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Use contextlib.nullcontext (Python 3.7+)

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Roman Zeyde
2024-12-12 18:51:09 +02:00
parent 451551d37e
commit 297c66c284
1 changed files with 4 additions and 11 deletions
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15
amodem/__main__.py
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@@ -1,6 +1,7 @@
#!/usr/bin/env python #!/usr/bin/env python
# PYTHON_ARGCOMPLETE_OK # PYTHON_ARGCOMPLETE_OK
import argparse import argparse
import contextlib
import logging import logging
import os import os
import sys import sys
@@ -183,14 +184,6 @@ def create_parser(description, interface_factory):
return p return p
class _Dummy:
def __enter__(self):
return self
def __exit__(self, *args):
pass
def _version(): def _version():
return pkg_resources.require('amodem')[0].version return pkg_resources.require('amodem')[0].version
@@ -240,11 +233,11 @@ def _main():
from . import alsa # pylint: disable=import-outside-toplevel from . import alsa # pylint: disable=import-outside-toplevel
interface = alsa.Interface(config) interface = alsa.Interface(config)
elif args.audio_library == '-': elif args.audio_library == '-':
interface = _Dummy() # manually disable PortAudio interface = contextlib.nullcontext() # manually disable PortAudio
elif args.command == 'send' and args.output is not None: elif args.command == 'send' and args.output is not None:
interface = _Dummy() # redirected output interface = contextlib.nullcontext() # redirected output
elif args.command == 'recv' and args.input is not None: elif args.command == 'recv' and args.input is not None:
interface = _Dummy() # redirected input interface = contextlib.nullcontext() # redirected input
else: else:
interface = audio.Interface(config) interface = audio.Interface(config)
interface.load(args.audio_library) interface.load(args.audio_library)