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td|t|d}~ww t||} t|| |dS )zaGet a pkg_resources distribution given a wheel.
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td|d|d}~ww t |S )ziReturn the WHEEL metadata of an extracted wheel, if possible.
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wheel_data.c C sT | d }|du r t d| }z ttt|dW S ty) t d|w )zbGiven WHEEL metadata, return the parsed Wheel-Version.
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ValueError)rT version_textrA r r r r? s r? rA c C sT | d t d krtd|dtt| | t kr(tddtt| dS dS )a Raises errors or warns if called with an incompatible Wheel-Version.
pip should refuse to install a Wheel-Version that's a major series
ahead of what it's compatible with (e.g 2.0 > 1.1); and warn when
installing a version only minor version ahead (e.g 1.2 > 1.1).
version: a 2-tuple representing a Wheel-Version (Major, Minor)
name: name of wheel or package to raise exception about
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r zB{}'s Wheel-Version ({}) is not compatible with this version of piprU z*Installing from a newer Wheel-Version (%s)N)VERSION_COMPATIBLEr r6 rG rX r# loggerwarning)rA r r r r r@ s r@ )$r" logging
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