Skip to main content Module utils Copy item path Source PmcResolver Selects the URL base for normalize_pmidnormalize_pmcid camel_case_string Lowercases the first character of a PascalCase string (PascalCase → camelCase). camel_case_to_words Converts a PascalCase / camelCase string to “Title Words” form. community_slug_as_url Returns a community slug as a Rogue Scholar API URL. decode_id dedupe_slice Removes duplicate elements from a Vec while preserving order. find_from_format Auto-detects the commonmeta reader format from various hints. find_from_format_by_ext Detects format by file extension. find_from_format_by_filename Detects format by filename. find_from_format_by_id Detects format by PID (DOI, URL patterns). find_from_format_by_string Detects format by parsing the JSON string and examining key fields. get_language Returns a language code in the requested format.
format: “iso639-3” for 3-letter code, “name” for English name, otherwise ISO 639-1 alpha-2.
Accepts alpha-2, alpha-3, or English name as input. issn_as_url Returns an ISSN expressed as a portal.issn.org URL. kebab_case_to_camel_case Converts kebab-case to camelCase. kebab_case_to_pascal_case Converts kebab-case to PascalCase. normalize_arxiv Normalizes an arXiv identifier to a canonical URL: https://arxiv.org/abs/XXXX. normalize_cc_url Normalizes a Creative Commons license URL to the canonical /legalcode form.
Returns (normalized_url, true) on success, ("", false) otherwise. normalize_id Normalizes any PID: DOI → canonical URL, UUID, Wikidata, or plain URL. normalize_orcid Returns a normalized ORCID URL. normalize_organization_id Normalizes an organization identifier (ROR, Crossref Funder ID, GRID,
Wikidata, ISNI). normalize_person_id Normalizes a person identifier (ORCID, ISNI, Wikidata). normalize_pmcid Normalizes a PMC ID to a canonical URL. normalize_pmid Normalizes a PubMed ID to a canonical URL. normalize_ror Returns a normalized ROR URL. normalize_string Unicode-normalizes a string: NFD decomposition, strip combining diacritics, NFC recompose. normalize_url Normalizes a URL: upgrades http→https when secure, lowercases when lower. normalize_work_id Normalizes a work identifier (DOI, UUID, URL, Wikidata). sanitize Strips HTML, allowing only safe inline elements. split_string Inserts sep every n characters. string_to_slug Converts a string to a URL slug: normalize, keep only lowercase letters/digits. title_case Uppercases only the first character of a string. validate_crossref_funder_id Validates a Crossref Funder ID validate_grid Validates a GRID ID
GRID ID is a string prefixed with grid followed by dot number dot string validate_id Validates an identifier and returns the identifier and its type.
Type can be: DOI, UUID, PMID, PMCID, OpenAlex, ORCID, ROR, GRID,
RID, Wikidata, ISNI, ISSN, Crossref Funder ID, URL, or “”. validate_id_category Validates an identifier and additionally returns its category.
Category: “Work”, “Person”, “Organization”, “Contributor”, “All”, or “”. validate_isni Validates an ISNI
ISNI is a 16-character string in blocks of four
optionally separated by hyphens or spaces and NOT
between 0000-0001-5000-0007 and 0000-0003-5000-0001,
or between 0009-0000-0000-0000 and 0009-0010-0000-0000
(the ranged reserved for ORCID). validate_issn Validates an ISSN validate_openalex Validates an OpenAlex ID.
First letter indicates resource type (A author, F funder, I institution,
P publisher, S source, W work), followed by 8-10 digits. validate_orcid Validates an ORCID
ORCID is a 16-character string in blocks of four
separated by hyphens between
0000-0001-5000-0007 and 0000-0003-5000-0001,
or between 0009-0000-0000-0000 and 0009-0010-0000-0000. validate_pmcid Validates a PubMed Central ID (PMCID). Accepts bare numbers, PMC{n},
NCBI PMC URLs, and Europe PMC PMC URLs. Returns the bare numeric part. validate_pmid Validates a PubMed ID (PMID). validate_rid Validates a RID
RID is the unique identifier used by the InvenioRDM platform validate_ror Validates a ROR ID
The ROR ID starts with 0 followed by a 6-character
alphanumeric string which is base32-encoded and a 2-digit checksum. validate_url Validates a URL and checks if it is a DOI validate_uuid Validates a UUID validate_wikidata Validates a Wikidata item ID
Wikidata item ID is a string prefixed with Q followed by a number words_to_camel_case Converts “words in a string” to camelCase.