in app.py [0:0]
def get_redirect_uri(request):
"""Return OAuth redirect URI."""
parsed_url = urlparse(request.url)
if parsed_url.hostname == 'localhost':
return 'http://{hostname}:{port}/submit'.format(
hostname=parsed_url.hostname, port=parsed_url.port
)
return 'https://{hostname}/submit'.format(hostname=parsed_url.hostname)