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__init__.cpython-39.opt-1.pyc
483
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2022-03-25 16:49
__init__.cpython-39.pyc
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api.cpython-39.opt-1.pyc
33.49
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api.cpython-39.pyc
33.52
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backend_ctypes.cpython-39.opt-1.pyc
38.72
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backend_ctypes.cpython-39.pyc
38.99
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cffi_opcode.cpython-39.opt-1.pyc
4.58
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cffi_opcode.cpython-39.pyc
4.61
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commontypes.cpython-39.opt-1.pyc
1.78
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commontypes.cpython-39.pyc
1.82
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cparser.cpython-39.opt-1.pyc
23.02
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cparser.cpython-39.pyc
23.13
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error.cpython-39.opt-1.pyc
1.45
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error.cpython-39.pyc
1.45
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ffiplatform.cpython-39.opt-1.pyc
3.46
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ffiplatform.cpython-39.pyc
3.46
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lock.cpython-39.opt-1.pyc
381
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lock.cpython-39.pyc
381
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model.cpython-39.opt-1.pyc
19.13
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model.cpython-39.pyc
19.26
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pkgconfig.cpython-39.opt-1.pyc
5
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pkgconfig.cpython-39.pyc
5
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recompiler.cpython-39.opt-1.pyc
45.39
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recompiler.cpython-39.pyc
45.82
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setuptools_ext.cpython-39.opt-1.pyc
7.07
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2022-03-25 16:49
setuptools_ext.cpython-39.pyc
7.09
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vengine_cpy.cpython-39.opt-1.pyc
34.41
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2022-03-25 16:49
vengine_cpy.cpython-39.pyc
34.61
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vengine_gen.cpython-39.opt-1.pyc
20.25
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2022-03-25 16:49
vengine_gen.cpython-39.pyc
20.49
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verifier.cpython-39.opt-1.pyc
9.05
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2022-03-25 16:49
verifier.cpython-39.pyc
9.07
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2022-03-25 16:49
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a (� `P� � @ s� d dl Z d dlZddlmZ ddlmZ ddlmZ ze W n& e yb d dl m Z dd� ZY n0 ze W n e y� e Z Y n0 e� ZG d d � d e�Zd d � Zd d� Zdd� ZdS )� N� )� allocate_lock)� CDefError)�model)�Callablec C s t | t�S �N)� isinstancer )�x� r �./usr/lib64/python3.9/site-packages/cffi/api.py�<lambda> � r c @ s� e Zd ZdZdjdd�Zdkdd�Zdldd �Zdmd d �Zdnd d�Zdd� Z dd� Z dodd�Z dd� Z dd� Z dd� Zdd � Zdpd d �Zdqd d!�Zd"d#� Zdrd%d&�Zd'd(� Zedfd)d*�Zd+d,� Zdsd-d.�Zdtd0d1�Zdud2d3�Zd4d5� Zdvd6d7�Z d8d9� Z d:d;� Z e e e dd<�Z dwd=d>�Z!d?d@� Z"dAdB� Z#dCdD� Z$dEdF� Z%dGdH� Z&dIdJ� Z'dKdL� Z(dMdN� Z)dOdP� Z*dQdR� Z+dxdTdU�Z,dydVdW�Z-dzdYdZ�Z.d[d\� Z/d]d^� Z0d{d`da�Z1dbdc� Z2ddde� Z3dfdg� Z4dhdi� Z5dS )|�FFIa� The main top-level class that you instantiate once, or once per module. 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In other words the returned <cdata> object has ownership of the value of type 'cdecl' that it points to. This means that the raw data can be used as long as this object is kept alive, but must not be used for a longer time. Be careful about that when copying the pointer to the memory somewhere else, e.g. into another structure. )r r> rY r Znewp)r1 rQ �initr r r �new� s zFFI.newTc s, �j �� }|�|||�� d� �fdd� }|S )a� Return a new allocator, i.e. a function that behaves like ffi.new() but uses the provided low-level 'alloc' and 'free' functions. 