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xml_parser.py
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xml_parser.py
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import xml.etree.ElementTree as ET
import os
def is_int(string):
try:
num = int(string)
return True
except ValueError:
return False
def get_total_results_from_author_products_xml(root):
elem = root.find('./{http://a9.com/-/spec/opensearch/1.1/}totalResults')
try:
total_results = int(elem.text)
return total_results
except ValueError:
print ' > ERROR parsing total results'
return None
def parse_author_products_xml(root, author_id):
documents = []
for entry in root.findall('./*'):
if entry.tag == '{http://www.w3.org/2005/Atom}entry':
document = {}
found_year = False
for attribute in entry.findall('./*'):
if attribute.tag == '{http://purl.org/dc/elements/1.1/}identifier':
document['document_id'] = str(attribute.text[10:])
elif attribute.tag == '{http://purl.org/dc/elements/1.1/}title':
document['title'] = attribute.text
elif attribute.tag == '{http://www.w3.org/2005/Atom}citedby-count':
document['cited_by_count'] = int(attribute.text)
elif attribute.tag == '{http://prismstandard.org/namespaces/basic/2.0/}coverDate':
date_split = attribute.text.split('-')
for token in date_split:
if len(token) == 4 and is_int(token):
document['year'] = int(token)
found_year = True
break
if not found_year:
cover_display_date = entry.find('./{http://prismstandard.org/namespaces/basic/2.0/}coverDisplayDate')
if not cover_display_date is None:
date_split = re.findall(r"[\w']+", cover_display_date.text)
for token in date_split:
if len(token) == 4 and is_int(token):
document['year'] = int(token)
found_year = True
break
if not found_year:
print 'Impossible to extract publication year for a document (author id: ' + str(author_id) + ')'
if len(document) > 0:
documents.append(document)
return documents
def parse_document_xml(root):
document = {}
document['title'] = ""
document['date'] = ""
document['issn'] = []
document['isbn'] = []
coredata = root.find('./{http://www.elsevier.com/xml/svapi/abstract/dtd}coredata')
for field in coredata:
if field.tag == "{http://prismstandard.org/namespaces/basic/2.0/}publicationName":
document['title'] = field.text
elif field.tag == "{http://prismstandard.org/namespaces/basic/2.0/}coverDate":
document['date'] = field.text
elif field.tag == "{http://prismstandard.org/namespaces/basic/2.0/}issn":
li = document['issn']
li.append(field.text)
elif field.tag == "{http://prismstandard.org/namespaces/basic/2.0/}isbn":
li = document['isbn']
li.append(field.text)
return document
def parse_multiple_authors_search_xml(root):
author_id_list = []
for author_id in root.findall('./documents/author-profile/{http://purl.org/dc/elements/1.1/}identifier'):
author_id_list.append(author_id.text[10:])
return author_id_list
def add_affiliations_to_list(affiliation_list, affiliation_superblock):
for affiliation_block in affiliation_superblock.findall('./affiliation'):
add_affiliation_document_to_list(affiliation_list, affiliation_block)
def add_affiliation_document_to_list(affiliation_list, affiliation_block):
affiliation_doc = {}
try:
affiliation_doc['affiliation_id'] = int(affiliation_block.attrib['affiliation-id'])
affiliation_doc['type'] = affiliation_block.find('./ip-doc').attrib['type']
affiliation_doc['parent_id'] = int(affiliation_block.attrib['parent'])
except KeyError:
pass
for field in affiliation_block.findall('./ip-doc/*'):
if field.tag == 'afnameid':
affiliation_doc['afnameid'] = affiliation_block.find('./ip-doc/afnameid').text
elif field.tag == 'afdispname':
affiliation_doc['afdispname'] = affiliation_block.find('./ip-doc/afdispname').text
elif field.tag == 'preferred-name':
affiliation_doc['preferred_name'] = affiliation_block.find('./ip-doc/preferred-name').text
elif field.tag == 'parent-preferred-name':
affiliation_doc['parent_preferred_name'] = affiliation_block.find('./ip-doc/parent-preferred-name').text
