B
    ãUvg“  ã               @   sh   d dl mZ d dlmZ d dlmZ d dlmZ d dlm	Z	 d dl
mZ d dlmZ G dd	„ d	eƒZd
S )é    )Úabsolute_import)Úcanonicalize_name)ÚCommand)ÚInstallationError)Úparse_requirements)Úinstall_req_from_line)Ú(protect_pip_from_modification_on_windowsc                   s4   e Zd ZdZdZdZdZ‡ fdd„Zdd„ Z‡  Z	S )	ÚUninstallCommandaB  
    Uninstall packages.

    pip is able to uninstall most installed packages. Known exceptions are:

    - Pure distutils packages installed with ``python setup.py install``, which
      leave behind no metadata to determine what files were installed.
    - Script wrappers installed by ``python setup.py develop``.
    Ú	uninstallzU
      %prog [options] <package> ...
      %prog [options] -r <requirements file> ...zUninstall packages.c          	      sV   t t| ƒj||Ž | jjddddg ddd� | jjdd	d
ddd� | j d| j¡ d S )Nz-rz--requirementÚrequirementsÚappendÚfilezjUninstall all the packages listed in the given requirements file.  This option can be used multiple times.)ÚdestÚactionÚdefaultÚmetavarÚhelpz-yz--yesÚyesÚ
store_truez2Don't ask for confirmation of uninstall deletions.)r   r   r   r   )Úsuperr	   Ú__init__Úcmd_optsÚ
add_optionÚparserÚinsert_option_group)ÚselfÚargsÚkw)Ú	__class__© úA/tmp/pip-install-r_9ig3yj/pip/pip/_internal/commands/uninstall.pyr      s    zUninstallCommand.__init__c       	   	   C   sä   |   |¡�Ð}i }x.|D ]&}t||jd�}|jr||t|jƒ< qW x:|jD ]0}x*t|||d�D ]}|jr\||t|jƒ< q\W qHW |s”tdt| jd� ƒ‚t	d|kd� x2| 
¡ D ]&}|j|j| jdkd�}|r¬| ¡  q¬W W d Q R X d S )	N)Úisolated)ÚoptionsÚsessionzLYou must give at least one requirement to %(name)s (see "pip help %(name)s"))ÚnameÚpip)Úmodifying_pipr   )Úauto_confirmÚverbose)Ú_build_sessionr   Úisolated_moder$   r   r   r   r   Údictr   Úvaluesr
   r   Ú	verbosityÚcommit)	r   r"   r   r#   Úreqs_to_uninstallr$   ÚreqÚfilenameÚuninstall_pathsetr   r   r    Úrun/   s2    
zUninstallCommand.run)
Ú__name__Ú
__module__Ú__qualname__Ú__doc__r$   ÚusageÚsummaryr   r3   Ú__classcell__r   r   )r   r    r	      s   	r	   N)Ú
__future__r   Úpip._vendor.packaging.utilsr   Úpip._internal.cli.base_commandr   Úpip._internal.exceptionsr   Zpip._internal.reqr   Úpip._internal.req.constructorsr   Úpip._internal.utils.miscr   r	   r   r   r   r    Ú<module>   s   