B
IcWšñ@D6ã @ sÞ d Z ddlZddlZddlZddlZdddgZG dd„ deƒZdZdZ dZ
d Z d
Z G d d „ d ƒZ
d
d„ ZG dd„ dƒZG dd„ dƒZG dd„ dƒZG dd„ dƒZdd„ ZG dd„ dƒZG dd„ dƒZG d d „ d ƒZd d„ ZdS ) z‰Macintosh binhex compression/decompression.
easy interface:
binhex(inputfilename, outputfilename)
hexbin(inputfilename, outputfilename)
é NÚbinhexÚhexbinÚErrorc @ s e Zd ZdS )r N)Ú__name__Ú
__module__Ú __qualname__© r r ú+/opt/alt/python37/lib64/python3.7/binhex.pyr s é i € é@ ó c @ s e Zd Zdd„ ZdS )ÚFInfoc C s d| _ d| _d| _d S )Nz????r )ÚTypeÚCreatorÚFlags)Úselfr r r Ú__init__0 s zFInfo.__init__N)r r r r r r r r r
/ s r
c C st t ƒ }t | d¡2}| d¡}d|kr,d|_| dd¡ | ¡ }W d Q R X tj | ¡\}}|
ddd¡}|||dfS ) NÚrbi r ZTEXTé ú:ú-r
) r
ÚioÚopenÚreadr ÚseekÚtellÚosÚpathÚsplitÚreplace)ÚnameÚfinfoÚfpÚdataZdsizeÚdirÚfiler r r Ú getfileinfo5 s
r& c @ s, e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd S )
Úopenrsrcc G s d S )Nr )r Úargsr r r r C s zopenrsrc.__init__c G s dS )Nó r )r r( r r r r F s z
openrsrc.readc G s d S )Nr )r r( r r r ÚwriteI s zopenrsrc.writec C s d S )Nr )r r r r ÚcloseL 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 ) Ú_Hqxcoderenginez(Write data to the coder in 3-byte chunksc C s || _ d| _d| _td | _d S )Nr) r
)Úofpr# ÚhqxdataÚLINELENÚlinelen)r r- r r r r R s z_Hqxcoderengine.__init__c C sh | j | | _ t| j ƒ}|d d }| j d |… }| j |d … | _ |sHd S | jt |¡ | _| d¡ d S )Né r )r# Úlenr. ÚbinasciiÚb2a_hqxÚ_flush)r r# ZdatalenZtodor r r r* X s
z_Hqxcoderengine.writec C sv d}xF|t | jƒ| j krJ|| j }| j | j||… d ¡ t| _|}qW | j|d … | _|rr| j | jd ¡ d S )Nr ó
s :
)r2 r. r0 r- r* r/ )r ZforceÚfirstZlastr 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 Ú__doc__r r* r5 r+ r r r r r, O s
r, c @ s( e Zd ZdZdd„ Zdd„ Zdd„ ZdS ) Ú_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 ƒtk r d S t | j ¡}| j |¡ d| _ d S )Nr) )r# r2 ÚREASONABLY_LARGEr3 Ú rlecode_hqxr- r* )r r# Úrledatar 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 )ÚBinHexc
C s |\}}}}d}t |tƒr.|}t |d¡}d}yR| d¡ t|ƒ} t| ƒ| _d| _|d kr`t ƒ }|| _
|| _ | ||¡ t
| _W n |r”| ¡ ‚ Y nX d S )NFÚwbTs0 (This file must be converted with BinHex 4.0)
:r )Ú
isinstanceÚstrr r r* r, r9 r- Úcrcr
ÚdlenÚrlenÚ
_writeinfoÚ _DID_HEADERÚstater+ )
r Zname_finfo_dlen_rlenr- r r! rB rC Zclose_on_errorZofnameZhqxerr r r r Πs*
zBinHex.__init__c C s´ t |ƒ}|dkrtdƒ‚t|gƒ| d¡ d }|j|j }}t|tƒrR| d¡}t|tƒrf| d¡}|| }t d|j
¡}t d| j | j ¡} || | | }
|
|
¡ | ¡ d S )Né? zFilename too longzlatin-1ó z>hz>ii)r2 r ÚbytesÚencoder r r? r@ ÚstructÚpackr rB rC Ú_writeÚ _writecrc) r r r! ÚnlÚdÚtpZcrZd2Zd3Zd4Úinfor r r rD £ s
zBinHex._writeinfoc C s t || j¡| _| j |¡ d S )N)r3 Úcrc_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 º s
zBinHex._writecrcc C s0 | j tkrtdƒ‚| jt|ƒ | _| |¡ d S )Nz Writing data at the wrong time)rF rE r rB r2 rM )r r# r r r r* Ä s
z BinHex.writec C s, | j dkrtd| jf ƒ‚| ¡ t| _d S )Nr z Incorrect data size, diff=%r)rB r rC rN Ú _DID_DATArF )r r r r Ú
close_dataÊ s
zBinHex.close_datac C sB | j tk r| ¡ | j tkr$tdƒ‚| jt|ƒ | _| |¡ d S )Nz'Writing resource data at the wrong time)rF rT rU r rC r2 rM )r r# r r r Ú
write_rsrcÐ s
