Edit File: binhex.cpython-36.pyc
3 \�6 � @ s� d Z ddlZddlZddlZddlZdddgZG dd� de�ZdZdZ dZ d Z d Z G d d � d �Z d d� ZG dd� d�ZG dd� d�ZG dd� d�ZG dd� d�Zdd� ZG dd� d�ZG dd� d�ZG d d � d �Zd d� ZdS ) z�Macintosh binhex compression/decompression. easy interface: binhex(inputfilename, outputfilename) hexbin(inputfilename, outputfilename) � N�binhex�hexbin�Errorc @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r r � /usr/lib64/python3.6/binhex.pyr s � i � �@ � �c @ s e Zd Zdd� ZdS )�FInfoc C s d| _ d| _d| _d S )Nz????r )�Type�Creator�Flags)�selfr r r �__init__0 s zFInfo.__init__N)r r r r r r r r r / s r c C st t � }tj| d��2}|jd�}d|kr,d|_|jdd� |j� }W d Q R X tjj | �\}}|j ddd�}|||dfS ) N�rbi r ZTEXT� �:�-r ) r �io�open�readr �seek�tell�os�path�split�replace)�name�finfo�fp�dataZdsize�dir�filer r r � getfileinfo5 s r& c @ s, e Zd Zdd� Zdd� Zdd� Zdd� Zd S ) �openrsrcc G s d S )Nr )r �argsr r r r C s zopenrsrc.__init__c G s dS )N� r )r r( r r r r F s z openrsrc.readc G s d S )Nr )r r( r r r �writeI s zopenrsrc.writec C s d S )Nr )r r r r �closeL s zopenrsrc.closeN)r r r r r r* r+ r r r r r' B s r' c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) �_Hqxcoderenginez(Write data to the coder in 3-byte chunksc C s || _ d| _d| _td | _d S )Nr) r )�ofpr# �hqxdata�LINELEN�linelen)r r- r r r r R s z_Hqxcoderengine.__init__c C sh | j | | _ t| j �}|d d }| j d |� }| j |d � | _ |sHd S | jtj|� | _| jd� d S )N� r )r# �lenr. �binascii�b2a_hqx�_flush)r r# ZdatalenZtodor r r r* X s z_Hqxcoderengine.writec C sv d}xF|t | j�| j krJ|| j }| jj| j||� d � t| _|}qW | j|d � | _|rr| jj| jd � d S )Nr � s : )r2 r. r0 r- r* r/ )r Zforce�firstZlastr r r r5 c s z_Hqxcoderengine._flushc C s6 | j r| jtj| j � | _| jd� | jj� | `d S )Nr )r# r. r3 r4 r5 r- r+ )r r r r r+ n s z_Hqxcoderengine.closeN)r r r �__doc__r r* r5 r+ r r r r r, O s r, c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �_Rlecoderenginez4Write data to the RLE-coder in suitably large chunksc C s || _ d| _d S )Nr) )r- r# )r r- r r r r x s z_Rlecoderengine.__init__c C s@ | j | | _ t| j �tk r d S tj| j �}| jj|� d| _ d S )Nr) )r# r2 �REASONABLY_LARGEr3 � rlecode_hqxr- r* )r r# �rledatar r r r* | s z_Rlecoderengine.writec C s0 | j r tj| j �}| jj|� | jj� | `d S )N)r# r3 r; r- r* r+ )r r< r r r r+ � s z_Rlecoderengine.closeN)r r r r8 r r* r+ r r r r r9 u s r9 c @ sL e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dS )�BinHexc C s� |\}}}}d}t |t�r.|}tj|d�}d}yR|jd� t|�} t| �| _d| _|d kr`t � }|| _ || _ | j ||� t | _W n |r�|j� � Y nX d S )NF�wbTs0 (This file must be converted with BinHex 4.0) :r )� isinstance�strr r r* r, r9 r- �crcr �dlen�rlen� _writeinfo� _DID_HEADER�stater+ ) r Zname_finfo_dlen_rlenr- r r! rB rC Zclose_on_errorZofnameZhqxerr r r r � s* zBinHex.__init__c C s� t |�}|dkrtd��t|g�|jd� d }|j|j }}t|t�rR|jd�}t|t�rf|jd�}|| }tj d|j �}tj d| j | j �} || | | } | j | � | j� d S )N�? zFilename too longzlatin-1� z>hz>ii)r2 r �bytes�encoder r r? r@ �struct�packr rB rC �_write� _writecrc) r r r! �nl�d�tpZcrZd2Zd3Zd4�infor r r rD � s zBinHex._writeinfoc C s t j|| j�| _| jj|� d S )N)r3 �crc_hqxrA r- r* )r r# r r r rM � s z BinHex._writec C s4 | j dk rd}nd}| jjtj|| j �� d| _ d S )Nr z>hz>H)rA r- r* rK rL )r Zfmtr r r rN � s zBinHex._writecrcc C s0 | j tkrtd��| jt|� | _| j|� d S )Nz Writing data at the wrong time)rF rE r rB r2 rM )r r# r r r r* � s z BinHex.writec C s, | j dkrtd| jf ��| j� t| _d S )Nr z Incorrect data size, diff=%r)rB r rC rN � _DID_DATArF )r r r r � close_data� s zBinHex.close_datac C sB | j tk r| j� | j tkr$td��| jt|� | _| j|� d S )Nz'Writing resource data at the wrong time)rF rT rU r rC r2 rM )r r# r r r � write_rsrc� s zBinHex.write_rsrcc C sx | j d krd S zJ| j tk r"| j� | j tkr4td��| jdkrNtd| jf ��| j� W d d | _ | j}| `|j� X d S )NzClose at the wrong timer z$Incorrect resource-datasize, diff=%r)rF rT rU r rC rN r- r+ )r r- r r r r+ � s z BinHex.closeN) r r r r rD rM rN r* rU rV r+ r r r r r= � s r= c C s� t | �}t||�}tj| d��.