[Codegen] update-loggers (#691)

Co-authored-by: codegen-bot <[email protected]>

Author: caroljung-cg

.codegen/codemods/update_loggers/update_loggers.py

@@ -0,0 +1,18 @@
+import codegen
+from codegen.sdk.core.codebase import PyCodebaseType
+
+
+@codegen.function("update-loggers")
+def run(codebase: PyCodebaseType) -> None:
+    """Updates all loggers in src/codegen to use the new get_logger function."""
+    for file in codebase.files:
+        if not str(file.filepath).startswith("src/codegen/"):
+            continue
+
+        if file.get_import("logging") is None:
+            continue
+
+        if (logger := file.get_global_var("logger")) and logger.value.source == "logging.getLogger(__name__)":
+            print(f"Updating logger in {file.filepath}")
+            logger.set_value("get_logger(__name__)")
+            file.add_import_from_import_string("\nfrom codegen.shared.logging.get_logger import get_logger")