JFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3RbrJFIFxxC      C  " }!1AQa"q2#BR$3br %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz w!1AQaq"2B #3RbrB |/\Yw@sddlmZddlZddlmZddlmZddlZddgZyddl m Z Wn e k rlddl m Z YnXyeZWnek reZYnXyeWnek reZYnXdd Zefd dZd d Zd dZddZddZddZddZddZddZdiddZddZGdd d ZGd!d"d"Z Gd#d$d$e!Z"d%d&Z#d'd(Z$d)d*Z%d+d,Z&d-d.Z'd/d0Z(Gd1d2d2eZ)Gd3d4d4e)Z*Gd5d6d6e)Z+djd8d9Z,dkd:d;Z-e.dej/ej0BZ3d?d@Z4e.dAZ5dBdCZ6dDdEZ7dFZ8dGZ9dHZ:dldIdJZ;e.dKej<Z=dLdMZ>e.dNZ?dOdPZ@dQdRZAdSdTZBdUdVZCdWdXZDdYdZZEdmd[d\ZFd]d^ZGd_d`ZHdadbZIdcddZJGdedfdfejKZLeMdgkrddhlmNZNeNOdS)n)absolute_importN)etree)fragment_fromstring html_annotatehtmldiff)escapecCsdtt|d|fS)Nz%s) html_escape_unicode)textversionr A/opt/alt/python37/lib64/python3.7/site-packages/lxml/html/diff.pydefault_markupsrcCsZdd|D}|d}x"|ddD]}t|||}q$Wt|}t||}d|S)a doclist should be ordered from oldest to newest, like:: >>> version1 = 'Hello World' >>> version2 = 'Goodbye World' >>> print(html_annotate([(version1, 'version 1'), ... (version2, 'version 2')])) Goodbye World The documents must be *fragments* (str/UTF8 or unicode), not complete documents The markup argument is a function to markup the spans of words. This function is called like markup('Hello', 'version 2'), and returns HTML. The first argument is text and never includes any markup. The default uses a span with a title: >>> print(default_markup('Some Text', 'by Joe')) Some Text cSsg|]\}}t||qSr )tokenize_annotated).0docr r r r =sz!html_annotate..rrN)html_annotate_merge_annotationscompress_tokensmarkup_serialize_tokensjoinstrip)ZdoclistZmarkup tokenlistZ cur_tokenstokensresultr r rr#s  cCs$t|dd}x|D] }||_qW|S)zFTokenize a document and add an annotation attribute to each token F) include_hrefs)tokenize annotation)rrrtokr r rrKs   rc CsZt||d}|}x@|D]8\}}}}}|dkr|||} |||} t| | qWdS)zMerge the annotations from tokens_old into tokens_new, when the tokens in the new document already existed in the old document. )abequalN)InsensitiveSequenceMatcher get_opcodescopy_annotations) Z tokens_oldZ tokens_newscommandscommandi1i2j1j2Zeq_oldZeq_newr r rrSs   rcCs8t|t|kstxt||D]\}}|j|_q WdS)zN Copy annotations from the tokens listed in src to the tokens in dest N)lenAssertionErrorzipr)srcdestZsrc_tokZdest_tokr r rr&`sr&cCsZ|dg}xJ|ddD]:}|djsH|jsH|dj|jkrHt||q||qW|S)zm Combine adjacent tokens when there is no HTML between the tokens, and they share an annotation rrN) post_tagspre_tagsrcompress_merge_backappend)rrr r r rrhs   rcCsv|d}t|tk s t|tk r,||nFt|}|jrD||j7}||7}t||j|j|jd}|j|_||d<dS)zY Merge tok into the last element of tokens (modifying the list of tokens in-place). r3)r5r4trailing_whitespaceN)typetokenr7r r8r5r4r)rr lastr Zmergedr r rr6ws   r6ccshxb|D]Z}x|jD] }|VqW|}|||j}|jrD||j7}|Vx|jD] }|VqRWqWdS)zz Serialize the list of tokens into a list of text chunks, calling markup_func around text to add annotations. N)r5htmlrr8r4)rZ markup_funcr:prer<postr r rrs      rcCs0t|}t|}t||}d|}t|S)a Do a diff of the old and new document. The documents are HTML *fragments* (str/UTF8 or unicode), they are not complete documents (i.e., no tag). Returns HTML with and tags added around the appropriate text. Markup is generally ignored, with the markup from new_html preserved, and possibly some markup from old_html (though it is considered acceptable to lose some of the old markup). Only the words in the HTML are diffed. The exception is tags, which are treated like words, and the href attribute of tags, which are noted inside the tag itself when there are changes. r)rhtmldiff_tokensrrfixup_ins_del_tags)Zold_htmlZnew_htmlZold_html_tokensZnew_html_tokensrr r rrs  c Cst||d}|}g}x|D]\}}}}} |dkrP|t||| ddq|dks`|dkrzt||| } t| ||dks|dkrt|||} t| |qWt|}|S)z] Does a diff on the tokens themselves, returning a list of text chunks (not tokens). )r!r"r#T)r#insertreplacedelete)r$r%extend expand_tokens merge_insert merge_deletecleanup_delete) Z html1_tokensZ html2_tokensr'r(rr)r*r+r,r-Z ins_tokensZ del_tokensr r rr?s  r?Fccsjxd|D]\}x|jD] }|VqW|r*|jsL|jrB||jVn |Vx|jD] }|VqTWqWdS)zeGiven a list of tokens, return a generator of the chunks of text for the data in the tokens. N)r5hide_when_equalr8r<r4)rr#r:r=r>r r rrEs      rEcCst|\}}}|||r:|dds:|dd7<|d|rj|ddrj|ddd|d<|||d||dS)z| doc is the already-handled document (as a list of text chunks); here we add ins_chunks to the end of that. r3 zNz )split_unbalancedrDendswithr7)Z ins_chunksrunbalanced_startbalancedunbalanced_endr r rrFs    rFc@s eZdZdS) DEL_STARTN)__name__ __module__ __qualname__r r r rrPsrPc@s eZdZdS)DEL_ENDN)rQrRrSr r r rrTsrTc@seZdZdZdS) NoDeleteszY Raised when the document no longer contains any pending deletes (DEL_START/DEL_END) N)rQrRrS__doc__r r r rrUsrUcCs"|t|||tdS)z Adds the text chunks in del_chunks to the document doc (another list of text chunks) with marker to show it is a delete. cleanup_delete later resolves these markers into tags.N)r7rPrDrT)Z del_chunksrr r rrG s  rGcCsxyt|\}}}Wntk r*PYnXt|\}}}t|||t||||}|rx|ddsx|dd7<|d|r|ddr|ddd|d<|||d|||}qW|S)a Cleans up any DEL_START/DEL_END markers in the document, replacing them with . To do this while keeping the document valid, it may need to drop some tags (either start or end tags). It may also move the del into adjacent tags to try to move it to a similar location where it was originally located (e.g., moving a delete into preceding
tag, if the del looks like (DEL_START, 'Text
', DEL_END)r3rJzNz ) split_deleterUrKlocate_unbalanced_startlocate_unbalanced_endrLr7rD)chunks pre_deleterC post_deleterMrNrOrr r rrHs&       rHc Csg}g}g}g}x|D]}|ds0||q|ddk}|dd}|tkrb||q|r|r|dd|kr|||\}}} | ||<q|r|dd|Dg}||q||q||t||f|d qW|d d|Dd d|D}|||fS) a]Return (unbalanced_start, balanced, unbalanced_end), where each is a list of text and tag chunks. unbalanced_start is a list of all the tags that are opened, but not closed in this span. Similarly, unbalanced_end is a list of tags that are closed but were not opened. Extracting these might mean some reordering of the chunks./r3cSsg|]\}}}|qSr r )rnamepostagr r rrTsz$split_unbalanced..NcSsg|]\}}}|qSr r )rr_r`chunkr r rr]scSsg|]}|dk r|qS)Nr )rrbr r rr^s) startswithr7splitr empty_tagspoprDr.) rZstartendZ tag_stackrNrbZendtagr_r`rar r rrK9s:         rKcCs\y|t}Wntk r&tYnX|t}|d|||d|||ddfS)z Returns (stuff_before_DEL_START, stuff_inside_DEL_START_END, stuff_after_DEL_END). Returns the first case found (there may be more DEL_STARTs in stuff_after_DEL_END). Raises NoDeletes if there's no DEL_START found. Nr)indexrP ValueErrorrUrT)rZr`pos2r r rrWas   rWcCsx|sP|d}|dd}|s(P|d}|tksB|dsDP|ddkrRP|dd}|dkrnP|dkstd|||kr|d||dqPqWd S) a pre_delete and post_delete implicitly point to a place in the document (where the two were split). This moves that point (by popping items from one and pushing them onto the other). It moves the point to try to find a place where unbalanced_start applies. As an example:: >>> unbalanced_start = ['
'] >>> doc = ['

