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a
    XC?hsk  ã                   @   s
  d Z ddlZddlZddlZddlZddlZddlZddlZddlm	Z	 ddl
mZmZmZ ddlmZ ddlmZmZ ddlmZ d d
d„ZG dd„ deƒZdd„ Zdd„ Zdd„ Zdd„ Zdd„ ZG dd„ deƒZG dd„ deƒZG dd„ deƒZ G dd„ deƒZ!dS )!z#Guido van Rossum <guido@python.org>é    N)Úchainé   )ÚdriverÚtokenizeÚtoken)Ú	find_root)ÚpytreeÚpygram)Úbtm_matcherTc                 C   sT   t | g g dgƒ}g }t |j¡D ].\}}}| d¡r |rD|dd … }| |¡ q |S )NÚ*Úfix_é   )Ú
__import__ÚpkgutilZiter_modulesÚ__path__Ú
startswithÚappend)Z	fixer_pkgZremove_prefixZpkgZ	fix_namesÚfinderÚnameZispkg© r   ú5/opt/alt/python39/lib64/python3.9/lib2to3/refactor.pyÚget_all_fix_names   s    
r   c                   @   s   e Zd ZdS )Ú
_EveryNodeN©Ú__name__Ú
__module__Ú__qualname__r   r   r   r   r   +   s   r   c                 C   s’   t | tjtjfƒr(| jd u r t‚| jhS t | tjƒrH| jrDt| jƒS t‚t | tj	ƒr‚t
ƒ }| jD ]}|D ]}| t|ƒ¡ qhq`|S td|  ƒ‚d S )Nz$Oh no! I don't understand pattern %s)Ú
isinstancer   ZNodePatternZLeafPatternÚtyper   ZNegatedPatternZcontentÚ_get_head_typesZWildcardPatternÚsetÚupdateÚ	Exception)ZpatÚrÚpÚxr   r   r   r   /   s    


r   c              	   C   s¼   t  t¡}g }| D ]v}|jrbzt|jƒ}W n tyF   | |¡ Y qˆ0 |D ]}||  |¡ qLq|jd ur~||j  |¡ q| |¡ qtt	j
j ¡ t	j
jƒD ]}||  |¡ q t|ƒS ©N)ÚcollectionsÚdefaultdictÚlistÚpatternr   r   r   Z_accept_typer   r	   Úpython_grammarZsymbol2numberÚvaluesÚtokensÚextendÚdict)Z
fixer_listZ
head_nodesZeveryÚfixerZheadsZ	node_typer   r   r   Ú_get_headnode_dictK   s$    

ÿr1   c                    s   ‡ fdd„t ˆ dƒD ƒS )Nc                    s   g | ]}ˆ d  | ‘qS ©Ú.r   )Ú.0Úfix_name©Zpkg_namer   r   Ú
<listcomp>h   s   ÿz+get_fixers_from_package.<locals>.<listcomp>F)r   r6   r   r6   r   Úget_fixers_from_packaged   s    
ÿr8   c                 C   s   | S r&   r   )Úobjr   r   r   Ú	_identityk   s    r:   c                    sV  d}t  t | ¡j¡‰ ‡ fdd„}ttjt jtj	hƒ}t
ƒ }zü|ƒ \}}||v rTq>q>|tjkrl|rfq6d}q>|tjkr6|dkr6|ƒ \}}|tjksž|dkr¢q6|ƒ \}}|tjks¾|dkrÂq6|ƒ \}}|tjkrè|dkrè|ƒ \}}|tjkr4| |¡ |ƒ \}}|tjks.|d	kr"q4|ƒ \}}qèq>q6q>W n tyL   Y n0 t|ƒS )
NFc                     s   t ˆ ƒ} | d | d fS )Nr   r   )Únext)Útok©Úgenr   r   Úadvancer   s    z(_detect_future_features.<locals>.advanceTÚfromZ
__future__Úimportú(ú,)r   Úgenerate_tokensÚioÚStringIOÚreadlineÚ	frozensetr   ÚNEWLINEÚNLÚCOMMENTr    ÚSTRINGÚNAMEÚOPÚaddÚStopIteration)ÚsourceZhave_docstringr?   ÚignoreÚfeaturesÚtpÚvaluer   r=   r   Ú_detect_future_featureso   sB    








