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The logic we actually want for versions to test is "find the versions that _should_ be installable", rather than "try it and see"; the latter is susceptible to silently suppressing errors. This new form now queries PyPI to find what versions of Qiskit are available in binary distributions for this platform, and filters based on that.
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# This code is part of Qiskit. | ||
# | ||
# (C) Copyright IBM 2024. | ||
# | ||
# 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. | ||
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import json | ||
import urllib.request | ||
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import packaging.version | ||
import packaging.tags | ||
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import qiskit | ||
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def tag_from_wheel_name(wheel: str) -> packaging.tags.Tag: | ||
assert wheel.lowercase().endswith(".whl") | ||
_prefix, interpreter, abi, platform = wheel[:-4].rsplit("-", 3) | ||
tag = packaging.tags.Tag(interpreter, abi, platform) | ||
return tag | ||
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def available_versions(): | ||
"""Get all the versions of Qiskit that support exporting QPY, and are installable with the | ||
active version of Python on this platform.""" | ||
our_version = packaging.version.parse(qiskit.__version__) | ||
supported_tags = set(packaging.tags.sys_tags()) | ||
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def available_versions_for_package(package, min_version=None, max_version=None): | ||
with urllib.request.urlopen(f"https://pypi.org/pypi/{package}/json") as fd: | ||
data = json.load(fd) | ||
min_version = min_version and packaging.version.parse(min_version) | ||
max_version = max_version and packaging.version.parse(max_version) | ||
for other_version, payload in data["releases"].items(): | ||
other_version = packaging.version.parse(other_version) | ||
if min_version is not None and other_version < min_version: | ||
continue | ||
if max_version is not None and other_version >= max_version: | ||
continue | ||
if other_version > our_version or other_version.is_prerelease: | ||
continue | ||
# Note: this silently ignores versions that are uninstallable because we're using a | ||
# Python version that's too new, which can be a problem for the oldest Terras, | ||
# especially from before we built for abi3. | ||
if not any( | ||
tag_from_wheel_name(release["filename"]) in supported_tags | ||
for release in payload | ||
if release["packagetype"] == "bdist_wheel" | ||
): | ||
continue | ||
yield other_version | ||
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yield from ( | ||
("qiskit-terra", version) | ||
for version in available_versions_for_package("qiskit-terra", "0.18.0", "1.0.0") | ||
) | ||
yield from ( | ||
("qiskit", version) for version in available_versions_for_package("qiskit", "1.0.0") | ||
) | ||
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def main(): | ||
for package, version in available_versions(): | ||
print(package, version) | ||
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if __name__ == "__main__": | ||
main() |
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