U
    &]^[                     @   s`  d Z ddlmZmZ ddlZddlZddlZz,ddlmZm	Z	m
Z
mZmZmZmZmZ W n ek
rl   Y nX ddlmZ zddlZe  dZW n ek
r   dZY nX zddlZejZW nF ek
r   zddlZejZW n ek
r   dd	 ZY nX Y nX G d
d deZG dd deZG dd deZG dd deZ er^G dd deZ!nG dd de Z!dd Z"G dd dZ#G dd dZ$G dd de$Z%dd Z&ee&Z'e& Z(d2dd Z)ee)Z*['[&d!d" Z+ee+Z,e-d#Z.d3d$d%Z/ee/Z0d&d' Z1ee1Z2d(d) Z3ee3Z4d*d+ Z5ee5Z6d,d- Z7ee7Z8d4d.d/Z9ee9Z:d0d1 Z;ee;Z<dS )5z2 Facilities to deal with Debian-specific metadata     )absolute_importprint_functionN)AnyDictIteratorListOptionalPatternTextUnion)function_deprecated_byTFc                  G   s   t dd S )NzBuilt-in sha1 implementation not found; cannot use hashlib implementation because it depends on OpenSSL, which may not be linked with this library due to license incompatibilitiesNotImplementedError)args r   7/usr/lib/python3/dist-packages/debian/debian_support.pynew_sha1?   s    r   c                       s@   e Zd ZdZ fddZdd Zdd Zdd	 ZeeZ	  Z
S )

ParseErrorzAn exception which is used to signal a parse failure.

    Attributes:

    filename - name of the file
    lineno - line number in the file
    msg - error message

    c                    s4   t t|st|| _|| _|| _tt| |  d S N)	
isinstanceintAssertionErrorfilenamelinenomsgsuperr   __init__)selfr   r   r   	__class__r   r   r   R   s
    zParseError.__init__c                 C   s   | j S r   )r   r   r   r   r   __str__Y   s    zParseError.__str__c                 C   s   d| j | j| jf S )NzParseError(%r, %d, %r))r   r   r   r    r   r   r   __repr__\   s    zParseError.__repr__c                 C   s&   | d| j| j| jf  |  dS )z0Writes a machine-parsable error message to file.z
%s:%d: %s
N)writer   r   r   flush)r   filer   r   r   	print_outa   s    zParseError.print_out)__name__
__module____qualname____doc__r   r!   r"   r&   r   ZprintOut__classcell__r   r   r   r   r   G   s   
r   c                       s   e Zd ZdZedZdZdd Zdd Z	 fdd	Z
 fd
dZdd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zdd Zd d! Z  ZS )"BaseVersiona  Base class for classes representing Debian versions

    It doesn't implement any comparison, but it does check for valid versions
    according to Section 5.6.12 in the Debian Policy Manual.  Since splitting
    the version into epoch, upstream_version, and debian_revision components is
    pretty much free with the validation, it sets those fields as properties of
    the object, and sets the raw version to the full_version property.  A
    missing epoch or debian_revision results in the respective property set to
    None.  Setting any of the properties results in the full_version being
    recomputed and the rest of the properties set from that.

    It also implements __str__, just returning the raw version given to the
    initializer.
    zd^((?P<epoch>\d+):)?(?P<upstream_version>[A-Za-z0-9.+:~-]+?)(-(?P<debian_revision>[A-Za-z0-9+.~]+))?$)full_versionepochupstream_versiondebian_revisiondebian_versionc                 C   s   t |trt|}|| _d S r   )r   r,   strr-   r   versionr   r   r   r      s    
zBaseVersion.__init__c                 C   sr   | j |}|std| |dd krDd|dkrDtd| || _|d| _|d| _|d| _d S )NzInvalid version string %rr.   :r/   r0   )re_valid_versionmatch
ValueErrorgroupZ_BaseVersion__full_version_BaseVersion__epoch_BaseVersion__upstream_version_BaseVersion__debian_revision)r   r4   mr   r   r   _set_full_version   s    zBaseVersion._set_full_versionc                    s   || j kr tt| || d S |dkr,d}|dkrD| t| nt|d k	rTt|}d| }t| |}t| || z|   W n8 t	k
r   t| || |   t	d||f Y nX d S )Nr1   r0   r-   _BaseVersion__%sz+Setting %s to %r results in invalid version)
magic_attrsr   r,   __setattr__r>   r2   getattrsetattr_update_full_versionr8   )r   attrvalueprivate	old_valuer   r   r   rA      s(    

