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__init__.py
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# -*- coding: utf-8 -*-
#
# This file is part of IDUtils
# Copyright (C) 2015-2019 CERN.
# Copyright (C) 2018 Alan Rubin.
# Copyright (C) 2019 Inria.
#
# IDUtils is free software; you can redistribute it and/or modify
# it under the terms of the Revised BSD License; see LICENSE file for
# more details.
#
# In applying this license, CERN does not waive the privileges and immunities
# granted to it by virtue of its status as an Intergovernmental Organization
# or submit itself to any jurisdiction.
"""Small library for persistent identifiers used in scholarly communication."""
from __future__ import absolute_import, print_function
import re
from isbn import ISBN
from six.moves.urllib.parse import urlparse
from .version import __version__
ENSEMBL_PREFIXES = (
"ENSPMA", # Petromyzon marinus (Lamprey)
"ENSNGA", # Nannospalax galili (Upper Galilee mountains blind mole rat)
"ENSOPR", # Ochotona princeps (Pika)
"ENSMNE", # Macaca nemestrina (Pig-tailed macaque)
"MGP_C57BL6NJ_", # Mus musculus (Mouse C57BL/6NJ)
"MGP_LPJ_", # Mus musculus (Mouse LP/J)
"FB", # Drosophila melanogaster (Fruitfly)
"ENSORL", # Oryzias latipes (Medaka)
"ENSONI", # Oreochromis niloticus (Tilapia)
"ENSOCU", # Oryctolagus cuniculus (Rabbit)
"ENSXET", # Xenopus tropicalis (Xenopus)
"ENSRRO", # Rhinopithecus roxellana (Golden snub-nosed monkey)
"ENSCAT", # Cercocebus atys (Sooty mangabey)
"ENSAME", # Ailuropoda melanoleuca (Panda)
"MGP_CASTEiJ_", # Mus musculus castaneus (Mouse CAST/EiJ)
"ENSCSAV", # Ciona savignyi
"ENSMAU", # Mesocricetus auratus (Golden Hamster)
"ENSFAL", # Ficedula albicollis (Flycatcher)
"ENSTRU", # Takifugu rubripes (Fugu)
"ENSPTR", # Pan troglodytes (Chimpanzee)
"ENSTTR", # Tursiops truncatus (Dolphin)
"ENSCJA", # Callithrix jacchus (Marmoset)
"ENSSAR", # Sorex araneus (Shrew)
"ENSVPA", # Vicugna pacos (Alpaca)
"ENSLAC", # Latimeria chalumnae (Coelacanth)
"ENSPVA", # Pteropus vampyrus (Megabat)
"ENSPAN", # Papio anubis (Olive baboon)
"ENSHGLF", # Heterocephalus glaber (Naked mole-rat female)
"MGP_PWKPhJ_", # Mus musculus musculus (Mouse PWK/PhJ)
"MGP_NZOHlLtJ_", # Mus musculus (Mouse NZO/HlLtJ)
"ENSCAF", # Canis lupus familiaris (Dog)
"MGP_AJ_", # Mus musculus (Mouse A/J)
"ENSMOD", # Monodelphis domestica (Opossum)
"ENSMGA", # Meleagris gallopavo (Turkey)
"ENSPCO", # Propithecus coquereli (Coquerel's sifaka)
"ENSFDA", # Fukomys damarensis (Damara mole rat)
"ENSBTA", # Bos taurus (Cow)
"ENSGAL", # Gallus gallus (Chicken)
"ENSLAF", # Loxodonta africana (Elephant)
"ENSGGO", # Gorilla gorilla gorilla (Gorilla)
"ENSCAP", # Cavia aperea (Brazilian guinea pig)
"ENSMMU", # Macaca mulatta (Macaque)
"ENSAPL", # Anas platyrhynchos (Duck)
"ENSCEL", # Caenorhabditis elegans (Caenorhabditis elegans)
"ENSMEU", # Notamacropus eugenii (Wallaby)
"ENSCGR", # Cricetulus griseus (Chinese hamster CriGri)
"ENSANA", # Aotus nancymaae (Ma's night monkey)
"ENSGMO", # Gadus morhua (Cod)
