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xdrlib.cpython-39.pyc
a �DOg � @ st d Z ddlZddlmZ ddlmZ g d�ZG dd� de�ZG dd � d e�Z d d � Z G d d � d �Z G dd� d�Z dS )zRImplements (a subset of) Sun XDR -- eXternal Data Representation. See: RFC 1014 � N)�BytesIO��wraps)�Error�Packer�Unpacker�ConversionErrorc @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) r z�Exception class for this module. Use: except xdrlib.Error as var: # var has the Error instance for the exception Public ivars: msg -- contains the message c C s || _ d S �N)�msg)�selfr � r � /usr/lib64/python3.9/xdrlib.py�__init__ s zError.__init__c C s t | j�S r )�reprr �r r r r �__repr__ s zError.__repr__c C s t | j�S r )�strr r r r r �__str__ s z Error.__str__N)�__name__� __module__� __qualname__�__doc__r r r r r r r r s r c @ s e Zd ZdS )r N)r r r r r r r r s r c s t � �� fdd��}|S )z5 Wrap any raised struct.errors in a ConversionError. c sH z � | |�W S t jyB } z t|jd �d �W Y d }~n d }~0 0 d S �Nr )�struct�errorr �args)r �value�e��functionr r �result& s z&raise_conversion_error.<locals>.resultr )r r r r r �raise_conversion_error# s r! c @ s� e Zd ZdZdd� Zdd� Zdd� ZeZedd � �Z ed d � �Z e Z d d � Z dd� Z e Zedd� �Zedd� �Zdd� ZeZdd� ZeZeZdd� Zdd� Zd d � Zd S ) r z0Pack various data representations into a buffer.c C s | � � d S r ��resetr r r r r 2 s zPacker.__init__c C s t � | _d S r )r � _Packer__bufr r r r r# 5 s z Packer.resetc C s | j �� S r )r$ �getvaluer r r r � get_buffer8 s zPacker.get_bufferc C s | j �t�d|�� d S )N�>L�r$ �writer �pack�r �xr r r � pack_uint= s zPacker.pack_uintc C s | j �t�d|�� d S )N�>lr( r+ r r r �pack_intA s zPacker.pack_intc C s" |r| j �d� n | j �d� d S )Ns s )r$ r) r+ r r r � pack_boolG s zPacker.pack_boolc C s� z| � |d? d@ � W n: ttjfyP } z t|jd �d �W Y d }~n d }~0 0 z| � |d@ � W n: ttjfy� } z t|jd �d �W Y d }~n d }~0 0 d S )N� l �� r )r- � TypeErrorr r r r )r r, r r r r � pack_uhyperK s &zPacker.pack_uhyperc C s | j �t�d|�� d S )N�>fr( r+ r r r � pack_floatW s zPacker.pack_floatc C s | j �t�d|�� d S )N�>dr( r+ r r r � pack_double[ s zPacker.pack_doublec C sP |dk rt d��|d |� }|d d d }||t|� d }| j�|� d S )Nr � fstring size must be nonnegative� � � )� ValueError�lenr$ r) )r �n�s�datar r r � pack_fstring_ s zPacker.pack_fstringc C s" t |�}| �|� | �||� d S r )r= r- rA )r r? r> r r r � pack_stringi s zPacker.pack_stringc C s* |D ]}| � d� ||� q| � d� d S )N� r )r- )r �list� pack_item�itemr r r � pack_listq s zPacker.pack_listc C s* t |�|krtd��|D ] }||� qd S )Nzwrong array size)r= r< )r r> rD rE rF r r r � pack_farrayw s zPacker.pack_farrayc C s$ t |�}| �|� | �|||� d S r )r= r- rH )r rD rE r> r r r � pack_array} s zPacker.pack_arrayN)r r r r r r# r& Zget_bufr! r- r/ Z pack_enumr0 r3 Z pack_hyperr5 r7 rA Z pack_fopaquerB Z pack_opaqueZ pack_bytesrG rH rI r r r r r / s2 r c @ s� e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z e Z dd� Z dd� Zdd� Zdd� Zdd� Zd d � ZeZd d � ZeZeZd d!� Zd"d#� Zd$d%� Zd&S )'r z;Unpacks various data representations from the given buffer.c C s | � |� d S r r" �r r@ r r r r � s zUnpacker.__init__c C s || _ d| _d S r )�_Unpacker__buf�_Unpacker__posrJ r r r r# � s zUnpacker.resetc C s | j S r �rL r r r r � get_position� s zUnpacker.get_positionc C s || _ d S r rM )r Zpositionr r r � set_position� s zUnpacker.set_positionc C s | j S r )rK r r r r r& � s zUnpacker.get_bufferc C s | j t| j�k rtd��d S )Nzunextracted data remains)rL r= rK r r r r r �done� s z Unpacker.donec C sB | j }|d | _ }| j||� }t|�dk r2t�t�d|�d S )Nr: r' r �rL rK r= �EOFErrorr �unpack�r �i�jr@ r r r � unpack_uint� s zUnpacker.unpack_uintc C sB | j }|d | _ }| j||� }t|�dk r2t�t�d|�d S )Nr: r. r rQ rT r r r � unpack_int� s zUnpacker.unpack_intc C s t | �� �S r )�boolrX r r r r � unpack_bool� s zUnpacker.unpack_boolc C s | � � }| � � }t|�d> |B S )Nr1 )rW �int)r �hi�lor r r � unpack_uhyper� s zUnpacker.unpack_uhyperc C s | � � }|dkr|d }|S )Nl l )r^ r+ r r r � unpack_hyper� s zUnpacker.unpack_hyperc C sB | j }|d | _ }| j||� }t|�dk r2t�t�d|�d S )Nr: r4 r rQ rT r r r � unpack_float� s zUnpacker.unpack_floatc C sB | j }|d | _ }| j||� }t|�dk r2t�t�d|�d S )N� r6 r rQ rT r r r � unpack_double� s zUnpacker.unpack_doublec C sT |dk rt d��| j}||d d d }|t| j�kr<t�|| _| j||| � S )Nr r8 r9 r: )r< rL r= rK rR )r r> rU rV r r r �unpack_fstring� s zUnpacker.unpack_fstringc C s | � � }| �|�S r )rW rc )r r> r r r � unpack_string� s zUnpacker.unpack_stringc C sB g }| � � }|dkrq>|dkr,td|f ��|� }|�|� q|S )Nr rC z0 or 1 expected, got %r)rW r �append)r � unpack_itemrD r, rF r r r � unpack_list� s zUnpacker.unpack_listc C s" g }t |�D ]}|�|� � q |S r )�rangere )r r> rf rD rU r r r � unpack_farray� s zUnpacker.unpack_farrayc C s | � � }| �||�S r )rW ri )r rf r> r r r � unpack_array� s zUnpacker.unpack_arrayN)r r r r r r# rN rO r& rP rW rX Z unpack_enumrZ r^ r_ r` rb rc Zunpack_fopaquerd Z unpack_opaqueZ unpack_bytesrg ri rj r r r r r � s. r ) r r �ior � functoolsr �__all__� Exceptionr r r! r r r r r r �<module> s U
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