def pubmed_parser(path_xml):
ar = pp.parse_pubmed_xml(path_xml)
if not isinstance(path_xml, str):
path_xml.seek(0)
paragraph_dicts = pp.parse_pubmed_paragraph(path_xml)
paragraphs = []
for p in paragraph_dicts:
del (p['pmc'])
del (p['pmid'])
paragraphs.append(p)
ar['paragraphs'] = paragraphs
num(ar, 'publication_year')
try:
ar['publication_date'] = datetime.datetime.strptime(
ar['publication_date'], "%d-%m-%Y")
except ValueError:
try:
print(ar['publication_date'])
# assume error in 'day' and retry with the first day of the month
ar['publication_date'] = datetime.datetime.strptime(
"01" + ar['publication_date'][2:], "%d-%m-%Y")
except ValueError:
# a workaround, until we have a robust parser
ar['publication_date'] = datetime.datetime(2000, 1, 1)
return ar
def update_entry(self, entry): # ClinVar Variation Archive entry
if 'InterpretedRecord' in entry:
ir = entry['InterpretedRecord']
if 'SimpleAllele' in ir:
self.update_simpleallele(ir['SimpleAllele'])
if 'RCVList' in ir:
unifylistattribute(ir,
"RCVList",
"RCVAccession",
renamelistto='rcv')
for i, rcvacc in enumerate(ir['rcv']):
if isinstance(rcvacc, string_types):
ir['rcv'][i] = {'#text': rcvacc}
else:
unifylistattribute(rcvacc,
"InterpretedConditionList",
"InterpretedCondition",
renamelistto='interpretedCondition')
for j, ic in enumerate(rcvacc['interpretedCondition']):
if isinstance(ic, string_types):
rcvacc['interpretedCondition'][j] = {
'#text': ic
}
unifylistattribute(ir,
"ClinicalAssertionList",
"ClinicalAssertion",
renamelistto='clinicalAssertion')
for ca in ir['clinicalAssertion']:
num(ca, 'ID')
if "Interpretation" in ca:
self.update_date(ca)
self.update_comment(ca['Interpretation'])
unifylistattribute(ca,
"ObservedInList",
"ObservedIn",
renamelistto='observedIn')
if 'SimpleAllele' in ca:
sa = ca['SimpleAllele']
self.update_simpleallele(sa)
if 'Genotype' in ca:
self.update_genotype_haplotype(ca['Genotype'])
if 'Haplotype' in ca:
self.update_genotype_haplotype(ca['Haplotype'])
if 'TraitSet' in ca:
self.update_comment(ca['TraitSet'])
self.update_comment(ca)
for o in ca['observedIn']:
self.update_comment(o)
if not isinstance(o['Sample']['Species'], string_types):
o['Sample']['Species'] = o['Sample']['Species'][
'#text']
if 'TraitSet' in o:
self.update_comment(o['TraitSet'])
if 'ObservedData' in o:
self.update_comment(o['ObservedData'])
if 'Method' in o and 'ObsMethodAttribute' in o['Method']:
self.update_comment(o['Method']['ObsMethodAttribute'])
def update_entry(self, entry):
del entry['id']
num(entry, "protein_count", int)
if 'abstract' in entry:
import json
entry['abstract'] = json.dumps(entry['abstract']) # , indent=4)
if 'taxonomy_distribution' in entry:
unifylistattribute(entry, 'taxonomy_distribution', 'taxon_data')
for i in entry['taxonomy_distribution']:
num(i, "proteins_count", int)
def read_and_index_articles_file(self, infile_):
infile = str(infile_)
print("Reading %s " % infile)
if infile.endswith(".xml.gz"):
f = gzip.open(infile, 'rb')
elif infile.endswith(".xml"):
f = open(infile, 'rb')
else:
print(
"Ignoring '%s': filename does not end with '.xml' or '.xml.gz'"
% infile)
return
articles = pp.parse_medline_xml(f)
listattrs = [
'authors', 'mesh_terms', 'publication_types', 'chemical_list',
'keywords', 'references', 'affiliations'
]
ids = set()
deletedrecords, deletedpmids = list(), list()
for i, ar in enumerate(articles):
if ar['delete']:
# DeleteCitation entries at the end of the xml archive files
# are parsed to an object with field values set to float NaN
deletedrecords.append(i)
deletedpmids.append(ar['pmid'])
continue
try:
num(ar, 'pmc')
except ValueError:
ar['pmc'] = 2000
ar['_id'] = num(ar, 'pmid')
ids.add(ar['_id'])
try:
ar['pubdate'] = datetime.datetime(int(ar['pubdate']), 1, 1)
except ValueError:
print(ar['pubdate'])
ar['pubdate'] = datetime.datetime(2000, 1, 1)
for listattr in listattrs:
if len(ar[listattr]) == 0:
del ar[listattr]
else:
spr = ';' if listattr in ['authors', 'references'
] else '; '
ar[listattr] = ar[listattr].split(spr)
for i in reversed(deletedrecords):
del articles[i]
self.qry.deletepubmedids(deletedpmids)
if self.db == "Elasticsearch":
if not self.qry.checkpubmedidsindexed(list(ids)):
self.es_index(articles)
else:
print("Records in %s looks have been indexed, skipping" %
infile)
else: # assume MongoDB
self.mdb_index(articles)
def index_article(dbc, ar):
num(ar, 'pmid')
pmcid = num(ar, 'pmc')
try:
if dbc.db == "Elasticsearch":
dbc.es.index(index=dbc.index, id=pmcid, body=ar)
else: # MongoDB
spec = {"_id": pmcid}
dbc.mdbi[dbc.mdbcollection].update(spec, ar, upsert=True)
except Exception as e:
print("error: %s" % e)
del ar
def update_simpleallele(self, sa):
self.update_synonyms(sa)
self.update_comment(sa)
unifylistattribute(sa,
"MolecularConsequenceList",
"MolecularConsequence",
renamelistto='molecularConsequence')
if 'molecularConsequence' in sa:
self.update_comment(sa['molecularConsequence'])
if 'FunctionalConsequence' in sa:
self.update_comment(sa['FunctionalConsequence'])
num(sa, 'AlleleID')
num(sa, 'VariationID')
