Esempio n. 1
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class CreativeWork(Parser):
    schema = tools.RunPython('get_type', ctx)

    title = tools.RunPython('get_title', ctx)
    description = Soup(ctx, 'p', class_='genericfile_description')['#text']
    date_published = tools.ParseDate(
        Soup(ctx, itemprop='datePublished')['#text'])
    date_updated = tools.ParseDate(Soup(ctx, itemprop='dateModified')['#text'])
    rights = tools.OneOf(tools.RunPython('get_rights_url', ctx),
                         tools.RunPython('get_dd', ctx, 'Rights')['#text'],
                         tools.Static(None))
    language = tools.Try(
        tools.ParseLanguage(Soup(ctx, itemprop='inLanguage')['#text']))

    tags = tools.Map(tools.Delegate(ThroughTags), Soup(ctx,
                                                       itemprop='keywords'))

    identifiers = tools.Map(
        tools.Delegate(WorkIdentifier),
        tools.Try(tools.RunPython('get_dd', ctx, 'Permanent Link')),
    )

    related_agents = tools.Concat(
        tools.Map(tools.Delegate(Creator), Soup(ctx, itemprop='creator')),
        tools.Map(tools.Delegate(Contributor), Soup(ctx,
                                                    itemprop='contributor')),
        tools.Map(tools.Delegate(Publisher), Soup(ctx, itemprop='publisher')),
    )

    class Extra:
        gwu_unit = tools.RunPython('get_dd', ctx, 'GW Unit')['#text']
        related_url = tools.RunPython('get_dd', ctx, 'Related URL')['#text']
        previous_publication_information = tools.RunPython(
            'get_dd', ctx, 'Previous Publication Information')['#text']
        depositor = tools.RunPython('get_dd', ctx, 'Depositor')['#text']
        characterization = tools.RunPython('get_dd', ctx,
                                           'Characterization')['#text']

    def get_type(self, obj):
        return {
            'http://schema.org/CreativeWork': 'CreativeWork',
            'http://schema.org/Article': 'Article',
            'http://schema.org/Book': 'Book',
        }.get(obj.soup.find('div')['itemtype'], 'CreativeWork')

    def get_title(self, obj):
        title = obj.h1.soup
        title.find('span', class_='label').decompose()
        return title.get_text()

    def get_dd(self, obj, dt):
        dt_tag = obj.soup.find('dt', string=dt)
        if dt_tag:
            return SoupXMLDict(soup=dt_tag.find_next_sibling('dd'))
        return None

    def get_rights_url(self, obj):
        dd = self.get_dd(obj, 'Rights')
        return dd.soup.find('i', class_='glyphicon-new-window').parent['href']
Esempio n. 2
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 class Extra:
     gwu_unit = tools.RunPython('get_dd', ctx, 'GW Unit')['#text']
     related_url = tools.RunPython('get_dd', ctx, 'Related URL')['#text']
     previous_publication_information = tools.RunPython(
         'get_dd', ctx, 'Previous Publication Information')['#text']
     depositor = tools.RunPython('get_dd', ctx, 'Depositor')['#text']
     characterization = tools.RunPython('get_dd', ctx,
                                        'Characterization')['#text']
Esempio n. 3
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class Registration(Parser):
    title = ctx[FIELDS['title']]
    description = ctx[FIELDS['summary']]
    date_published = tools.ParseDate(
        ctx[FIELDS['registration date']].timestamp)
    date_updated = tools.ParseDate(ctx[FIELDS['registration date']].timestamp)
    related_agents = tools.Concat(
        tools.Delegate(PrincipalInvestigator,
                       ctx[FIELDS['primary investigator']]),
        tools.Delegate(OtherInvestigator, ctx[FIELDS['other investigator']]),
        tools.Map(
            tools.Delegate(AdditionalInvestigator),
            tools.RunPython('split_names',
                            ctx[FIELDS['additional investigators']])))
    identifiers = tools.Map(tools.Delegate(WorkIdentifier),
                            tools.RunPython('get_link', ctx.id))

    class Extra:
        registration_date = ctx[FIELDS['registration date']]
        questions_and_objectives = ctx[FIELDS['questions and objectives']]
        study_type = ctx[FIELDS['study type']]
        study_type_detail = ctx[FIELDS['study type other']]
        contact_details = ctx[FIELDS['contact details']]
        participating_institutions = ctx[FIELDS['participating institutions']]
        countries_of_recruitment = ctx[FIELDS['countries of recruitment']]
        funders = ctx[FIELDS['funders']]
        problems_studied = ctx[FIELDS['health conditions or problems studied']]
        patient_population = ctx[FIELDS['patient population']]
        interventions = ctx[FIELDS['interventions']]
        inclusion_criteria = ctx[FIELDS['inclusion criteria']]
        exclusion_criteria = ctx[FIELDS['exclusion criteria']]
        control_or_comparators = ctx[FIELDS['control or comparators']]
        primary_outcomes = ctx[FIELDS['primary outcomes']]
        key_secondary_outcomes = ctx[FIELDS['key secondary outcomes']]
        target_sample_size = ctx[FIELDS['target sample size']]
        recruitment_status = ctx[FIELDS['recruitment status']]
        other_recruitment_status = ctx[FIELDS['other recruitment status']]
        first_enrollment_date = ctx[FIELDS['first enrollment date']]
        expected_enrollment_completion_date = ctx[
            FIELDS['expected enrollment completion date']]
        expected_research_completion_date = ctx[
            FIELDS['expected research completion date']]
        ethical_approval = ctx[FIELDS['ethical approval']]
        ethical_approval_details = ctx[FIELDS['ethical approval details']]
        ethical_committee_judgment = ctx[FIELDS['ethical committee judgment']]
        data = ctx[FIELDS['data']]
        published_paper = ctx[FIELDS['published paper identifier']]
        study_website = ctx[FIELDS['study website']]
        study_results = ctx[FIELDS['study results']]

    def get_link(self, id):
        return LINK_FORMAT.format(id)

    def split_names(self, obj):
        if not obj:
            return None
        return obj.split(',')
Esempio n. 4
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class CreativeWork(Parser):
    title = ctx.title
    description = tools.Try(ctx.description)
    is_deleted = tools.RunPython('_is_deleted', tools.Try(ctx.otherProperties))
    date_updated = tools.ParseDate(tools.Try(ctx.providerUpdatedDateTime))
    rights = tools.Join(tools.Try(ctx.licenses.uri))

