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iperov 2018-06-04 17:12:43 +04:00
parent 73de93b4f1
commit 6bd5a44264
71 changed files with 8448 additions and 0 deletions
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36
utils/std_utils.py Normal file
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import os
import sys
class suppress_stdout_stderr(object):
def __enter__(self):
self.outnull_file = open(os.devnull, 'w')
self.errnull_file = open(os.devnull, 'w')
self.old_stdout_fileno_undup = sys.stdout.fileno()
self.old_stderr_fileno_undup = sys.stderr.fileno()
self.old_stdout_fileno = os.dup ( sys.stdout.fileno() )
self.old_stderr_fileno = os.dup ( sys.stderr.fileno() )
self.old_stdout = sys.stdout
self.old_stderr = sys.stderr
os.dup2 ( self.outnull_file.fileno(), self.old_stdout_fileno_undup )
os.dup2 ( self.errnull_file.fileno(), self.old_stderr_fileno_undup )
sys.stdout = self.outnull_file
sys.stderr = self.errnull_file
return self
def __exit__(self, *_):
sys.stdout = self.old_stdout
sys.stderr = self.old_stderr
os.dup2 ( self.old_stdout_fileno, self.old_stdout_fileno_undup )
os.dup2 ( self.old_stderr_fileno, self.old_stderr_fileno_undup )
os.close ( self.old_stdout_fileno )
os.close ( self.old_stderr_fileno )
self.outnull_file.close()
self.errnull_file.close()