Fix: fileno error google colab (#729) (#1156)

Instead of using a devnull just made a dummy class with a 'write()' method that does nothing.
This commit is contained in:
Dulsara 2024-02-02 22:35:46 +05:30 committed by GitHub
parent 8a5911bd5d
commit bebfba0f08
No known key found for this signature in database
GPG key ID: B5690EEEBB952194

View file

@ -4,9 +4,9 @@ import sys
import sys
from typing import Any, Dict
# Avoid "LookupError: unknown encoding: ascii" when open() called in a destructor
outnull_file = open(os.devnull, "w")
errnull_file = open(os.devnull, "w")
class NullDevice():
def write(self, s):
pass
class suppress_stdout_stderr(object):
# NOTE: these must be "saved" here to avoid exceptions when using
@ -21,42 +21,20 @@ class suppress_stdout_stderr(object):
def __enter__(self):
if self.disable:
return self
# Check if sys.stdout and sys.stderr have fileno method
if not hasattr(self.sys.stdout, 'fileno') or not hasattr(self.sys.stderr, 'fileno'):
return self # Return the instance without making changes
self.old_stdout_fileno_undup = self.sys.stdout.fileno()
self.old_stderr_fileno_undup = self.sys.stderr.fileno()
self.old_stdout_fileno = self.os.dup(self.old_stdout_fileno_undup)
self.old_stderr_fileno = self.os.dup(self.old_stderr_fileno_undup)
self.old_stdout = self.sys.stdout
self.old_stderr = self.sys.stderr
self.os.dup2(outnull_file.fileno(), self.old_stdout_fileno_undup)
self.os.dup2(errnull_file.fileno(), self.old_stderr_fileno_undup)
self.sys.stdout = outnull_file
self.sys.stderr = errnull_file
self.sys.stdout = NullDevice()
self.sys.stderr = NullDevice()
return self
def __exit__(self, *_):
if self.disable:
return
# Check if sys.stdout and sys.stderr have fileno method
if hasattr(self.sys.stdout, 'fileno') and hasattr(self.sys.stderr, 'fileno'):
self.sys.stdout = self.old_stdout
self.sys.stderr = self.old_stderr
self.os.dup2(self.old_stdout_fileno, self.old_stdout_fileno_undup)
self.os.dup2(self.old_stderr_fileno, self.old_stderr_fileno_undup)
self.os.close(self.old_stdout_fileno)
self.os.close(self.old_stderr_fileno)
class MetaSingleton(type):
"""