    # Note: this is only taking the first language in the case of multiple languages
    language = tools.ParseLanguage(tools.Try(ctx.languages[0]), )

    related_agents = tools.Concat(
        tools.Map(tools.Delegate(Creator), tools.Try(ctx.contributors)),
        tools.Map(tools.Delegate(Publisher), tools.Try(ctx.publisher)),
        tools.Map(tools.Delegate(Funder), tools.Try(ctx.sponsorships)))

    identifiers = tools.Map(
        tools.Delegate(WorkIdentifier),
        tools.Map(
            tools.IRI(),
            tools.RunPython(
                'unique',
                tools.Concat(tools.Try(ctx.uris.canonicalUri),
                             tools.Try(ctx.uris.providerUris),
                             tools.Try(ctx.uris.descriptorUris),
                             tools.Try(ctx.uris.objectUris)))))

    subjects = tools.Map(tools.Delegate(ThroughSubjects),
                         tools.Subjects(tools.Try(ctx.subjects)))

    tags = tools.Map(tools.Delegate(ThroughTags), tools.Try(ctx.tags),
                     tools.Try(ctx.subjects))

    class Extra:
        """
        Fields that are combined in the base parser are relisted as singular elements that match
        their original entry to preserve raw data structure.
        """
        freeToRead = tools.Try(ctx.freeToRead)
        languages = tools.Try(ctx.languages)
        licenses = tools.Try(ctx.licenses)
        otherProperties = tools.Try(ctx.otherProperties)
        publisher = tools.Try(ctx.publisher)
        subjects = tools.Try(ctx.subjects)
        sponsorships = tools.Try(ctx.sponsorships)
        tags = tools.Try(ctx.tags)
        uris = tools.Try(ctx.uris)
        version = tools.Try(ctx.version)

    def unique(self, items):
        return list(sorted(set(items)))

    def _is_deleted(self, properties):
        for prop in properties or []:
            if prop['name'] == 'status':
                return 'deleted' in prop['properties'].get('status', [])
        return False
Esempio n. 5
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class MODSPersonSplitName(MODSAgent):
    schema = 'person'

    name = None
    family_name = tools.RunPython('get_name_part', ctx, 'family')
    given_name = tools.RunPython('get_name_part', ctx, 'given')
    suffix = tools.RunPython('get_name_part', ctx, 'termsOfAddress')

    def get_name_part(self, obj, type):
        name_parts = get_list(obj, 'mods:namePart')
        return ' '.join([force_text(n) for n in name_parts if n.get('@type') == type])
Esempio n. 6
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class MODSAgent(Parser):
    schema = tools.RunPython('get_agent_schema', ctx)

    name = tools.OneOf(tools.RunPython(force_text, ctx['mods:displayForm']),
                       tools.RunPython('squash_name_parts', ctx))

    related_agents = tools.Map(
        tools.Delegate(IsAffiliatedWith),
        tools.Concat(
            tools.Try(
                tools.Filter(
                    lambda x: bool(x),
                    tools.RunPython(force_text, ctx['mods:affiliation'])))))

    identifiers = tools.Map(
        tools.Delegate(MODSAgentIdentifier),
        tools.Unique(
            tools.Map(
                tools.Try(tools.IRI(), exceptions=(ValueError, )),
                tools.Map(
                    tools.RunPython(force_text),
                    tools.Filter(
                        lambda obj: 'invalid' not in obj,
                        tools.Try(ctx['mods:nameIdentifier']),
                    )))))

    class Extra:
        name_type = tools.Try(ctx['@type'])
        name_part = tools.Try(ctx['mods:namePart'])
        affiliation = tools.Try(ctx['mods:affiliation'])
        description = tools.Try(ctx['mods:description'])
        display_form = tools.Try(ctx['mods:displayForm'])
        etal = tools.Try(ctx['mods:etal'])
        name_identifier = tools.Try(ctx['mods:nameIdentifier'])

    def squash_name_parts(self, name):
        name_parts = get_list(name, 'mods:namePart')
        return ' '.join([force_text(n) for n in name_parts])

    def get_agent_schema(self, obj):
        name_type = obj.get('@type')
        if name_type == 'personal':
            return 'person'
        if name_type == 'conference':
            return 'organization'
        # TODO SHARE-718
        # if name_type == 'family':
        #    return 'family'
        if name_type == 'corporate':
            return GuessAgentTypeLink(default='organization').execute(
                self.squash_name_parts(obj))
        return GuessAgentTypeLink().execute(self.squash_name_parts(obj))
Esempio n. 7
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class Award(Parser):
    name = ctx.title
    description = ctx.fundsObligatedAmt
    award_amount = tools.Int(ctx.fundsObligatedAmt)
    date = tools.ParseDate(ctx.date)
    uri = tools.RunPython(format_url, ctx.id)

    class Extra:
        funds_obligated_amt = ctx.fundsObligatedAmt
        award_id = ctx.id
        transaction_type = ctx.transType
        estimated_total_amt = tools.Try(ctx.estimatedTotalAmt)
        catalog_of_federal_domestic_assistance_number = tools.Try(
            ctx.cfdaNumber)

        date = ctx.date
        date_start = tools.Try(ctx.startDate)
        date_expiration = tools.Try(ctx.expDate)

        awardee = tools.Try(ctx.awardee)
        awardee_address = tools.Try(ctx.awardeeAddress)
        awardee_name = ctx.awardeeName
        awardee_city = tools.Try(ctx.awardeeCity)
        awardee_county = tools.Try(ctx.awardeeCounty)
        awardee_state_code = tools.Try(ctx.awardeeStateCode)
        awardee_country_code = tools.Try(ctx.awardeeCountryCode)
        awardee_district_code = tools.Try(ctx.awardeeDistrictCode)
        awardee_zip_code = tools.Try(ctx.awardeeZipCode)
Esempio n. 8
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class FunderAgent(Parser):
    schema = tools.GuessAgentType(tools.OneOf(ctx.funderName,
                                              ctx.contributorName),
                                  default='organization')

    name = tools.OneOf(ctx.funderName, ctx.contributorName)

    identifiers = tools.Map(
        tools.Delegate(AgentIdentifier),
        tools.Try(tools.IRI(
            tools.OneOf(ctx.funderIdentifier,
                        tools.RunPython(force_text, ctx.nameIdentifier),
                        tools.Static(None))),
                  exceptions=(ValueError, )))

    class Extra:
        name_identifier = tools.Try(ctx.nameIdentifier)
        name_identifier_scheme = tools.Try(
            ctx.nameIdentifier['@nameIdentifierScheme'])
        name_identifier_scheme_uri = tools.Try(
            ctx.nameIdentifier['@schemeURI'])

        funder_identifier = tools.Try(ctx.funderIdentifier)
        funder_identifier_type = tools.Try(ctx.funderIdentifierType)

        contributor_type = tools.Try(ctx.contributorType)
Esempio n. 9
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class MODSWorkIdentifier(Parser):
    schema = 'WorkIdentifier'

    uri = tools.RunPython(force_text, ctx)

