Current File : //opt/alt/python37/lib64/python3.7/site-packages/cffi/__pycache__/verifier.cpython-37.pyc
B
ل=^�+ � @ s� d dl Z d dlZd dlZd dlZd dlZddlmZ ddlmZ ddlm Z e j
dkrhd dl Z dd� Z
nd dlZd d� Z
e j
d
kr�ejZnG d d � d ej�ZG d
d� de�ZdZdd� Zdadd� Zdd� Zd dd�Zdd� Zdd� ZdS ) � N� )� __version_verifier_modules__)� ffiplatform)�VerificationError)� r c C s t jjd d � S )N)� importlib� machinery�EXTENSION_SUFFIXES� r
r
�@/opt/alt/python37/lib64/python3.7/site-packages/cffi/verifier.py�_extension_suffixes s r c C s dd� t �� D �S )Nc S s g | ]\}}}|t jkr|�qS r
)�impZ C_EXTENSION)�.0�suffix�_�typer
r
r �
<listcomp> s z'_extension_suffixes.<locals>.<listcomp>)r
Z get_suffixesr
r
r
r r s )r c s e Zd Z� fdd�Z� ZS )�NativeIOc s( t |t�r|�d�}tt| ��|� d S )N�ascii)�
isinstanceZunicode�encode�superr �write)�self�s)� __class__r
r r s
zNativeIO.write)�__name__�
__module__� __qualname__r �
__classcell__r
r
)r r r s r c @ sz e Zd Zd dd�Zd dd�Zd d
� Zd d � Zd
d� Zdd� Zdd� Z dd� Z
dd� Z dd� Z d!dd�Z
dd � Zd d � ZdS )"�VerifierN� F�.cc K sv |j jrtd|j jf ��|| _|| _|s4t�| �} t||�}
|
| �| _| j� | � | | _
| � | |
�| _ |rz|rxt
d��n�d�tjd d� t|| g|j �}tjdkr�|�d�}tt�|dd d� �d @ �}|�d
��d �}tt�|d d d� �d @ �}|�d
��d �}d|| jj||f }t� d }|�p0t � | _ t j �| j || �| _ t j �| j || �| _!|| _"d| _#d| _$d S )NzKfeature not supported with ffi.verify(), but only with ffi.set_source(): %sz)can't specify both 'modulename' and 'tag'� r )r zutf-8r � l �� Z0x�Lr �0z_cffi_%s_%s%s%sF)%Z_parserZ_uses_new_featurer �ffi�preambler Zflatten�_locate_engine_class�_vengineZpatch_extension_kwds�flags�make_relative_to�kwds� TypeError�join�sys�versionr Z _cdefsources� version_infor �hex�binasciiZcrc32�lstrip�rstripZ
_class_key�_get_so_suffixes�_caller_dir_pycache�tmpdir�os�path�sourcefilename�modulefilename� ext_package� _has_source� _has_module)r r' r( r9 Z
modulenamer> �tag�force_generic_engineZsource_extensionr+ � relative_tor- Zflattened_kwdsZ
vengine_class�keyZk1Zk2r r
r
r �__init__ sD
zVerifier.__init__c C s8 | j j�& | jr |dkr td��| �|� W dQ R X dS )zkWrite the C source code. It is produced in 'self.sourcefilename',
which can be tweaked beforehand.Nzsource code already written)r' �_lockr? r �
_write_source)r �filer
r
r � write_sourceH s
zVerifier.write_sourcec C s< | j j�* | jrtd��| js&| �� | �� W dQ R X dS )z�Write the C source code (if not done already) and compile it.
This produces a dynamic link library in 'self.modulefilename'.zmodule already compiledN)r' rF r@ r r? rG �_compile_module)r r
r
r �compile_moduleQ s
zVerifier.compile_modulec C sF | j j�4 | js4| �� | js4| js,| �� | �� | �� S Q R X dS )a" Get a C module from this Verifier instance.
Returns an instance of a FFILibrary class that behaves like the
objects returned by ffi.dlopen(), but that delegates all
operations to the C module. If necessary, the C code is written
and compiled first.
