Source code for gpflow.type_flags

# Copyright 2022 The GPflow Contributors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
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"""
Code for setting type hints, depending on library versions.
"""
import sys

from numpy import __version__ as np_version
from packaging.version import Version

NP_VERSION = Version(np_version)

NP_TYPE_CHECKING = False
"""
Whether to type-check numpy arrays at all. Defaults to False, because we don't know which
versions a client might use.
"""

GENERIC_NP_ARRAYS = (sys.version_info >= (3, 9)) and (NP_VERSION >= Version("1.22.0"))
"""
Whether to use generic numpy arrays. This is not applied at all, if type checking and not
`NP_TYPE_CHECKING`.
"""


[docs] def compute_mypy_flags() -> str: # pragma: no cover from mypy.version import __version__ as mypy_version MYPY_VERSION = Version(mypy_version) flags = [] def set_always(variable: str, value: bool) -> None: if value: flags.append("--always-true") else: flags.append("--always-false") flags.append(variable) set_always("NP_TYPE_CHECKING", True) set_always("GENERIC_NP_ARRAYS", NP_VERSION >= Version("1.21.0")) if MYPY_VERSION >= Version("0.940"): flags.extend(["--enable-error-code", "ignore-without-code"]) return " ".join(flags)