Put an f-string into a script and get python2 not to choke on it, or try catching that SyntaxError as you describe...without using eval, futures, or similar. You can't catch something that already happened.
Yes, people are able to write backwards compatible scripts... by avoiding some features, or by using more than a single file.
What I'm describing was just a desire for a very simple "this script requires python version >= X" error, with the ability to write unfettered python version X code below it, in a single file script.
Yes, people are able to write backwards compatible scripts... by avoiding some features, or by using more than a single file.
What I'm describing was just a desire for a very simple "this script requires python version >= X" error, with the ability to write unfettered python version X code below it, in a single file script.