Create s3 directory wrapper

Author: meyertst-aws

.doc_gen/metadata/s3-directory-buckets_metadata.yaml

@@ -391,6 +391,21 @@ s3-directory-buckets_UploadPart:
   services:
     s3-directory-buckets: {UploadPart}
 
+s3-directory-buckets_CreateSession:
+  languages:
+    Python:
+      versions:
+        - sdk_version: 3
+          github: python/example_code/s3-directory-buckets
+          sdkguide:
+          excerpts:
+            - description:
+              snippet_tags:
+                - python.example_code.s3_directory.S3ExpressWrapper.decl
+                - python.example_code.s3_directory.CreateSession
+  services:
+    s3-directory-buckets: {CreateSession}
+
 s3-directory-buckets_Scenario_ExpressBasics:
   synopsis_list:
     - Set up a VPC and VPC Endpoint.

python/demo_tools/question.py

@@ -6,6 +6,7 @@
 and converts input, and returns answers.
 """
 
+import re
 
 # snippet-start:[python.demo_tools.Question]
 def ask(question, *validators):
@@ -101,5 +102,18 @@ def _validate(answer):
 
     return _validate
 
+def re_match(pattern):
+    """
+    Validate that the answer matches a regular expression.
+    :return: The answer, if it is a match; otherwise, None.
+    """
+
+    def _validate(answer):
+        return (
+            answer if re.match(pattern, answer) is not None else None,
+            f"{answer} must match the regular expression {pattern}.",
+        )
+
+    return _validate
 
 # snippet-end:[python.demo_tools.Question]