"ENSPEM", # Peromyscus maniculatus bairdii (Northern American deer mouse)
"MGP_C3HHeJ_", # Mus musculus (Mouse C3H/HeJ)
"ENSTGU", # Taeniopygia guttata (Zebra Finch)
"ENSSCE", # Saccharomyces cerevisiae (Saccharomyces cerevisiae)
"ENSOGA", # Otolemur garnettii (Bushbaby)
"ENSACA", # Anolis carolinensis (Anole lizard)
"ENSTSY", # Carlito syrichta (Tarsier)
"ENSTBE", # Tupaia belangeri (Tree Shrew)
"MGP_AKRJ_", # Mus musculus (Mouse AKR/J)
"ENSDAR", # Danio rerio (Zebrafish)
"ENSMUS", # Mus musculus (Mouse)
"ENSETE", # Echinops telfairi (Lesser hedgehog tenrec)
"ENSSBO", # Saimiri boliviensis boliviensis (Bolivian squirrel monkey)
"ENS", # Homo sapiens (Human)
"ENSCGR", # Cricetulus griseus (Chinese hamster CHOK1GS)
"ENSFCA", # Felis catus (Cat)
"MGP_BALBcJ_", # Mus musculus (Mouse BALB/cJ)
"MGP_PahariEiJ_", # Mus pahari (Shrew mouse)
"ENSCSA", # Chlorocebus sabaeus (Vervet-AGM)
"ENSCCA", # Cebus capucinus imitator (Capuchin)
"ENSOAR", # Ovis aries (Sheep)
"ENSCHI", # Capra hircus (Goat)
"ENSDOR", # Dipodomys ordii (Kangaroo rat)
"ENSCHO", # Choloepus hoffmanni (Sloth)
"ENSSHA", # Sarcophilus harrisii (Tasmanian devil)
"ENSMPU", # Mustela putorius furo (Ferret)
"ENSNLE", # Nomascus leucogenys (Gibbon)
"ENSXMA", # Xiphophorus maculatus (Platyfish)
"ENSSSC", # Sus scrofa (Pig)
"ENSEEU", # Erinaceus europaeus (Hedgehog)
"ENSPSI", # Pelodiscus sinensis (Chinese softshell turtle)
"MGP_DBA2J_", # Mus musculus (Mouse DBA/2J)
"ENSAMX", # Astyanax mexicanus (Cave fish)
"MGP_WSBEiJ_", # Mus musculus domesticus (Mouse WSB/EiJ)
"ENSJJA", # Jaculus jaculus (Lesser Egyptian jerboa)
"ENSCIN", # Ciona intestinalis
"ENSPPA", # Pan paniscus (Bonobo)
"MGP_SPRETEiJ_", # Mus spretus (Algerian mouse)
"ENSCAN", # Colobus angolensis palliatus (Angola colobus)
"MGP_NODShiLtJ_", # Mus musculus (Mouse NOD/ShiLtJ)
"ENSCLA", # Chinchilla lanigera (Long-tailed chinchilla)
"ENSCPO", # Cavia porcellus (Guinea Pig)
"ENSDNO", # Dasypus novemcinctus (Armadillo)
"ENSPFO", # Poecilia formosa (Amazon molly)
"ENSMIC", # Microcebus murinus (Mouse Lemur)
"MGP_FVBNJ_", # Mus musculus (Mouse FVB/NJ)
"MGP_CBAJ_", # Mus musculus (Mouse CBA/J)
"ENSSTO", # Ictidomys tridecemlineatus (Squirrel)
"ENSRNO", # Rattus norvegicus (Rat)
"ENSMOC", # Microtus ochrogaster (Prairie vole)
"ENSTNI", # Tetraodon nigroviridis (Tetraodon)
"ENSPPY", # Pongo abelii (Orangutan)
"ENSGAC", # Gasterosteus aculeatus (Stickleback)
"ENSLOC", # Lepisosteus oculatus (Spotted gar)
"ENSODE", # Octodon degus (Degu)
"ENSPCA", # Procavia capensis (Hyrax)
"ENSECA", # Equus caballus (Horse)
"ENSOAN", # Ornithorhynchus anatinus (Platypus)
"MGP_CAROLIEiJ_", # Mus caroli (Ryukyu mouse)
"ENSHGLM", # Heterocephalus glaber (Naked mole-rat male)
"MGP_129S1SvImJ_", # Mus musculus (Mouse 129S1/SvImJ)
"ENSRBI", # Rhinopithecus bieti (Black snub-nosed monkey)
"ENSMLU", # Myotis lucifugus (Microbat)
"ENSMLE", # Mandrillus leucophaeus (Drill)
"ENSMFA", # Macaca fascicularis (Crab-eating macaque)
)
"""List of species-specific prefixes for Ensembl accession numbers."""