zBinHex.write_rsrcc C sx | j d krd S zJ| j tk r"| ¡ | j tkr4tdƒ‚| jdkrNtd| jf ƒ‚| ¡ W d d | _ | j}| `| ¡ X d S )NzClose at the wrong timer z$Incorrect resource-datasize, diff=%r)rF rT rU r rC rN r- r+ )r r- r r r r+ Ø 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 | ƒ}t||ƒ}t | d¡.}x | d¡}|s2P | |¡ q"W | ¡ W dQ R X t| dƒ}x | d¡}|snP | |¡ q^W | ¡ | ¡ dS )zEbinhex(infilename, outfilename): create binhex-encoded copy of a filer i ô N)
r& r= r r r r* rU r' rV r+ )ÚinpÚoutr! r- ÚifprP r r r r é s"
c @ s( e Zd ZdZdd„ Zdd„ Zdd„ ZdS ) Ú_Hqxdecoderenginez*Read data via the decoder in 4-byte chunksc C s || _ d| _d S )Nr )rY Úeof)r rY r r r r s z_Hqxdecoderengine.__init__c C sº d}|}x¬|dkr´| j r |S |d d d }| j |¡}xRyt |¡\}| _ P W n tjk
rf Y nX | j d¡}|s€tdƒ‚|| }q:W || }|t|ƒ }|s
| j s
tdƒ‚q
W |S )z&Read at least wtd bytes (or until EOF)r) r r r1 é r
z Premature EOF on binhex file)r[ rY r r3 Za2b_hqxZ
Incompleter r2 )r ZtotalwtdZdecdataÚwtdr# Z
decdatacurÚnewdatar 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 þ s rZ c @ s0 e Zd ZdZdd„ Zdd„ Zdd„ Zdd „ Zd
S ) Ú_RledecoderenginezRead data via the RLE-coderc C s || _ d| _d| _d| _d S )Nr) r )rY Ú
pre_bufferÚ post_bufferr[ )r rY r r r r + s z_Rledecoderengine.__init__c C sD |t | jƒkr"| |t | jƒ ¡ | jd |… }| j|d … | _|S )N)r2 ra Ú_fill)r r] Úrvr r r r 1 s
z_Rledecoderengine.readc C sô | j | j |d ¡ | _ | jjr>| jt | j ¡ | _d| _ d S t| j ƒ}| j dd … td t krl|d }nX| j dd … tkrˆ|d }n<| j dd … td kr¨|d }n | j dd… tkr¼n|d }| jt | j d |… ¡ | _| j |d … | _ d S )
Nr\ r) éýÿÿÿrH r1 éÿÿÿÿr éþÿÿÿr
) r` rY r r[ ra r3 Z
rledecode_hqxr2 ÚRUNCHAR)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 )ÚHexBinc C sj t |tƒrt |d¡}x.| d¡}|s.tdƒ‚|dkr8q|dkrP qW t|ƒ}t|ƒ| _d| _ |
¡ d S )Nr r
zNo binhex data foundó
ó :r ) r? r@ r r r r rZ r_ rY rA Ú _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 Ú_readu s z HexBin._readc C sN t d| j d¡¡d d@ }| jd@ | _|| jkrDtd| j|f ƒ‚d| _d S )Nz>hr r iÿÿ z CRC error, computed %x, read %x)rK ÚunpackrY r rA r )r Zfilecrcr r r Ú _checkcrcz s
zHexBin._checkcrcc C s¾ | d¡}| t|ƒ¡}| d¡}| ¡ |dd… }|dd… }t d|dd… ¡d }t d|dd … ¡d | _t d|d d… ¡d | _|| _tƒ | _|| j_ || j_
|| j_ t | _
d S )
Nr
é é é z>hé r z>lé )rl Úordrn rK rm rB rC ÚFNamer
r r r rE rF )r r2 ZfnameÚrestÚtypeZcreatorÚflagsr r r rk „ s
zHexBin._readheaderc G sn | j tkrtdƒ‚|r,|d }t|| jƒ}n| j}d}x&t|ƒ|k r\|| |t|ƒ ¡ }q8W | j| | _|S )NzRead data at wrong timer r) )rF rE r ÚminrB r2 rl )r Únrc r r r r ˜ s
z HexBin.readc C s6 | j tkrtdƒ‚| jr$| | j¡}| ¡ t| _ d S )Nzclose_data at wrong time)rF rE r rB rl rn rT )r Údummyr r r rU ¦ s
zHexBin.close_datac G sZ | j tkr| ¡ | j tkr$tdƒ‚|r>|d }t|| jƒ}n| j}| j| | _| |¡S )Nz Read resource data at wrong timer )rF rE rU rT r ry rC rl )r rz r r r Ú 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 | ƒ}|j}|s|j}t |d¡&}x | d¡}|s8P | |¡ q(W W dQ R X | ¡ | d¡}|r¢t |dƒ}| |¡ x | d¡}|sŒP | |¡ q|W |
¡ |
¡ dS )z6hexbin(infilename, outfilename) - Decode binhexed filer> i ô N) rh r
ru r r r r* rU r| r' r+ )rW rX rY r! r- rP r r r r Æ s,
)r8 r r rK r3 Ú__all__Ú Exceptionr rE rT r: r/ rg r
r& r' r, r9 r= r rZ r_ rh r r r r r Ú s,
&^*6h