def test_collapse_initials(self):
"""Test proper initial handling."""
self.assertEqual(collapse_initials("T. A. Adams"), "T.A. Adams")
self.assertEqual(collapse_initials("T.-A. Adams"), "T.A. Adams")
self.assertEqual(collapse_initials("T. A. Adams"), "T.A. Adams")
self.assertEqual(collapse_initials("T. A."), "T.A.")
self.assertEqual(collapse_initials("T. A. V. Adams"), "T.A.V. Adams")
def _get_authors(self):
authors = []
affiliations = {}
for tag in self.document.getElementsByTagName('aff'):
aid = tag.getAttribute('id')
affiliation = xml_to_text(tag)
affiliation = ' '.join(affiliation.split()[1:])
affiliations[aid] = affiliation
for tag in self.document.getElementsByTagName('contrib'):
if tag.getAttribute('contrib-type') == 'author':
rid = ''
for aff in tag.getElementsByTagName('xref'):
if aff.getAttribute('ref-type') == 'aff':
rid = aff.getAttribute('rid')
if len(rid.split()) > 1:
rid = rid.split()[0]
given_names = get_value_in_tag(tag, 'given-names')
given_names = collapse_initials(given_names)
surname = get_value_in_tag(tag, 'surname')
name = "%s, %s" % (surname, given_names)
try:
authors.append((name, affiliations[rid]))
except KeyError:
authors.append((name, ''))
return authors
def _get_references(self):
for ref in self.document.getElementsByTagName('ref'):
label = ref.getAttribute('id')
label = sub(r'\D', '', label)
text_ref = ''
ext_link = ''
for mixed in ref.getElementsByTagName('mixed-citation'):
ref_type = mixed.getAttribute('publication-type')
if ref_type == 'thesis':
text_ref = get_value_in_tag(ref, 'mixed-citation')
elif ref_type == 'conf-proc':
text_ref = get_value_in_tag(ref, 'mixed-citation')
elif ref_type == 'other' or ref_type == 'web':
text_ref = get_value_in_tag(ref, 'mixed-citation')
ext_link = get_value_in_tag(mixed, 'ext-link')
elif ref_type == 'book':
text_ref = xml_to_text(mixed)
authors = []
for auth in ref.getElementsByTagName('string-name'):
surname = get_value_in_tag(auth, 'surname')
given_names = get_value_in_tag(auth, 'given-names')
given_names = collapse_initials(given_names)
authors.append('%s, %s' % (surname, given_names))
year = get_value_in_tag(ref, 'year')
source = get_value_in_tag(ref, 'source')
volume = get_value_in_tag(ref, 'volume')
page = get_value_in_tag(ref, 'fpage')
if ref_type == 'journal':
source, vol = fix_journal_name(source, self.journal_mappings)
if vol:
volume = vol + volume
yield (label, ref_type, text_ref, ext_link, authors, year, source,
volume, page)
def _get_authors(self):
authors = []
for contrib in self.document.getElementsByTagName('contrib'):
# Springer puts colaborations in additional "contrib" tag so to
# avoid having fake author with all affiliations we skip "contrib"
# tag with "contrib" subtags.
if contrib.getElementsByTagName('contrib'):
continue
if contrib.getElementsByTagName('collab'):
continue
if contrib.getAttribute('contrib-type') == 'author':
surname = get_value_in_tag(contrib, 'surname')
given_names = get_value_in_tag(contrib, 'given-names')
given_names = collapse_initials(given_names)
name = '%s, %s' % (surname, given_names)
affiliations = []
corresp = []
for tag in contrib.getElementsByTagName('xref'):
if tag.getAttribute('ref-type') == 'aff':
for rid in tag.getAttribute('rid').split():
if rid.lower().startswith('a'):
affiliations.append(rid)
elif rid.lower().startswith('n'):
corresp.append(rid)
elif tag.getAttribute('ref-type') == 'corresp' or\
tag.getAttribute('ref-type') == 'author-notes':
for rid in tag.getAttribute('rid').split():
corresp.append(rid)
authors.append((name, affiliations, corresp))
return authors
def _get_authors(self):
authors = []
for contrib in self.document.getElementsByTagName('contrib'):
