feat: add base logger to enable debug logging

google/api_core/client_logging.py

@@ -0,0 +1,16 @@
+import logging
+
+
+class BaseLogger:
+
+    def __init__(self, log_level=logging.CRITICAL):
+        self._logger = logging.getLogger("google")
+        self._logger.setLevel(log_level)
+        console_handler = logging.StreamHandler()
+        console_handler.setLevel(log_level)
+        formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
+        console_handler.setFormatter(formatter)
+        self._logger.addHandler(console_handler)
+
+    def get_logger(self):
+        return self._logger

tests/unit/test_client_logging.py

@@ -0,0 +1,17 @@
+import logging
+import pytest
+
+from google.api_core.client_logging import BaseLogger
+
+
+def test_base_logger(caplog):
+
+    logger = BaseLogger().get_logger()
+
+    with caplog.at_level(logging.INFO, logger="google"):
+        logger.info("This is a test message.")
+
+    assert "This is a test message." in caplog.text
+    assert caplog.records[0].name == "google"
+    assert caplog.records[0].levelname == "INFO"
+    assert caplog.records[0].message == "This is a test message."