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simple percent or count progress bar
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| #!/usr/bin/env python | |
| # -*- coding: utf-8 -*- | |
| import sys | |
| import time | |
| __all__ = ['Progress'] | |
| class Progress(object): | |
| def __init__(self, total = None, name = "Progress", | |
| interval = 3000, percent = True, status = 'initializing'): | |
| self.status = status | |
| self.name = name | |
| self.interval = interval | |
| self.set_total(total) | |
| self.done = 0 | |
| self.percent = percent | |
| self.in_ipython() | |
| self.last_updated = time.time() | |
| self.start_time = time.time() | |
| self.min_update_interval = 0.0 \ | |
| if not self.ipython or self.ipython == 'terminal' \ | |
| else 1.0 | |
| sys.stdout.write("\r"+" "*200) | |
| if self.percent: | |
| sys.stdout.write("\r\t:: %s: %s 0.00%%" % \ | |
| (self.name, '%s,'%self.status)) | |
| else: | |
| self.total = int(self.total) | |
| sys.stdout.write("\r\t:: %s: %s 0/%u" % \ | |
| (self.name, '%s,'%self.status, self.total)) | |
| sys.stdout.flush() | |
| def step(self, step = 1, msg = None, status = 'working on it', force = False): | |
| self.status = status | |
| self.done += step | |
| if force or (self.done % self.interval < 1.0 and \ | |
| time.time() - self.last_updated > self.min_update_interval): | |
| sys.stdout.write("\r"+" "*200) | |
| if self.percent: | |
| sys.stdout.write( | |
| "\r\t:: %s: %s %.2f%% %s" % ( | |
| self.name, | |
| '' if self.status is None else'%s,'%self.status, | |
| float(self.done)/float(self.total)*100.0, | |
| '' if msg is None else '[%s]'%msg)) | |
| else: | |
| sys.stdout.write( | |
| "\r\t:: %s: %s %u/%u %s" % ( | |
| self.name, '%s,'%self.status, self.done, self.total, | |
| '' if msg is None else '[%s]'%msg)) | |
| sys.stdout.flush() | |
| self.last_updated = time.time() | |
| def set_total(self, total): | |
| self.total = total or 9999999999.0 | |
| def set_done(self, done): | |
| self.done = done | |
| def set_status(self, status): | |
| #if self.ipython == 'notebook': | |
| # status = '%s; progress indicator disabled in IPython notebook.' % status | |
| self.step(step = 0, status = status, force = True) | |
| def terminate(self, status = 'finished'): | |
| self.finished_time = time.time() | |
| self.seconds_elapsed = self.finished_time - self.start_time | |
| m, s = divmod(self.seconds_elapsed, 60) | |
| h, m = divmod(m, 60) | |
| self.time_elapsed = "%d:%02d:%02d" % (h, m, s) | |
| sys.stdout.write("\r"+" "*200) | |
| self.status = status | |
| if self.percent: | |
| sys.stdout.write("\r\t:: %s: %s 100.0%% [%s elapsed]" % \ | |
| (self.name, '%s,'%self.status, self.time_elapsed)) | |
| else: | |
| sys.stdout.write("\r\t:: %s: %s %u/%u [%s elapsed]" % (\ | |
| self.name, | |
| '%s,'%self.status, | |
| self.total, | |
| self.total, | |
| self.time_elapsed) | |
| ) | |
| sys.stdout.write("\n") | |
| sys.stdout.flush() | |
| self.last_updated = time.time() | |
| def in_ipython(self): | |
| self.ipython = False | |
| if 'ipykernel' in sys.modules: | |
| self.ipython = 'notebook' | |
| elif 'Ipython' in sys.modules: | |
| self.ipython = 'terminal' |
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