    class Extra:
        identifier_type = tools.Try(ctx['@type'])
Esempio n. 10
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class Person(Parser):
    given_name = tools.OneOf(
        ctx.embeds.users.data.attributes.given_name,
        ctx.embeds.users.errors[0].meta.given_name,
    )
    family_name = tools.OneOf(
        ctx.embeds.users.data.attributes.family_name,
        ctx.embeds.users.errors[0].meta.family_name,
    )
    additional_name = tools.OneOf(
        ctx.embeds.users.data.attributes.middle_names,
        ctx.embeds.users.errors[0].meta.middle_names,
    )
    suffix = tools.OneOf(
        ctx.embeds.users.data.attributes.suffix,
        ctx.embeds.users.errors[0].meta.suffix,
    )

    identifiers = tools.Map(
        tools.Delegate(AgentIdentifier),
        tools.RunPython('registered', ctx.embeds.users.data.links.html),
        tools.Try(ctx.embeds.users.data.links.profile_image),
    )

    class Extra:
        locale = tools.Try(ctx.embeds.users.data.attributes.locale)
        date_registered = tools.Try(
            ctx.embeds.users.data.attributes.date_registered)
        active = tools.Try(ctx.embeds.users.data.attributes.active)
        timezone = tools.Try(ctx.embeds.users.data.attributes.timezone)

    def registered(self, context):
        if self.context['attributes']['unregistered_contributor']:
            return None
        return context
Esempio n. 11
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class WorkIdentifier(Parser):
    uri = tools.RunPython('get_ncar_identifier', ctx)

    class Extra:
        description = tools.Try(ctx.Related_URL.Description)
        url_content_type = tools.Try(ctx.Related_URL.URL_Content_Type.Type)

    def get_ncar_identifier(self, ctx):
        return 'https://www.earthsystemgrid.org/dataset/{}.html'.format(ctx['Entry_ID'])
Esempio n. 12
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class Agent(Parser):
    schema = tools.RunPython('get_type', ctx)
    name = Soup(ctx, itemprop='name')['#text']

    def get_type(self, obj):
        return {
            'http://schema.org/Person': 'Person',
            'http://schema.org/Organization': 'Organization',
        }[obj.soup['itemtype']]
Esempio n. 13
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class FunderRelation(Parser):
    schema = 'Funder'

    agent = tools.Delegate(FunderAgent, ctx)
    awards = tools.Map(tools.Delegate(ThroughAwards),
                       tools.Try(tools.RunPython('get_award', ctx)))

    def get_award(self, obj):
        obj['awardURI']
        return obj
class Registration(Parser):
    title = tools.Try(ctx['general-information']['title'])
    description = tools.Try(ctx['additional-trial-info']['abstract'])
    date_updated = tools.ParseDate(tools.Try(ctx['general-information']['last-updated']))
    date_published = tools.ParseDate(tools.Try(ctx['general-information']['published-at']))
    related_agents = tools.Map(tools.Delegate(Creator), tools.Try(ctx.pi))
    identifiers = tools.Map(
        tools.Delegate(WorkIdentifier),
        tools.Try(tools.IRI(ctx['general-information']['url'])),
    )
    subjects = tools.Map(
        tools.Delegate(ThroughSubjects),
        tools.Subjects(
            tools.RunPython(
                process_keywords,
                tools.Try(ctx['additional-trial-info']['keywords']),
            )
        )
    )
    tags = tools.Map(
        tools.Delegate(ThroughTags),
        tools.Concat(
            tools.RunPython(
                process_keywords,
                tools.Try(ctx['additional-trial-info']['keywords']),
            ),
            tools.Try(ctx['additional-trial-info']['status']),
            tools.Try(ctx['additional-trial-info']['jel-code'])
        )
    )

    class Extra:
        general_information = tools.Try(ctx['general-information'])
        additional_trial_information = tools.Try(ctx['additional-trial-info'])
        publication_data = tools.Try(ctx['data-publication'])
        primary_investigator = tools.Try(ctx['pi'])
        interventions = tools.Try(ctx['interventions'])
        outcomes = tools.Try(ctx['outcomes'])
        experimental_design = tools.Try(ctx['experimental-design'])
        experimental_characteristics = tools.Try(ctx['experimental-characteristics'])
        supporting_document_material = tools.Try(ctx['supporting-doc-material'])
        post_trial = tools.Try(ctx['post-trial'])
        reports_papers = tools.Try(ctx['reports-papers'])
Esempio n. 15
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class Preprint(Parser):
    title = tools.Try(ctx['DC.Title'])
    description = tools.Try(ctx['DC.Description'])
    # is_deleted
    date_published = tools.ParseDate(tools.Try(ctx['article:published_time']))
    date_updated = tools.ParseDate(tools.Try(ctx['DC.Date']))
    # free_to_read_type
    # free_to_read_date
    rights = tools.Try(ctx['DC.Rights'])
    language = tools.Try(ctx['DC.Language'])

    subjects = tools.Map(tools.Delegate(ThroughSubjects),
                         tools.Static('Biology'),
                         tools.Subjects(tools.Try(ctx['subject-areas'])))
    tags = tools.Map(tools.Delegate(ThroughTags), tools.Try(ctx['category']),
                     tools.Try(ctx['subject-areas']))

    identifiers = tools.Map(tools.Delegate(WorkIdentifier),
                            tools.Try(ctx['og:url']),
                            ctx['citation_public_url'], ctx['citation_doi'])

    related_agents = tools.Concat(
        tools.Map(tools.Delegate(Publisher), tools.Try(ctx['DC.Publisher'])),
        tools.Map(tools.Delegate(Creator),
                  tools.RunPython('get_contributors', ctx)))

    # related_works

    class Extra:
        identifiers = ctx['DC.Identifier']
        access_rights = ctx['DC.AccessRights']

    def get_contributors(self, link):
        authors = link.get('citation_author', []) if isinstance(
            link.get('citation_author', []),
            list) else [link['citation_author']]
        institutions = link.get(
            'citation_author_institution', []) if isinstance(
                link.get('citation_author_institution', []),
                list) else [link['citation_author_institution']]
        emails = link.get('citation_author_email', []) if isinstance(
            link.get('citation_author_email', []),
            list) else [link['citation_author_email']]

        contribs = []
        for author, email, institution in itertools.zip_longest(
                authors, emails, institutions):
            contrib = {
                'author': author,
                'institution': institution,
                'email': email,
            }
            contribs.append(contrib)

        return contribs
Esempio n. 16
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class RelatedWorkIdentifier(Parser):
    schema = 'WorkIdentifier'

    uri = tools.IRI(tools.RunPython(force_text, ctx))

