test_progress.py

# Usage: python test_progress.py progress.bar.IncrementalBar
import importlib
import sys
import time
mod_name, __, cls_name = sys.argv[1].rpartition('.')
mod = importlib.import_module(mod_name)
cls = getattr(mod, cls_name)
try:
    progress = cls(max=100)
    for x in range(100):
        time.sleep(0.1)
        progress.next()
finally:
    progress.finish()