zBaseVersion.__setattr__c                    s8   || j krtt| |S |dkr&d}d| }t| |S )Nr1   r0   r?   )r@   r   r,   __getattribute__rB   )r   rE   rG   r   r   r   __getattr__   s    
zBaseVersion.__getattr__c                 C   sD   d}| j d k	r|| j d 7 }|| j7 }| jr:|d| j 7 }|| _d S )N r5   -)r:   r;   r<   r-   r3   r   r   r   rD      s    

z BaseVersion._update_full_versionc                 C   s   | j S r   )r-   r    r   r   r   r!      s    zBaseVersion.__str__c                 C   s   d| j j| f S )Nz%s('%s'))r   r'   r    r   r   r   r"      s    zBaseVersion.__repr__c                 C   s   t d S r   r   r   otherr   r   r   _compare   s    zBaseVersion._comparec                 C   s   |  |dk S Nr   rO   rM   r   r   r   __lt__   s    zBaseVersion.__lt__c                 C   s   |  |dkS rP   rQ   rM   r   r   r   __le__   s    zBaseVersion.__le__c                 C   s   |  |dkS rP   rQ   rM   r   r   r   __eq__   s    zBaseVersion.__eq__c                 C   s   |  |dkS rP   rQ   rM   r   r   r   __ne__   s    zBaseVersion.__ne__c                 C   s   |  |dkS rP   rQ   rM   r   r   r   __ge__   s    zBaseVersion.__ge__c                 C   s   |  |dkS rP   rQ   rM   r   r   r   __gt__   s    zBaseVersion.__gt__c                 C   s   t t| S r   )hashr2   r    r   r   r   __hash__   s    zBaseVersion.__hash__)r'   r(   r)   r*   recompiler6   r@   r   r>   rA   rJ   rD   r!   r"   rO   rR   rS   rT   rU   rV   rW   rY   r+   r   r   r   r   r,   i   s(   
r,   c                       s(   e Zd ZdZ fddZdd Z  ZS )AptPkgVersionzARepresents a Debian package version, using apt_pkg.VersionComparec                    s    t stdtt| | d S )Nz5apt_pkg not available; install the python-apt package)_have_apt_pkgr   r   r\   r   r3   r   r   r   r      s    zAptPkgVersion.__init__c                 C   s   t t| t|S r   )apt_pkgversion_comparer2   rM   r   r   r   rO      s    zAptPkgVersion._compare)r'   r(   r)   r*   r   rO   r+   r   r   r   r   r\      s   r\   c                   @   sd   e Zd ZdZedZedZedZedZ	dd Z
edd	 Zed
d Zedd ZdS )NativeVersionzBRepresents a Debian package version, with native Python comparisonz\d+|\D+z\d+z\dz[A-Za-z]c              
   C   s   |d krdS t |tsZztt|}W n2 tk
rX } ztd||f W 5 d }~X Y nX t| jpdd}t|jprd}||k rdS ||krdS | | jpd|jpd}|dkr|S | | jpd|jpdS )N   z&Couldn't convert %r to BaseVersion: %s0r   )	r   r,   r2   r8   r   r.   _version_cmp_partr/   r0   )r   rN   eZlepochZrepochresr   r   r   rO     s.    
zNativeVersion._comparec                 C   sD   |dkrdS | j |r$t|d S | j|r8t|S t|d S )z'Return an integer value for character x~rc   ra      )re_digitr7   r   re_alphaord)clsxr   r   r   _order*  s    zNativeVersion._orderc                    sn    fdd|D } fdd|D }|s,|rjd}d}|rB| d}|rP| d}||k r\dS ||kr$dS q$dS )Nc                    s   g | ]}  |qS r   rn   .0rm   rl   r   r   
<listcomp>9  s     z5NativeVersion._version_cmp_string.<locals>.<listcomp>c                    s   g | ]}  |qS r   ro   rp   rr   r   r   rs   :  s     r   rc   ra   )pop)rl   vavblalbabr   rr   r   _version_cmp_string6  s    

z!NativeVersion._version_cmp_stringc           
      C   s   | j |}| j |}|s |rd}d}|r6|d}|rD|d}| j|r| j|rt|}t|}||k rxdS ||krdS q| ||}	|	dkr|	S qdS )Nrb   r   rc   ra   )re_all_digits_or_notfindallrt   	re_digitsr7   r   r{   )
rl   ru   rv   rw   rx   ry   rz   ZavalZbvalrf   r   r   r   rd   H  s(    

zNativeVersion._version_cmp_partN)r'   r(   r)   r*   rZ   r[   r|   r~   ri   rj   rO   classmethodrn   r{   rd   r   r   r   r   r`     s   





r`   c                   @   s   e Zd ZdS VersionNr'   r(   r)   r   r   r   r   r   c  s   r   c                   @   s   e Zd ZdS r   r   r   r   r   r   r   f  s   c                 C   s,   t | }t |}||k rdS ||kr(dS dS )Nrc   ra   r   )r   )ry   rz   ru   rv   r   r   r   r_   j  s    r_   c                   @   sH   e Zd ZdZedZedZdddZdd	 Z	dd
dZ
ee
ZdS )PackageFilezmA Debian package file.

