import datetime import pytz import re from lxml import etree from regluit.core import models from regluit.core.cc import ccinfo from regluit.bisac import Bisac from .crosswalks import relator_contrib, iso639 feed_xml = """ """ bisac = Bisac() def text_node(tag, text, attrib={}): node = etree.Element(tag, attrib=attrib) node.text = text return node def onix_feed(facet, max=None): feed = etree.fromstring(feed_xml) feed.append(header(facet)) works = facet.works[0:max] if max else facet.works for work in works: editions = models.Edition.objects.filter(work=work,ebooks__isnull=False) editions = facet.facet_object.filter_model("Edition",editions).distinct() for edition in editions: edition_prod = product(edition, facet.facet_object) if edition_prod: feed.append(edition_prod) return etree.tostring(feed, pretty_print=True) def onix_feed_for_work(work): feed = etree.fromstring(feed_xml) feed.append(header(work)) for edition in models.Edition.objects.filter(work=work,ebooks__isnull=False).distinct(): feed.append(product(edition)) return etree.tostring(feed, pretty_print=True) def header(facet=None): header_node = etree.Element("Header") sender_node = etree.Element("Sender") sender_node.append(text_node("SenderName", "unglue.it")) sender_node.append(text_node("EmailAddress", "support@gluejar.com")) header_node.append(sender_node) header_node.append(text_node("SentDateTime", pytz.utc.localize(datetime.datetime.utcnow()).strftime('%Y%m%dT%H%M%SZ'))) header_node.append(text_node("MessageNote", facet.title if facet else "Unglue.it Editions")) return header_node def product(edition, facet=None): ebooks=facet.filter_model("Ebook",edition.ebooks.filter(active=True)) if facet else edition.ebooks.filter(active=True) ebooks=ebooks.order_by('-created') # Just because an edition satisfies 2 facets with multiple ebooks doesn't mean that there is a single ebook satisfies both facets if not ebooks.exists(): return None work=edition.work product_node = etree.Element("Product") product_node.append(text_node("RecordReference", "it.unglue.work.%s.%s" % (work.id, edition.id))) product_node.append(text_node("NotificationType", "03" )) # final ident_node = etree.SubElement(product_node, "ProductIdentifier") ident_node.append(text_node("ProductIDType", "01" )) #proprietary ident_node.append(text_node("IDTypeName", "unglue.it edition id" )) #proprietary ident_node.append(text_node("IDValue", unicode(edition.id) )) # wrong isbn better than no isbn isbn = edition.isbn_13 if edition.isbn_13 else edition.work.first_isbn_13() if isbn: ident_node = etree.SubElement(product_node, "ProductIdentifier") ident_node.append(text_node("ProductIDType", "03" )) #proprietary ident_node.append(text_node("IDValue", isbn )) # Descriptive Detail Block descriptive_node = etree.SubElement(product_node, "DescriptiveDetail") descriptive_node.append(text_node("ProductComposition", "00" )) # single item descriptive_node.append(text_node("ProductForm", "ED" )) # download ebook = None latest_ebooks = [] ebook_formats = [] for ebook in ebooks: if ebook.format not in ebook_formats: ebook_formats.append(ebook.format) latest_ebooks.append(ebook) if ebook.format=='epub': descriptive_node.append(text_node("ProductFormDetail", "E101" )) elif ebook.format=='pdf': descriptive_node.append(text_node("ProductFormDetail", "E107" )) elif ebook.format=='mobi': descriptive_node.append(text_node("ProductFormDetail", "E116" )) if ebook.rights: license_node = etree.SubElement(descriptive_node, "EpubLicense") license_node.append(text_node("EpubLicenseName", ebook.rights )) lic_expr_node = etree.SubElement(license_node, "EpubLicenseExpression") lic_expr_node.append(text_node("EpubLicenseExpressionType", '01' )) #human readable lic_expr_node.append(text_node("EpubLicenseExpressionLink", ccinfo(ebook.rights).url )) title_node = etree.SubElement(descriptive_node, "TitleDetail") title_node.append(text_node("TitleType", '01' )) #distinctive title title_el = etree.SubElement(title_node, "TitleElement") title_el.append(text_node("TitleElementLevel", '01' )) title_el.append(text_node("TitleText", edition.title )) contrib_i = 0 for contrib in edition.relators.all(): contrib_i+=1 contrib_node = etree.SubElement(descriptive_node, "Contributor") contrib_node.append(text_node("SequenceNumber", unicode(contrib_i ))) contrib_node.append(text_node("ContributorRole", relator_contrib.get(contrib.relation.code,"") )) contrib_node.append(text_node("PersonName", contrib.author.name)) contrib_node.append(text_node("PersonNameInverted", contrib.author.last_name_first)) (lang, locale) = (edition.work.language, None) if '_' in lang: (lang, locale) = lang.split('_') if len(lang)==2: lang = iso639.get(lang, None) if lang: lang_node = etree.SubElement(descriptive_node, "Language") lang_node.append(text_node("LanguageRole", "01")) lang_node.append(text_node("LanguageCode", lang)) if locale: