Moved walk_up to utils

2 files changed, 24 insertions, 23 deletions

diff --git a/pylint/config.py b/pylint/config.py
index 077bbf9c9..3826704ae 100644
--- a/pylint/config.py
+++ b/pylint/config.py
@@ -98,27 +98,6 @@ def save_results(results, base):
         print("Unable to create file %s: %s" % (data_file, ex), file=sys.stderr)
 
 
-# TODO: Put into utils
-def walk_up(from_dir):
-    """Walk up a directory tree
-    :param from_dir: The directory to walk up from.
-        This directory is included in the output.
-    :type from_dir: str
-    :returns: Each parent directory
-    :rtype: generator(str)
-    """
-    cur_dir = None
-    new_dir = os.path.expanduser(from_dir)
-    new_dir = os.path.abspath(new_dir)
-
-    # The parent of the root directory is the root directory.
-    # Once we have reached it, we are done.
-    while cur_dir != new_dir:
-        cur_dir = new_dir
-        yield cur_dir
-        new_dir = os.path.abspath(os.path.join(cur_dir, os.pardir))
-
-
 def find_pylintrc_in(search_dir):
     """Find a pylintrc file in the given directory.
     :param search_dir: The directory to search.
@@ -150,7 +129,7 @@ def find_nearby_pylintrc(search_dir=""):
     path = find_pylintrc_in(search_dir)
 
     if not path:
-        for search_dir in walk_up(search_dir):
+        for search_dir in utils.walk_up(search_dir):
             if not os.path.isfile(os.path.join(search_dir, "__init__.py")):
                 break
             path = find_pylintrc_in(search_dir)
@@ -814,7 +793,7 @@ class ConfigurationStore(object):
         :returns: The config objects for all parent directories.
         :rtype: generator(Configuration)
         """
-        for cfg_dir in walk_up(path):
+        for cfg_dir in utils.walk_up(path):
             if cfg_dir in self._cache:
                 yield self._cache[cfg_dir]
                 break
diff --git a/pylint/utils.py b/pylint/utils.py
index 9d6283577..3f71cba67 100644
--- a/pylint/utils.py
+++ b/pylint/utils.py
@@ -1540,3 +1540,25 @@ def _rest_format_section(stream, section, options, doc=None):
             value = str(_format_option_value(optdict, value))
             print(file=stream)
             print("  Default: ``%s``" % value.replace("`` ", "```` ``"), file=stream)
+
+
+def walk_up(from_dir):
+    """Walk up a directory tree
+
+    :param from_dir: The directory to walk up from.
+        This directory is included in the output.
+    :type from_dir: str
+
+    :returns: Each parent directory
+    :rtype: generator(str)
+    """
+    cur_dir = None
+    new_dir = os.path.expanduser(from_dir)
+    new_dir = os.path.abspath(new_dir)
+
+    # The parent of the root directory is the root directory.
+    # Once we have reached it, we are done.
+    while cur_dir != new_dir:
+        cur_dir = new_dir
+        yield cur_dir
+        new_dir = os.path.abspath(os.path.join(cur_dir, os.pardir))