ghmR UdZddlmZddlZddlmZmZmZddlm Z ddl m Z m Z m Z mZmZmZe rddlmZejeZeee deee ffZd ed <d adaGd d eZd;dZddZ! d?d@d"Z"dAd$Z#dBd*Z$dCd.Z%iZ&d/ed0<e iZ'd1ed2<d3e'e'd3dddd4d4f dDd:Z(dS)EzDAdapted from https://github.com/noahmorrison/chevron. MIT License. ) annotationsN)IteratorMappingSequence)MappingProxyType) TYPE_CHECKINGAnyLiteralOptionalUnioncast) TypeAlias)FrrScopesceZdZdZdS) ChevronErrorz$Custom exception for Chevron errors.N)__name__ __module__ __qualname____doc__Z/var/www/FlaskApp/flask-venv/lib/python3.11/site-packages/langchain_core/utils/mustache.pyrr"s....rrtemplatestrl_delreturntuple[str, str]c ||d\}}t|dz an#t$r|dfcYSwxYw||fS)zParse a literal from the template. Args: template: The template to parse. l_del: The left delimiter. Returns: tuple[str, str]: The literal and the template. r )split _CURRENT_LINEcount ValueError)rrliterals r grab_literalr'+sq$NN5!44t,,,  "~ X s69A  A r& is_standaloneboolc|ddks|r5|dd}|p|dkSdS)aDo a preliminary check to see if a tag could be a standalone. Args: template: The template. (Not used.) literal: The literal. is_standalone: Whether the tag is standalone. Returns: bool: Whether the tag could be a standalone. r r!F)findr"isspace)rr&r(paddings r l_sa_checkr/DsV ||DR=--%%b)   1GrM1 5rtag_typec|r=|dvr9|dd}|dp|d SdS)aDo a final check to see if a tag could be a standalone. Args: template: The template. tag_type: The type of the tag. is_standalone: Whether the tag is standalone. Returns: bool: Whether the tag could be a standalone. )variable no escaper rrF)r"r-)rr0r( on_newlines r r_sa_checkr5^sU <)BBB^^D!,, !}$$&&;jm*;; 5rr_deltuple[tuple[str, str], str]c ddddddddd } ||d \}}n,#t$r}d t}t||d }~wwxYw||d d}|dkr |d d }|dkr;|dr d}|d d}nLdt}t||dkr-|dkr'|dkr!|dr |d d }d}||f|fS)aWParse a tag from a template. Args: template: The template. l_del: The left delimiter. r_del: The right delimiter. Returns: tuple[tuple[str, str], str]: The tag and the template. Raises: ChevronError: If the tag is unclosed. ChevronError: If the set delimiter tag is unclosed. commentsectioninverted sectionendpartialset delimiter?z no escape?r3)!#^/>={&rzunclosed tag at line Nrr2rD set delimiterr+z#unclosed set delimiter tag at line {{}}})r"r%r#rgetendswith startswithstrip)rrr6 tag_typestagemsgr0s r parse_tagrSxsn          I' ua00 XX '''5m553Q&' }}SVZ00H:!""g### <<   $&Hcrc(CCIHHCs## # L   TMM TMM    $ $ ABB<syy{{ #X ..s' AA  ArHrIdef_ldeldef_rdelIterator[tuple[str, str]]c#nKdadad}g}|}|}|rt||\}}|sd|fVnbt|||}t |||\}}|\} } | dkr8| d} | d| d}}n| d vr|| tanv| d krp |} n2#t$r%} d | d tdz}t|| d} ~ wwxYw| | kr"d | d | dtdz}t|t|| |}|r7|ddd}| dkr| d}|dkrd|fV| dvr| | fV||r"d|ddt}t|dS)aYTokenize a mustache template. Tokenizes a mustache template in a generator fashion, using file-like objects. It also accepts a string containing the template. 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