    class Extra:
        related_identifier_type = ctx['@relatedIdentifierType']
        relation_type = tools.Try(ctx['@relationType'])
        related_metadata_scheme = tools.Try(ctx['@relatedMetadataScheme'])
        scheme_URI = tools.Try(ctx['@schemeURI'])
        scheme_type = tools.Try(ctx['@schemeType'])
Esempio n. 17
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class Award(Parser):
    name = ctx.title
    description = ctx.fundsObligatedAmt
    award_amount = tools.Int(ctx.fundsObligatedAmt)
    date = tools.ParseDate(ctx.date)
    uri = tools.RunPython(format_url, ctx.id)

    class Extra:
        funds_obligated_amt = ctx.fundsObligatedAmt
        award_id = ctx.id
        awardee_name = tools.Try(ctx.awardeeName)
        awardee_city = ctx.awardeeCity
        awardee_state_code = tools.Try(ctx.awardeeStateCode)
        date = ctx.date
Esempio n. 18
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class ContributorAgent(Parser):
    schema = tools.OneOf(
        tools.GuessAgentType(tools.RunPython(get_agent_type, ctx,
                                             person=False),
                             default='organization'),
        tools.GuessAgentType(tools.OneOf(ctx.creatorName,
                                         ctx.contributorName)))

    name = tools.OneOf(ctx.creatorName, ctx.contributorName)
    identifiers = tools.Map(
        tools.Delegate(AgentIdentifier),
        tools.Try(tools.Map(tools.IRI(ctx),
                            tools.RunPython(force_text, ctx.nameIdentifier)),
                  exceptions=(ValueError, )))
    related_agents = tools.Map(
        tools.Delegate(IsAffiliatedWith),
        tools.Concat(
            tools.Try(
                tools.Filter(lambda x: bool(x),
                             tools.RunPython(force_text, ctx.affiliation)))))

    class Extra:
        name_identifier = tools.Try(ctx.nameIdentifier)
        name_identifier_scheme = tools.Try(
            ctx.nameIdentifier['@nameIdentifierScheme'])
        name_identifier_scheme_uri = tools.Try(
            ctx.nameIdentifier['@schemeURI'])

        contributor_type = tools.Try(ctx.contributorType)

        # v.4 new givenName and familyName properties
        given_name = tools.OneOf(ctx.creatorName['@givenName'],
                                 ctx.contributorName['@givenName'],
                                 tools.Static(None))
        family_name = tools.OneOf(ctx.creatorName['@familyName'],
                                  ctx.contributorName['@familyName'],
                                  tools.Static(None))
Esempio n. 19
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class PersonnelAgent(Parser):
    schema = tools.GuessAgentType(
        tools.RunPython('combine_first_last_name', ctx)
    )

    name = tools.RunPython('combine_first_last_name', ctx)
    location = tools.RunPython('get_address', ctx['Contact_Address'])

    class Extra:
        role = tools.Try(ctx.Role)
        url = tools.Try(ctx.Data_Center_URL)

    def combine_first_last_name(self, ctx):
        return ctx['First_Name'] + ' ' + ctx['Last_Name']

    def get_address(self, ctx):
        address = ctx['Address']
        if isinstance(address, list):
            address1 = address[0]
            address2 = address[1]
            return format_address(
                address1=address1,
                address2=address2,
                city=ctx['City'],
                state_or_province=ctx['Province_or_State'],
                postal_code=ctx['Postal_Code'],
                country=ctx['Country']
            )

        return format_address(
            address1=ctx['Address'],
            address2=address2,
            city=ctx['City'],
            state_or_province=ctx['Province_or_State'],
            postal_code=ctx['Postal_Code'],
            country=ctx['Country']
        )
Esempio n. 20
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class AffiliatedAgent(Parser):
    schema = tools.GuessAgentType(ctx.awardeeName, default='organization')

    name = ctx.awardeeName
    location = tools.RunPython(format_org_address, ctx)

    class Extra:
        awardee = tools.Try(ctx.awardee)
        awardee_address = tools.Try(ctx.awardeeAddress)
        awardee_name = ctx.awardeeName
        awardee_city = tools.Try(ctx.awardeeCity)
        awardee_county = tools.Try(ctx.awardeeCounty)
        awardee_state_code = tools.Try(ctx.awardeeStateCode)
        awardee_country_code = tools.Try(ctx.awardeeCountryCode)
        awardee_district_code = tools.Try(ctx.awardeeDistrictCode)
        awardee_zip_code = tools.Try(ctx.awardeeZipCode)
Esempio n. 21
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class HostAgent(Parser):
    schema = tools.GuessAgentType(ctx.contributorName, default='organization')

    name = tools.Try(ctx.contributorName)

    identifiers = tools.Map(
        tools.Delegate(AgentIdentifier),
        tools.Try(tools.IRI(tools.RunPython(force_text, ctx.nameIdentifier)),
                  exceptions=(InvalidIRI, )))

    class Extra:
        name_identifier = tools.Try(ctx.nameIdentifier)
        name_identifier_scheme = tools.Try(
            ctx.nameIdentifier['@nameIdentifierScheme'])
        name_identifier_scheme_uri = tools.Try(
            ctx.nameIdentifier['@schemeURI'])

        contributor_type = tools.Try(ctx.contributorType)
Esempio n. 22
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    class Extra:
        """
        Fields that are combined in the base parser are relisted as singular elements that match
        their original entry to preserve raw data structure.
        """
        # An agent responsible for making contributions to the resource.
        contributor = tools.Try(ctx.record.metadata.dc['dc:contributor'])

        # The spatial or temporal topic of the resource, the spatial applicability of the resource,
        # or the jurisdiction under which the resource is relevant.
        coverage = tools.Try(ctx.record.metadata.dc['dc:coverage'])

        # An agent primarily responsible for making the resource.
        creator = tools.Try(ctx.record.metadata.dc['dc:creator'])

        # A point or period of time associated with an event in the lifecycle of the resource.
        dates = tools.Try(ctx.record.metadata.dc['dc:date'])

        # The file format, physical medium, or dimensions of the resource.
        resource_format = tools.Try(ctx.record.metadata.dc['dc:format'])

        # An unambiguous reference to the resource within a given context.
        identifiers = tools.Concat(
            tools.Try(ctx.record.metadata.dc['dc:identifier']),
            tools.Try(ctx.record.header['identifier'])
        )

        # A related resource.
        relation = tools.RunPython('get_relation', ctx)

        # A related resource from which the described resource is derived.
        source = tools.Try(ctx.record.metadata.dc['dc:source'])

        # The nature or genre of the resource.
        resource_type = tools.Try(ctx.record.metadata.dc['dc:type'])

        set_spec = tools.Try(ctx.record.header.setSpec)

        # Language also stored in the Extra class in case the language reported cannot be parsed by ParseLanguage
        language = tools.Try(ctx.record.metadata.dc['dc:language'])