rV   c                   @   s   e Zd ZdS )Ú
FixerErrorNr   r   r   r   r   rW   —   s   rW   c                   @   sæ   e Zd ZddddœZdZdZd4dd„Zdd	„ Zd
d„ Zdd„ Z	dd„ Z
dd„ Zd5dd„Zd6dd„Zdd„ Zd7dd„Zdd„ Zd8dd„Zdd„ Zd d!„ Zd9d"d#„Zd:d$d%„Zd&Zd'Zd(d)„ Zd*d+„ Zd,d-„ Zd.d/„ Zd0d1„ Zd2d3„ ZdS );ÚRefactoringToolF)Úprint_functionÚexec_functionÚwrite_unchanged_filesZFixr   Nc                 C   sJ  || _ |pg | _| j ¡ | _|d ur0| j |¡ tj ¡ | _| jd rR| jj	d= n| jd rf| jj	d= | j 
d¡| _g | _t d¡| _g | _d| _tj| jtj| jd| _|  ¡ \| _| _g | _t ¡ | _g | _g | _t| j| jƒD ]H}|j rü| j !|¡ qä|| jv r| j "|¡ qä|| jv rä| j "|¡ qät#| jƒ| _$t#| jƒ| _%d S )	NrY   ÚprintrZ   Úexecr[   rX   F)ÚconvertÚlogger)&ÚfixersÚexplicitÚ_default_optionsÚcopyÚoptionsr!   r	   r+   ÚgrammarÚkeywordsÚgetr[   ÚerrorsÚloggingZ	getLoggerr_   Ú	fixer_logÚwroter   ZDriverr   r^   Ú
get_fixersÚ	pre_orderÚ
post_orderÚfilesÚbmZBottomMatcherÚBMZbmi_pre_orderZbmi_post_orderr   ZBM_compatibleZ	add_fixerr   r1   Úbmi_pre_order_headsÚbmi_post_order_heads)ÚselfZfixer_namesrd   ra   r0   r   r   r   Ú__init__¤   sB    



þ

zRefactoringTool.__init__c              	   C   sV  g }g }| j D ]}t|i i dgƒ}| dd¡d }| | j¡rR|t| jƒd … }| d¡}| jd dd„ |D ƒ¡ }zt	||ƒ}W n$ t
y¨   td	||f ƒd ‚Y n0 || j| jƒ}	|	jrà| jd
urà|| jvrà|  d|¡ q|  d|¡ |	jdkr| |	¡ q|	jdkr| |	¡ qtd|	j ƒ‚qt d¡}
|j|
d |j|
d ||fS )Nr   r3   r   éÿÿÿÿÚ_Ú c                 S   s   g | ]}|  ¡ ‘qS r   )Útitle)r4   r$   r   r   r   r7   ë   ó    z.RefactoringTool.get_fixers.<locals>.<listcomp>zCan't find %s.%sTzSkipping optional fixer: %szAdding transformation: %sZpreZpostzIllegal fixer order: %rZ	run_order©Úkey)r`   r   Úrsplitr   ÚFILE_PREFIXÚlenÚsplitÚCLASS_PREFIXÚjoinÚgetattrÚAttributeErrorrW   rd   rj   ra   Úlog_messageÚ	log_debugÚorderr   ÚoperatorÚ
attrgetterÚsort)rt   Zpre_order_fixersZpost_order_fixersZfix_mod_pathÚmodr5   ÚpartsÚ
class_nameZ	fix_classr0   Zkey_funcr   r   r   rl   Û   s:    
ÿ
zRefactoringTool.get_fixersc                  O   s   ‚ d S r&   r   )rt   ÚmsgÚargsÚkwdsr   r   r   Ú	log_error  s    zRefactoringTool.log_errorc                 G   s   |r|| }| j  |¡ d S r&   )r_   Úinfo©rt   rŽ   r   r   r   r   r…     s    zRefactoringTool.log_messagec                 G   s   |r|| }| j  |¡ d S r&   )r_   Údebugr“   r   r   r   r†     s    zRefactoringTool.log_debugc                 C   s   d S r&   r   )rt   Úold_textÚnew_textÚfilenameÚequalr   r   r   Úprint_output  s    zRefactoringTool.print_outputc                 C   s8   |D ].}t j |¡r$|  |||¡ q|  |||¡ qd S r&   )ÚosÚpathÚisdirÚrefactor_dirÚrefactor_file)rt   ÚitemsÚwriteÚdoctests_onlyZdir_or_filer   r   r   Úrefactor  s    zRefactoringTool.refactorc           
      C   sš   t jd }t  |¡D ]€\}}}|  d|¡ | ¡  | ¡  |D ]>}| d¡s>t j |¡d |kr>t j ||¡}	|  	|	||¡ q>dd„ |D ƒ|d d …< qd S )NÚpyzDescending into %sr3   r   c                 S   s   g | ]}|  d ¡s|‘qS r2   )r   )r4   Zdnr   r   r   r7   2  rz   z0RefactoringTool.refactor_dir.<locals>.<listcomp>)
rš   ÚextsepÚwalkr†   rŠ   r   r›   Úsplitextr‚   rž   )
rt   Zdir_namer    r¡   Zpy_extÚdirpathZdirnamesÚ	filenamesr   Úfullnamer   r   r   r      s    