doi_regexp = re.compile(
"(doi:\s*|(?:https?://)?(?:dx\.)?doi\.org/)?(10\.\d+(.\d+)*/.+)$",
flags=re.I
)
"""See http://en.wikipedia.org/wiki/Digital_object_identifier."""
handle_regexp = re.compile(
"(hdl:\s*|(?:https?://)?hdl\.handle\.net/)?"
"([^/\.]+(\.[^/\.]+)*/.*)$",
flags=re.I
)
"""See http://handle.net/rfc/rfc3651.html.
<Handle> = <NamingAuthority> "/" <LocalName>
<NamingAuthority> = *(<NamingAuthority> ".") <NAsegment>
<NAsegment> = Any UTF8 char except "/" and "."
<LocalName> = Any UTF8 char
"""
arxiv_post_2007_regexp = re.compile(
"(arxiv:)?(\d{4})\.(\d{4,5})(v\d+)?$",
flags=re.I
)
"""See http://arxiv.org/help/arxiv_identifier and
http://arxiv.org/help/arxiv_identifier_for_services."""
arxiv_pre_2007_regexp = re.compile(
"(arxiv:)?([a-z\-]+)(\.[a-z]{2})?(/\d{4})(\d+)(v\d+)?$",
flags=re.I
)
"""See http://arxiv.org/help/arxiv_identifier and
http://arxiv.org/help/arxiv_identifier_for_services."""
arxiv_post_2007_with_class_regexp = re.compile(
"(arxiv:)?(?:[a-z\-]+)(?:\.[a-z]{2})?/(\d{4})\.(\d{4,5})(v\d+)?$",
flags=re.I
)
"""Matches new style arXiv ID, with an old-style class specification;
technically malformed, however appears in real data."""
hal_regexp = re.compile(
"(hal:|HAL:)?([a-z]{3}[a-z]*-|(sic|mem|ijn)_)\d{8}(v\d+)?$"
)
"""Matches HAL identifiers (sic mem and ijn are old identifiers form)."""
ads_regexp = re.compile("(ads:|ADS:)?(\d{4}[A-Za-z]\S{13}[A-Z.:])$")
"""See http://adsabs.harvard.edu/abs_doc/help_pages/data.html"""
pmcid_regexp = re.compile("PMC\d+$", flags=re.I)
"""PubMed Central ID regular expression."""
pmid_regexp = re.compile("(pmid:)?(\d+)$", flags=re.I)
"""PubMed ID regular expression."""
ark_suffix_regexp = re.compile("ark:/\d+/.+$")
"""See http://en.wikipedia.org/wiki/Archival_Resource_Key and
https://confluence.ucop.edu/display/Curation/ARK."""
lsid_regexp = re.compile("urn:lsid:[^:]+(:[^:]+){2,3}$", flags=re.I)
"""See http://en.wikipedia.org/wiki/LSID."""
orcid_url = "http://orcid.org/"
gnd_regexp = re.compile(
"(gnd:|GND:)?("
"(1|10)\d{7}[0-9X]|"
"[47]\d{6}-\d|"
"[1-9]\d{0,7}-[0-9X]|"
"3\d{7}[0-9X]"
")")
"""See https://www.wikidata.org/wiki/Property:P227."""
