progress2.py

# Standard library imports
from time import time


# Third-party imports
from humanfriendly import format_timespan


class Progress:
	def __init__(self, total):
		self.started_at = time()
		self.total = total
		self.current = 0

	def step(self):
		self.current += 1
		seconds_passed = time() - self.started_at
		percent = int(round(self.current / self.total, 2) * 100)
		progress = round(percent * 0.5)
		eta = format_timespan(round((seconds_passed / self.current) * (self.total - self.current)))
		print('[{}{}] {}% ({}/{}) ETA {}'.format('#' * progress, ' ' * (50 - progress), percent, self.current, self.total, eta))