diff --git a/Lib/modulefinder.py b/Lib/modulefinder.py
--- a/Lib/modulefinder.py
+++ b/Lib/modulefinder.py
@@ -67,7 +67,8 @@ class Module:
 
 class ModuleFinder:
 
-    def __init__(self, path=None, debug=0, excludes=[], replace_paths=[]):
+    def __init__(self, path=None, debug=0, excludes=[], replace_paths=[],
+                 recurse=True):
         if path is None:
             path = sys.path
         self.path = path
@@ -78,6 +79,7 @@ class ModuleFinder:
         self.excludes = excludes
         self.replace_paths = replace_paths
         self.processed_paths = []   # Used in debugging only
+        self.recurse = recurse
 
     def msg(self, level, str, *args):
         if level <= self.debug:
@@ -432,9 +434,10 @@ class ModuleFinder:
                 # We don't expect anything else from the generator.
                 raise RuntimeError(what)
 
-        for c in co.co_consts:
-            if isinstance(c, type(co)):
-                self.scan_code(c, m)
+        if self.recurse:
+            for c in co.co_consts:
+                if isinstance(c, type(co)):
+                    self.scan_code(c, m)
 
     def load_package(self, fqname, pathname):
         self.msgin(2, "load_package", fqname, pathname)
diff --git a/Lib/test/test_modulefinder.py b/Lib/test/test_modulefinder.py
--- a/Lib/test/test_modulefinder.py
+++ b/Lib/test/test_modulefinder.py
@@ -196,6 +196,21 @@ a/module.py
                                 from . import bar
 """]
 
+non_recursive_import_test_1 = [
+    "a",
+    ["a", "b"],
+    [],
+    [],
+    """\
+a.py
+                                import b
+b.py
+                                import c
+c.py
+                                import sys
+"""]
+
+
 
 def open_file(path):
     dirname = os.path.dirname(path)
@@ -223,11 +238,11 @@ def create_package(source):
 
 
 class ModuleFinderTest(unittest.TestCase):
-    def _do_test(self, info, report=False):
+    def _do_test(self, info, report=False, **kwargs):
         import_this, modules, missing, maybe_missing, source = info
         create_package(source)
         try:
-            mf = modulefinder.ModuleFinder(path=TEST_PATH)
+            mf = modulefinder.ModuleFinder(path=TEST_PATH, **kwargs)
             mf.import_hook(import_this)
             if report:
                 mf.report()
@@ -273,6 +288,9 @@ class ModuleFinderTest(unittest.TestCase
     def test_relative_imports_3(self):
         self._do_test(relative_import_test_3)
 
+    def test_non_recursive_1(self):
+        self._do_test(non_recursive_import_test_1, recurse=False, debug=10)
+
 
 def test_main():
     support.run_unittest(ModuleFinderTest)