lang_node.append(text_node("CountryCode", locale)) for subject in work.subjects.all(): subj_node = etree.SubElement(descriptive_node, "Subject") if subject.authority == 'lcsh': subj_node.append(text_node("SubjectSchemeIdentifier", "04")) subj_node.append(text_node("SubjectHeadingText", subject.name)) elif subject.authority == 'lcc': subj_node.append(text_node("SubjectSchemeIdentifier", "03")) subj_node.append(text_node("SubjectCode", subject.name)) elif subject.authority == 'bisacsh': subj_node.append(text_node("SubjectSchemeIdentifier", "10")) subj_node.append(text_node("SubjectCode", bisac.code(subject.name))) subj_node.append(text_node("SubjectHeadingText", subject.name)) else: subj_node.append(text_node("SubjectSchemeIdentifier", "20")) subj_node.append(text_node("SubjectHeadingText", subject.name)) # audience range composite if work.age_level: range_match = re.search(r'(\d?\d?)-(\d?\d?)', work.age_level) if range_match: audience_range_node = etree.SubElement(descriptive_node, "AudienceRange") audience_range_node.append(text_node("AudienceRangeQualifier", "17")) #Interest age, years if range_match.group(1): audience_range_node.append(text_node("AudienceRangePrecision", "03")) #from audience_range_node.append(text_node("AudienceRangeValue", range_match.group(1))) if range_match.group(2): audience_range_node.append(text_node("AudienceRangePrecision", "04")) #from audience_range_node.append(text_node("AudienceRangeValue", range_match.group(2))) # Collateral Detail Block coll_node = etree.SubElement(product_node, "CollateralDetail") desc_node = etree.SubElement(coll_node, "TextContent") desc_node.append(text_node("TextType", '03')) # description desc_node.append(text_node("ContentAudience", '00')) #unrestricted desc = (work.description if work.description else '') + '

Listed by Unglue.it.' % work.id try : content = etree.XML("
" + desc + "
") content_node = etree.SubElement(desc_node, "Text", attrib={"textformat":"05"}) #xhtml content_node.append(content) except etree.XMLSyntaxError: content_node = etree.SubElement(desc_node, "Text", attrib={"textformat":"02"}) #html content_node.text = etree.CDATA(desc) supp_node = etree.SubElement(coll_node, "SupportingResource") supp_node.append(text_node("ResourceContentType", '01')) #front cover supp_node.append(text_node("ContentAudience", '00')) #unrestricted supp_node.append(text_node("ResourceMode", '03')) #image cover_node = etree.SubElement(supp_node, "ResourceVersion") cover_node.append(text_node("ResourceForm", '01')) #linkable coverfeat_node = etree.SubElement(cover_node, "ResourceVersionFeature") coverfeat_node.append(text_node("ResourceVersionFeatureType", '01')) #image format coverfeat_node.append(text_node("FeatureValue", 'D502')) #jpeg cover_node.append(text_node("ResourceLink", edition.cover_image_thumbnail())) #link # Publishing Detail Block pubdetail_node = etree.SubElement(product_node, "PublishingDetail") if edition.publisher_name: pub_node = etree.SubElement(pubdetail_node, "Publisher") pub_node.append(text_node("PublishingRole", '01')) #publisher pub_node.append(text_node("PublisherName", edition.publisher_name.name)) pubdetail_node.append(text_node("PublishingStatus", '00')) #unspecified #consumers really want a pub date publication_date = edition.publication_date if edition.publication_date else edition.work.earliest_publication_date if publication_date: pubdate_node = etree.SubElement(pubdetail_node, "PublishingDate") pubdate_node.append(text_node("PublishingDateRole", '01')) #nominal pub date pubdate_node.append(text_node("Date", publication_date.replace('-',''))) # Product Supply Block supply_node = etree.SubElement(product_node,"ProductSupply") market_node = etree.SubElement(supply_node,"Market") terr_node = etree.SubElement(market_node,"Territory") terr_node.append(text_node("RegionsIncluded", 'WORLD')) supply_detail_node = etree.SubElement(supply_node,"SupplyDetail") supplier_node = etree.SubElement(supply_detail_node,"Supplier") supplier_node.append(text_node("SupplierRole", '11')) #non-exclusive distributer supplier_node.append(text_node("SupplierName", 'Unglue.it')) #non-exclusive distributer for ebook in latest_ebooks: website_node = etree.SubElement(supplier_node,"Website") website_node.append(text_node("WebsiteRole", '29')) #full content website_node.append(text_node("WebsiteDescription", '%s file download' % ebook.format, attrib={'textformat':'06'})) #full content website_node.append(text_node("WebsiteLink", ebook.download_url)) #full content supply_detail_node.append(text_node("ProductAvailability", '20')) #Available price_node = etree.SubElement(supply_detail_node,"Price") price_node.append(text_node("PriceType", '01')) #retail excluding tax price_node.append(text_node("PriceAmount", '0.00')) #retail excluding tax price_node.append(text_node("CurrencyCode", 'USD')) #retail excluding tax return product_node