', 'Text', '

', '
', 'More Text', '
'] >>> pre, post = doc[:3], doc[3:] >>> pre, post (['

', 'Text', '

'], ['
', 'More Text', '
']) >>> locate_unbalanced_start(unbalanced_start, pre, post) >>> pre, post (['

', 'Text', '

', '
'], ['More Text', '
']) As you can see, we moved the point so that the dangling
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rr3rNr)Z getparentr rr.riZ getchildren)rparentr riZpreviousr r r_merge_element_contents?s*      rc@seZdZdZdZddZdS)r$zt Acts like SequenceMatcher, but tries not to find very small equal blocks amidst large spans of changes rcsDtt|jt|j}t|j|dtj|}fdd|DS)Ncs$g|]}|dks|ds|qS)rr )rr) thresholdr rrms zBInsensitiveSequenceMatcher.get_matching_blocks..)minr.r"rdifflibSequenceMatcherget_matching_blocks)rusizeactualr )rrris z.InsensitiveSequenceMatcher.get_matching_blocksN)rQrRrSrVrrr r r rr$asr$__main__) _diffcommand)F)T)T)F)F)P __future__rrlxmlrZ lxml.htmlrre__all__r<rr ImportErrorcgiunicoder NameErrorstrrrrrrr&rr6rrr?rErFrPrT ExceptionrUrGrHrKrWrXrYr:rvryrr|compileISrrrrZend_whitespace_rerr~rerrr}Urrrrrrrrr@rrrrrrr$rQrmainr r r rs      ( & '( 2)   7       "