# Springer puts colaborations in additional "contrib" tag so to
# avoid having fake author with all affiliations we skip "contrib"
# tag with "contrib" subtags.
if contrib.getElementsByTagName('contrib'):
continue
if contrib.getAttribute('contrib-type') == 'author':
surname = get_value_in_tag(contrib, 'surname')
given_names = get_value_in_tag(contrib, 'given-names')
given_names = collapse_initials(given_names)
name = '%s, %s' % (surname, given_names)
affiliations = []
corresp = []
for tag in contrib.getElementsByTagName('xref'):
if tag.getAttribute('ref-type') == 'aff':
for rid in tag.getAttribute('rid').split():
if rid.lower().startswith('a'):
affiliations.append(rid)
elif rid.lower().startswith('n'):
corresp.append(rid)
elif tag.getAttribute('ref-type') == 'corresp' or\
tag.getAttribute('ref-type') == 'author-notes':
for rid in tag.getAttribute('rid').split():
corresp.append(rid)
authors.append((name, affiliations, corresp))
return authors
def _get_references(self):
for ref in self.document.getElementsByTagName("ref"):
label = ref.getAttribute("id")
label = sub(r"\D", "", label)
text_ref = ""
ext_link = ""
for mixed in ref.getElementsByTagName("mixed-citation"):
ref_type = mixed.getAttribute("publication-type")
if ref_type == "thesis":
text_ref = get_value_in_tag(ref, "mixed-citation")
elif ref_type == "conf-proc":
text_ref = get_value_in_tag(ref, "mixed-citation")
elif ref_type == "other" or ref_type == "web":
text_ref = get_value_in_tag(ref, "mixed-citation")
ext_link = get_value_in_tag(mixed, "ext-link")
elif ref_type == "book":
text_ref = xml_to_text(mixed)
authors = []
for auth in ref.getElementsByTagName("string-name"):
surname = get_value_in_tag(auth, "surname")
given_names = get_value_in_tag(auth, "given-names")
given_names = collapse_initials(given_names)
authors.append("%s, %s" % (surname, given_names))
year = get_value_in_tag(ref, "year")
source = get_value_in_tag(ref, "source")
volume = get_value_in_tag(ref, "volume")
page = get_value_in_tag(ref, "fpage")
if ref_type == "journal":
source, vol = fix_journal_name(source, self.journal_mappings)
if vol:
volume = vol + volume
yield label, ref_type, text_ref, ext_link, authors, year, source, volume, page
def _get_references(self):
for ref in self.document.getElementsByTagName('ref'):
label = ref.getAttribute('id')
label = sub(r'\D', '', label)
text_ref = ''
ext_link = ''
for mixed in ref.getElementsByTagName('mixed-citation'):
ref_type = mixed.getAttribute('publication-type')
if ref_type == 'thesis':
text_ref = get_value_in_tag(ref, 'mixed-citation')
elif ref_type == 'conf-proc':
text_ref = get_value_in_tag(ref, 'mixed-citation')
elif ref_type == 'other' or ref_type == 'web':
text_ref = get_value_in_tag(ref, 'mixed-citation')
ext_link = get_value_in_tag(mixed, 'ext-link')
elif ref_type == 'book':
text_ref = xml_to_text(mixed)
authors = []
for auth in ref.getElementsByTagName('string-name'):
surname = get_value_in_tag(auth, 'surname')
given_names = get_value_in_tag(auth, 'given-names')
given_names = collapse_initials(given_names)
authors.append('%s, %s' % (surname, given_names))
year = get_value_in_tag(ref, 'year')
source = get_value_in_tag(ref, 'source')
volume = get_value_in_tag(ref, 'volume')
page = get_value_in_tag(ref, 'fpage')
if ref_type == 'journal':
source, vol = fix_journal_name(source, self.journal_mappings)
if vol:
volume = vol + volume
yield (label, ref_type, text_ref, ext_link,
authors, year, source, volume, page)
def _get_authors(self):
authors = []
for tag in self.document.getElementsByTagName('dc:creator'):
author = xml_to_text(tag)
lastname = author.split()[-1]
givenames = author.split()[:-1]
lastname, givenames = fix_name_capitalization(lastname, givenames)
givenames = collapse_initials(givenames)
authors.append("%s, %s" % (lastname, givenames))
return authors
def _get_authors(self):
authors = []
