From e75605c6b106b26ccc1db74d7846a34c47502c91 Mon Sep 17 00:00:00 2001
From: Sylvester Kaczmarek
 <16242628+sylvesterkaczmarek@users.noreply.github.com>
Date: Tue, 25 Aug 2026 08:23:02 +0100
Subject: [PATCH 1/3] fix(logging): support warning and error log levels

---
 src/openai/_utils/_logs.py | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/openai/_utils/_logs.py b/src/openai/_utils/_logs.py
index c2c92e62f4..70de7744cc 100644
--- a/src/openai/_utils/_logs.py
+++ b/src/openai/_utils/_logs.py
@@ -8,6 +8,13 @@
 
 
 SENSITIVE_HEADERS = {"api-key", "authorization", "x-amz-security-token"}
+LOG_LEVELS = {
+    "debug": logging.DEBUG,
+    "info": logging.INFO,
+    "warning": logging.WARNING,
+    "error": logging.ERROR,
+    "critical": logging.CRITICAL,
+}
 
 
 def _basic_config() -> None:
@@ -29,12 +36,9 @@ def setup_logging() -> None:
     # Transport loggers may include complete URLs. Leave their configuration to
     # the application instead of enabling them with the SDK's logging switch.
     env = os.environ.get("OPENAI_LOG")
-    if env == "debug":
+    if env in LOG_LEVELS:
         _basic_config()
-        logger.setLevel(logging.DEBUG)
-    elif env == "info":
-        _basic_config()
-        logger.setLevel(logging.INFO)
+        logger.setLevel(LOG_LEVELS[env])  # type: ignore[index]
 
 
 class SensitiveHeadersFilter(logging.Filter):
@@ -45,4 +49,4 @@ def filter(self, record: logging.LogRecord) -> bool:
             for header in headers:
                 if str(header).lower() in SENSITIVE_HEADERS:
                     headers[header] = "<redacted>"
-        return True
+        return True
\ No newline at end of file

From 8252d931cc14b86a524b53e7b410b57b23d567d9 Mon Sep 17 00:00:00 2001
From: Sylvester Kaczmarek
 <16242628+sylvesterkaczmarek@users.noreply.github.com>
Date: Tue, 25 Aug 2026 08:23:13 +0100
Subject: [PATCH 2/3] refactor(logging): map supported OPENAI_LOG levels

---
 src/openai/_utils/_logs.py | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/openai/_utils/_logs.py b/src/openai/_utils/_logs.py
index 70de7744cc..baf81d228b 100644
--- a/src/openai/_utils/_logs.py
+++ b/src/openai/_utils/_logs.py
@@ -8,7 +8,7 @@
 
 
 SENSITIVE_HEADERS = {"api-key", "authorization", "x-amz-security-token"}
-LOG_LEVELS = {
+_LOG_LEVELS = {
     "debug": logging.DEBUG,
     "info": logging.INFO,
     "warning": logging.WARNING,
@@ -36,9 +36,15 @@ def setup_logging() -> None:
     # Transport loggers may include complete URLs. Leave their configuration to
     # the application instead of enabling them with the SDK's logging switch.
     env = os.environ.get("OPENAI_LOG")
-    if env in LOG_LEVELS:
-        _basic_config()
-        logger.setLevel(LOG_LEVELS[env])  # type: ignore[index]
+    if env is None:
+        return
+
+    level = _LOG_LEVELS.get(env)
+    if level is None:
+        return
+
+    _basic_config()
+    logger.setLevel(level)
 
 
 class SensitiveHeadersFilter(logging.Filter):

From 24e4f9bde1df0ab2241a67cdd52cd8d401d8e1a9 Mon Sep 17 00:00:00 2001
From: Sylvester Kaczmarek
 <16242628+sylvesterkaczmarek@users.noreply.github.com>
Date: Tue, 25 Aug 2026 08:23:25 +0100
Subject: [PATCH 3/3] test(logging): cover OPENAI_LOG standard levels

---
 tests/test_log_levels.py | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 tests/test_log_levels.py

diff --git a/tests/test_log_levels.py b/tests/test_log_levels.py
new file mode 100644
index 0000000000..e36f7005e1
--- /dev/null
+++ b/tests/test_log_levels.py
@@ -0,0 +1,33 @@
+from __future__ import annotations
+
+import logging
+
+import pytest
+
+from openai._utils._logs import setup_logging
+
+
+@pytest.mark.parametrize(
+    ("setting", "expected_level"),
+    [
+        ("debug", logging.DEBUG),
+        ("info", logging.INFO),
+        ("warning", logging.WARNING),
+        ("error", logging.ERROR),
+        ("critical", logging.CRITICAL),
+    ],
+)
+def test_openai_log_sets_standard_log_level(
+    setting: str,
+    expected_level: int,
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    logger = logging.getLogger("openai")
+    original_level = logger.level
+
+    try:
+        monkeypatch.setenv("OPENAI_LOG", setting)
+        setup_logging()
+        assert logger.level == expected_level
+    finally:
+        logger.setLevel(original_level)