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It must be reset to point to %srZ )ru r �readlinkr r rq r )r+ �debian_defaultr r r rj � s � rj c C s� t � d }t| �}tdd�}t|�dkrH|d �|�}g }|D ]}|�|� q z|�|�tdd � ��}W n d}Y |� � |rG|�|� nt d��|sRt d��|rV|S d d � |D �S ) NTr* r0 r/ rZ r z/No supported python3 versions in version stringzempty set of versionsc S s g | ]}d | �qS r r r[ r r r r � rW z&requested_versions.<locals>.<listcomp>) rj rR r= r6 � intersectionrw rs rt ru rv r )rF r+ r/ rH � supported�vlr& r} r r r �requested_versions� s, �r� c sN dd l }t� � � fdd�|� d�|� d� D �}|�� | r%dd� |D �S |S )Nr c s( g | ]}t j�|�� v rt j�|��qS r )r r �basenamerU �r� r r r � s �z&installed_versions.<locals>.<listcomp>z/usr/bin/python3.[0-9]z/usr/bin/python3.[0-9][0-9]c S rX rY r r[ r r r r � r\ )�globr= rv )r+ r� r/ r r� r �installed_versions� s �r� c @ � e Zd ZdS )�ControlFileValueErrorN��__name__� __module__� __qualname__r r r r r� � � r� c @ r� )�MissingVersionValueErrorNr� r r r r r� � r� r� c C s� d}d}d}t | dd��}dd� |D �}W d � n1 s w Y |D ]>}|dkr8|dkr8|dkr5 n/d}q%|�d�r@d}q%|�d | �rJ|}q%|�� �d �rc|dkrYtd ��|�d d �d �� }q%|du rltd��|dkrz|du rxtd��|S |S )zFread the debian/control file, extract the X-Python3-Version field.Nzutf-8)�encodingc S rT r r )r r| r r r r � rW z/extract_pyversion_attribute.<locals>.<listcomp>r �SourcezSource:z Package: zx-python3-version:z1attribute X-Python3-Version not in Source sectionrh r0 znot a control filez$no X-Python3-Version in control file)r rr �lowerr r% r r� r� )�fn�pkgr& �sversion�section� controlfile�linesr| r r r �extract_pyversion_attribute� s6 � �r� c C s� ddl m} d} | |d�}|jddddd d � |jd d d ddd � |jdddddd � |jdddddd � |jddddddd � |�� \}}tj�tjd �}|j r�t |�dkr�z t t |j �� W d S ty� } zt d | |� t�d � W Y d }~d S d }~ww |jr�t |�dkr�t d �t|j ��� d S |jr�t |�dkr�t d �t|j ��� d S |j�r>t |�d k�r>t |�dkr�d }n|d }zUtj�|��r |}z t|d!�} t| |j �} W n4 ty� tj�d"||f � t�d � Y n t �y tj�d#| � t|j �} Y nw t||j �} t d �| �� W d S t�y= } ztj�d$||f � t�d � W Y d }~d S d }~ww tj�d%||f � t�d � d S )&Nr )� OptionParserz;[-v] [-h] [-d|--default] [-s|--supported] [-i|--installed] )�usagez-dz --defaultz!print the default python3 version� store_truer} )�help�action�destz-sz --supportedz$print the supported python3 versionsr� z-rz --requestedz�print the python3 versions requested by a build; the argument is either the name of a control file or the value of the X-Python3-Version attribute� requestedz-iz --installedz.print the installed supported python3 versions� installedz-vz --versionz print just the version number(s)Fr+ )r� r} r� r� z%s:r0 rg zdebian/controlr� z %s: not a control file: %s, zC%s: no X-Python3-Version in control file, using supported versions z%s: %s z usage: %s %s ) �optparser� � add_option� parse_argsr r r� �sys�argvr} r6 �printrj r+ r �exitr� rq r= r� r� r� �isfiler� r� r� �stderr�writer� ) r� r� �parser�opts�args�program�msgr/ r� rF �vsr r r �main s� ����� �� ��� ��r� �__main__r )F)r r? r� r r] ra �environr r% rk ru r r' rR r_ rb r= rj r� r� r r� r� r� r� r� r r r r �<module> s6 � + ! 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