gnd_resolver_url = "http://d-nb.info/gnd/"
sra_regexp = re.compile("[SED]R[APRSXZ]\d+$")
"""Sequence Read Archive regular expression."""
bioproject_regexp = re.compile("PRJ(NA|EA|EB|DB)\d+$")
"""BioProject regular expression."""
biosample_regexp = re.compile("SAM(N|EA|D)\d+$")
"""BioSample regular expression."""
ensembl_regexp = re.compile("({prefixes})(E|FM|G|GT|P|R|T)\d{{11}}$".format(
prefixes="|".join(ENSEMBL_PREFIXES)))
"""Ensembl regular expression."""
uniprot_regexp = re.compile("([A-N,R-Z][0-9]([A-Z][A-Z,0-9]{2}[0-9]){1,2})|"
"([O,P,Q][0-9][A-Z,0-9]{3}[0-9])(\.\d+)?$")
"""UniProt regular expression."""
refseq_regexp = re.compile("((AC|NC|NG|NT|NW|NM|NR|XM|XR|AP|NP|YP|XP|WP)_|"
"NZ_[A-Z]{4})\d+(\.\d+)?$")
"""RefSeq regular expression."""
genome_regexp = re.compile("GC[AF]_\d+\.\d+$")
"""GenBank or RefSeq genome assembly accession."""
def _convert_x_to_10(x):
"""Convert char to int with X being converted to 10."""
return int(x) if x != 'X' else 10
def is_isbn10(val):
"""Test if argument is an ISBN-10 number.
Courtesy Wikipedia:
http://en.wikipedia.org/wiki/International_Standard_Book_Number
"""
val = val.replace("-", "").replace(" ", "").upper()
if len(val) != 10:
return False
try:
r = sum([(10 - i) * (_convert_x_to_10(x)) for i, x in enumerate(val)])
return not (r % 11)
except ValueError:
return False
def is_isbn13(val):
"""Test if argument is an ISBN-13 number.
Courtesy Wikipedia:
http://en.wikipedia.org/wiki/International_Standard_Book_Number
"""
val = val.replace("-", "").replace(" ", "").upper()
if len(val) != 13:
return False
try:
total = sum([
int(num) * weight for num, weight in zip(val, (1, 3) * 6)
])
ck = (10 - total) % 10
return ck == int(val[-1])
except ValueError:
return False
def is_isbn(val):
"""Test if argument is an ISBN-10 or ISBN-13 number."""
if is_isbn10(val) or is_isbn13(val):
if val[0:3] in ["978", "979"] or not is_ean13(val):
return True
return False
def is_issn(val):
"""Test if argument is an ISSN number."""
try:
val = val.replace("-", "").replace(" ", "").upper()
if len(val) != 8:
return False
r = sum([(8 - i) * (_convert_x_to_10(x)) for i, x in enumerate(val)])
return not (r % 11)
except ValueError:
return False
def is_istc(val):
"""Test if argument is a International Standard Text Code.
See http://www.istc-international.org/html/about_structure_syntax.aspx
"""
val = val.replace("-", "").replace(" ", "").upper()
if len(val) != 16:
return False
sequence = [11, 9, 3, 1]
try:
r = sum([int(x, 16)*sequence[i % 4] for i, x in enumerate(val[:-1])])
ck = hex(r % 16)[2:].upper()
return ck == val[-1]
except ValueError:
return False
def is_doi(val):
"""Test if argument is a DOI."""
return doi_regexp.match(val)
def is_handle(val):
"""Test if argument is a Handle.
Note, DOIs are also handles, and handle are very generic so they will also
match e.g. any URL your parse.
