Add python-experimental-openapiv3-sample (#4992)

Add python-experimental-openapiv3-sample

Add missing files for the Python samples

Add python-experimental-petstore.bat for openapi v3

Add python-experimental samples openapi v3

Add python-experimental samples openapi v3

Add python-experimental samples openapi v3. Address review comments

add missing files for test purpose

fix python formatting issues

fix python formatting issues

fix python formatting issues

Fix unit tests

fix python formatting issues

fix python formatting issues

fix python formatting issues

fix 'line too long' pep8 error

address PR comments for pep8 'line too long' problem

regenerate samples

execute samples scripts

dummy commit to retrigger circleci

Revert dummy commit, it didn't help.

samples/openapi3/client/petstore/python-experimental/setup.py

@@ -0,0 +1,43 @@
+# coding: utf-8
+
+"""
+    OpenAPI Petstore
+
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \" \\  # noqa: E501
+
+    The version of the OpenAPI document: 1.0.0
+    Generated by: https://openapi-generator.tech
+"""
+
+
+from setuptools import setup, find_packages  # noqa: H301
+
+NAME = "petstore-api"
+VERSION = "1.0.0"
+# To install the library, run the following
+#
+# python setup.py install
+#
+# prerequisite: setuptools
+# http://pypi.python.org/pypi/setuptools
+
+REQUIRES = ["urllib3 >= 1.15", "six >= 1.10", "certifi", "python-dateutil"]
+EXTRAS = {':python_version <= "2.7"': ['future']}
+
+setup(
+    name=NAME,
+    version=VERSION,
+    description="OpenAPI Petstore",
+    author="OpenAPI Generator community",
+    author_email="team@openapitools.org",
+    url="",
+    keywords=["OpenAPI", "OpenAPI-Generator", "OpenAPI Petstore"],
+    install_requires=REQUIRES,
+    extras_require=EXTRAS,
+    packages=find_packages(exclude=["test", "tests"]),
+    include_package_data=True,
+    license="Apache-2.0",
+    long_description="""\
+    This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \&quot; \\  # noqa: E501
+    """
+)