for tag in self.document.getElementsByTagName('dc:creator'):
author = xml_to_text(tag)
lastname = author.split()[-1]
lastname = lastname[0] + lastname[1:].lower()
givennames = ''
for name in author.split()[:-1]:
name = name[0] + name[1:].lower()
givennames += name + ' '
givennames = collapse_initials(givennames.strip())
authors.append("%s, %s" % (lastname, givennames))
return authors
def _get_authors(self):
authors = []
for pextag in self.document.getElementsByTagName('pex-dc:creator'):
affiliations = []
for auttag in pextag.getElementsByTagName('pex-dc:name'):
author = xml_to_text(auttag)
lastname = author.split()[-1]
givenames = " ".join(author.split()[:-1])
givenames = collapse_initials(givenames)
name = "%s, %s" % (lastname, givenames)
name = safe_title(name)
for afftag in pextag.getElementsByTagName('pex-dc:affiliation'):
affiliations.append(xml_to_text(afftag))
authors.append((name, affiliations))
return authors
def _get_authors(self):
authors = []
for pextag in self.document.getElementsByTagName('pex-dc:creator'):
affiliations = []
for auttag in pextag.getElementsByTagName('pex-dc:name'):
author = xml_to_text(auttag)
lastname = author.split()[-1]
givenames = " ".join(author.split()[:-1])
givenames = collapse_initials(givenames)
name = "%s, %s" % (lastname, givenames)
name = safe_title(name)
for afftag in pextag.getElementsByTagName(
'pex-dc:affiliation'):
if afftag:
affiliations.append(xml_to_text(afftag))
authors.append((name, affiliations))
return authors
def _get_authors(self):
authors = []
for tag in self.document.getElementsByTagName('dc:creator'):
author = xml_to_text(tag)
lastname = author.split()[-1]
if '-' in lastname:
names = lastname.split('-')
names = map(lambda a: a[0] + a[1:].lower(), names)
lastname = '-'.join(names)
else:
lastname = lastname[0] + lastname[1:].lower()
givennames = ''
for name in author.split()[:-1]:
name = name[0] + name[1:].lower()
givennames += name + ' '
givennames = collapse_initials(givennames.strip())
authors.append("%s, %s" % (lastname, givennames))
return authors
def _get_authors(self):
authors = []
for contrib in self.document.getElementsByTagName('contrib'):
if contrib.getAttribute('contrib-type') == 'author':
surname = get_value_in_tag(contrib, 'surname')
given_names = get_value_in_tag(contrib, 'given-names')
given_names = collapse_initials(given_names)
surname, given_names = fix_name_capitalization(
surname, given_names.split()
)
name = '%s, %s' % (surname, given_names)
affiliations = []
for aff in contrib.getElementsByTagName('aff'):
affiliations.append(xml_to_text(aff))
emails = []
for email in contrib.getElementsByTagName('email'):
emails.append(xml_to_text(email))
authors.append((name, affiliations, emails))
return authors
def _get_authors(self):
authors = []
for contrib in self.document.getElementsByTagName('contrib'):
if contrib.getAttribute('contrib-type') == 'author':
surname = get_value_in_tag(contrib, 'surname')
given_names = get_value_in_tag(contrib, 'given-names')
given_names = collapse_initials(given_names)
name = '%s, %s' % (surname, given_names)
name = safe_title(name)
affiliations = []
for aff in contrib.getElementsByTagName('aff'):
affiliations.append(xml_to_text(aff))
emails = []
for email in contrib.getElementsByTagName('email'):
emails.append(xml_to_text(email))
collaborations = []
for collaboration in contrib.getElementsByTagName("collab"):
collaborations.append(xml_to_text(collaboration))
authors.append((name, affiliations, emails, collaborations))
return authors
def _get_authors(self):
authors = []
for contrib in self.document.getElementsByTagName('contrib'):
if contrib.getAttribute('contrib-type') == 'author':
surname = get_value_in_tag(contrib, 'surname')
given_names = get_value_in_tag(contrib, 'given-names')
given_names = collapse_initials(given_names)
name = '%s, %s' % (surname, given_names)
name = safe_title(name)
affiliations = []
