qiskit.aqua.missing_optional_library_error의 소스 코드

# This code is part of Qiskit.
# (C) Copyright IBM 2020.
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.

"""Exception for errors raised by Optional Missing Libraries."""

from typing import Optional
from .aqua_error import AquaError

[문서]class MissingOptionalLibraryError(AquaError): """Raised when an optional library is missing.""" def __init__(self, libname: str, name: str, pip_install: Optional[str] = None, msg: Optional[str] = None) -> None: """Set the error message. Args: libname: Name of missing library name: Name of class, function, module that uses this library pip_install: pip install command, if any msg: Descriptive message, if any """ message = ["The '{}' library is required to use '{}'.".format(libname, name)] if pip_install: message.append("You can install it with '{}'.".format(pip_install)) if msg: message.append(' {}.'.format(msg)) super().__init__(' '.join(message)) self.message = ' '.join(message) def __str__(self) -> str: """Return the message.""" return repr(self.message)

© Copyright 2020, Qiskit Development Team. 최종 업데이트: 2021/02/24

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