updated from Atlas repo

iterables/sentence_runner.py

@@ -0,0 +1,36 @@
+import doctest
+import importlib
+import glob
+
+
+TARGET_GLOB = 'sentence*.py'
+TEST_FILE = 'sentence.rst'
+TEST_MSG = '{0:16} {1.attempted:2} tests, {1.failed:2} failed - {2}'
+
+
+def main(argv):
+    verbose = '-v' in argv
+    for module_file_name in sorted(glob.glob(TARGET_GLOB)):
+        module_name = module_file_name.replace('.py', '')
+        module = importlib.import_module(module_name)
+        try:
+            cls = getattr(module, 'Sentence')
+        except AttributeError:
+            continue
+        test(cls, verbose)
+
+
+def test(cls, verbose=False):
+
+    res = doctest.testfile(
+            TEST_FILE,
+            globs={'Sentence': cls},
+            verbose=verbose,
+            optionflags=doctest.REPORT_ONLY_FIRST_FAILURE)
+    tag = 'FAIL' if res.failed else 'OK'
+    print(TEST_MSG.format(cls.__module__, res, tag))
+
+
+if __name__ == '__main__':
+    import sys
+    main(sys.argv)