for aff in contrib.getElementsByTagName('aff'):
affiliations.append(xml_to_text(aff))
emails = []
for email in contrib.getElementsByTagName('email'):
emails.append(xml_to_text(email))
collaborations = []
for collaboration in contrib.getElementsByTagName("collab"):
collaborations.append(xml_to_text(collaboration))
authors.append((name, affiliations, emails, collaborations))
return authors
def _get_authors(self):
authors = []
for contrib in self.document.getElementsByTagName('contrib'):
if contrib.getAttribute('contrib-type') == 'author':
surname = get_value_in_tag(contrib, 'surname')
given_names = get_value_in_tag(contrib, 'given-names')
given_names = collapse_initials(given_names)
name = '%s, %s' % (surname, given_names)
affiliations = []
corresp = []
for tag in contrib.getElementsByTagName('xref'):
if tag.getAttribute('ref-type') == 'aff':
for rid in tag.getAttribute('rid').split():
if rid.lower().startswith('a'):
affiliations.append(rid)
elif rid.lower().startswith('n'):
corresp.append(rid)
elif tag.getAttribute('ref-type') == 'corresp' or\
tag.getAttribute('ref-type') == 'author-notes':
for rid in tag.getAttribute('rid').split():
corresp.append(rid)
authors.append((name, affiliations, corresp))
return authors
def test_collapse_initials(self):
self.assertEqual(collapse_initials("T. A. Adams"), "T.A. Adams")
self.assertEqual(collapse_initials("T. A. Adams"), "T.A. Adams")
self.assertEqual(collapse_initials("T. A. V. Adams"), "T.A.V. Adams")
def _get_record(self, link):
link = link.find('a')['href']
url = urlparse.urljoin(self.base_url, link)
page = urllib2.urlopen(url)
page = BeautifulSoup(page)
self.content = page.body.find('div', attrs={'id': 'content'})
publication_title = self.content.find('div',
{'id': 'publication-title'})
if publication_title:
publication_title = publication_title.find('a').text
else:
publication_title = ''
series_title = self._find('a', {'id': 'series-title'})
if series_title == 'NATO Science Series':
series_title = 'NATO Sci.Ser.'
title = self._find('h1', {'id': 'title'})
if not title:
title = self._find('h1', {'class': 'ChapterTitle'})
volume = self._find('span', {'id': 'book-volume'})
if volume:
volume = re.sub(r'\D', '', volume)
else:
volume = self._find('span', {'id': 'volume-range'})
volume = re.sub(r'\D', '', volume)
issue = self._find('a', {'id': 'issue-range'})
if issue:
issue = issue.split()[1]
year = self._find('span', {'id': 'copyright-year'})
if not year:
year = self._find(
'dd', {'id': 'abstract-about-book-chapter-copyright-year'})
year = re.sub(r'\D', '', year)
if not year:
year = self._find('dd', {'id': 'abstract-about-cover-date'})
year = re.sub(r'\D', '', year)[:4]
abstract = self._find('div', {'class': 'abstract-content formatted'})
page_range = self._find('span', {'id': 'page-range'})
if not page_range:
page_range = self._find(
'dd', {'id': 'abstract-about-book-chapter-page-ranges'})
if page_range:
page_range = page_range.replace('pp', '').strip()
#publisher = self._find('dd', {'id': 'abstract-about-publisher'})
copyright_holder = self._find(
'dd', {'id': 'abstract-about-book-copyright-holder'})
#issn = self._find('dd', {'id': 'abstract-about-book-series-print-issn'})
doi = self._find('dd', {'class': 'doi'})
#subtitle = self._find('dd', {'id': 'abstract-about-book-series-subtitle'})
#online_isbn = self._find('dd', {'id': 'abstract-about-book-online-isbn'})
#print_isbn = self._find('dd', {'id': 'abstract-about-book-print-isbn'})
editors = []
editors_affiliations = []
for editor in self.content.findAll('li', attrs={'itemprop': 'editor'}):
editors.append(editor.find('a').text)
try:
editors_affiliations.append(editor.find('sup')['title'])
except KeyError:
editors_affiliations.append('')
except TypeError:
editors_affiliations.append('')
authors = []
authors_affiliations = []
summary = self.content.find('div', attrs={'class': 'summary'})
