a xd @sdZddlZddlmZddlmZgdZddZdd Ze d Z d d Z d dZ ddZ ddZddZddZddZdS)zUtility functions for handling XRIs. @see: XRI Syntax v2.0 at the U{OASIS XRI Technical Committee} N)reduce) codecutil)!=@+$(cCs&|ds|r|dtvrdSdSdS)zWDetermine if this identifier is an XRI or URI. @returns: C{"XRI"} or C{"URI"} xri://rXRIURIN) startswithXRI_AUTHORITIES) identifierrH/var/www/html/Ranjet/env/lib/python3.9/site-packages/openid/yadis/xri.pyidentifierSchemes  rcCs|dsd|}t|S)z$Transform an XRI to IRI-normal form.r )r escapeForIRIxrirrr toIRINormals rz \((.*?)\)cCs0|}|dd}|dd}|dd}|S)zKEscape things that need to be escaped if they're in a cross-reference. /z%2F?z%3F#z%23)groupreplace)Z xref_matchZxrefrrr _escape_xref%s    rcCs|dd}tt|}|S)zBEscape things that need to be escaped when transforming to an IRI.%z%25)r_xref_resubrrrrrr/s  rcCs tt|S)z$Transform an XRI to URI normal form.)iriToURIrrrrr toURINormal6sr!cCs(t|trt|dd}|jdddS)z.Transform an IRI to a URI by escaping unicode.zutf-8)encodingasciiZoid_percent_escape)errors) isinstancebytesstrencodedecode)Zirirrrr ;s  r cCs|d}|d|}||kS)zKIs this provider ID authoritative for this XRI? @returntype: bool rN)rindex)Z providerIDZ canonicalIDZlastbangparentrrrproviderIsAuthoritativeCs  r,cCs|dr|dd}|ddd}|ddkrJ|d|dd}n>|dtvr`|d}n(|d }ttjd d |D}|d}t|S) zReturn the root authority for an XRI. Example:: rootAuthority("xri://@example") == "xri://@" @type xri: unicode @returntype: unicode r Nrrr )rcSsg|]}|dqS)*)split).0srrr hz!rootAuthority..)r r1indexrrlist__add__r )r authorityrootsegmentsrrr rootAuthorityNs      r<cCs|dsd|}|S)a)An XRI object allowing comparison of XRI. Ideally, this would do full normalization and provide comparsion operators as per XRI Syntax. Right now, it just does a bit of canonicalization by ensuring the xri scheme is present. @param xri: an xri string @type xri: unicode r )r rrrrr ns r )__doc__re functoolsrZopenidrrrrcompilerrrr!r r,r<r rrrrs