ÿzRefactoringTool.refactor_dirc              
   C   s®   zt |dƒ}W n4 tyB } z|  d||¡ W Y d }~dS d }~0 0 zt |j¡d }W | ¡  n
| ¡  0 tj |d|dd}| ¡ |fW  d   ƒ S 1 s 0    Y  d S )NÚrbzCan't open %s: %s)NNr   r#   rx   ©ÚencodingÚnewline)	ÚopenÚOSErrorr‘   r   Údetect_encodingrG   ÚcloserE   Úread)rt   r—   ÚfÚerrr¬   r   r   r   Ú_read_python_source4  s    z#RefactoringTool._read_python_sourcec                 C   sº   |   |¡\}}|d u rd S |d7 }|rn|  d|¡ |  ||¡}| jsL||kr`|  |||||¡ q¶|  d|¡ nH|  ||¡}| jsŠ|rª|jrª| jt|ƒd d… |||d n|  d|¡ d S )NÚ
zRefactoring doctests in %szNo doctest changes in %srv   )r    r¬   zNo changes in %s)rµ   r†   Úrefactor_docstringr[   Úprocessed_fileÚrefactor_stringÚwas_changedÚstr)rt   r—   r    r¡   Úinputr¬   ÚoutputÚtreer   r   r   rž   D  s     ÿzRefactoringTool.refactor_filec              
   C   s°   t |ƒ}d|v rtj| j_zfz| j |¡}W nF tyr } z.|  d||jj	|¡ W Y d }~W | j| j_d S d }~0 0 W | j| j_n| j| j_0 ||_
|  d|¡ |  ||¡ |S )NrY   zCan't parse %s: %s: %szRefactoring %s)rV   r	   Z!python_grammar_no_print_statementr   re   Zparse_stringr"   r‘   Ú	__class__r   Úfuture_featuresr†   Úrefactor_tree)rt   Údatar   rS   r¾   r´   r   r   r   r¹   [  s"    

ÿ
þzRefactoringTool.refactor_stringc                 C   sŒ   t j ¡ }|rN|  d¡ |  |d¡}| js2||krB|  |d|¡ qˆ|  d¡ n:|  |d¡}| jsj|r~|jr~|  t	|ƒd|¡ n
|  d¡ d S )NzRefactoring doctests in stdinz<stdin>zNo doctest changes in stdinzNo changes in stdin)
ÚsysÚstdinr²   r†   r·   r[   r¸   r¹   rº   r»   )rt   r¡   r¼   r½   r¾   r   r   r   Úrefactor_stdinv  s    

zRefactoringTool.refactor_stdinc           
   
   C   sÚ  t | j| jƒD ]}| ||¡ q|  | j| ¡ ¡ |  | j| ¡ ¡ | j | 	¡ ¡}t
| ¡ ƒr²| jjD ]B}||v rj|| rj|| jtjjdd |jr°|| jtjjd t|| ƒD ]ð}||| v rÚ||  |¡ zt|ƒ W n t yþ   Y q¼Y n0 |jr||jv rq¼| |¡}|r¼| ||¡}|d ur¼| |¡ | ¡ D ] }|js\g |_|j |¡ qJ| j | 	¡ ¡}|D ]*}	|	|vr–g ||	< ||	  ||	 ¡ q€q¼qjqTt | j| jƒD ]}| ||¡ qÀ|jS )NT)r|   Úreverser{   )r   rm   rn   Z
start_treeÚtraverse_byrr   rs   rq   ÚrunZleavesÚanyr,   r`   rŠ   r   ZBaseZdepthZkeep_line_orderZ
get_linenor)   Úremover   Ú
ValueErrorZfixers_appliedÚmatchÚ	transformÚreplacer   r.   Zfinish_treerº   )
rt   r¾   r   r0   Z	match_setÚnodeÚresultsÚnewZnew_matchesZfxrr   r   r   rÁ   †  sJ    



