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ModsTransformer.py
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import re
from datetime import datetime
import edtf_validate.valid_edtf
import xmltodict
class ModsTransformer:
def __init__(self):
self.summary = {}
self.relator_map = {
'': 'relators:att',
'Abridger': 'relators:abr',
'Actor': 'relators:act',
'Adapter': 'relators:adp',
'Addressee': 'relators:rcp',
'Analyst': 'relators:anl',
'Animator': 'relators:anm',
'Annotator': 'relators:ann',
'Appellant': 'relators:apl',
'Appellee': 'relators:ape',
'Applicant': 'relators:app',
'Architect': 'relators:arc',
'Arranger': 'relators:arr',
'Art copyist': 'relators:acp',
'Art director': 'relators:adi',
'Artist': 'relators:art',
'Artistic director': 'relators:ard',
'Assignee': 'relators:asg',
'Associated name': 'relators:asn',
'Auctioneer': 'relators:auc',
'Author': 'relators:aut',
'Author in quotations or text abstracts': 'relators:aqt',
'Author of afterword, colophon, etc.': 'relators:aft',
'Author of dialog': 'relators:aud',
'Author of introduction, etc.': 'relators:aui',
'Autographer': 'relators:ato',
'Bibliographic antecedent': 'relators:ant',
'Binder': 'relators:bnd',
'Binding designer': 'relators:bdd',
'Blurb writer': 'relators:blw',
'Book designer': 'relators:bkd',
'Book producer': 'relators:bkp',
'Bookjacket designer': 'relators:bjd',
'Bookplate designer': 'relators:bpd',
'Bookseller': 'relators:bsl',
'Braille embosser': 'relators:brl',
'Broadcaster': 'relators:brd',
'Calligrapher': 'relators:cll',
'Cartographer': 'relators:ctg',
'Caster': 'relators:cas',
'Censor': 'relators:cns',
'Choreographer': 'relators:chr',
'Collaborator (deprecated, use Contributor)': 'relators:clb',
'Cinematographer': 'relators:cng',
'Client': 'relators:cli',
'Collection registrar': 'relators:cor',
'Collector': 'relators:col',
'Collotyper': 'relators:clt',
'Colorist': 'relators:clr',
'Commentator': 'relators:cmm',
'Commentator for written text': 'relators:cwt',
'Compiler': 'relators:com',
'Complainant': 'relators:cpl',
'Complainant-appellant': 'relators:cpt',
'Complainant-appellee': 'relators:cpe',
'Composer': 'relators:cmp',
'Compositor': 'relators:cmt',
'Conceptor': 'relators:ccp',
'Conductor': 'relators:cnd',
'Conservator': 'relators:con',
'Consultant': 'relators:csl',
'Consultant to a project': 'relators:csp',
'Contestant': 'relators:cos',
'Contestant-appellant': 'relators:cot',
'Contestant-appellee': 'relators:coe',
'Contestee': 'relators:cts',
'Contestee-appellant': 'relators:ctt',
'Contestee-appellee': 'relators:cte',
'Contractor': 'relators:ctr',
'Contributor': 'relators:ctb',
'Copyright claimant': 'relators:cpc',
'Copyright holder': 'relators:cph',
'Corrector': 'relators:crr',
'Correspondent': 'relators:crp',
'Costume designer': 'relators:cst',
'Court governed': 'relators:cou',
'Court reporter': 'relators:crt',
'Cover designer': 'relators:cov',
'Creator': 'relators:cre',
'Curator': 'relators:cur',
'Dancer': 'relators:dnc',
'Data contributor': 'relators:dtc',
'Data manager': 'relators:dtm',
'Dedicatee': 'relators:dte',
'Dedicator': 'relators:dto',
'Defendant': 'relators:dfd',
'Defendant-appellant': 'relators:dft',
'Defendant-appellee': 'relators:dfe',
'Degree granting institution': 'relators:dgg',
'Degree supervisor': 'relators:dgs',
'Delineator': 'relators:dln',
'Depicted': 'relators:dpc',
'Depositor': 'relators:dpt',
'Designer': 'relators:dsr',
'Director': 'relators:drt',
'Dissertant': 'relators:dis',
'Distribution place': 'relators:dbp',
'Distributor': 'relators:dst',
'Donor': 'relators:dnr',
'Draftsman': 'relators:drm',
'Dubious author': 'relators:dub',
