3
\6 @ s d Z ddlZddlZddlZddlZdddgZG dd deZdZdZ dZ
d Z d
Z G d d d Z
d
d ZG dd dZG dd dZG dd dZG dd dZdd ZG dd dZG dd dZG d d d Zd d ZdS ) zMacintosh binhex compression/decompression.
easy interface:
binhex(inputfilename, outputfilename)
hexbin(inputfilename, outputfilename)
NbinhexhexbinErrorc @ 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 )TypeCreatorFlags)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| d2}|jd}d|kr,d|_|jdd |j }W d Q R X tjj | \}}|j
ddd}|||dfS ) Nrbi r ZTEXT :-r
) r
ioopenreadr seektellospathsplitreplace)namefinfofpdataZdsizedirfiler 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# hqxdataLINELENlinelen)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. binasciib2a_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 ZforcefirstZlastr 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 |tr.|}tj|d}d}yR|jd t|} t| | _d| _|d kr`t }|| _
|| _ | j || t
| _W n |r|j Y nX d S )NFwbTs0 (This file must be converted with BinHex 4.0)
:r )
isinstancestrr r r* r, r9 r- crcr
dlenrlen
_writeinfo _DID_HEADERstater+ )
r Zname_finfo_dlen_rlenr- r r! rB rC Zclose_on_errorZofnameZhqxerr r r r s*
zBinHex.__init__c C s t |}|dkrtdt|g|jd d }|j|j }}t|trR|jd}t|trf|jd}|| }tj d|j
}tj d| j | j } || | | }
| j
|
| j d S )N? zFilename too longzlatin-1 z>hz>ii)r2 r bytesencoder r r? r@ structpackr rB rC _write _writecrc) r r r! nldtpZcrZd2Zd3Zd4infor 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+ )inpoutr! 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}|std|| }q:W || }|t| }| r
| j r
tdq
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 ZtotalwtdZdecdatawtdr# Z
decdatacurnewdatar 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 | jkr"| 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 tkrn|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 |trtj|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| jjdd 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 ZfnameresttypeZcreatorflagsr 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}|rt |d}|j| x |jd}|sP |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