        # Status in the header, will exist if the resource is deleted
        status = tools.Try(ctx.record.header['@status'])
Esempio n. 23
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class DataSet(Parser):
    title = tools.Join(tools.Try(ctx.record.metadata.DIF.Entry_Title))
    description = tools.Try(ctx.record.metadata.DIF.Summary.Abstract)

    related_agents = tools.Map(
        tools.Delegate(AgentWorkRelation),
        tools.Try(ctx.record.metadata.DIF.Data_Center)
    )

    tags = tools.Map(
        tools.Delegate(ThroughTags),
        tools.Try(ctx.record.metadata.DIF.Metadata_Name),
        tools.Try(ctx.record.header.setSpec)
    )

    identifiers = tools.Map(tools.Delegate(WorkIdentifier), tools.Try(ctx.record.metadata.DIF))

    date_updated = tools.ParseDate(ctx.record.header.datestamp)

    is_deleted = tools.RunPython('check_status', tools.Try(ctx.record.header['@status']))

    class Extra:
        status = tools.Try(ctx.record.header['@status'])

        entry_id = tools.Try(ctx.record.metadata.DIF.Entry_ID)

        metadata_name = tools.Try(ctx.record.metadata.DIF.Metadata_Name)

        metadata_version = tools.Try(ctx.record.metadata.DIF.Metadata_Version)

        last_dif_revision_date = tools.Try(ctx.record.metadata.DIF.Last_DIF_Revision_Date)

        set_spec = ctx.record.header.setSpec

    def check_status(self, status):
        if status == 'deleted':
            return True
        return False
Esempio n. 24
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class WorkIdentifier(Parser):
    uri = tools.RunPython(format_url, ctx.id)
Esempio n. 25
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class InverseWorkRelation(Parser):
    schema = tools.RunPython(get_relation_type, ctx['@relationType'])
    subject = tools.Delegate(RelatedWork, ctx)
Esempio n. 26
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class CreativeWork(Parser):
    '''
    Documentation for Datacite's metadata:
    https://schema.labs.datacite.org/meta/kernel-4.0/doc/DataCite-MetadataKernel_v4.0.pdf
    '''
    def get_schema(self, type):
        return {
            'dataset': 'DataSet',
            'software': 'Software',
            'text/book': 'Book',
            'text/book chapter': 'Book',
            'text/book prospectus': 'Book',
            'text/book series': 'Book',
            'text/conference abstract': 'ConferencePaper',
            'text/conference paper': 'ConferencePaper',
            'text/conference poster': 'Poster',
            'text/dissertation': 'Dissertation',
            'text/edited book': 'Book',
            'text/journal article': 'Article',
            'text/journal issue': 'Article',
            'text/patent': 'Patent',
            'text/report': 'Report',
            'text/supervised student publication': 'Thesis',
            'text/working paper': 'WorkingPaper'

            # 'audiovisual': '',
            # 'collection': '',
            # 'event': '',
            # 'image': '',
            # 'interactiveresource': '',
            # 'model': '',
            # 'physicalobject': '',
            # 'service': '',
            # 'sound': '',
            # 'text15': '',
            # 'workflow': '',
            # 'text/book review': '',
            # 'text/conference program': '',
            # 'text/dictionary entry': '',
            # 'text/disclosure': '',
            # 'text/encyclopedia entry': '',
            # 'text/Funding submission': '',
            # 'text/license': '',
            # 'text/magazine article': '',
            # 'text/manual': '',
            # 'text/newsletter article': '',
            # 'text/newspaper article': '',
            # 'text/online resource': '',
            # 'text/registered copyright': '',
            # 'text/research tool': '',
            # 'text/tenure-promotion': '',
            # 'text/test': '',
            # 'text/trademark': '',
            # 'text/translation': '',
            # 'text/university academic unit': '',
            # 'text/website': '',
        }.get(type.lower()) or 'CreativeWork'

    schema = tools.RunPython(
        'get_schema',
        tools.Try(ctx.record.metadata['oai_datacite'].payload.resource.
                  resourceType['@resourceTypeGeneral'],
                  default='CreativeWork'))

    title = tools.RunPython(
        force_text,
        tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.titles.title),
        first_str=True)

    description = tools.Try(
        tools.Join(
            tools.RunPython(
                force_text,
                tools.Try(ctx.record.metadata['oai_datacite'].payload.resource.
                          descriptions.description))))

    rights = tools.Try(
        tools.Join(
            tools.RunPython(
                force_text,
                tools.Concat(ctx.record.metadata['oai_datacite'].payload.
                             resource.rightsList.rights))))

    language = tools.ParseLanguage(
        tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.language))

    related_agents = tools.Concat(
        tools.Map(
            tools.Delegate(CreatorRelation),
            tools.Concat(
                tools.Try(ctx.record.metadata['oai_datacite'].payload.resource.
                          creators.creator))),
        tools.Map(
            tools.Delegate(ContributorRelation),
            tools.Concat(
                tools.Try(ctx.record.metadata['oai_datacite'].payload.resource.
                          contributors.contributor))),
        tools.Map(
            tools.Delegate(PublisherRelation),
            tools.Try(ctx.record.metadata['oai_datacite'].payload.resource.
                      publisher)),
        tools.Map(
            tools.Delegate(HostRelation),
            tools.RunPython(
                get_contributors,
                tools.Concat(
                    tools.Try(ctx.record.metadata['oai_datacite'].payload.
                              resource.contributors.contributor)),
                ['HostingInstitution'])),
        # v.3 Funder is a contributor type
        # v.4 FundingReference replaces funder contributor type
        tools.Map(
            tools.Delegate(FunderRelation),
            tools.RunPython(
                get_contributors,
                tools.Concat(
                    tools.Try(ctx.record.metadata['oai_datacite'].payload.
                              resource.contributors.contributor)),
                ['Funder'])),
        tools.Map(
            tools.Delegate(FunderRelation),
            tools.Concat(
                tools.Try(ctx.record.metadata['oai_datacite'].payload.resource.
                          fundingReference))))