'Editor': 'relators:edt',
'Editor of compilation': 'relators:edc',
'Editor of moving image work': 'relators:edm',
'Electrician': 'relators:elg',
'Electrotyper': 'relators:elt',
'Enacting jurisdiction': 'relators:enj',
'Engineer': 'relators:eng',
'Engraver': 'relators:egr',
'Etcher': 'relators:etr',
'Event place': 'relators:evp',
'Expert': 'relators:exp',
'Facsimilist': 'relators:fac',
'Field director': 'relators:fld',
'Film director': 'relators:fmd',
'Film distributor': 'relators:fds',
'Film editor': 'relators:flm',
'Film producer': 'relators:fmp',
'Filmmaker': 'relators:fmk',
'First party': 'relators:fpy',
'Forger': 'relators:frg',
'Former owner': 'relators:fmo',
'Funder': 'relators:fnd',
'Geographic information specialist': 'relators:gis',
'Graphic technician (deprecated, use Artist)': 'relators:grt',
'Honoree': 'relators:hnr',
'Host': 'relators:hst',
'Host institution': 'relators:his',
'Illuminator': 'relators:ilu',
'Illustrator': 'relators:ill',
'Inscriber': 'relators:ins',
'Instrumentalist': 'relators:itr',
'Interviewee': 'relators:ive',
'Interviewer': 'relators:ivr',
'Inventor': 'relators:inv',
'Issuing body': 'relators:isb',
'Issuer': 'relators:isb',
'Judge': 'relators:jud',
'Jurisdiction governed': 'relators:jug',
'Laboratory': 'relators:lbr',
'Laboratory director': 'relators:ldr',
'Landscape architect': 'relators:lsa',
'Lead': 'relators:led',
'Lender': 'relators:len',
'Libelant': 'relators:lil',
'Libelant-appellant': 'relators:lit',
'Libelant-appellee': 'relators:lie',
'Libelee': 'relators:lel',
'Libelee-appellant': 'relators:let',
'Libelee-appellee': 'relators:lee',
'Librettist': 'relators:lbt',
'Licensee': 'relators:lse',
'Licensor': 'relators:lso',
'Lighting designer': 'relators:lgd',
'Lithographer': 'relators:ltg',
'Lyricist': 'relators:lyr',
'Manufacture place': 'relators:mfp',
'Manufacturer': 'relators:mfr',
'Marbler': 'relators:mrb',
'Markup editor': 'relators:mrk',
'Medium': 'relators:med',
'Metadata contact': 'relators:mdc',
'Metal-engraver': 'relators:mte',
'Minute taker': 'relators:mtk',
'Moderator': 'relators:mod',
'Monitor': 'relators:mon',
'Music copyist': 'relators:mcp',
'Musical director': 'relators:msd',
'Musician': 'relators:mus',
'Narrator': 'relators:nrt',
'Onscreen presenter': 'relators:osp',
'Opponent': 'relators:opn',
'Organizer': 'relators:orm',
'Originator': 'relators:org',
'Other': 'relators:oth',
'Owner': 'relators:own',
'Panelist': 'relators:pan',
'Papermaker': 'relators:ppm',
'Patent applicant': 'relators:pta',
'Patent holder': 'relators:pth',
'Patron': 'relators:pat',
'Performer': 'relators:prf',
'Permitting agency': 'relators:pma',
'Photographer': 'relators:pht',
'Plaintiff': 'relators:ptf',
'Plaintiff-appellant': 'relators:ptt',
'Plaintiff-appellee': 'relators:pte',
'Platemaker': 'relators:plt',
'Praeses': 'relators:pra',
'Presenter': 'relators:pre',
'Printer': 'relators:prt',
'Printer of plates': 'relators:pop',
'Printmaker': 'relators:prm',
'Process contact': 'relators:prc',
'Producer': 'relators:pro',
'Production company': 'relators:prn',
'Production designer': 'relators:prs',
'Production manager': 'relators:pmn',
'Production personnel': 'relators:prd',
'Production place': 'relators:prp',
'Programmer': 'relators:prg',
'Project director': 'relators:pdr',
'Proofreader': 'relators:pfr',
'Provider': 'relators:prv',
'Publishing director': 'relators:pbd',
'Puppeteer': 'relators:ppt',
'Radio director': 'relators:rdd',
'Radio producer': 'relators:rpc',
'Recording engineer': 'relators:rce',
'Recordist': 'relators:rcd',
'Redaktor': 'relators:red',
'Renderer': 'relators:ren',
