Move the find_pylintrc function in find_default_config_files.py

pylint/config/__init__.py

@@ -41,7 +41,10 @@
 from datetime import datetime
 
 from pylint.config.configuration_mixin import ConfigurationMixIn
-from pylint.config.find_default_config_files import find_default_config_files
+from pylint.config.find_default_config_files import (
+    find_default_config_files,
+    find_pylintrc,
+)
 from pylint.config.man_help_formatter import _ManHelpFormatter
 from pylint.config.option import Option
 from pylint.config.option_manager_mixin import OptionsManagerMixIn
@@ -139,13 +142,4 @@ def save_results(results, base):
         print(f"Unable to create file {data_file}: {ex}", file=sys.stderr)
 
 
-def find_pylintrc():
-    """search the pylint rc file and return its path if it find it, else None"""
-    for config_file in find_default_config_files():
-        if config_file.endswith("pylintrc"):
-            return config_file
-
-    return None
-
-
 PYLINTRC = find_pylintrc()

pylint/config/find_default_config_files.py

@@ -3,6 +3,7 @@
 
 import configparser
 import os
+from typing import Iterator, Optional
 
 import toml
 from toml import TomlDecodeError
@@ -30,7 +31,7 @@ def _cfg_has_config(path):
     return any(section.startswith("pylint.") for section in parser.sections())
 
 
-def find_default_config_files():
+def find_default_config_files() -> Iterator[str]:
     """Find all possible config files."""
     rc_names = ("pylintrc", ".pylintrc")
     config_names = rc_names + ("pyproject.toml", "setup.cfg")
@@ -67,3 +68,11 @@ def find_default_config_files():
 
     if os.path.isfile("/etc/pylintrc"):
         yield "/etc/pylintrc"
+
+
+def find_pylintrc() -> Optional[str]:
+    """search the pylint rc file and return its path if it find it, else None"""
+    for config_file in find_default_config_files():
+        if config_file.endswith("pylintrc"):
+            return config_file
+    return None