From 51cc7e93b3588e820985ee83e412464455655598 Mon Sep 17 00:00:00 2001
From: isotr0py <2037008807@qq.com>
Date: Wed, 25 Sep 2024 14:48:42 +0800
Subject: [PATCH 1/4] set proxy from envs when init session

---
 earthaccess/auth.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/earthaccess/auth.py b/earthaccess/auth.py
index 4332379a..fa237ecd 100644
--- a/earthaccess/auth.py
+++ b/earthaccess/auth.py
@@ -45,6 +45,12 @@ def __init__(
         super().__init__()
         self.headers.update({"User-Agent": user_agent})
 
+        proxy = {
+            "http": os.getenv("HTTP_PROXY", ""),
+            "https": os.getenv("HTTPS_PROXY", ""),
+        }
+        self.proxies.update({k: v for k, v in proxy.items() if v})
+
         if username and password:
             self.auth = (username, password)
 

From 47b88ad42f80bb54f6a485563593383a0e6ec346 Mon Sep 17 00:00:00 2001
From: isotr0py <2037008807@qq.com>
Date: Wed, 25 Sep 2024 16:24:37 +0800
Subject: [PATCH 2/4] add changelog

---
 CHANGELOG.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a397ba3..79ffad1a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,7 +15,9 @@
   [**@chuckwondo**](https://github.com/chuckwondo))
 
 ### Added
-
+- Support setting proxy from environment variables for request session
+  ([#501](https://github.com/nsidc/earthaccess/issues/501))
+  ([**@Isotr0py**](https://github.com/Isotr0py))
 - Added Issue Templates
   ([#281](https://github.com/nsidc/earthaccess/issues/281))
   ([**@Sherwin-14**](https://github.com/Sherwin-14))

From c9e804d2e0c83f3546c58bd2c5a6c4348069616f Mon Sep 17 00:00:00 2001
From: isotr0py <2037008807@qq.com>
Date: Wed, 25 Sep 2024 16:25:26 +0800
Subject: [PATCH 3/4] add changelog

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 79ffad1a..acad2f9a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@
   [**@chuckwondo**](https://github.com/chuckwondo))
 
 ### Added
+
 - Support setting proxy from environment variables for request session
   ([#501](https://github.com/nsidc/earthaccess/issues/501))
   ([**@Isotr0py**](https://github.com/Isotr0py))

From eee2cfa847d2e34d436fea62f87c899e9ce94368 Mon Sep 17 00:00:00 2001
From: isotr0py <2037008807@qq.com>
Date: Thu, 26 Sep 2024 13:39:49 +0800
Subject: [PATCH 4/4] cache get_session

---
 earthaccess/auth.py | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/earthaccess/auth.py b/earthaccess/auth.py
index fa237ecd..3e722f51 100644
--- a/earthaccess/auth.py
+++ b/earthaccess/auth.py
@@ -4,6 +4,7 @@
 import os
 import platform
 import shutil
+from functools import lru_cache
 from netrc import NetrcParseError
 from pathlib import Path
 from typing import Any, Dict, List, Mapping, Optional
@@ -45,12 +46,6 @@ def __init__(
         super().__init__()
         self.headers.update({"User-Agent": user_agent})
 
-        proxy = {
-            "http": os.getenv("HTTP_PROXY", ""),
-            "https": os.getenv("HTTPS_PROXY", ""),
-        }
-        self.proxies.update({k: v for k, v in proxy.items() if v})
-
         if username and password:
             self.auth = (username, password)
 
@@ -203,6 +198,7 @@ def get_s3_credentials(
             logger.info("We need to authenticate with EDL first")
             return {}
 
+    @lru_cache
     def get_session(self, bearer_token: bool = True) -> requests.Session:
         """Returns a new request session instance.
 
@@ -213,6 +209,13 @@ def get_session(self, bearer_token: bool = True) -> requests.Session:
             class Session instance with Auth and bearer token headers
         """
         session = SessionWithHeaderRedirection()
+
+        proxy = {
+            "http": os.getenv("HTTP_PROXY", ""),
+            "https": os.getenv("HTTPS_PROXY", ""),
+        }
+        session.proxies.update({k: v for k, v in proxy.items() if v})
+
         if bearer_token and self.token:
             # This will avoid the use of the netrc after we are logged in
             session.trust_env = False