zRefactoringTool.refactor_treec                 C   sV   |sd S |D ]D}||j  D ]4}| |¡}|r| ||¡}|d ur| |¡ |}qqd S r&   )r   rÌ   rÍ   rÎ   )rt   r`   Z	traversalrÏ   r0   rÐ   rÑ   r   r   r   rÇ   Õ  s    

zRefactoringTool.traverse_byc                 C   s†   | j  |¡ |d u r.|  |¡d }|d u r.d S ||k}|  ||||¡ |r`|  d|¡ | js`d S |rv|  ||||¡ n|  d|¡ d S )Nr   zNo changes to %szNot writing changes to %s)ro   r   rµ   r™   r†   r[   Ú
write_file)rt   r–   r—   r•   r    r¬   r˜   r   r   r   r¸   ì  s    zRefactoringTool.processed_filec                 C   sÈ   zt j|d|dd}W n4 tyJ } z|  d||¡ W Y d }~d S d }~0 0 |R z| |¡ W n2 ty’ } z|  d||¡ W Y d }~n
d }~0 0 W d   ƒ n1 s¨0    Y  |  d|¡ d| _d S )NÚwrx   r«   zCan't create %s: %szCan't write %s: %szWrote changes to %sT)rE   r®   r¯   r‘   r    r†   rk   )rt   r–   r—   r•   r¬   Úfpr´   r   r   r   rÒ     s    BzRefactoringTool.write_filez>>> z... c           
   	   C   s  g }d }d }d }d}|j ddD ]È}|d7 }| ¡  | j¡r~|d urZ| |  ||||¡¡ |}|g}| | j¡}	|d |	… }q |d ur¸| || j ¡s¬||| j ¡  d kr¸| 	|¡ q |d urÖ| |  ||||¡¡ d }d }| 	|¡ q |d ur
| |  ||||¡¡ d 
|¡S )Nr   T©Úkeependsr   r¶   rx   )Ú
splitlinesÚlstripr   ÚPS1r.   Úrefactor_doctestÚfindÚPS2Úrstripr   r‚   )
rt   r¼   r—   ÚresultÚblockZblock_linenoÚindentÚlinenoÚlineÚir   r   r   r·     sD    ÿÿþÿ
ÿz"RefactoringTool.refactor_docstringc           
   
      s  zˆ  ||ˆ ¡}W nh tyz } zPˆj tj¡rL|D ]}ˆ d| d¡¡ q4ˆ d|||j	j
|¡ |W  Y d }~S d }~0 0 ˆ ||¡rt|ƒjdd}|d |d … ||d d …  }	}|d  d¡sÚ|d  d7  < ˆ ˆj | d¡ g}|r|‡ ‡fd	d
„|D ƒ7 }|S )Nz
Source: %sr¶   z+Can't parse docstring in %s line %s: %s: %sTrÕ   r   rv   r   c                    s   g | ]}ˆ ˆj  | ‘qS r   )rÜ   )r4   râ   ©rà   rt   r   r   r7   ^  rz   z4RefactoringTool.refactor_doctest.<locals>.<listcomp>)Úparse_blockr"   r_   ZisEnabledForri   ÚDEBUGr†   rÝ   r‘   r¿   r   rÁ   r»   r×   ÚendswithrÙ   Úpop)
rt   rß   rá   rà   r—   r¾   r´   râ   rÑ   Zclippedr   rä   r   rÚ   D  s&    ÿ"z RefactoringTool.refactor_doctestc                 C   sÌ   | j rd}nd}| js$|  d|¡ n"|  d|¡ | jD ]}|  |¡ q6| jrl|  d¡ | jD ]}|  |¡ q\| jrÈt| jƒdkrŒ|  d¡ n|  dt| jƒ¡ | jD ]"\}}}| j|g|¢R i |¤Ž q¤d S )	NÚwerez
need to bezNo files %s modified.zFiles that %s modified:z$Warnings/messages while refactoring:r   zThere was 1 error:zThere were %d errors:)rk   ro   r…   rj   rh   r   )rt   ré   ÚfileÚmessagerŽ   r   r   r   r   r   Ú	summarizea  s$    


