U
e5d� � @ s� d Z ddlZddlZddlmZmZ ddlmZ ddlm Z ddd�Z
d d
� Z dd d �Z ej
d
krjdadaddd�Zddd�ZdS )z�distutils.spawn
Provides the 'spawn()' function, a front-end to various platform-
specific functions for launching another program in a sub-process.
Also provides the 'find_executable()' to search the path for a given
executable name.
� N)�DistutilsPlatformError�DistutilsExecError)�DEBUG)�log� c C sN t | �} tjdkr"t| ||d� n(tjdkre s z _spawn_posix..�.c S s g | ] }t |��qS r r* r, r r r r/ k s zF$MACOSX_DEPLOYMENT_TARGET mismatch: now "%s" but "%s" during configure)r( zunable to execute %r: %s
r z(unable to execute %r for unknown reasonsr r z"command %r terminated by signal %dr z1unknown error executing %r: termination status %d)#r r r r �execvp�execv�sys�platform� _cfg_target� distutilsr' Zget_config_var�split�_cfg_target_split�environ�getr �dict�execvpe�execve�forkr# r �stderr�write�strerror�_exit�waitpidr r � WIFSIGNALED�WTERMSIG� WIFEXITED� WEXITSTATUS�
WIFSTOPPED)r r r r r$ Zexec_fn�envr' Z
cur_targetZmy_msg�pid�eZstatusr% Z exit_statusr r r r
W s�
����
� � ��
�� ��r
c C s� t j�| �\}}tjdkr*|dkr*| d } t j�| �r:| S |dkr�t j�dd�}|dkr�zt �d�}W n t t
fk
r� t j }Y nX |s�dS |� t j
�}|D ]&}t j�|| �}t j�|�r�| S q�dS )z�Tries to find 'executable' in the directories listed in 'path'.
A string listing directories separated by 'os.pathsep'; defaults to
os.environ['PATH']. Returns the complete filename or None if not found.
Zwin32z.exeN�PATH�CS_PATH)r �path�splitextr3 r4 �isfiler9 r: �confstr�AttributeError�
ValueError�defpathr7 �pathsepr )r$ rN �_Zext�paths�p�fr r r r � s(
r )r r r )r r r )r r r )N)�__doc__r3 r Zdistutils.errorsr r Zdistutils.debugr r6 r r r r r4 r5 r8 r
r r r r r � s
R