N)r' rF r@ �_locate_moduler? rG rJ �
_load_library)r r
r
r � load_library[ s
zVerifier.load_libraryc C sB t j�| j�}|�dd�d }|�d�r>ttd�r>|d d� }|S )N�.r r Z_dZgettotalrefcount���)r: r; �basenamer= �split�endswith�hasattrr0 )r rQ r
r
r �get_module_namek s
zVerifier.get_module_namec C sV t �� | js0| jj� | js&| �� W d Q R X t �| j�}| �� }t j ||f| j
�S )N) r Z_hack_at_distutilsr? r' rF rG Zmaybe_relative_pathr< rU �
get_extensionr- )r Z
sourcename�modnamer
r
r rV v s
zVerifier.get_extensionc C s | j jS )N)r* Z_gen_python_module)r r
r
r �generates_python_module� s z Verifier.generates_python_modulec s~ |rzt j�|�rzt j�|�� |�� }xTtjD ]J}||kr,|| }t|ttf�s\t d|f ��� fdd�|D �}|||< q,W |S )Nz&keyword '%s' should be a list or tuplec s g | ]}t j�� |��qS r
)r: r; r/ )r �fn)�dirnamer
r r � s z-Verifier.make_relative_to.<locals>.<listcomp>)
r: r; rZ �copyr ZLIST_OF_FILE_NAMESr �list�tupler. )r r- rC rD Zlstr
)rZ r r, � s
zVerifier.make_relative_toc C s� t j�| j�st| jrHyt| jd d dg�}W n tk
r> d S X |j}nd }| j� | �
� |t � �}|d krnd S || _| j� � d| _
d S )N�__doc__T)r: r; �isfiler= r> �
__import__� ImportError�__path__r* � find_modulerU r7 Z
collect_typesr@ )r Zpkgr; �filenamer
r
r rL � s
zVerifier._locate_modulec C s$ || j _z| j �� W d | j `X d S )N)r* Z_fZwrite_source_to_f)r rH r
r
r �_write_source_to� s zVerifier._write_source_toc C s� |d k r| � |� n�t� }| � |� |�� }tj�| j�rbt| jd��}|�� |k }W d Q R X nd}|r�t | j� t| jd��}|�
|� W d Q R X d| _ d S )N�rT�w) re r �getvaluer: r; �existsr< �open�read� _ensure_dirr r? )r rH �fZ source_data�fpZ
needs_writtenr
r
r rG � s
zVerifier._write_sourcec C sp t j�| j�}t�|| �� �}yt�|| j�}W n t k
rH d}Y nX |sft
| j� t � || j� d| _
d S )NFT)r: r; rZ r< r �compilerV �samefiler= �OSErrorrl �shutilZmover@ )r r9 ZoutputfilenameZsamer
r
r rJ � s
zVerifier._compile_modulec C s0 | j s
t�| jd k r"| j�| j�S | j�� S d S )N)r@ �AssertionErrorr+ r* rN )r r
r
r rM � s
zVerifier._load_library)NNNr! Fr" NN)N)N)r r r rE rI rK rN rU rV rX r, rL re rG rJ rM r
r
r
r r s
&
r Fc C s| t rd}|sPdtjkr d}n4y dd l}W n tk
r@ d}Y nX | j|k rPd}|rfddlm} |jS ddlm } |j
S d S )NTZ__pypy__r �?r )� vengine_gen)� vengine_cpy) �_FORCE_GENERIC_ENGINEr0 �builtin_module_names�
_cffi_backendra Z_backendr! ru ZVGenericEnginerv ZVCPythonEngine)r' rB ry ru rv r
r
r r) � s
r) c C sH t rt S tj�d�} | r | S t�d�jj}tj� tj�
tj� |�d��S )NZ CFFI_TMPDIRr$ � __pycache__) �_TMPDIRr: �environ�getr0 � _getframe�f_code� co_filenamer; �abspathr/ rZ )�resultrd r
r
r r8 � s r8 c C s | a dS )z:Set the temporary directory to use instead of __pycache__.N)r{ )rZ r
r
r �
set_tmpdir s r� c C s0 | pt � } yt�| �}W n tk
r, dS X |r8d}nt� d �� }xd|D ]\}|�� �d�rL|�� �|�sz|�� �d�rLyt�tj �
| |�� W qL tk
r� Y qLX qLW tj �
| d�g}xn|D ]f}yJxDt�|�D ]6}tj �
||�}tj � |��r |� |� q�t�|� q�W W q� tk
�r& Y q�X q�W dS )z}Clean up the temporary directory by removing all files in it
called `_cffi_*.{c,so}` as well as the `build` subdirectory.Nz.cr Z_cffi_Zbuild)
r8 r: �listdirrq r7 �lower�
startswithrS �unlinkr; r/ �isdir�append)r9 Zkeep_soZfilelistr rY Z clean_dir�dirr
r
r �cleanup_tmpdir s2
r� c C s& t � } | s"tjdkr dg} ndg} | S )NZwin32z.pydz.so)r r0 �platform)�suffixesr
r
r r7 $ s
r7 c C s* t j�| �}|r&t j�|�s&t �|� d S )N)r: r; rZ r� �makedirs)rd rZ r
r
r rl / s rl )NF) r0 r: r4 rr �ior! r r �errorr r2 Zimportlib.machineryr r r
�StringIOr �BytesIO�objectr rw r) r{ r8 r� r� r7 rl r
r
r
r �<module> s* (
?
Mini Shell