| 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() |
|
|
