Thanks ! So for reference, I had to remove four lines in metalink4.xsd:
<xsd:import schemaLocation="local.xsd"/> <xsd:group ref="metalink:extensionElement"/> 2x <xsd:attributeGroup ref="local"/> Then it validates and I can use it to validate an xml. Thanks for your help ! Really appreciated. On Thu, Apr 4, 2019 at 2:44 AM Bram Neijt <[email protected]> wrote: > The metalink rfc refers to an empty local in > https://tools.ietf.org/html/rfc5854#page-31 > > This is probably used for local definitions you might have in the default > xml namespace. > > I think that stems from > https://relaxng.org/jclark/mns.html > > But I must admit that I'm not an XML expert. > > My best guess is that it's there to allow you to define your own local xsd > mixin, so either create an empty (but valid) xsd file called local.xsd or > remove the line from the xsd for now. > > You can find an example of an empty xsd here: > https://www.w3schools.com/XML/schema_example.asp > > Greetings, > > Bram > > On Wed, 3 Apr 2019, 23:17 David Huard <[email protected]> wrote: > >> I want to use the metalink4.xsd file to validate a metalink file I'm >> creating. When I load the schema using lxml.etree.XMLSchema, I get errors >> that I interpret (again, newbie) as being due to the fact that the >> metalink.xsd has a reference to a local.xsd file that is undefined. >> >> <xsd:import schemaLocation="local.xsd"/> >> <xsd:import namespace="http://www.w3.org/XML/1998/namespace"; >> schemaLocation="xml.xsd"/> >> >> In other words, the validator tries to import this "local.xsd", looks up >> in the local directory, finds nothing and reports an error. >> >> So my question is, what is this "local.xsd" file ? Where can I find it or >> how do I define it ? >> >> Thanks ! >> >> >> On Wed, Apr 3, 2019 at 4:29 PM Bram Neijt <[email protected]> wrote: >> >>> I don't really understand the question enough, could you maybe give some >>> background on the problem you are having? >>> >>> Greetings, >>> Bram >>> >>> On Thu, Mar 28, 2019 at 10:57 PM David Huard <[email protected]> >>> wrote: >>> >>>> Newbie here, >>>> >>>> What should be in local.xsd ? >>>> >>>> XMLSchemaParseError: Element '{ >>>> http://www.w3.org/2001/XMLSchema}attributeGroup', attribute 'ref': The >>>> QName value 'local' does not resolve to a(n) attribute group definition., >>>> line 206 >>>> >>>> Cheers, >>>> >>>> David >>>> >>>> >>>> On Tuesday, March 2, 2010 at 7:24:47 AM UTC-5, Tatsuhiro Tsujikawa >>>> wrote: >>>>> >>>>> -----BEGIN PGP SIGNED MESSAGE----- >>>>> Hash: SHA1 >>>>> >>>>> trang does the job. >>>>> >>>>> trang metalink4.rnc metalink4.xsd >>>>> >>>>> trang reported some warnings. >>>>> >>>>> metalink4.rnc:192:8: warning: cannot represent required wildcard >>>>> attribute; approximating >>>>> metalink4.rnc:194:5: warning: choice between attributes and children >>>>> cannot be represented; approximating >>>>> metalink4.rnc:204:4: warning: cannot represent required wildcard >>>>> attribute; approximating >>>>> metalink4.rnc:212:8: warning: choice between attributes and children >>>>> cannot be represented; approximating >>>>> metalink4.rnc:219:8: warning: choice between attributes and children >>>>> cannot be represented; approximating >>>>> >>>>> Anthony Bryan wrote: >>>>> > we have an XSD for metalink3 >>>>> > >>>>> > http://www.metalinker.org/schema/3.0/metalink.xsd >>>>> > >>>>> > and a Relax NG compact schema in the ID / metalink4 >>>>> > >>>>> > http://tools.ietf.org/html/draft-bryan-metalink-28#appendix-B >>>>> > >>>>> > could someone produce XSD for metalink4? >>>>> > >>>>> -----BEGIN PGP SIGNATURE----- >>>>> Version: GnuPG v1.4.10 (GNU/Linux) >>>>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org >>>>> >>>>> iEYEARECAAYFAkuNA48ACgkQfoQD1dZzw2YdKQCgsZ52Ay6G1x3qqtnCCYzXGvbt >>>>> wIMAnjS3hRptlGpaPZQy4w7lnceIujjl >>>>> =F/UW >>>>> -----END PGP SIGNATURE----- >>>>> >>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Metalink Discussion" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to >>>> [email protected]. >>>> Visit this group at https://groups.google.com/group/metalink-discussion >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Metalink Discussion" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to >>> [email protected]. >>> Visit this group at https://groups.google.com/group/metalink-discussion. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> -- >> David Huard, PhD >> Spécialiste Scénarios et services climatiques, Ouranos >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Metalink Discussion" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected] >> . >> Visit this group at https://groups.google.com/group/metalink-discussion. >> For more options, visit https://groups.google.com/d/optout. >> > -- > You received this message because you are subscribed to the Google Groups > "Metalink Discussion" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/metalink-discussion. > For more options, visit https://groups.google.com/d/optout. > -- David Huard, PhD Spécialiste Scénarios et services climatiques, Ouranos -- You received this message because you are subscribed to the Google Groups "Metalink Discussion" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/metalink-discussion. For more options, visit https://groups.google.com/d/optout.
