fix case of short env name

python · orsenthil · Oct 5, 2022 · Apr 15, 2022 · Apr 15, 2022 · Apr 15, 2022
commit b8de96294e5c1b97f871266e4686318563bcf7cf
diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
@@ -2501,7 +2501,7 @@ def getproxies_environment():
    # two passes: first matches any, second pass matches lowercase only

    # select only environment variables which end in (after making lowercase) _proxy 
-    candidate_names = [name for name in os.environ.keys() if name[-6:]=='_'] # fast selection of candidates
+    candidate_names = [name for name in os.environ.keys() if len(name)>5 and name[-6]=='_'] # fast selection of candidates
    environment = [(name, os.environ[name], name.lower()) for name in candidate_names if name[-6:].lower()=='_proxy'] 

    proxies = {}