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import sys sys.__plen = len(sys.path) z� import sys new = sys.path[sys.__plen:] del sys.path[sys.__plen:] p = getattr(sys, '__egginsert', 0) sys.path[p:p] = new sys.__egginsert = p + len(new) N)r� r� r� � classmethodr� rN r� r� r7 r7 r7 r8 r� � s r� Z SETUPTOOLS_SYS_PATH_TECHNIQUE�rawZrewritec C s t tjt�rtS t�tj�� �S )z_ Return a regular expression based on first_line_re suitable for matching strings. )r� r �patternr� �re�compilerR r7 r7 r7 r8 �_first_line_re� s r c C s\ | t jt jfv r.t jdkr.t|tj� | |�S t�� \}}}|d |d d| |f f�d S )Nr� r r z %s %s) r: r� r7 r� rV r� �S_IWRITEr� r )�func�arg�exc�etZevrz r7 r7 r8 � auto_chmod� s r c C s. t | �}t|tj� |r"t|� nt|� dS )aa Fix any globally cached `dist_path` related data `dist_path` should be a path of a newly installed egg distribution (zipped or unzipped). sys.path_importer_cache contains finder objects that have been cached when importing data from the original distribution. 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Such an operation may then fail outright, e.g. report having read a 'bad local file header', or even worse, it may fail silently & return invalid data. zipimport._zip_directory_cache contains cached zip archive directory information for all existing zipimport.zipimporter instances and all such instances connected to the same archive share the same cached directory information. If asked, and the underlying Python implementation allows it, we can fix all existing zipimport.zipimporter instances instead of having to track them down and remove them one by one, by updating their shared cached zip archive directory information. This, of course, assumes that the replacement distribution is packaged as a zipped egg. If not asked to fix existing zipimport.zipimporter instances, we still do our best to clear any remaining zipimport.zipimporter related cached data that might somehow later get used when attempting to load data from the new distribution and thus cause such load operations to fail. 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N)r )r r �updaterr � old_entryZ new_entryr7 r7 r8 �_update_zipimporter_cache s r c C s t | |� d S r� )r )r r r7 r7 r8 r 8 s r c C s dd� }t | tj|d� d S )Nc S s |� � d S r� )�clear�r; r r7 r7 r8 �2clear_and_remove_cached_zip_archive_directory_data= s zf_remove_and_clear_zip_directory_cache_data.<locals>.clear_and_remove_cached_zip_archive_directory_data�r �r rj �_zip_directory_cache)r r r7 r7 r8 r < s �r Z__pypy__c C s dd� }t | tj|d� d S )Nc S s& |� � t�| � |�tj| � |S r� )r rj rk �updater r r7 r7 r8 �)replace_cached_zip_archive_directory_dataS s zT_replace_zip_directory_cache_data.<locals>.replace_cached_zip_archive_directory_datar r )r r! r7 r7 r8 r R s �r �<string>c C s2 zt | |d� W n ttfy( Y dS 0 dS dS )z%Is this string a valid Python script?�execFTN)r � SyntaxError� TypeError)rM r� r7 r7 r8 � is_pythone s r& c C s` z<t j| dd��}|�d�}W d � n1 s00 Y W n ttfyV | Y S 0 |dkS )zCDetermine if the specified executable is a .sh (contains a #! line)zlatin-1)�encodingr� N�#!)r� r� r� r� r� )r �fp�magicr7 r7 r8 �is_sho s , r+ c C s t �| g�S )z@Quote a command line argument according to Windows parsing rules�� subprocess� list2cmdline)r r7 r7 r8 � nt_quote_argy s r/ c C sH |� d�s|� d�rdS t| |�r&dS | �d�rDd| �� d �� v S dS )zMIs this text, as a whole, a Python script? 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