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37 lines
1.5 KiB
Python
37 lines
1.5 KiB
Python
# SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Script for checking the compatibility of the Python interpreter with ESP-IDF.
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#
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# There are related tools/detect_python.{sh,fish} scripts which are called earlier when the paths are not properly
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# set-up and they only intend to prefer the use of Python 3 over Python 2. Why not more? All possible executables
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# (python3.6, python3.7, ...) cannot be hardcoded there and at the end, the user is responsible to set-up a system
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# where "python" or "python3" of compatible version is available.
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import sys
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try:
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# Python 2 is not supported anymore but still the old way of typing is used here in order to give a nice Python
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# version failure and not a typing exception.
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from typing import Iterable
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except ImportError:
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pass
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OLDEST_PYTHON_SUPPORTED = (3, 6) # keep it as tuple for comparison with sys.version_info
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def _ver_to_str(it): # type: (Iterable) -> str
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return '.'.join(str(x) for x in it)
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def is_supported(): # type: () -> bool
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return sys.version_info[:2] >= OLDEST_PYTHON_SUPPORTED[:2]
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def check(): # type: () -> None
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if not is_supported():
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raise RuntimeError('ESP-IDF supports Python {} or newer but you are using Python {}. Please upgrade your '
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'installation as described in the documentation.'.format(_ver_to_str(OLDEST_PYTHON_SUPPORTED),
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_ver_to_str(sys.version_info[:3])))
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