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29 lines
1.0 KiB
Python
29 lines
1.0 KiB
Python
4 years ago
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from __future__ import absolute_import, unicode_literals
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from ..py_info import PythonInfo
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from ..py_spec import PythonSpec
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from .pep514 import discover_pythons
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class Pep514PythonInfo(PythonInfo):
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""""""
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def propose_interpreters(spec, cache_dir):
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# see if PEP-514 entries are good
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# start with higher python versions in an effort to use the latest version available
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existing = list(discover_pythons())
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existing.sort(key=lambda i: tuple(-1 if j is None else j for j in i[1:4]), reverse=True)
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for name, major, minor, arch, exe, _ in existing:
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# pre-filter
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if name in ("PythonCore", "ContinuumAnalytics"):
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name = "CPython"
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registry_spec = PythonSpec(None, name, major, minor, None, arch, exe)
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if registry_spec.satisfies(spec):
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interpreter = Pep514PythonInfo.from_exe(exe, cache_dir, raise_on_error=False)
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if interpreter is not None:
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if interpreter.satisfies(spec, impl_must_match=True):
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yield interpreter
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