"""
return handle_regexp.match(val)
def is_ean8(val):
"""Test if argument is a International Article Number (EAN-8)."""
if len(val) != 8:
return False
sequence = [3, 1]
try:
r = sum([int(x)*sequence[i % 2] for i, x in enumerate(val[:-1])])
ck = (10 - r % 10) % 10
return ck == int(val[-1])
except ValueError:
return False
def is_ean13(val):
"""Test if argument is a International Article Number (EAN-13)."""
if len(val) != 13:
return False
sequence = [1, 3]
try:
r = sum([int(x)*sequence[i % 2] for i, x in enumerate(val[:-1])])
ck = (10 - r % 10) % 10
return ck == int(val[-1])
except ValueError:
return False
def is_ean(val):
"""Test if argument is a International Article Number (EAN-13 or EAN-8).
See http://en.wikipedia.org/wiki/International_Article_Number_(EAN).
"""
return is_ean13(val) or is_ean8(val)
def is_isni(val):
"""Test if argument is an International Standard Name Identifier."""
val = val.replace("-", "").replace(" ", "").upper()
if len(val) != 16:
return False
try:
r = 0
for x in val[:-1]:
r = (r + int(x))*2
ck = (12 - r % 11) % 11
return ck == _convert_x_to_10(val[-1])
except ValueError:
return False
def is_orcid(val):
"""Test if argument is an ORCID ID.
See http://support.orcid.org/knowledgebase/
articles/116780-structure-of-the-orcid-identifier
"""
if val.startswith(orcid_url):
val = val[len(orcid_url):]
val = val.replace("-", "").replace(" ", "")
if is_isni(val):
val = int(val[:-1], 10) # Remove check digit and convert to int.
return val >= 15000000 and val <= 35000000
return False
def is_ark(val):
"""Test if argument is an ARK."""
res = urlparse(val)
return ark_suffix_regexp.match(val) or (
res.scheme == 'http' and
res.netloc != '' and
# Note res.path includes leading slash, hence [1:] to use same reexp
ark_suffix_regexp.match(res.path[1:]) and
res.params == ''
)
def is_purl(val):
"""Test if argument is a PURL."""
res = urlparse(val)
return (res.scheme == 'http' and
res.netloc in ['purl.org', 'purl.oclc.org', 'purl.net',
'purl.com'] and
res.path != '')
def is_url(val):
"""Test if argument is a URL."""
res = urlparse(val)
return bool(res.scheme and res.netloc and res.params == '')
def is_lsid(val):
"""Test if argument is a LSID."""
return is_urn(val) and lsid_regexp.match(val)
def is_urn(val):
"""Test if argument is an URN."""
res = urlparse(val)
return bool(res.scheme == 'urn' and res.netloc == '' and res.path != '')
def is_ads(val):
"""Test if argument is an ADS bibliographic code."""
return ads_regexp.match(val)
def is_arxiv_post_2007(val):
"""Test if argument is a post-2007 arXiv ID."""
return arxiv_post_2007_regexp.match(val) \
or arxiv_post_2007_with_class_regexp.match(val)
def is_arxiv_pre_2007(val):
"""Test if argument is a pre-2007 arXiv ID."""
return arxiv_pre_2007_regexp.match(val)
def is_arxiv(val):
"""Test if argument is an arXiv ID.
See http://arxiv.org/help/arxiv_identifier and
http://arxiv.org/help/arxiv_identifier_for_services.
"""
return is_arxiv_post_2007(val) or is_arxiv_pre_2007(val)
def is_hal(val):
"""Test if argument is a HAL identifier.
See (https://hal.archives-ouvertes.fr)
"""
return hal_regexp.match(val)
def is_pmid(val):
"""Test if argument is a PubMed ID.
Warning: PMID are just integers, with no structure, so this function will
say any integer is a PubMed ID
"""
return pmid_regexp.match(val)
def is_pmcid(val):
"""Test if argument is a PubMed Central ID."""
return pmcid_regexp.match(val)
def is_gnd(val):
"""Test if argument is a GND Identifier."""
if val.startswith(gnd_resolver_url):
val = val[len(gnd_resolver_url):]
return gnd_regexp.match(val)
def is_sra(val):
"""Test if argument is an SRA accession."""
return sra_regexp.match(val)
def is_bioproject(val):
"""Test if argument is a BioProject accession."""
return bioproject_regexp.match(val)
def is_biosample(val):
"""Test if argument is a BioSample accession."""
