"""$Id: feed.py 699 2006-09-25 02:01:18Z rubys $""" __author__ = "Sam Ruby and Mark Pilgrim " __version__ = "$Revision: 699 $" __date__ = "$Date: 2006-09-25 02:01:18 +0000 (Mon, 25 Sep 2006) $" __copyright__ = "Copyright (c) 2002 Sam Ruby and Mark Pilgrim" from base import validatorBase from validators import * from logging import * from itunes import itunes_channel from extension import extension_feed # # Atom root element # class feed(validatorBase, extension_feed, itunes_channel): def prevalidate(self): self.links = [] def missingElement(self, params): offset = [self.line - self.dispatcher.locator.getLineNumber(), self.col - self.dispatcher.locator.getColumnNumber()] self.log(MissingElement(params), offset) def validate_metadata(self): if not 'title' in self.children: self.missingElement({"parent":self.name, "element":"title"}) if not 'id' in self.children: self.missingElement({"parent":self.name, "element":"id"}) if not 'updated' in self.children: self.missingElement({"parent":self.name, "element":"updated"}) # ensure that there is a link rel="self" for link in self.links: if link.rel=='self': break else: offset = [self.line - self.dispatcher.locator.getLineNumber(), self.col - self.dispatcher.locator.getColumnNumber()] self.log(MissingSelf({"parent":self.parent.name, "element":self.name}), offset) # can only have one alternate per type types={} for link in self.links: if not link.rel=='alternate': continue if not link.type in types: types[link.type]={} if link.rel in types[link.type]: if link.hreflang in types[link.type][link.rel]: self.log(DuplicateAtomLink({"parent":self.name, "element":"link", "type":link.type, "hreflang":link.hreflang})) else: types[link.type][link.rel] += [link.hreflang] else: types[link.type][link.rel] = [link.hreflang] if self.itunes: itunes_channel.validate(self) def metadata(self): if 'entry' in self.children: self.log(MisplacedMetadata({"parent":self.name, "element":self.child})) def validate(self): if not 'entry' in self.children: self.validate_metadata() def do_author(self): self.metadata() from author import author return author() def do_category(self): self.metadata() from category import category return category() def do_contributor(self): self.metadata() from author import author return author() def do_generator(self): self.metadata() from generator import generator return generator(), nonblank(), noduplicates() def do_id(self): self.metadata() return canonicaluri(), nows(), noduplicates() def do_icon(self): self.metadata() return nonblank(), nows(), rfc2396(), noduplicates() def do_link(self): self.metadata() from link import link self.links += [link()] return self.links[-1] def do_logo(self): self.metadata() return nonblank(), nows(), rfc2396(), noduplicates() def do_title(self): self.metadata() from content import textConstruct return textConstruct(), noduplicates() def do_subtitle(self): self.metadata() from content import textConstruct return textConstruct(), noduplicates() def do_rights(self): self.metadata() from content import textConstruct return textConstruct(), noduplicates() def do_updated(self): self.metadata() return rfc3339(), nows(), noduplicates() def do_entry(self): if not 'entry' in self.children: self.validate_metadata() from entry import entry return entry()