    # v.4 New, free text, 'subjectScheme' attribute on subject
    subjects = tools.Map(
        tools.Delegate(ThroughSubjects),
        tools.Subjects(
            tools.RunPython(
                force_text,
                tools.Concat(
                    tools.Try(ctx.record.metadata['oai_datacite'].payload.
                              resource.subjects.subject), ))))

    tags = tools.Map(
        tools.Delegate(ThroughTags),
        tools.RunPython(
            force_text,
            tools.Concat(
                tools.Maybe(
                    tools.Maybe(ctx.record, 'metadata')['oai_datacite'],
                    'type'),
                tools.RunPython(force_text, (tools.Concat(
                    tools.Try(ctx.record.metadata['oai_datacite'].payload.
                              resource.subjects.subject)))),
                tools.Try(ctx.record.metadata['oai_datacite'].payload.resource.
                          formats.format),
                tools.Try(
                    ctx.record.metadata['oai_datacite'].datacentreSymbol),
                tools.Try(ctx.record.metadata['oai_datacite'].payload.resource.
                          resourceType['#text']),
                tools.Try(ctx.record.metadata['oai_datacite'].payload.resource.
                          resourceType['@resourceTypeGeneral']),
                tools.Maybe(ctx.record.header, 'setSpec'),
                tools.Maybe(ctx.record.header, '@status'))))

    identifiers = tools.Concat(
        tools.Map(
            tools.Delegate(WorkIdentifier),
            tools.Concat(
                tools.Try(ctx.record.metadata['oai_datacite'].payload.resource.
                          identifier))),
        tools.Map(
            tools.Delegate(
                WorkIdentifier,
                tools.RunPython(force_text,
                                ctx.alternateIdentifier)), ctx.record.
            metadata['oai_datacite'].payload.resource.alternateIdentifiers),
    )

    related_works = tools.Concat(
        tools.Map(
            tools.Delegate(WorkRelation),
            tools.RunPython(
                get_related_works,
                tools.Concat(
                    tools.Try(ctx.record.metadata['oai_datacite'].payload.
                              resource.relatedIdentifiers.relatedIdentifier)),
                False)),
        tools.Map(
            tools.Delegate(InverseWorkRelation),
            tools.RunPython(
                get_related_works,
                tools.Concat(
                    tools.Try(ctx.record.metadata['oai_datacite'].payload.
                              resource.relatedIdentifiers.relatedIdentifier)),
                True)))

    date_updated = tools.ParseDate(tools.Try(ctx.record.header.datestamp))
    date_published = tools.ParseDate(
        tools.Try(
            tools.RunPython(
                'get_date_type',
                tools.Concat(ctx.record.metadata['oai_datacite'].payload.
                             resource.dates.date), 'Issued')))
    free_to_read_type = tools.Try(
        tools.IRI(ctx.record.metadata['oai_datacite'].payload.resource.
                  rightsList.rights['@rightsURI']),
        exceptions=(ValueError, ))
    free_to_read_date = tools.ParseDate(
        tools.Try(
            tools.RunPython(
                'get_date_type',
                tools.Concat(ctx.record.metadata['oai_datacite'].payload.
                             resource.dates.date), 'Available')))

    is_deleted = tools.RunPython('check_status',
                                 tools.Try(ctx.record.header['@status']))

    class Extra:
        """
        Fields that are combined in the base parser are relisted as singular elements that match
        their original entry to preserve raw data structure.
        """
        status = tools.Try(ctx.record.header['@status'])

        datestamp = tools.ParseDate(ctx.record.header.datestamp)

        set_spec = tools.Try(ctx.record.header.setSpec)

        is_reference_quality = tools.Try(
            ctx.record.metadata['oai_datacite'].isReferenceQuality)

        schema_version = tools.Try(
            ctx.record.metadata['oai_datacite'].schemaVersion)

        datacentre_symbol = tools.Try(
            ctx.record.metadata['oai_datacite'].datacentreSymbol)

        identifiers = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.identifier)

        alternate_identifiers = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.
            alternateIdentifiers.alternateidentifier)

        titles = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.titles.title)

        publisher = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.publisher)

        publication_year = tools.Try(ctx.record.metadata['oai_datacite'].
                                     payload.resource.publicationYear)

        subject = tools.Try(ctx.record.metadata['oai_datacite'].payload.
                            resource.subjects.subject)

        resourceType = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.resourceType)

        sizes = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.size)

        format_type = tools.Try(ctx.record.metadata['oai_datacite'].payload.
                                resource.formats.format)

        version = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.version)

        rights = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.rights)

        rightsList = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.rightsList)

        related_identifiers = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.
            relatedIdentifiers.relatedIdentifier)

        description = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.descriptions)

        dates = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.dates.date)

        contributors = tools.Try(ctx.record.metadata['oai_datacite'].payload.
                                 resource.contributors.contributor)

        creators = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.creators)

        # v.4 new property geoLocationPolygon, in addition to geoLocationPoint and geoLocationBox
        geolocations = tools.Try(
            ctx.record.metadata['oai_datacite'].payload.resource.geoLocations)

        funding_reference = tools.Try(ctx.record.metadata['oai_datacite'].
                                      payload.resource.fundingReference)

    def check_status(self, status):
        if status == 'deleted':
            return True
        return False

    def get_date_type(self, date_obj, date_type):
        date = None
        for obj in date_obj:
            if obj['@dateType'] == date_type:
                date = obj['#text']
        if date and date != '0000':
            return date
        # raise KeyError to break TryLink
        raise KeyError()
Esempio n. 27
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class MODSAgentWorkRelation(Parser):
    schema = 'AgentWorkRelation'

    agent = tools.Delegate(agent_parser, ctx)
    cited_as = tools.RunPython(force_text, tools.Try(ctx['mods:displayForm']))
Esempio n. 28
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class OAICreativeWork(Parser):
    default_type = None
    type_map = None

    schema = tools.RunPython(
        'get_schema',
        tools.OneOf(ctx.record.metadata.dc['dc:type'], tools.Static(None)))

    title = tools.Join(
        tools.RunPython(force_text,
                        tools.Try(ctx.record.metadata.dc['dc:title'])))
    description = tools.Join(
        tools.RunPython(force_text,
                        tools.Try(ctx.record.metadata.dc['dc:description'])))

    identifiers = tools.Map(
        tools.Delegate(OAIWorkIdentifier),
        tools.Unique(
            tools.Map(
                tools.Try(tools.IRI(), exceptions=(InvalidIRI, )),
                tools.Filter(
                    not_citation,
                    tools.RunPython(
                        force_text,
                        tools.Concat(
                            tools.Try(ctx.record.metadata.dc['dc:identifier']),
                            tools.Try(ctx.record.header['identifier'])))))))

    related_works = tools.Concat(
        tools.Map(
            tools.Delegate(OAIWorkRelation),
            tools.Unique(
                tools.Map(tools.Try(tools.IRI(), exceptions=(InvalidIRI, )),
                          tools.RunPython('get_relation', ctx)))))

    related_agents = tools.Concat(
        tools.Map(tools.Delegate(OAICreator),
                  tools.Try(ctx.record.metadata.dc['dc:creator'])),
        tools.Map(tools.Delegate(OAIContributor),
                  tools.Try(ctx.record.metadata.dc['dc:contributor'])),
        tools.Map(
            tools.Delegate(OAIPublisher),
            tools.RunPython(force_text,
                            tools.Try(
                                ctx.record.metadata.dc['dc:publisher']))),
    )

    rights = tools.Join(tools.Try(ctx.record.metadata.dc['dc:rights']))