    Objects of this class can be used to read Debian's Source and
    Packages files.z+^([A-Za-z][A-Za-z0-9-_]+):(?:\s*(.*?))?\s*$z^\s+(?:\.|(\S.*?)\s*)$Nutf-8c                 C   s.   |dkrt |d}|| _|| _d| _|| _dS )zCreates a new package file object.

        name - the name of the file the data comes from
        file_obj - an alternate data source; the default is to open the
                  file with the indicated name.
        Nrbr   )opennamer%   r   encoding)r   r   Zfile_objr   r   r   r   r   ~  s    
zPackageFile.__init__c                 c   s  | j  | j}|  jd7  _g }|r|ddkrr|sF| d |V  g }| j  | j}|  jd7  _q$| j|}|s| d |	 \}}|pd}| j  | j}|  jd7  _| j
|}|r|	 \}|d krd}d||f }qqq|||f q$|r|V  d S )Nra   z 	
zexpected package recordzexpected package fieldrK   z%s
%s)r%   readlinedecoder   r   stripraise_syntax_errorre_fieldr7   groupsre_continuationappend)r   linepkgr7   r   contentsZ	ncontentsr   r   r   __iter__  s:    


zPackageFile.__iter__c                 C   s    |d kr| j }t| j||d S r   )r   r   r   )r   r   r   r   r   r   r     s    zPackageFile.raise_syntax_error)Nr   )N)r'   r(   r)   r*   rZ   r[   r   r   r   r   r   r   ZraiseSyntaxErrorr   r   r   r   r   u  s   


#
r   c                   @   s`   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d Zdd Z	dd Z
dd Zdd Zdd ZdS )
PseudoEnumz8A base class for types which resemble enumeration types.c                 C   s   || _ || _d S r   )_namern   )r   r   orderr   r   r   r     s    zPseudoEnum.__init__c                 C   s   d| j j| jf S )Nz%s(%r))r   r'   r   r    r   r   r   r"     s    zPseudoEnum.__repr__c                 C   s   | j S r   )r   r    r   r   r   r!     s    zPseudoEnum.__str__c                 C   s   | j |j k S r   ro   rM   r   r   r   rR     s    zPseudoEnum.__lt__c                 C   s   | j |j kS r   ro   rM   r   r   r   rS     s    zPseudoEnum.__le__c                 C   s   | j |j kS r   ro   rM   r   r   r   rT     s    zPseudoEnum.__eq__c                 C   s   | j |j kS r   ro   rM   r   r   r   rU     s    zPseudoEnum.__ne__c                 C   s   | j |j kS r   ro   rM   r   r   r   rV     s    zPseudoEnum.__ge__c                 C   s   | j |j kS r   ro   rM   r   r   r   rW     s    zPseudoEnum.__gt__c                 C   s
   t | jS r   )rX   rn   r    r   r   r   rY     s    zPseudoEnum.__hash__N)r'   r(   r)   r*   r   r"   r!   rR   rS   rT   rU   rV   rW   rY   r   r   r   r   r     s   r   c                   @   s   e Zd ZdS )ReleaseNr   r   r   r   r   r     s   r   c                  C   s2   i } d}t |D ]\}}t||| |< q| t_| S )N)ZbuzzZrexZboZhammZslinkZpotatoZwoodyZsargeZetchZlennyZsqueezeZwheezyZjessieZstretchZbusterZbullseyeZsid)	enumerater   releases)r   ZrelsidxZrelr   r   r   list_releases  s    r   c                 C   s   |d krt }|| S r   )_release_listget)r   r   r   r   r   intern_release  s    r   c                 C   s>   t  }| D ]*}t|tr$|| q
||d q
| S )NUTF-8)r   r   bytesupdateencodeZ	hexdigest)linesr=   lr   r   r   read_lines_sha1  s    
r   z^(\d+)(?:,(\d+))?([acd])$c           
      c   s  t | }|dkrt}|D ]}||}|dkr:td| | \}}}t|}|dk	r`t|}|dkr|d }|dkr|d }||g fV  q|dkr|dk	rtd| |}n|d }|dkr|d }g }|D ]0}	|	dkrtd| |	d	kr q||	 q|||fV  qdS )
a1  Converts source to a stream of patches.

