Create a file for find_default_config_files

3 files changed, 65 insertions, 57 deletions

diff --git a/.isort.cfg b/.isort.cfg
index 32dfac06e..c4ae79c5e 100644
--- a/.isort.cfg
+++ b/.isort.cfg
@@ -1,7 +1,7 @@
 [settings]
 multi_line_output=3
 line_length=88
-known_third_party=astroid, sphinx, isort, pytest, mccabe, six,
+known_third_party=astroid, sphinx, isort, pytest, mccabe, six, toml
 include_trailing_comma=True
 skip_glob=tests/functional/**,tests/input/**,tests/extensions/data/**,tests/regrtest_data/**,tests/data/**,astroid/**,venv/**
 project=pylint
diff --git a/pylint/config/__init__.py b/pylint/config/__init__.py
index 452ec3dfc..6bb118cac 100644
--- a/pylint/config/__init__.py
+++ b/pylint/config/__init__.py
@@ -54,6 +54,7 @@ from typing import Any, Dict, Tuple
 import toml
 
 from pylint import utils
+from pylint.config.find_default_config_files import find_default_config_files
 
 USER_HOME = os.path.expanduser("~")
 if "PYLINTHOME" in os.environ:
@@ -94,62 +95,6 @@ def save_results(results, base):
         print("Unable to create file %s: %s" % (data_file, ex), file=sys.stderr)
 
 
-def _toml_has_config(path):
-    with open(path) as toml_handle:
-        content = toml.load(toml_handle)
-        try:
-            content["tool"]["pylint"]
-        except KeyError:
-            return False
-
-    return True
-
-
-def _cfg_has_config(path):
-    parser = configparser.ConfigParser()
-    parser.read(path)
-    return any(section.startswith("pylint.") for section in parser.sections())
-
-
-def find_default_config_files():
-    """Find all possible config files."""
-    rc_names = ("pylintrc", ".pylintrc")
-    config_names = rc_names + ("pyproject.toml", "setup.cfg")
-    for config_name in config_names:
-        if os.path.isfile(config_name):
-            if config_name.endswith(".toml") and not _toml_has_config(config_name):
-                continue
-            if config_name.endswith(".cfg") and not _cfg_has_config(config_name):
-                continue
-
-            yield os.path.abspath(config_name)
-
-    if os.path.isfile("__init__.py"):
-        curdir = os.path.abspath(os.getcwd())
-        while os.path.isfile(os.path.join(curdir, "__init__.py")):
-            curdir = os.path.abspath(os.path.join(curdir, ".."))
-            for rc_name in rc_names:
-                rc_path = os.path.join(curdir, rc_name)
-                if os.path.isfile(rc_path):
-                    yield rc_path
-
-    if "PYLINTRC" in os.environ and os.path.exists(os.environ["PYLINTRC"]):
-        if os.path.isfile(os.environ["PYLINTRC"]):
-            yield os.environ["PYLINTRC"]
-    else:
-        user_home = os.path.expanduser("~")
-        if user_home not in ("~", "/root"):
-            home_rc = os.path.join(user_home, ".pylintrc")
-            if os.path.isfile(home_rc):
-                yield home_rc
-            home_rc = os.path.join(user_home, ".config", "pylintrc")
-            if os.path.isfile(home_rc):
-                yield home_rc
-
-    if os.path.isfile("/etc/pylintrc"):
-        yield "/etc/pylintrc"
-
-
 def find_pylintrc():
     """search the pylint rc file and return its path if it find it, else None
     """
diff --git a/pylint/config/find_default_config_files.py b/pylint/config/find_default_config_files.py
new file mode 100644
index 000000000..92d333f0f
--- /dev/null
+++ b/pylint/config/find_default_config_files.py
@@ -0,0 +1,63 @@
+# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
+
+import configparser
+import os
+
+import toml
+
+
+def _toml_has_config(path):
+    with open(path) as toml_handle:
+        content = toml.load(toml_handle)
+        try:
+            content["tool"]["pylint"]
+        except KeyError:
+            return False
+
+    return True
+
+
+def _cfg_has_config(path):
+    parser = configparser.ConfigParser()
+    parser.read(path)
+    return any(section.startswith("pylint.") for section in parser.sections())
+
+
+def find_default_config_files():
+    """Find all possible config files."""
+    rc_names = ("pylintrc", ".pylintrc")
+    config_names = rc_names + ("pyproject.toml", "setup.cfg")
+    for config_name in config_names:
+        if os.path.isfile(config_name):
+            if config_name.endswith(".toml") and not _toml_has_config(config_name):
+                continue
+            if config_name.endswith(".cfg") and not _cfg_has_config(config_name):
+                continue
+
+            yield os.path.abspath(config_name)
+
+    if os.path.isfile("__init__.py"):
+        curdir = os.path.abspath(os.getcwd())
+        while os.path.isfile(os.path.join(curdir, "__init__.py")):
+            curdir = os.path.abspath(os.path.join(curdir, ".."))
+            for rc_name in rc_names:
+                rc_path = os.path.join(curdir, rc_name)
+                if os.path.isfile(rc_path):
+                    yield rc_path
+
+    if "PYLINTRC" in os.environ and os.path.exists(os.environ["PYLINTRC"]):
+        if os.path.isfile(os.environ["PYLINTRC"]):
+            yield os.environ["PYLINTRC"]
+    else:
+        user_home = os.path.expanduser("~")
+        if user_home not in ("~", "/root"):
+            home_rc = os.path.join(user_home, ".pylintrc")
+            if os.path.isfile(home_rc):
+                yield home_rc
+            home_rc = os.path.join(user_home, ".config", "pylintrc")
+            if os.path.isfile(home_rc):
+                yield home_rc
+
+    if os.path.isfile("/etc/pylintrc"):
+        yield "/etc/pylintrc"