for author in summary.findAll('li', attrs={'itemprop': 'author'}):
author_name = author.find('a').text
author_names = []
author_names.append(author_name.split()[-1] + ",")
author_names += author_name.split()[:-1]
author_name = " ".join(author_names)
author_name = collapse_initials(author_name)
authors.append(author_name)
try:
authors_affiliations.append(author.find('sup')['title'])
except KeyError:
authors_affiliations.append('')
except TypeError:
authors_affiliations.append('')
try:
attrs = {'id': 'abstract-actions-download-chapter-pdf-link'}
fulltext = self.content.find('a', attrs=attrs)
fulltext = urlparse.urljoin(self.base_url, fulltext['href'])
except TypeError:
fulltext = ''
#create Marc record
rec = create_record()
if title:
record_add_field(rec, '245', subfields=[('a', title)])
if doi:
record_add_field(rec,
'024',
ind1='7',
subfields=[('a', doi), ('2', 'DOI')])
first_author = True
for i in range(len(authors)):
subfields = [('a', '%s' % (authors[i]))]
if authors_affiliations[i]:
subfields.append(('v', authors_affiliations[i]))
if first_author:
record_add_field(rec, '100', subfields=subfields)
first_author = False
else:
record_add_field(rec, '700', subfields=subfields)
if abstract:
record_add_field(rec,
'520',
subfields=[('a', abstract), ('9', 'Springer')])
if copyright_holder:
record_add_field(rec,
'542',
subfields=[('f', copyright_holder), ('g', year)])
if not series_title:
series_title = publication_title
subfields = []
if series_title:
subfields.append(('p', series_title))
if volume:
subfields.append(('v', volume))
if issue:
subfields.append(('n', issue))
if page_range:
subfields.append(('c', page_range))
if year:
subfields.append(('y', year))
record_add_field(rec, '773', subfields=subfields)
record_add_field(rec, '980', subfields=[('a', 'HEP')])
record_add_field(rec, '980', subfields=[('a', 'BookChapter')])
if fulltext:
record_add_field(rec,
'FFT',
subfields=[('a', fulltext), ('t', 'Springer'),
('d', 'Fulltext')])
recordString = record_xml_output(rec)
#removes whitespace except spaces
recordString = re.sub(r'[\n\t\r\f\v]', '', recordString)
#removes two or more consecutive spaces
recordString = re.sub(r' {2,}', '', recordString)
record = parseString(recordString)
references = []
ref_fields = []
references_container = self.content.find(
'div', attrs={'id': 'abstract-references'})
if references_container:
references = references_container.findAll('li')
for reference in references:
try:
from invenio.refextract_api import (
extract_references_from_string_xml)
ref = xml_to_text(parseString(reference.decode()))
#removes the space between hep-th/ and the identifier
ref = re.sub(r'hep-th/\s(\d*)', r'hep-th/\1', ref)
ref = extract_references_from_string_xml(ref)
ref = parseString(ref)
for field in ref.childNodes:
for subfield in field.getElementsByTagName('subfield'):
if subfield.getAttribute('code') == 'm':
text = subfield.firstChild.data
text = re.sub(r'\[?arXiv:', '', text)
text = text.replace('CrossRef', '')
if text.startswith(': '):
text = text[2:]
if text:
subfield.firstChild.data = text
else:
parentNode = subfield.parentNode
parentNode.removeChild(subfield)
ref_fields.append(field.firstChild)
except ImportError:
record_add_field(rec,
'999',
ind1='C',
ind2='5',
subfields=[('m', reference.decode())])
for field in ref_fields:
record.firstChild.appendChild(field)
return record.firstChild
def _get_record(self, link):
link = link.find('a')['href']
url = urlparse.urljoin(self.base_url, link)
page = urllib2.urlopen(url)
page = BeautifulSoup(page)
self.content = page.body.find('div', attrs={'id': 'content'})
publication_title = self.content.find('div', {'id': 'publication-title'})
if publication_title:
publication_title = publication_title.find('a').text
else:
publication_title = ''
series_title = self._find('a', {'id': 'series-title'})
if series_title == 'NATO Science Series':
series_title = 'NATO Sci.Ser.'
