Fix logging output routing

Changed logging so normal messages go to stdout and errors go to stderr.
This makes it much easier to pipe script output.

Fixes #205

Author: SaurabhCodesAI

scripts/shared.py

@@ -1,6 +1,7 @@
 # Standard library
 import logging
 import os
+import sys
 from datetime import datetime, timezone
 
 # Third-party
@@ -115,10 +116,28 @@ def paths_update(logger, paths, old_quarter, new_quarter):
 
 def setup(current_file):
     # Set up logging
-    logging.basicConfig(
-        level=logging.INFO,
-        format="%(asctime)s - %(levelname)s - %(module)s - %(message)s",
+    root = logging.getLogger()
+    root.handlers.clear()
+    root.setLevel(logging.INFO)
+
+    formatter = logging.Formatter(
+        "%(asctime)s - %(levelname)s - %(module)s - %(message)s"
     )
+
+    # Info/warning to stdout
+    stdout_handler = logging.StreamHandler(sys.stdout)
+    stdout_handler.setLevel(logging.DEBUG)
+    stdout_handler.setFormatter(formatter)
+    stdout_handler.addFilter(lambda r: r.levelno < logging.ERROR)
+
+    # Errors to stderr
+    stderr_handler = logging.StreamHandler(sys.stderr)
+    stderr_handler.setLevel(logging.ERROR)
+    stderr_handler.setFormatter(formatter)
+
+    root.addHandler(stdout_handler)
+    root.addHandler(stderr_handler)
+
     logger = logging.getLogger(__name__)
 
     # Datetime
@@ -220,11 +239,11 @@ def update_readme(
         entry_start_index = lines.index(entry_start_line)
         entry_end_index = lines.index(entry_end_line)
         # Include any trailing empty/whitespace-only lines
-        while entry_end_index + 1 < len(lines):
-            if not lines[entry_end_index + 1].strip():
-                entry_end_index += 1
-            else:
-                break
+        while (
+            entry_end_index + 1 < len(lines)
+            and not lines[entry_end_index + 1].strip()
+        ):
+            entry_end_index += 1
     # Initalize variables of entry is not present
     else:
         entry_start_index = None