elif field.tag == 'sort-name':
affiliation_doc['sort_name'] = affiliation_block.find('./ip-doc/sort-name').text
elif field.tag == 'org-domain':
affiliation_doc['org_domain'] = affiliation_block.find('./ip-doc/org-domain').text
elif field.tag == 'org-URL':
affiliation_doc['org_url'] = affiliation_block.find('./ip-doc/org-URL').text
elif field.tag == 'address':
address_doc = {}
if not affiliation_block.find('./ip-doc/address/address-part') is None:
address_doc['address_part'] = affiliation_block.find('./ip-doc/address/address-part').text
if not affiliation_block.find('./ip-doc/address/city') is None:
address_doc['city'] = affiliation_block.find('./ip-doc/address/city').text
if not affiliation_block.find('./ip-doc/address/state') is None:
address_doc['state'] = affiliation_block.find('./ip-doc/address/state').text
if not affiliation_block.find('./ip-doc/address/postal-code') is None:
address_doc['postal_code'] = affiliation_block.find('./ip-doc/address/postal-code').text
if not affiliation_block.find('./ip-doc/address/country') is None:
address_doc['country'] = affiliation_block.find('./ip-doc/address/country').text
affiliation_doc['address'] = address_doc
affiliation_list.append(affiliation_doc)
def add_journals_to_list(journal_list, journal_history_block):
for journal_block in journal_history_block.findall('./journal'):
add_journal_document_to_list(journal_list, journal_block)
def add_journal_document_to_list(journal_list, journal_block):
journal_doc = {}
try:
journal_doc['type'] = journal_block.attrib['type']
except KeyError:
pass
for field in journal_block.findall('./*'):
if field.tag == 'sourcetitle':
journal_doc['sourcetitle'] = journal_block.find('./sourcetitle').text
elif field.tag == 'sourcetitle-abbrev':
journal_doc['sourcetitle_abbrev'] = journal_block.find('./sourcetitle-abbrev').text
elif field.tag == 'issn':
journal_doc['issn'] = journal_block.find('./issn').text
journal_list.append(journal_doc)
def add_name_document_to_list(names_list, name_block):
name = {}
if not name_block.find('./initials') is None:
name['initials'] = name_block.find('./initials').text
if not name_block.find('./indexed-name') is None:
name['indexed-name'] = name_block.find('./indexed-name').text
if not name_block.find('./surname') is None:
name['surname'] = name_block.find('./surname').text
if not name_block.find('./given-name') is None:
name['given-name'] = name_block.find('./given-name').text
names_list.append(name)
def parse_author_profile_xml(root):
doc = {}
name_variants = []
journal_history = []
affiliation_current = []
affiliation_history = []
for child in root.findall('./*/*'):
if child.tag == '{http://purl.org/dc/elements/1.1/}identifier':
doc['author_id'] = int(child.text[10:])
elif child.tag == 'document-count':
doc['document_count'] = int(child.text)
elif child.tag == 'cited-by-count':
doc['cited_by_count'] = int(child.text)
elif child.tag == 'citation-count':
doc['citation_count'] = int(child.text)
elif child.tag == 'publication-range':
try:
doc['publication_start'] = int(child.attrib['start'])
except KeyError:
pass
try:
doc['publication_end'] = int(child.attrib['end'])
except KeyError:
pass
elif child.tag == 'classificationgroup':
classification_doc = {}
for field in child.findall('./classifications/classification'):
classification_doc[field.text] = int(field.attrib['frequency'])
doc['classifications'] = classification_doc
elif child.tag == 'affiliation-current':
add_affiliations_to_list(affiliation_current, child)
elif child.tag == 'affiliation-history':
add_affiliations_to_list(affiliation_history, child)
elif child.tag == 'journal-history':
add_journals_to_list(journal_history, child)
elif child.tag == 'preferred-name' or child.tag == 'name-variant':
add_name_document_to_list(name_variants, child)
doc['affiliation_current'] = affiliation_current
doc['affiliation_history'] = affiliation_history
doc['journal_history'] = journal_history
doc['names'] = name_variants;
return doc