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695e260308
E.g. for subprocess.Popen, it can be opened in `text=True` mode where it returns strings, or `text=False` where it returns bytes. To differentiate, you can annotate types as `Popen[str]` or `Popen[bytes]`. This patch should add subscripts in all the places we were missing them. Reported-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/linux-kselftest/20230315105055.9b2be0153625.I7a2cb99b95dff216c0feed4604255275e0b156a7@changeid/ Signed-off-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
48 lines
1.2 KiB
Python
48 lines
1.2 KiB
Python
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0
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#
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# Utilities for printing and coloring output.
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#
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# Copyright (C) 2022, Google LLC.
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# Author: Daniel Latypov <dlatypov@google.com>
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import datetime
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import sys
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import typing
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_RESET = '\033[0;0m'
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class Printer:
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"""Wraps a file object, providing utilities for coloring output, etc."""
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def __init__(self, output: typing.IO[str]):
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self._output = output
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self._use_color = output.isatty()
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def print(self, message: str) -> None:
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print(message, file=self._output)
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def print_with_timestamp(self, message: str) -> None:
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ts = datetime.datetime.now().strftime('%H:%M:%S')
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self.print(f'[{ts}] {message}')
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def _color(self, code: str, text: str) -> str:
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if not self._use_color:
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return text
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return code + text + _RESET
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def red(self, text: str) -> str:
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return self._color('\033[1;31m', text)
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def yellow(self, text: str) -> str:
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return self._color('\033[1;33m', text)
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def green(self, text: str) -> str:
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return self._color('\033[1;32m', text)
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def color_len(self) -> int:
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"""Returns the length of the color escape codes."""
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return len(self.red(''))
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# Provides a default instance that prints to stdout
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stdout = Printer(sys.stdout)
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