a %@c)3@sLdZddlmZddlmZddlmZddlmZddlm Z ddlm Z ddl Z d d Z d d Z d dZd6ddZddZe dZe dZe dZe dZe dZe dZddZd7ddZe d Zd!d"Zd8d%d&Zd9d'd(ZGd)d*d*eZd+d,Zd-d.Z d/d0Z!Gd1d2d2ej"Z#Gd3d4d4e$Z%dd5l&m'Z'dS):aThis module parses and generates contentlines as defined in RFC 2445 (iCalendar), but will probably work for other MIME types with similar syntax. Eg. RFC 2426 (vCard) It is stupid in the sense that it treats the content purely as strings. No type conversion is attempted. )unicode_literals)compat) CaselessDict)DEFAULT_ENCODING)SEQUENCE_TYPES) to_unicodeNcCsJt|tjtjfsJ|ddddddddd d dd S) z=Format value according to iCalendar TEXT escaping rules. \N \\\;\;,\, \n isinstancer unicode_typeZ bytes_typereplacetextrS/var/www/dev/btcams2022/python_venv/lib/python3.9/site-packages/icalendar/parser.py escape_chars rcCst|tjtjfsJt|tjrV|ddddddddddd d St|tjr|d d d dddddddddSdS)Nrrrr rrr r r r s\Ns\n  s\,,s\;;s\\\rrrrr unescape_char!s2    r cCsNd}t|jdr|jj}n0t|jdrJz|j|}WntyHYn0|S)Nzonetzname)hasattrtzinfor!r"AttributeError)dtZtzidrrr tzid_from_dt4s    r'K c sttjsJdvsJzdWnttfy@Yn,0|fddtdtdDSg}d}D]:}t|t }||7}|kr| ||}| |qxd|S)aMake a string folded as defined in RFC5545 Lines of text SHOULD NOT be longer than 75 octets, excluding the line break. Long content lines SHOULD be split into a multiple line representations using a line "folding" technique. That is, a long line can be split between any two characters by inserting a CRLF immediately followed by a single linear white-space character (i.e., SPACE or HTAB). r asciic3s"|]}||dVqdS)Nr).0ilimitlinerr Sszfoldline..rr+) rrrencodeUnicodeEncodeErrorUnicodeDecodeErrorjoinrangelenrappend)r0r/Zfold_sepZ ret_charsZ byte_countcharZ char_byte_lenrr.rfoldlineAs&    r;cCst|trt|St|S)zReturns a parameter value. )rrq_joindquote)valuerrr param_valuegs r?z[\w.-]+z [- -",:;]z [- -"]s ( ? )+[ ]z ( ? )+[ ]z\r?\ncCs2t|}t|dkr&||dkr&dSt|dS)Nr+r)NAMEfindallr8 ValueError)namematchrrrvalidate_token|s rETcCs"|rtnt}||rt|dSN) QUNSAFE_CHAR UNSAFE_CHARrArB)r>quotedZ validatorrrrvalidate_param_values  rJu [,;: ’']cCs"|dd}t|rd|S|S)z@Enclose parameter values containing [,;:] in double quotes. "'z"%s")rQUOTABLEsearchvalrrrr=s  r=rc Cs|dkr|gSg}d}t|}d}d}t|D]r}||} | dkrH| }|sv| |krv|||||d}|d7}|d|ks||kr.|||dqq.|S)zISplits a string on char, taking double (q)uotes into considderation. rrKr+N)r8r7r9) stsepmaxsplitresultcursorlengthZinquotesplitsr-chrrrq_splits&  rZcCs|dd|DS)z>Joins a list on sep, quoting strings with QUOTABLE chars. css|]}t|VqdSrF)r=)r,Zitmrrrr1zq_join..r6)lstrSrrrr<sr<c@s0eZdZdZddZd ddZed dd Zd S) ParameterszParser and generator of Property parameter strings. It knows nothing of datatypes. Its main concern is textual structure. cCs|S)zoIn rfc2445 keys are called parameters, so this is to be consitent with the naming conventions. )keysselfrrrparamsszParameters.paramsTcCsrg}t|}|r||D]F\}}t|}t|tjrF|t}| t}| |d|q