| Server IP : 217.160.0.135 / Your IP : 216.73.217.85 Web Server : Apache System : Linux www 6.18.52-i1-ampere #1203 SMP Mon Sep 14 18:29:59 CEST 2026 aarch64 User : sws1074145052 ( 1074145052) PHP Version : 8.3.32 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /lib/python3/dist-packages/django/core/files/__pycache__/ |
Upload File : |
�
�|�e�
� �0 � d Z ddlZdZd� Zej dk r�ddlZddlmZmZm Z m
Z
m Z m Z m
Z
mZmZ ddlmZmZmZ dZdZd Z ee � � ee
� � k re Zne Ze
Z G d
� d e� � Z G d � d
e � � Z G d� de� � Z ee� � Z ej j Z ee _ eeeeee ge _ ej j! Z!ee!_ eeeee ge!_ d� Z"d� Z#dS ddl$Z$e$j Ze$j Ze$j Zd� Z"d� Z#dS # e%e&f$ r dxZxZZd� Z"d� Z#Y dS w xY w)aw
Portable file locking utilities.
Based partially on an example by Jonathan Feignberg in the Python
Cookbook [1] (licensed under the Python Software License) and a ctypes port by
Anatoly Techtonik for Roundup [2] (license [3]).
[1] http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/65203
[2] https://sourceforge.net/p/roundup/code/ci/default/tree/roundup/backends/portalocker.py
[3] https://sourceforge.net/p/roundup/code/ci/default/tree/COPYING.txt
Example Usage::
>>> from django.core.files import locks
>>> with open('./file', 'wb') as f:
... locks.lock(f, locks.LOCK_EX)
... f.write('Django')
� N)�LOCK_EX�LOCK_SH�LOCK_NB�lock�unlockc �N � t | d� � r| � � � n| S )zCGet a filedescriptor from something which could be a file or an fd.�fileno)�hasattrr ��fs �9/usr/lib/python3/dist-packages/django/core/files/locks.py�_fdr s# � � ��H�-�-� 4�1�8�8�:�:�:�1�4� �nt) �POINTER� Structure�Union�byref�c_int64�c_ulong�c_void_p�sizeof�windll)�BOOL�DWORD�HANDLE� � c � � e Zd ZdefdefgZdS )�_OFFSET�Offset�
OffsetHighN)�__name__�
__module__� __qualname__r �_fields_� r r
r r 2 s% � � � � � �
�u� �
�5� !�#���r r c �$ � e Zd ZdgZdefdefgZdS )�
_OFFSET_UNION�_offset�PointerN)r# r$ r% � _anonymous_r �PVOIDr& r' r r
r) r) 7 s, � � � � � � �k� �
�� �
�� � ���r r) c �0 � e Zd ZdgZdefdefdefdefgZdS )�
OVERLAPPED�
_offset_union�Internal� InternalHigh�hEventN)r# r$ r% r, � ULONG_PTRr) r r& r' r r
r/ r/ = s= � � � � � �&�'� �
�� #�
�Y� '�
�m� ,�
�v� � ���r r/ c
� � t j t | � � � � }t � � }t ||dddt |� � � � }t
|� � S �Nr l � )�msvcrt�
get_osfhandler r/ �
LockFileExr �bool)r �flags�hfile�
overlapped�rets r
r r O sL � ��$�S��V�V�,�,�� �\�\�
����q�!�Z��z�9J�9J�K�K���C�y�y�r c � � t j t | � � � � }t � � }t |dddt |� � � � }t
|� � S r6 )r7 r8 r r/ � UnlockFileExr r: )r r< r= r> s r
r r U sJ � ��$�S��V�V�,�,�� �\�\�
��5�!�Q�
�E�*�4E�4E�F�F���C�y�y�r c �n � t j t | � � |� � dS # t $ r Y dS w xY w)NTF)�fcntl�flockr �BlockingIOError�r r; s r
r r m sF � �
�� �C��F�F�E�*�*�*��t��"�
�
�
� �u�u�
���s �"& �
4�4c �^ � t j t | � � t j � � dS �NT)rB rC r �LOCK_UNr s r
r r t s! � � �K��A����
� .� .� .��4r c � � dS )NFr' rE s r
r r e s � ��5r c � � dS rG r' r s r
r r i s � ��4r )'�__doc__�os�__all__r �namer7 �ctypesr r r r r r r r r �ctypes.wintypesr r r r r r r4 r- r r) r/ � LPOVERLAPPED�kernel32r9 �restype�argtypesr@ r r rB � ImportError�AttributeErrorr' r r
�<module>rW s� ��� �$
� � � �
=��5� 5� 5�
�7�d�?�?��M�M�M�� � � � � � � � � � � � � � � � � � � � � � 4�3�3�3�3�3�3�3�3�3��G��G��G� �v�g���&�&��*�*�*�*�� � �� � �E�#� #� #� #� #�)� #� #� #�
� � � � �� � � � � � � � �Y� � � � �7�:�&�&�L� � �+�J� �J��!�5�%���|�L�J���?�/�L� �L�� #�U�E�5�,� G�L��� � � � � � � � �� � � ��-���-���-�� � � � � � � � ��)
� � (� � � �&'�'��'�'�G� � � � � � � � � � ���s � C> �>D�D