    # Note: this is only taking the first language in the case of multiple languages
    language = tools.ParseLanguage(
        tools.Try(ctx.record.metadata.dc['dc:language'][0]), )

    subjects = tools.Map(
        tools.Delegate(OAIThroughSubjects),
        tools.Subjects(
            tools.Map(
                tools.RunPython('tokenize'),
                tools.RunPython(
                    force_text,
                    tools.Concat(
                        tools.Try(ctx.record.header.setSpec),
                        tools.Try(ctx.record.metadata.dc['dc:type']),
                        tools.Try(ctx.record.metadata.dc['dc:format']),
                        tools.Try(ctx.record.metadata.dc['dc:subject']),
                    )))))

    tags = tools.Map(
        tools.Delegate(OAIThroughTags),
        tools.Concat(tools.Map(
            tools.RunPython('tokenize'),
            tools.RunPython(
                force_text,
                tools.Concat(
                    tools.Try(ctx.record.header.setSpec),
                    tools.Try(ctx.record.metadata.dc['dc:type']),
                    tools.Try(ctx.record.metadata.dc['dc:format']),
                    tools.Try(ctx.record.metadata.dc['dc:subject']),
                ))),
                     deep=True))

    date_updated = tools.ParseDate(ctx.record.header.datestamp)

    is_deleted = tools.RunPython('check_status',
                                 tools.Try(ctx.record.header['@status']))

    class Extra:
        """
        Fields that are combined in the base parser are relisted as singular elements that match
        their original entry to preserve raw data structure.
        """
        # An agent responsible for making contributions to the resource.
        contributor = tools.Try(ctx.record.metadata.dc['dc:contributor'])

        # The spatial or temporal topic of the resource, the spatial applicability of the resource,
        # or the jurisdiction under which the resource is relevant.
        coverage = tools.Try(ctx.record.metadata.dc['dc:coverage'])

        # An agent primarily responsible for making the resource.
        creator = tools.Try(ctx.record.metadata.dc['dc:creator'])

        # A point or period of time associated with an event in the lifecycle of the resource.
        dates = tools.Try(ctx.record.metadata.dc['dc:date'])

        # The file format, physical medium, or dimensions of the resource.
        resource_format = tools.Try(ctx.record.metadata.dc['dc:format'])

        # An unambiguous reference to the resource within a given context.
        identifiers = tools.Concat(
            tools.Try(ctx.record.metadata.dc['dc:identifier']),
            tools.Try(ctx.record.header['identifier']))

        # A related resource.
        relation = tools.RunPython('get_relation', ctx)

        # A related resource from which the described resource is derived.
        source = tools.Try(ctx.record.metadata.dc['dc:source'])

        # The nature or genre of the resource.
        resource_type = tools.Try(ctx.record.metadata.dc['dc:type'])

        set_spec = tools.Try(ctx.record.header.setSpec)

        # Language also stored in the Extra class in case the language reported cannot be parsed by ParseLanguage
        language = tools.Try(ctx.record.metadata.dc['dc:language'])

        # Status in the header, will exist if the resource is deleted
        status = tools.Try(ctx.record.header['@status'])

    def check_status(self, status):
        if status == 'deleted':
            return True
        return False

    def get_schema(self, types):
        if not types or not self.type_map:
            return self.default_type
        if isinstance(types, str):
            types = [types]
        for t in types:
            if isinstance(t, dict):
                t = t['#text']
            t = t.lower()
            if t in self.type_map:
                return self.type_map[t]
        return self.default_type

    def tokenize(self, data):
        if isinstance(data, str):
            data = [data]
        tokens = []
        for item in data:
            tokens.extend(
                [x.strip() for x in re.split(r'(?: - )|\.|,', item) if x])
        return tokens

    def get_relation(self, ctx):
        if not ctx['record'].get('metadata'):
            return []
        relation = ctx['record']['metadata']['dc'].get('dc:relation') or []
        identifiers = ctx['record']['metadata']['dc'].get(
            'dc:identifier') or []
        if isinstance(identifiers, dict):
            identifiers = (identifiers, )
        identifiers = ''.join(i['#text'] if isinstance(i, dict) else i
                              for i in identifiers if i)

        identifiers = re.sub(
            'http|:|/', '',
            identifiers + ctx['record']['header']['identifier'])

        if isinstance(relation, dict):
            relation = (relation['#text'], )

        return [
            r for r in relation
            if r and re.sub('http|:|/', '', r) not in identifiers
        ]
Esempio n. 29
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class OAIAgentWorkRelation(Parser):
    schema = 'AgentWorkRelation'

    agent = tools.Delegate(OAIAgent, tools.RunPython(force_text, ctx))
    cited_as = tools.RunPython(force_text, ctx)
Esempio n. 30
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class MODSCreativeWork(Parser):
    default_type = 'CreativeWork'
    type_map = None
    role_map = None

    schema = tools.RunPython(
        'get_schema',
        tools.OneOf(tools.RunPython(force_text, ctx['mods:genre']),
                    tools.Static(None)))

    title = tools.RunPython('join_title_info', ctx)

    # Abstracts have the optional attribute "shareable". Don't bother checking for it, because
    # abstracts that are not shareable should not have been shared with SHARE.
    description = tools.Join(
        tools.RunPython(force_text, tools.Try(ctx['mods:abstract']), '\n'))

    identifiers = tools.Map(
        tools.Delegate(MODSWorkIdentifier),
        tools.Unique(
            tools.Map(
                tools.Try(tools.IRI(), exceptions=(ValueError, )),
                tools.Map(
                    tools.RunPython(force_text),
                    tools.Filter(
                        lambda obj: 'invalid' not in obj,
                        tools.Concat(
                            tools.Try(ctx['mods:identifier']),
                            tools.Try(ctx.header['identifier']),
                            tools.Try(ctx['mods:location']['mods:url']),
                        ))))))

    related_works = tools.Concat(
        tools.Map(tools.Delegate(MODSWorkRelation),
                  tools.Try(ctx['mods:relatedItem'])))

    related_agents = tools.Concat(
        tools.Map(tools.Delegate(MODSCreator),
                  tools.RunPython('filter_names', ctx, 'creator')),
        tools.Map(tools.Delegate(MODSFunder),
                  tools.RunPython('filter_names', ctx, 'funder')),
        tools.Map(tools.Delegate(MODSHost),
                  tools.RunPython('filter_names', ctx, 'host')),
        tools.Map(tools.Delegate(MODSPublisher),
                  tools.RunPython('filter_names', ctx, 'publisher')),
        tools.Map(
            tools.Delegate(MODSContributor),
            tools.RunPython('filter_names',
                            ctx,
                            'creator',
                            'funder',
                            'host',
                            'publisher',
                            invert=True)),
        tools.Map(
            tools.Delegate(MODSSimplePublisher),
            tools.Try(ctx['mods:originInfo']['mods:publisher']),
        ),
    )

