How to detect if a pipe is attached to stdout

This can be detected using isatty.

import sys

if sys.stdout.isatty():
    # You're running in a real terminal
else:
    # You're being piped or redirected

Example and solution from StackOverflow.

Resources and References

• Python: sys.stdout.isatty()
• StackOverflow: “How do I detect whether sys.stdout is attached to terminal or not?”