title = self._find('h1', {'id': 'title'})
volume = self._find('span', {'id': 'book-volume'})
if volume:
volume = re.sub(r'\D', '', volume)
else:
volume = self._find('span', {'id': 'volume-range'})
volume = re.sub(r'\D', '', volume)
issue = self._find('a', {'id': 'issue-range'})
if issue:
issue = issue.split()[1]
year = self._find('span', {'id': 'copyright-year'})
year = re.sub(r'\D', '', year)
if not year:
year = self._find('dd', {'id': 'abstract-about-cover-date'})
year = re.sub(r'\D', '', year)[:4]
abstract = self._find('div', {'class': 'abstract-content formatted'})
page_range = self._find('span', {'id': 'page-range'})
if page_range:
page_range = page_range.replace('pp', '').strip()
publisher = self._find('dd', {'id': 'abstract-about-publisher'})
copyright_holder = self._find('dd', {'id': 'abstract-about-book-copyright-holder'})
issn = self._find('dd', {'id': 'abstract-about-book-series-print-issn'})
doi = self._find('dd', {'class': 'doi'})
subtitle = self._find('dd', {'id': 'abstract-about-book-series-subtitle'})
online_isbn = self._find('dd', {'id': 'abstract-about-book-online-isbn'})
print_isbn = self._find('dd', {'id': 'abstract-about-book-print-isbn'})
editors = []
editors_affiliations = []
for editor in self.content.findAll('li', attrs={'itemprop': 'editor'}):
editors.append(editor.find('a').text)
try:
editors_affiliations.append(editor.find('sup')['title'])
except KeyError:
editors_affiliations.append('')
except TypeError:
editors_affiliations.append('')
authors = []
authors_affiliations = []
summary = self.content.find('div', attrs={'class': 'summary'})
for author in summary.findAll('li', attrs={'itemprop': 'author'}):
author_name = author.find('a').text
author_names = []
author_names.append(author_name.split()[-1] + ",")
author_names += author_name.split()[:-1]
author_name = " ".join(author_names)
author_name = collapse_initials(author_name)
authors.append(author_name)
try:
authors_affiliations.append(author.find('sup')['title'])
except KeyError:
authors_affiliations.append('')
except TypeError:
authors_affiliations.append('')
try:
attrs = {'id': 'abstract-actions-download-chapter-pdf-link'}
fulltext = self.content.find('a', attrs=attrs)
fulltext = urlparse.urljoin(self.base_url, fulltext['href'])
except TypeError:
fulltext = ''
#create marc record
rec = {}
if title:
record_add_field(rec, '245', subfields=[('a', title)])
if doi:
record_add_field(rec, '024', ind1='7', subfields=[('a', doi), ('2', 'DOI')])
first_author = True
for i in range(len(authors)):
subfields = [('a', '%s' % (authors[i]))]
if authors_affiliations[i]:
subfields.append(('v', authors_affiliations[i]))
if first_author:
record_add_field(rec, '100', subfields=subfields)
first_author = False
else:
record_add_field(rec, '700', subfields=subfields)
if abstract:
record_add_field(rec, '520', subfields=[('a', abstract), ('9', 'Springer')])
if copyright_holder:
record_add_field(rec, '542', subfields=[('f', copyright_holder), ('g', year)])
if not series_title:
series_title = publication_title
subfields = []
if series_title:
subfields.append(('p', series_title))
if volume:
subfields.append(('v', volume))
if issue:
subfields.append(('n', issue))
if page_range:
subfields.append(('c', page_range))
if year:
subfields.append(('y', year))
record_add_field(rec, '773', subfields=subfields)
record_add_field(rec, '980', subfields=[('a', 'HEP')])
record_add_field(rec, '980', subfields=[('a', 'BookChapter')])
if fulltext:
record_add_field(rec, 'FFT', subfields=[('a', fulltext),
('t', 'Springer'),
('d', 'Fulltext')])
recordString = record_xml_output(rec)
#removes whitespaces except spaces
recordString = re.sub(r'[\n\t\r\f\v]', '', recordString)
#removes two or more consecutive spaces
recordString = re.sub(r' {2,}', '', recordString)
record = parseString(recordString)
references = []
ref_fields = []
references_container = self.content.find('div', attrs={'id': 'abstract-references'})
if references_container:
references = references_container.findAll('li')
for reference in references:
ref = xml_to_text(parseString(reference.decode()))
#removes the space between hep-th/ and the identifier
ref = re.sub(r'hep-th/\s(\d*)', r'hep-th/\1', ref)
ref = extract_references_from_string_xml(ref)
ref = parseString(ref)
for field in ref.childNodes:
for subfield in field.getElementsByTagName('subfield'):
if subfield.getAttribute('code') == 'm':
text = subfield.firstChild.data
text = re.sub(r'\[?arXiv:', '', text)
text = text.replace('CrossRef', '')
if text.startswith(': '):
text = text[2:]
if text:
subfield.firstChild.data = text
else:
parentNode = subfield.parentNode
parentNode.removeChild(subfield)
ref_fields.append(field.firstChild)
for field in ref_fields:
record.firstChild.appendChild(field)
return record.firstChild