    rights = tools.RunPython(force_text,
                             tools.Try(ctx['mods:accessCondition']), '\n')

    language = tools.ParseLanguage(
        tools.Try(ctx['mods:language']['mods:languageTerm']), )

    subjects = tools.Map(
        tools.Delegate(MODSThroughSubjects),
        tools.Subjects(
            tools.Concat(tools.Try(ctx['mods:subject']['mods:topic']), )))

    tags = tools.Map(
        tools.Delegate(MODSThroughTags),
        tools.Concat(tools.Map(
            tools.RunPython('tokenize'),
            tools.Map(
                tools.RunPython(force_text),
                tools.Try(ctx.header.setSpec),
                tools.Try(ctx['mods:genre']),
                tools.Try(ctx['mods:classification']),
                tools.Try(ctx['mods:subject']['mods:topic']),
            )),
                     deep=True))

    date_updated = tools.ParseDate(tools.Try(ctx.header.datestamp))

    # TODO (in regulator) handle date ranges, uncertain dates ('1904-1941', '1890?', '1980-', '19uu', etc.)
    date_published = tools.OneOf(
        tools.ParseDate(
            tools.RunPython(
                force_text,
                tools.Try(ctx['mods:originInfo']['mods:dateIssued']))),
        tools.Static(None))

    is_deleted = tools.RunPython(lambda status: status == 'deleted',
                                 tools.Try(ctx.record.header['@status']))

    class Extra:
        """
        Fields that are combined in the base parser are relisted as singular elements that match
        their original entry to preserve raw data structure.
        """

        # (dc:description) http://www.loc.gov/standards/mods/userguide/abstract.html
        abstract = tools.Try(ctx['mods:abstract'])

        # (dc:rights) http://www.loc.gov/standards/mods/userguide/accesscondition.html
        accessConditions = tools.Try(ctx['mods:accessCondition'])

        # (dc:subject) http://www.loc.gov/standards/mods/userguide/classification.html
        classification = tools.Try(ctx['mods:classification'])

        # (N/A) http://www.loc.gov/standards/mods/userguide/extension.html
        extension = tools.Try(ctx['mods:extension'])

        # SHARE type
        # (dc:type) http://www.loc.gov/standards/mods/userguide/genre.html
        genre = tools.Try(ctx['mods:genre'])

        # (dc:identifier) http://www.loc.gov/standards/mods/userguide/identifier.html
        identifier = tools.Try(ctx['mods:identifier'])

        # (dc:language) http://www.loc.gov/standards/mods/userguide/language.html
        language = tools.Try(ctx['mods:language'])

        # (dc:identifier for url) http://www.loc.gov/standards/mods/userguide/location.html
        location = tools.Try(ctx['mods:location'])

        # (dc:creator|dc:contributor) http://www.loc.gov/standards/mods/userguide/name.html
        name = tools.Try(ctx['mods:name'])

        # (dc:description) http://www.loc.gov/standards/mods/userguide/note.html
        note = tools.Try(ctx['mods:note'])

        # (dc:publisher|dc:date) http://www.loc.gov/standards/mods/userguide/origininfo.html
        originInfo = tools.Try(ctx['mods:originInfo'])

        # Extra
        # (dc:title) http://www.loc.gov/standards/mods/userguide/part.html
        part = tools.Try(ctx['mods:part'])

        # (dc:format or N/A) http://www.loc.gov/standards/mods/userguide/physicaldescription.html
        physicalDescription = tools.Try(ctx['mods:physicalDescription'])

        # Metadata information
        # (N/A) http://www.loc.gov/standards/mods/userguide/recordinfo.html
        recordInfo = tools.Try(ctx['mods:recordInfo'])

        # (dc:relation) http://www.loc.gov/standards/mods/userguide/relateditem.html
        relatedItem = tools.Try(ctx['mods:relatedItem'])

        # (dc:subject|dc:type|dc:coverage|N/A) http://www.loc.gov/standards/mods/userguide/subject.html
        subject = tools.Try(ctx['mods:subject'])

        # (dc:description) http://www.loc.gov/standards/mods/userguide/tableofcontents.html
        tableOfContents = tools.Try(ctx['mods:tableOfContents'])

        # (N/A) http://www.loc.gov/standards/mods/userguide/targetaudience.html
        targetAudience = tools.Try(ctx['mods:targetAudience'])

        # (dc:title) http://www.loc.gov/standards/mods/userguide/titleinfo.html
        titleInfo = tools.Try(ctx['mods:titleInfo'])

        # Extra
        # (dc:type) http://www.loc.gov/standards/mods/userguide/typeofresource.html
        typeOfResource = tools.Try(ctx['mods:typeOfResource'])

    def get_schema(self, types):
        if not types or not self.type_map:
            return self.default_type
        if isinstance(types, str):
            types = [types]
        for t in types:
            if isinstance(t, dict):
                t = t['#text']
            t = t.lower()
            if t in self.type_map:
                return self.type_map[t]
        return self.default_type

    def tokenize(self, data):
        if isinstance(data, str):
            data = [data]
        tokens = []
        for item in data:
            tokens.extend(
                [x.strip() for x in re.split(r'(?: - )|\.|,', item) if x])
        return tokens

    # Map titleInfos to a string: https://www.loc.gov/standards/mods/userguide/titleinfo.html#mappings
    def join_title_info(self, obj):
        def get_part(title_info, part_name, delimiter=''):
            part = force_text(title_info.get(part_name, ''), ' ').strip()
            return delimiter + part if part else ''

        title_infos = get_list(obj, 'mods:titleInfo')
        titles = []
        for title_info in title_infos:
            title = ''
            title += get_part(title_info, 'mods:nonSort')
            title += get_part(title_info, 'mods:title')
            title += get_part(title_info, 'mods:subTitle', ': ')
            title += get_part(title_info, 'mods:partNumber', '. ')
            title += get_part(title_info, 'mods:partName', ': ')
            if title:
                titles.append(title)
        return '. '.join(titles)

    def filter_names(self, obj, *roles, invert=False):
        names = get_list(obj, 'mods:name')
        filtered = [*names] if invert else []
        for name in names:
            name_roles = get_list(name, 'mods:role')
            for role in name_roles:
                role_terms = get_list(role, 'mods:roleTerm')
                name_roles = {force_text(r).lower() for r in role_terms}
                name_roles.update({
                    self.role_map[r]
                    for r in name_roles if r in self.role_map
                })
                if name_roles.intersection(roles):
                    if invert:
                        filtered.remove(name)
                    else:
                        filtered.append(name)
        return filtered