'alloc' is called with the size as argument. If it returns NULL, a MemoryError is raised. 'free' is called with the result of 'alloc' as argument. Both can be either Python function or directly C functions. If 'free' is None, then no free function is called. If both 'alloc' and 'free' are None, the default is used. If 'should_clear_after_alloc' is set to False, then the memory returned by 'alloc' is assumed to be already cleared (or you are fine with garbage); otherwise CFFI will clear it. Nc s t | t�r��| �} � | |�S r �r r> rY )rQ rf �Z allocatorr1 r r �allocate s z#FFI.new_allocator.<locals>.allocate)N)r r � new_allocator)r1 Zalloc�freeZshould_clear_after_allocZ compiled_ffirj r ri r rk s �zFFI.new_allocatorc C s" t |t�r| �|�}| j�||�S )z�Similar to a C cast: returns an instance of the named C type initialized with the given 'source'. The source is casted between integers or pointers of any type. )r r> rY r r. )r1 rQ �sourcer r r r. % s zFFI.cast���c C s | j �||�S )a� Return a Python string (or unicode string) from the 'cdata'. If 'cdata' is a pointer or array of characters or bytes, returns the null-terminated string. The returned string extends until the first null character, or at most 'maxlen' characters. If 'cdata' is an array then 'maxlen' defaults to its length. 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Important: the callback object must be manually kept alive for as long as the callback may be invoked from the C level. c s" t | �std���j�� | ���S )Nz.the 'python_callable' argument is not callable)�callabler? r �callback)�python_callable�rQ �error�onerrorr1 r r �callback_decorator_wrap� s �z-FFI.callback.<locals>.callback_decorator_wrapT)rX Nrh )r1 rQ r| r~ r r� r r} r r{ � s z FFI.callbackr c C sh t |t�r| �|�}|�� }|�d�rBd| j�|d�v rBd| }n|rZ|d dvrZd| }| j�||�S )a. Return a string giving the C type 'cdecl', which may be itself a string or a <ctype> object. If 'replace_with' is given, it gives extra text to append (or insert for more complicated C types), like a variable name, or '*' to get actually the C type 'pointer-to-cdecl'. �*z&[�&z(%s)r z[(� )r r> rY �stripr( r Zgetcname)r1 rQ Z replace_withr r r �getctype� s � z FFI.getctypec C s | j �|||�S )a� Return a new cdata object that points to the same data. Later, when this new cdata object is garbage-collected, 'destructor(old_cdata_object)' will be called. The optional 'size' gives an estimate of the size, used to trigger the garbage collection more eagerly. So far only used on PyPy. It tells the GC that the returned object keeps alive roughly 'size' bytes of external memory. )r Zgcp)r1 rp Z destructor�sizer r r �gc� s zFFI.gcc C sL z| j | }W n8 tyF g }|�| |�}|D ]}|�| |� q0Y n0 |S r )r rW Zget_cached_btyperE )r1 rN ra rH r r r r+ � s zFFI._get_cached_btypec K sZ ddl m}m} | jr | �|� |p(|� }|| ||fi |��| _ | j �� }| j�|� |S )a� Verify that the current ffi signatures compile on this machine, and return a dynamic library object. The dynamic library can be used to call functions and access global variables declared in this 'ffi'. The library is compiled by the C compiler: it gives you C-level API compatibility (including calling macros). This is unlike 'ffi.dlopen()', which requires binary compatibility in the signatures. r )�Verifier�_caller_dir_pycache)�verifierr� r� r# �_apply_windows_unicode� load_libraryr rC )r1 rm �tmpdir�kwargsr� r� rL r r r �verify� s z FFI.verifyc C s | j �� S r )r Z get_errno�r1 r r r � _get_errno� s zFFI._get_errnoc C s | j �|� d S r )r Z set_errno)r1 �errnor r r � _set_errno� s zFFI._set_errnoz(the value of 'errno' from/to the C callsc C s | j �|�S r )r � getwinerror)r1 �coder r r r� � s zFFI.getwinerrorc C s6 | j � t�| |�W d � S 1 s(0 Y d S r )r r � pointer_cache)r1 �ctyper r r � _pointer_to� s zFFI._pointer_toc G s� z| j �|�}W n< tyL dt|�jv rFt|�j|g|�R � Y S � Y n0 |rj| j|g|�R � \}}n|jdkr|td��d}| �|�}| j � |||�S )z�Return the address of a <cdata 'struct-or-union'>. 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