d |S)N=r) listitemssortr?rrrr3rupperr9r6)rasortedrUrekeyr>rrrto_icals    zParameters.to_icalFc Cs|}t|dD]}zt|ddd\}}t|g}t|dD]d}|drx|drx|d}t|dd||q>t|d d|r||q>||q>|s|||<n"t|dkr|d ||<n|||<Wqt y } zt d || fWYd } ~ qd } ~ 00q|S) z2Parses the parameter format from ical text format.r =r+)rTrrKT)rIFrz&%r is not a valid parameter string: %sN) rZrE startswithendswithstriprJr9rgr8rB) clsrRstrictrUparamrirPvalsvexcrrr from_icals2        zParameters.from_icalN)T)F)__name__ __module__ __qualname____doc__rbrj classmethodrurrrrr^s  r^cCs$|ddddddddS) Nr%2Cz\:%3Ar %3Br %5CrrOrrr escape_string s rcCs$|ddddddddS) Nr{rr|:r}r r~r rrOrrrunescape_strings rcCs$t|trdd|DSt|SdS)NcSsg|] }t|qSr)r)r,srrr r[z+unescape_list_or_string..)rrdrrOrrrunescape_list_or_strings rcsReZdZdZdeffdd ZedddZdd Zedd d Z d d Z Z S) ContentlinezWA content line is basically a string that can be folded and parsed into parts. Fcs8t||d}d|vsJdtt|||}||_|S)N)encodingr z;Content line can not contain unescaped new line characters.)rsuperr__new__rp)ror>rprra __class__rrr$s  zContentline.__new__TcCstt|tsJt|dr"|}n t|}t|}t|}|rdt|j|d}|d|||fS|d||fS)z*Turn a parts into a content line. rj)rhz%s;%s:%sz%s:%s)rr^r#rjvTextr)rorCrbvaluesrhrrr from_parts,s   zContentline.from_partsc Cs$zt|}d}d}d}t|D]:\}}|sJ|dvr:|s:|}|dkrJ|sJ|}|dkr| }qt|d|}|svtdt||r|d|krtdtj||d||jd }td d t |D}t||dd} ||| fWSty} ztd || fWYd} ~ n d} ~ 00dS) zISplit the content line up into (name, parameters, values) parts. NFz:;rrKzKey name is requiredr+zInvalid content linerpcss"|]\}}t|t|fVqdSrF)rr)r,rir>rrrr1Ysz$Contentline.parts..z5Content line could not be parsed into parts: '%s': %s) r enumeraterrBrEr^rurpr iteritems) rarRZ name_splitZ value_splitZ in_quotesr-rYrCrbrrtrrrpartsAsB   zContentline.partscCst|}|td||dS)zJUnfold the content lines in an iCalendar into long content lines. r2r)ruFOLDsub)roZicalrprrrrueszContentline.from_icalcCst|tS)zXLong content lines are folded so they are less than 75 characters wide. )r;r3rr`rrrrjmszContentline.to_ical)T)F) rvrwrxryrrrzrrrurj __classcell__rrrrr s $ rc@s$eZdZdZddZeddZdS) ContentlineszI assume that iCalendar files generally are a few kilobytes in size. Then this should be efficient. for Huge files, an iterator should probably be used instead. cCsddd|DdS)zSimply join self. rcss|]}|r|VqdSrF)rjr,r0rrrr1|r[z'Contentlines.to_ical..r\r`rrrrjyszContentlines.to_icalcCs\t|}z4td|}|ddt|D}|d|WStyVtdYn0dS)z,Parses a string into content lines. r2css|]}|rt|VqdSrF)rrrrrr1sz)Contentlines.from_ical..z&Expected StringType with content linesN)rrrNEWLINEsplitr9 ExceptionrB)rorRZunfoldedlinesrrrru~s   zContentlines.from_icalN)rvrwrxryrjrzrurrrrrtsr)r)r(r))T)rrQ)r)(ry __future__rZ icalendarrZicalendar.caselessdictrZicalendar.parser_toolsrrrrerr r'r;r?compiler@rHrGZFOLDrrrErJrMr=rZr<r^rrrrrrdrZicalendar.proprrrrrs>        &          R T