File: //opt/alt/python37/lib64/python3.7/__pycache__/binhex.cpython-37.opt-1.pyc
B
� f�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 �+/opt/alt/python37/lib64/python3.7/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 � }t�| d��2}|�d�}d|kr,d|_|�dd� |�� }W d Q R X tj� | �\}}|�
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 | jt�|� | _| �d� 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 }| j�| j||� d � t| _|}qW | j|d � | _|rr| j�| 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| jt�| j � | _| �d� | j�� | `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 t�| j �}| j�|� 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 t�| j �}| j�|� | j�� | `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.|}t�|d�}d}yR|�d� t|�} t| �| _d| _|d kr`t � }|| _
|| _ | � ||� t
| _W n |r�|�� � 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�|�d� d }|j|j }}t|t�rR|�d�}t|t�rf|�d�}|| }t� d|j
�}t� d| 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�|� d S )N)r3 �crc_hqxrA r- r* )r r# r r r rM � s z
BinHex._writec C s4 | j dk rd}nd}| j�t�|| 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|� | _| �|� 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 ��| �� 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 tkr$td��| jt|� | _| �|� d S )Nz'Writing resource data at the wrong time)rF rT rU r rC r2 rM )r r# r r r �
write_rsrc� s
zBinHex.write_rsrcc C sx | j d krd S zJ| j tk r"| �� | j tkr4td��| jdkrNtd| jf ��| �� W d d | _ | j}| `|�� X d S )NzClose at the wrong timer z$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||�}t�| d��.}x |�d�}|s2P |�|� q"W |�� W dQ R X t| d�}x |�d�}|snP |�|� q^W |� � |� � 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 }| j�|�}xRyt�|�\}| _ P W n tjk
rf Y nX | j�d�}|s�td��|| }q:W || }|t|� }|s
| j s
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 �� 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"| �|t | j� � | jd |� }| j|d � | _|S )N)r2 ra �_fill)r r] �rvr r r r 1 s
z_Rledecoderengine.readc C s� | j | j�|d � | _ | jjr>| jt�| j � | _d| _ d S t| j �}| j dd � td t krl|d }nX| j dd � tkr�|d }n<| j dd � td kr�|d }n | j dd� tkr�n|d }| jt�| j d |� � | _| j |d � | _ d S )
Nr\ r) ���rH r1 ���r ���r
) r` rY r r[ ra r3 Z
rledecode_hqxr2 �RUNCHAR)r r] Zmarkr r r rb 8 s&
z_Rledecoderengine._fillc C s | 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�rt�|d�}x.|�d�}|s.td��|dkr8q|dkrP qW t|�}t|�| _d| _ | �
� 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 �|�}t�|| j�| _|S )N)rY r r3 rS rA )r r2 r# r r r �_readu s z HexBin._readc C sN t �d| j�d��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� | � d�}| � t|��}| � d�}| �� |dd� }|dd� }t�d|dd� �d }t�d|dd � �d | _t�d|d d� �d | _|| _t� | _|| j_ || j_
|| j_ t | _
d S )
Nr
� � � z>h� r z>l� )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\|| �|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$| �| j�}| �� t| _ d S )Nzclose_data at wrong time)rF rE r rB rl rn rT )r �dummyr r r rU � s
zHexBin.close_datac G sZ | j tkr| �� | j tkr$td��|r>|d }t|| j�}n| 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�}| �� W d d | _ | j�� 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}t�|d��&}x |�d�}|s8P |�|� q(W W dQ R X |�� |�d�}|r�t |d�}|�|� x |�d�}|s�P |�|� q|W |�
� |�
� 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