}x |jd�}|s2P |j|� q"W |j� W dQ R X t| d�}x |jd�}|snP |j|� q^W |j � |j � dS )zEbinhex(infilename, outfilename): create binhex-encoded copy of a filer i � N) r& r= r r r r* rU r' rV r+ )�inp�outr! r- �ifprP r r r r � s" c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �_Hqxdecoderenginez*Read data via the decoder in 4-byte chunksc C s || _ d| _d S )Nr )rY �eof)r rY r r r r s z_Hqxdecoderengine.__init__c C s� d}|}x�|dkr�| j r |S |d d d }| jj|�}xRytj|�\}| _ P W n tjk rf Y nX | jjd�}|s�td��|| }q:W || }|t|� }| r | j r td��q W |S )z&Read at least wtd bytes (or until EOF)r) r r r1 � r z Premature EOF on binhex file)r[ rY r r3 Za2b_hqxZ Incompleter r2 )r ZtotalwtdZdecdata�wtdr# Z decdatacur�newdatar r r r s, z_Hqxdecoderengine.readc C s | j j� d S )N)rY r+ )r r r r r+ % s z_Hqxdecoderengine.closeN)r r r r8 r r r+ r r r r rZ � s rZ c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) �_RledecoderenginezRead data via the RLE-coderc C s || _ d| _d| _d| _d S )Nr) r )rY � pre_buffer� post_bufferr[ )r rY r r r r + s z_Rledecoderengine.__init__c C sD |t | j�kr"| j|t | j� � | jd |� }| j|d � | _|S )N)r2 ra �_fill)r r] �rvr r r r 1 s z_Rledecoderengine.readc C s� | j | jj|d � | _ | jjr>| jtj| j � | _d| _ d S t| j �}| j dd � td t krl|d }nX| j dd � tkr�|d }n<| j d d � td kr�|d }n | j d d � tkr�n|d }| jtj| j d |� � | _| j |d � | _ d S ) Nr\ r) r1 rH r r ���������rf re ) r` rY r r[ ra r3 Z rledecode_hqxr2 �RUNCHAR)r r] Zmarkr r r rb 8 s& z_Rledecoderengine._fillc C s | j j� d S )N)rY r+ )r r r r r+ [ s z_Rledecoderengine.closeN)r r r r8 r r rb r+ r r r r r_ ( s #r_ c @ sL e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dS )�HexBinc C sj t |t�rtj|d�}x.|jd�}|s.td��|dkr8q|dkrP qW t|�}t|�| _d| _ | j � d S )Nr r zNo binhex data found� � :r ) r? r@ r r r r rZ r_ rY rA � _readheader)r rY ZchZhqxifpr r r r _ s zHexBin.__init__c C s | j j|�}tj|| j�| _|S )N)rY r r3 rS rA )r r2 r# r r r �_readu s z HexBin._readc C sN t jd| jjd��d d@ }| jd@ | _|| jkrDtd| j|f ��d| _d S )Nz>hr r i�� z CRC error, computed %x, read %x)rK �unpackrY r rA r )r Zfilecrcr r r � _checkcrcz s zHexBin._checkcrcc C s� | j d�}| j t|��}| j d�}| j� |dd� }|dd� }tjd|dd� �d }tjd |dd � �d | _tjd |d d � �d | _|| _t� | _|| j_ || j_ || j_ t | _ d S )Nr r\ r � � z>h� r z>l� � ro rp rq rr rs )rl �ordrn rK rm rB rC �FNamer r r r rE rF )r r2 Zfname�rest�typeZcreator�flagsr r r rk � s zHexBin._readheaderc G sn | j tkrtd��|r,|d }t|| j�}n| j}d}x&t|�|k r\|| j|t|� � }q8W | j| | _|S )NzRead data at wrong timer r) )rF rE r �minrB r2 rl )r �nrc r r r r � s z HexBin.readc C s6 | j tkrtd��| jr$| j| j�}| j� t| _ d S )Nzclose_data at wrong time)rF rE r rB rl rn rT )r �dummyr r r rU � s zHexBin.close_datac G sZ | j tkr| j� | j tkr$td��|r>|d }t|| j�}n| j}| j| | _| j|�S )Nz Read resource data at wrong timer )rF rE rU rT r ry rC rl )r rz r r r � read_rsrc� s zHexBin.read_rsrcc C sD | j d krd S z | jr"| j| j�}| j� W d d | _ | jj� X d S )N)rF rC r| rn rY r+ )r r{ r r r r+ � s z HexBin.closeN) r r r r rl rn rk r rU r| r+ r r r r rh ^ s rh c C s� t | �}|j}|s|j}tj|d��&}x |jd�}|s8P |j|� q(W W dQ R X |j� |jd�}|r�t |d�}|j|� x |jd�}|s�P |j|� q|W |j � |j � dS )z6hexbin(infilename, outfilename) - Decode binhexed filer> i � N) rh r ru r r r r* rU r| r' r+ )rW rX rY r! r- rP r r r r � s, )r8 r r rK r3 �__all__� Exceptionr rE rT r: r/ rg r r& r' r, r9 r= r rZ r_ rh r r r r r �<module> s, &^*6h
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