return biosample_regexp.match(val)
def is_ensembl(val):
"""Test if argument is an Ensembl accession."""
return ensembl_regexp.match(val)
def is_uniprot(val):
"""Test if argument is a UniProt accession."""
return uniprot_regexp.match(val)
def is_refseq(val):
"""Test if argument is a RefSeq accession."""
return refseq_regexp.match(val)
def is_genome(val):
"""Test if argument is a GenBank or RefSeq genome assembly accession."""
return genome_regexp.match(val)
PID_SCHEMES = [
('doi', is_doi),
('ark', is_ark),
('handle', is_handle),
('purl', is_purl),
('lsid', is_lsid),
('urn', is_urn),
('ads', is_ads),
('arxiv', is_arxiv),
('hal', is_hal),
('pmcid', is_pmcid),
('isbn', is_isbn),
('issn', is_issn),
('orcid', is_orcid),
('isni', is_isni),
('ean13', is_ean13),
('ean8', is_ean8),
('istc', is_istc),
('gnd', is_gnd),
('url', is_url),
('pmid', is_pmid),
('sra', is_sra),
('bioproject', is_bioproject),
('biosample', is_biosample),
('ensembl', is_ensembl),
('uniprot', is_uniprot),
('refseq', is_refseq),
('genome', is_genome),
]
"""Definition of scheme name and associated test function.
Order of list is important, as identifier scheme detection will test in the
order given by this list."""
SCHEME_FILTER = [
('ean8', ['gnd', 'pmid']),
('ean13', ['gnd', 'pmid']),
('isbn', ['gnd', 'pmid']),
('orcid', ['gnd', 'pmid']),
('isni', ['gnd', 'pmid']),
('issn', ['gnd', ]),
]
def detect_identifier_schemes(val):
"""Detect persistent identifier scheme for a given value.
.. note:: Some schemes like PMID are very generic.
"""
schemes = []
for scheme, test in PID_SCHEMES:
if test(val):
schemes.append(scheme)
for first, remove_schemes in SCHEME_FILTER:
if first in schemes:
schemes = list(filter(lambda x: x not in remove_schemes, schemes))
if 'handle' in schemes and 'url' in schemes \
and not val.startswith("http://hdl.handle.net/") \
and not val.startswith("https://hdl.handle.net/"):
schemes = list(filter(lambda x: x != 'handle', schemes))
elif 'handle' in schemes and ('ark' in schemes or 'arxiv' in schemes):
schemes = list(filter(lambda x: x != 'handle', schemes))
return schemes
def normalize_doi(val):
"""Normalize a DOI."""
m = doi_regexp.match(val)
return m.group(2)
def normalize_handle(val):
"""Normalize a Handle identifier."""
m = handle_regexp.match(val)
return m.group(2)
def normalize_ads(val):
"""Normalize an ADS bibliographic code."""
m = ads_regexp.match(val)
return m.group(2)
def normalize_orcid(val):
"""Normalize an ORCID identifier."""
if val.startswith(orcid_url):
val = val[len(orcid_url):]
val = val.replace("-", "").replace(" ", "")
return "-".join([val[0:4], val[4:8], val[8:12], val[12:16]])
def normalize_gnd(val):
"""Normalize a GND identifier."""
if val.startswith(gnd_resolver_url):
val = val[len(gnd_resolver_url):]
if val.lower().startswith("gnd:"):
val = val[len("gnd:"):]
return "gnd:{0}".format(val)
def normalize_pmid(val):
"""Normalize an PubMed ID."""
m = pmid_regexp.match(val)
return m.group(2)
def normalize_arxiv(val):
"""Normalize an arXiv identifier."""
