = None
"""List of proxy URLs for rotation. When set, requests will round-robin
through these proxies. Takes precedence over self.proxy.
"""
self.proxy_headers = None
"""Proxy headers
"""
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15 changes: 14 additions & 1 deletion lighter/rest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@

import io
import json
import logging
import random
import re
import ssl
from typing import Optional, Union
Expand All @@ -23,6 +25,9 @@

from lighter.exceptions import ApiException, ApiValueError

logger = logging.getLogger(__name__)
PROXY_USAGE_PROBABILITY = 0.5

RESTResponseType = aiohttp.ClientResponse

ALLOW_RETRY_METHODS = frozenset({'DELETE', 'GET', 'HEAD', 'OPTIONS', 'PUT', 'TRACE'})
Expand Down Expand Up @@ -74,6 +79,8 @@ def __init__(self, configuration) -> None:
)

self.proxy = configuration.proxy
self.proxy_list = configuration.proxy_list
self._proxy_index = 0
self.proxy_headers = configuration.proxy_headers

# https pool manager
Expand Down Expand Up @@ -156,7 +163,13 @@ async def request(
"headers": headers
}

if self.proxy:
# Proxy rotation with probability control
if self.proxy_list and random.random() < PROXY_USAGE_PROBABILITY:
proxy = self.proxy_list[self._proxy_index % len(self.proxy_list)]
self._proxy_index += 1
args["proxy"] = proxy
logger.info(f"Lighter request via proxy: {proxy}")
elif self.proxy:
args["proxy"] = self.proxy
if self.proxy_headers:
args["proxy_headers"] = self.proxy_headers
Expand Down