suppress_stdout.py

import contextlib
import os
import sys

# Suppress stdout http://stackoverflow.com/a/17753573
class DummyFile(object):
    def write(self, x): pass
@contextlib.contextmanager
def no_stdout(std_channel, dest_filename):
    old_std_channel = os.dup(std_channel.fileno())
    dest_file = open(dest_filename, 'a')
    os.dup2(dest_file.fileno(), std_channel.fileno())
    yield
    os.dup2(old_std_channel, std_channel.fileno())
    dest_file.close()

with no_stdout(sys.stdout, 'file.txt'):
    me_nlp = ME_NLP1(me, growth_key='mu')
    muopt, basis, _, _ = me_nlp.bisectmu(precision=1e-6)
    
with no_stdout(sys.stdout, os.devnull):
    me_nlp = ME_NLP1(me, growth_key='mu')
    muopt, basis, _, _ = me_nlp.bisectmu(precision=1e-6)