if not val.lower().startswith("arxiv:"):
val = "arXiv:{0}".format(val)
elif val[:6] != "arXiv:":
val = "arXiv:{0}".format(val[6:])
# Normalize old identifiers to preferred scheme as specified by
# http://arxiv.org/help/arxiv_identifier_for_services
# (i.e. arXiv:math.GT/0309136 -> arXiv:math/0309136)
m = is_arxiv_pre_2007(val)
if m and m.group(3):
val = "".join(m.group(1, 2, 4, 5))
if m.group(6):
val += m.group(6)
m = is_arxiv_post_2007(val)
if m:
val = 'arXiv:' + '.'.join(m.group(2, 3))
if m.group(4):
val += m.group(4)
return val
def normalize_hal(val):
"""Normalize a HAL identifier."""
val = val.replace(' ', '').lower().replace('hal:', '')
return val
def normalize_isbn(val):
"""Normalize an ISBN identifier."""
val = val.replace(' ', '').replace('-', '').strip().upper()
return ISBN(val).hyphen()
def normalize_issn(val):
"""Normalize an ISSN identifier."""
val = val.replace(' ', '').replace('-', '').strip().upper()
return '{0}-{1}'.format(val[:4], val[4:])
def normalize_pid(val, scheme):
"""Normalize an identifier.
E.g. doi:10.1234/foo and http://dx.doi.org/10.1234/foo and 10.1234/foo
will all be normalized to 10.1234/foo.
"""
if not val:
return val
if scheme == 'doi':
return normalize_doi(val)
elif scheme == 'handle':
return normalize_handle(val)
elif scheme == 'ads':
return normalize_ads(val)
elif scheme == 'pmid':
return normalize_pmid(val)
elif scheme == 'arxiv':
return normalize_arxiv(val)
elif scheme == 'orcid':
return normalize_orcid(val)
elif scheme == 'gnd':
return normalize_gnd(val)
elif scheme == 'isbn':
return normalize_isbn(val)
elif scheme == 'issn':
return normalize_issn(val)
elif scheme == 'hal':
return normalize_hal(val)
return val
LANDING_URLS = {
'doi': u'{scheme}://doi.org/{pid}',
'handle': u'{scheme}://hdl.handle.net/{pid}',
'arxiv': u'{scheme}://arxiv.org/abs/{pid}',
'orcid': u'{scheme}://orcid.org/{pid}',
'pmid': u'{scheme}://www.ncbi.nlm.nih.gov/pubmed/{pid}',
'ads': u'{scheme}://ui.adsabs.harvard.edu/#abs/{pid}',
'pmcid': u'{scheme}://www.ncbi.nlm.nih.gov/pmc/{pid}',
'gnd': u'{scheme}://d-nb.info/gnd/{pid}',
'urn': u'{scheme}://nbn-resolving.org/{pid}',
'sra': u'{scheme}://www.ebi.ac.uk/ena/data/view/{pid}',
'bioproject': u'{scheme}://www.ebi.ac.uk/ena/data/view/{pid}',
'biosample': u'{scheme}://www.ebi.ac.uk/ena/data/view/{pid}',
'ensembl': u'{scheme}://www.ensembl.org/id/{pid}',
'uniprot': u'{scheme}://purl.uniprot.org/uniprot/{pid}',
'refseq': u'{scheme}://www.ncbi.nlm.nih.gov/entrez/viewer.fcgi?val={pid}',
'genome': u'{scheme}://www.ncbi.nlm.nih.gov/assembly/{pid}',
'hal': u'{scheme}://hal.archives-ouvertes.fr/{pid}',
}
"""URL generation configuration for the supported PID providers."""
def to_url(val, scheme, url_scheme='http'):
"""Convert a resolvable identifier into a URL for a landing page.
:param val: The identifier's value.
:param scheme: The identifier's scheme.
:param url_scheme: Scheme to use for URL generation, 'http' or 'https'.
:returns: URL for the identifier.
.. versionadded:: 0.3.0
``url_scheme`` used for URL generation.
"""
pid = normalize_pid(val, scheme)
if scheme in LANDING_URLS:
if scheme == 'gnd' and pid.startswith('gnd:'):
pid = pid[len('gnd:'):]
if scheme == 'urn' and not pid.lower().startswith('urn:nbn:'):
return ''
return LANDING_URLS[scheme].format(scheme=url_scheme, pid=pid)
elif scheme in ['purl', 'url']:
return pid
return ''