No configuration found when is used with git hook

flake8_isort.py

@@ -35,8 +35,9 @@ class Flake8Isort(object):
 
     config_file = None
 
-    def __init__(self, tree, filename):
+    def __init__(self, tree, filename, search_current=True):
         self.filename = filename
+        self.search_current = search_current
 
     @classmethod
     def add_options(cls, parser):
@@ -98,6 +99,27 @@ def search_isort_config(self):
                 if 'isort' in config.sections():
                     return True
 
+        if self.search_current:
+            return self.search_isort_config_at_current()
+
+        return False
+
+    def search_isort_config_at_current(self):
+        """Search for isort configuration at current directory
+        """
+        isort_file = '{0}{1}.isort.cfg'.format(os.path.realpath('.'), os.sep)
+        if os.path.exists(isort_file):
+            return True
+
+        # If the setup file exists and has an "isort" section,
+        # then we've found the configuration.
+        setup_file = '{0}{1}setup.cfg'.format(os.path.realpath('.'), os.sep)
+        if os.path.exists(setup_file):
+            config = ConfigParser()
+            config.read(setup_file)
+            if 'isort' in config.sections():
+                return True
+
         return False
 
     def sortimports_linenum_msg(self, sort_result):

run_tests.py

@@ -205,7 +205,7 @@ def test_isortcfg_not_found(self):
         os.remove(isortcfg_path)
 
         with OutputCapture():
-            checker = Flake8Isort(None, file_path)
+            checker = Flake8Isort(None, file_path, search_current=False)
             checker.config_file = True
             ret = list(checker.run())
             self.assertEqual(len(ret), 1)