zRefactoringTool.summarizec                 C   s"   | j  |  |||¡¡}tƒ |_|S r&   )r   Zparse_tokensÚ	wrap_toksrH   rÀ   )rt   rß   rá   rà   r¾   r   r   r   rå   x  s    zRefactoringTool.parse_blockc                 c   sd   t  |  ||¡j¡}|D ]F\}}\}}\}	}
}||d 7 }|	|d 7 }	||||f|	|
f|fV  qd S )Nr   )r   rD   Ú	gen_linesÚ__next__)rt   rß   rá   rà   r-   r   rU   Zline0Zcol0Zline1Zcol1Z	line_textr   r   r   rí   ‚  s
    zRefactoringTool.wrap_toksc                 c   sx   || j  }|| j }|}|D ]N}| |¡r>|t|ƒd … V  n(|| ¡ d krVdV  ntd||f ƒ‚|}qdV  qld S )Nr¶   zline=%r, prefix=%rrx   )rÙ   rÜ   r   r   rÝ   ÚAssertionError)rt   rß   rà   Úprefix1Zprefix2Úprefixrâ   r   r   r   rî     s    


zRefactoringTool.gen_lines)NN)FF)FF)FF)F)NFN)N)r   r   r   rb   r   r~   ru   rl   r‘   r…   r†   r™   r¢   r   rµ   rž   r¹   rÅ   rÁ   rÇ   r¸   rÒ   rÙ   rÜ   r·   rÚ   rì   rå   rí   rî   r   r   r   r   rX   ›   s@   þ
7(
	


O  ÿ

+
rX   c                   @   s   e Zd ZdS )ÚMultiprocessingUnsupportedNr   r   r   r   r   ró   ¤  s   ró   c                       sB   e Zd Z‡ fdd„Zd‡ fdd„	Z‡ fdd„Z‡ fd	d
„Z‡  ZS )ÚMultiprocessRefactoringToolc                    s&   t t| ƒj|i |¤Ž d | _d | _d S r&   )Úsuperrô   ru   ÚqueueÚoutput_lock©rt   r   Úkwargs©r¿   r   r   ru   ª  s    z$MultiprocessRefactoringTool.__init__Fr   c              
      s>  |dkrt tˆƒ |||¡S zdd l‰ W n ty>   t‚Y n0 ˆjd urRtdƒ‚ˆ  ¡ ˆ_ˆ  	¡ ˆ_
‡ ‡fdd„t|ƒD ƒ}zn|D ]}| ¡  q„t tˆƒ |||¡ W ˆj ¡  t|ƒD ]}ˆj d ¡ qº|D ]}| ¡ rÐ| ¡  qÐd ˆ_nLˆj ¡  t|ƒD ]}ˆj d ¡ q |D ]}| ¡ r| ¡  qd ˆ_0 d S )Nr   r   z already doing multiple processesc                    s   g | ]}ˆ j ˆjd ‘qS ))Útarget)ZProcessÚ_child)r4   rã   ©Úmultiprocessingrt   r   r   r7   ¼  s   ÿz8MultiprocessRefactoringTool.refactor.<locals>.<listcomp>)rõ   rô   r¢   rþ   ÚImportErrorró   rö   ÚRuntimeErrorZJoinableQueueZLockr÷   ÚrangeÚstartr‚   ÚputZis_alive)rt   rŸ   r    r¡   Znum_processesZ	processesr$   rã   rú   rý   r   r¢   ¯  sF    
ÿ



ÿ
ÿ

ú

z$MultiprocessRefactoringTool.refactorc                    s\   | j  ¡ }|d urX|\}}z$tt| ƒj|i |¤Ž W | j  ¡  n| j  ¡  0 | j  ¡ }q
d S r&   )rö   rg   rõ   rô   rž   Z	task_done)rt   Ztaskr   rù   rú   r   r   rü   Ì  s    

ÿÿz"MultiprocessRefactoringTool._childc                    s6   | j d ur| j  ||f¡ ntt| ƒj|i |¤ŽS d S r&   )rö   r  rõ   rô   rž   rø   rú   r   r   rž   ×  s    

ÿÿz)MultiprocessRefactoringTool.refactor_file)FFr   )r   r   r   ru   r¢   rü   rž   Ú__classcell__r   r   rú   r   rô   ¨  s     ÿrô   )T)"Ú
__author__rE   rš   r   rÃ   ri   rˆ   r'   Ú	itertoolsr   Zpgen2r   r   r   Z
fixer_utilr   rx   r   r	   r
   rp   r   r"   r   r   r1   r8   r:   rV   rW   ÚobjectrX   ró   rô   r   r   r   r   Ú<module>   s6   
(    