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#!/usr/bin/env python
# coding=utf-8
"""
This example shows how to apply a filter function to the captured output
of a run. This is often useful when using progress bars or similar in the text
UI and you don't want to store formatting characters like backspaces and
linefeeds in the database.
from __future__ import division, print_function, unicode_literals
import sys
import time
from sacred import Experiment
from sacred.utils import apply_backspaces_and_linefeeds
ex = Experiment('progress')
# try commenting out the line below to see the difference in captured output
ex.captured_out_filter = apply_backspaces_and_linefeeds
def write_and_flush(*args):
for arg in args:
sys.stdout.write(arg)
sys.stdout.flush()
class ProgressMonitor(object):
def __init__(self, count):
self.count, self.progress = count, 0
def show(self, n=1):
self.progress += n
text = 'Completed {}/{} tasks'.format(self.progress, self.count)
write_and_flush('\b' * 80, '\r', text)
def done(self):
write_and_flush('\n')
def progress(items):
p = ProgressMonitor(len(items))
for item in items:
yield item
p.show()
p.done()
@ex.main
def main():
for item in progress(range(100)):
time.sleep(0.05)
if __name__ == '__main__':
run = ex.run_commandline()
print('=' * 80)
print('Captured output: ', repr(run.captured_out))
IDSIA /
sacred
