o ˷e @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)!=@+$(cCs"|ds |r|dtvrdSdS)zWDetermine if this identifier is an XRI or URI. @returns: C{"XRI"} or C{"URI"} xri://rXRIURI) startswithXRI_AUTHORITIES) identifierrG/var/www/ideatree/venv/lib/python3.10/site-packages/openid/yadis/xri.pyidentifierSchemes rcCs|ds d|}t|S)z$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) xref_matchxrefrrr _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 toURINormal6s r#cCs(t|tr t|dd}|jdddS)z.Transform an IRI to a URI by escaping unicode.zutf-8)encodingasciioid_percent_escape)errors) isinstancebytesstrencodedecode)irirrrr";s  r"cCs|d}|d|}||kS)zKIs this provider ID authoritative for this XRI? @returntype: bool rN)rindex) providerID canonicalIDlastbangparentrrrproviderIsAuthoritativeCs  r3cCs|dr |dd}|ddd}|ddkr(|d|dd}t|S|dtvr6|d}t|S|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 hsz!rootAuthority..)r r8indexrrlist__add__r )r authorityrootsegmentsrrr rootAuthorityNs    rBcCs|ds d|}|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 functoolsropenidrrrrcompiler rrr#r"r3rBr rrrrs