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� 2bi � �h � S r SSKrSSKrSSKrSSKrSSKrSSKrSSKrSSKrSSK J r J r J r J r Jr S\ \ S\S\\S4 4S jrS\ \ S\ \ 4S jr " S S \ 5 rS \S\ \ 4S jr\R, " 5 S\S\ \ 4S j5 rS\S\ \ 4S jr\S:X a� SSKr\R6 " 5 r \ R; S5 ( d S5 e\ " S\ 5 \ " S\" \R> 5 5 \ " SSS9 \" \R@ " SS\ RC S S 5 S 5 5 H r"\ " \"S S9 M gg) z�PEP 656 support. This module implements logic to detect if the currently running Python is linked against musl, and what musl version is used. � N)�IO�Iterator� NamedTuple�Optional�Tuple�f�fmt�return.c �t � [ R " XR [ R " U5 5 5 $ �N)�struct�unpack�read�calcsize)r r s ڒ/builddir/build/BUILDROOT/alt-python313-pip-23.3.1-3.el8.x86_64/opt/alt/python313/lib/python3.13/site-packages/pip/_vendor/packaging/_musllinux.py�_read_unpackedr s# � � �=�=��f�f�V�_�_�S�%9� :� ;�;� c � � U R S5 [ U S5 nUSS [ S5 :w a gU R [ R " S5 S5 SS S .US u p#n[ R " U6 n [ X5 u pg phn [ U S- 5 H� n U R XxU - - 5 U" [ X5 5 u p�n U S :w a M6 U R U 5 [ R " U R U 5 5 R S 5 nS U; a gUs $ g! [ R a gf = f! [ a gf = f! [ R a gf = f! [ R a gf = f)z�Detect musl libc location by parsing the Python executable. Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html r �16BN� s ELF�HHI� )�IIIIHHH�IIIIIIII)r r r )�QQQIHHH�IIQQQQQQ)r � � )r r � � �musl)�seekr r �error�tupler �operator� itemgetter�KeyError�range�os�fsdecoder �strip)r �ident�e_fmt�p_fmt�p_idx�p_get�_�e_phoff� e_phentsize�e_phnum�i�p_type�p_offset�p_filesz� interpreters r �_parse_ld_musl_from_elfr: s� � � �F�F�1�I�� �q�%�(�� �R�a�y�E�*�%�%���F�F�6�?�?�5� !�1�%� ,� 2�1� � ��(� ���e� �#�#�U�+���4B�1�4L�1��A�q�!�'� �7�Q�;� �� ���w�q� �(�)� �).�~�a�/G�)H� &�F�h� �Q�;� � ���x���k�k�!�&�&��"2�3�9�9�$�?� � �� $���� � ��K �<�<� ���� � ���� �<�<� ���� �|�|� �� �sG � D$ �D> �;E �4E(�$D;�:D;�> E � E �E%�$E%�(F �?F c �* � \ rS rSr% \\S' \\S' Srg)� _MuslVersion�G �major�minor� N)�__name__� __module__� __qualname__�__firstlineno__�int�__annotations__�__static_attributes__r@ r r r< r< G s � � �J� �Jr r< �outputc �Z � S U R 5 5 Vs/ s H o( d M UPM nn[ U5 S: d US S S S:w a g [ R " SUS 5 nU( d g [ [ UR S5 5 [ UR S5 5 S9$ s snf ) Nc 3 �@ # � U H oR 5 v � M g 7fr )r+ )�.0�ns r � <genexpr>�&_parse_musl_version.<locals>.<genexpr>M s � � �@�,?�q�����,?�s � r r r r! zVersion (\d+)\.(\d+)r )r> r? )� splitlines�len�re�matchr< rE �group)rH rL �lines�ms r �_parse_musl_versionrV L s� � �@�F�,=�,=�,?�@� F�@�1�A�Q�@�E� F� �5�z�A�~��q��"�1� ��/�� ���(�%��(�3�A� �� �c�!�'�'�!�*�o�S������_� E�E�� Gs � B(�B(� executablec �b � [ R " 5 n UR [ U S5 5 n[ U5 nSSS5 W( d g[ R " U/[ R SS9n[ UR 5 $ ! [ a SSS5 gf = f! , ( d f Nh= f)aD Detect currently-running musl runtime version. This is done by checking the specified executable's dynamic linking information, and invoking the loader to parse its output for a version string. If the loader is musl, the output would be something like:: musl libc (x86_64) Version 1.2.2 Dynamic Program Loader �rbNT)�stderr�universal_newlines) � contextlib� ExitStack� enter_context�open�OSErrorr: � subprocess�run�PIPErV rZ )rW �stackr �ld�procs r �_get_musl_versionrg V s� � � � � � �5� ��#�#�D��T�$:�;�A� %�Q� '�� � �� �>�>�2�$�z���4� P�D� �t�{�{� +�+�� � �� � � �� � �s- �B �B� B � B �B � B � B � B.�archc # � # � [ [ R 5 nUc g[ UR SS5 H nSUR SU SU 3v � M g7f)a@ Generate musllinux tags compatible to the current platform. :param arch: Should be the part of platform tag after the ``linux_`` prefix, e.g. ``x86_64``. The ``linux_`` prefix is assumed as a prerequisite for the current platform to be musllinux-compatible. :returns: An iterator of compatible musllinux tags. N���� musllinux_r1 )rg �sysrW r( r? r> )rh �sys_muslr? s r � platform_tagsrn n sS � � � !�� � �0�H�����x�~�~�r�2�.���8�>�>�*�!�E�7�!�D�6�:�:� /�s �AA�__main__zlinux-z not linuxzplat:zmusl:ztags:� )�endz[.-]r1 �-r rj z )#�__doc__r\ � functoolsr% r) rQ r ra rl �typingr r r r r �bytes�strrE r r: r< rV � lru_cacherg rn rA � sysconfig� get_platform�plat� startswith�printrW �sub�split�tr@ r r �<module>r� ss ��� � � � � � � � � <� <�<�b��i� <�c� <�e�C��H�o� <�.�r�%�y� .�X�c�]� .�b�:� � F�� F�� �(>� F� ����,�#� ,�(�<�*@� ,� �,�. ;�� ;��� � ;� �z��� � !� !� #�D� �?�?�8� $� $�1�k�1� $� �'�4�� �'�$�S�^�^�4�5� �'�s�� �2�6�6�'�3�� � �3��0B�2�0F�G� H�� �a�Z� � I� r
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