    Patches are triples of line indexes:

    - number of the first line to be replaced
    - one plus the number of the last line to be replaced
    - list of line replacements

    This is enough to model arbitrary additions, deletions and
    replacements.
    Nzinvalid patch command: %rdra   ry   zinvalid patch argument: %rrK   zend of stream in command: %r)z.
.)iter	_patch_rer7   r8   r   r   r   )
sourceZre_cmdir   r7   firstlastcmdr   cr   r   r   patches_from_ed_script  s@    
r   c                 C   s    |D ]\}}}|| ||< qdS )z2Applies patches to lines.  Updates lines in place.Nr   )r   Zpatchesr   r   r   r   r   r   patch_linesX  s    r   c              	   C   s\   |d }t |d}z,| D ]}|| q|  t|| W 5 tj|rVt| X d S )Nz.newzw+)r   ospathexistsunlinkr#   closerename)r   localZ	local_newZnew_filer   r   r   r   replace_fileb  s    
r   c           
   	   C   sp   ddl }ddl}ddlm} | \}}z6t| || |\}}||}|	 }	|  W 5 t| X |	S )z[Downloads a file from a remote location and gunzips it.

    Returns the lines in the file.r   N)urlretrieve)
gziptempfilesix.moves.urllib.requestr   Zmkstempr   r   r   ZGzipFile	readlines)
remoter   r   r   Zhandlefnamer   _Zgfiler   r   r   r   download_gunzip_linest  s    	

r   c                 C   s   t | d }t|| |S )zCopies a gzipped remote file to the local system.

    remote - URL, without the .gz suffix
    local - name of the local file
    .gz)r   r   )r   r   r   r   r   r   download_file  s    
r   c                 C   s  zt |}W n* tk
r6   |r(td t| | Y S X | }|  t|}g }i }ddlm} | d }	t	
d}
z||	}tt|	|}W nR tk
r   |rtd t| | Y S  tk
r   |rtd t| | Y S X |D ]}|D ]\}}|dkr4|
|\}}||kr|r&td	 |    S q|d
kr| D ]>}|dkrXqF|
|\}}}|sx||krF|| qFq|dkr| D ],}|dkrq|
|\}}}|||< qq|rtd|  qq|s|rtd| t| |S |D ]f}|rtd|  t| d | d }t||| krJtd| dd |D }t|t| qt|}||krtd||f t|| |S )zjUpdates the local file by downloading a remote patch.

    Returns a list of lines in the local file.
    z1update_file: no local copy, downloading full filer   )urlopenz.diff/Indexz\s+z1update_file: could not interpret patch index filez0update_file: could not download patch index filezSHA1-Currentz%update_file: local file is up-to-datezSHA1-HistoryrK   zSHA1-Patcheszupdate_file: field %r ignoredz*update_file: could not find historic entryz!update_file: downloading patch %rz.diff/r   zpatch %r was garbledc                 S   s   g | ]}| d qS )r   )r   )rq   pr   r   r   rs     s     zupdate_file.<locals>.<listcomp>z"patch failed, got %s instead of %s)r   IOErrorprintr   r   r   r   r   r   rZ   r[   listr   r   split
splitlinesr   r   r8   r   r   r   )r   r   verboseZ
local_filer   Z
local_hashZpatches_to_applyZpatch_hashesr   Z
index_nameZre_whitespaceZ	index_urlZindex_fieldsZfieldsZfieldrF   Zremote_hashr   entryZ	hist_hashZ
patch_nameZ
patch_hashZpatch_contentsZpatch_contents_unicodeZnew_hashr   r   r   update_file  s    









r   c                  G   s(   i }| D ]}|D ]}d||< qqt |S )zdCreate an order set (represented as a list) of the objects in
    the sequences passed as arguments.T)sorted)r   srm   yr   r   r   merge_as_sets  s
    r   )N)N)N)=r*   Z
__future__r   r   r   os.pathrZ   typingr   r   r   r   r   r	   r
   r   ImportErrorZdebian.deprecationr   r^   Zinitr]   Z_shanewr   Z_sha1Zsha1	Exceptionr   objectr,   r\   r`   r   r_   r   r   r   r   ZlistReleasesr   r   ZinternReleaser   ZreadLinesSHA1r[   r   r   ZpatchesFromEdScriptr   Z
patchLinesr   ZreplaceFiler   ZdownloadGunzipLinesr   ZdownloadFiler   Z
updateFiler   ZmergeAsSetsr   r   r   r   <module>   sx   ,



" 
_B%


8
c