'Reporter': 'relators:rpt',
'Repository': 'relators:rps',
'Research team head': 'relators:rth',
'Research team member': 'relators:rtm',
'Researcher': 'relators:res',
'Respondent': 'relators:rsp',
'Respondent-appellant': 'relators:rst',
'Respondent-appellee': 'relators:rse',
'Responsible party': 'relators:rpy',
'Restager': 'relators:rsg',
'Restorationist': 'relators:rsr',
'Reviewer': 'relators:rev',
'Rubricator': 'relators:rbr',
'Scenarist': 'relators:sce',
'Scientific advisor': 'relators:sad',
'Screenwriter': 'relators:aus',
'Scribe': 'relators:scr',
'Sculptor': 'relators:scl',
'Second party': 'relators:spy',
'Secretary': 'relators:sec',
'Seller': 'relators:sll',
'Set designer': 'relators:std',
'Setting': 'relators:stg',
'Signer': 'relators:sgn',
'Singer': 'relators:sng',
'Sound designer': 'relators:sds',
'Speaker': 'relators:spk',
'Sponsor': 'relators:spn',
'Stage director': 'relators:sgd',
'Stage manager': 'relators:stm',
'Standards body': 'relators:stn',
'Stereotyper': 'relators:str',
'Storyteller': 'relators:stl',
'Supporting host': 'relators:sht',
'Surveyor': 'relators:srv',
'Teacher': 'relators:tch',
'Technical director': 'relators:tcd',
'Television director': 'relators:tld',
'Television producer': 'relators:tlp',
'Thesis advisor': 'relators:ths',
'Transcriber': 'relators:trc',
'Translator': 'relators:trl',
'Type designer': 'relators:tyd',
'Typographer': 'relators:tyg',
'University place': 'relators:uvp',
'Videographer': 'relators:vdg',
'Vocalist (deprecated, use Singer)': 'relators:voc',
'Voice actor': 'relators:vac',
'Witness': 'relators:wit',
'Wood engraver': 'relators:wde',
'Woodcutter': 'relators:wdc',
'Writer of accompanying material': 'relators:wam',
'Writer of added commentary': 'relators:wac',
'Writer of added lyrics': 'relators:wal',
'Writer of added text': 'relators:wat',
'Writer of introduction': 'relators:win',
'Writer of preface': 'relators:wpr',
'Writer of supplementary textual content': 'relators:wst'
}
self.fields = self.get_fields()
self.to_harvest = [
'subject', 'titleInfo', 'originInfo', 'titleInfo', 'physicalDescription',
'typeOfResource', 'name', 'relatedItem'] + list(self.fields.keys())
def get_fields(self):
return {
'note': 'field_abstract',
'abstract': 'field_abstract',
'dateIssued': 'field_edtf_date_issued',
'publisher': 'field_publisher',
'title': 'title',
'genre': 'field_genre',
'typeOfResource': 'field_resource_type',
'accessCondition': 'field_access_condition',
'dateOther': 'field_edtf_date_other',
'dateCreated': 'field_edtf_date_created',
'place': 'field_location',
'copyrightDate': 'field_edtf_copyright_date',
'issuance': 'field_issuance',
'edition': 'field_edition',
'identifier': 'field_identifier',
'sub_title': 'field_subtitle'
}
def fix_dates(self, key):
months = {
"January": "01", "February": "02", "March": "03", "April": "04",
"May": "05", "June": "06", "July": "07", "August": "08",
"September": "09", "October": "10", "November": "11", "December": "12"
}
mistakes = {
'8 Feb 1990': '1990-02-08',
'Sept 1993': '1993-09',
'Winter 2005': '2005-24',
'November. 2008': '2008-11',
'Between 1949 and 1965': '1949-1965',
'Between 1953 and 1966': '1953-1966',
'[before 1970]': '-1970'
}
date = self.summary[key].strip()
if date is None:
return
if date in mistakes:
date = mistakes[date]
date = date.replace(';', '').replace(',', '')
# Test for January 1973
match = re.search(r'(\w+)\s+(\d{4})', date)
if match:
month_str, year = match.groups()
month_map = {
"January": "01", "February": "02", "March": "03",
"April": "04", "May": "05", "June": "06",
"July": "07", "August": "08", "September": "09",
"October": "10", "November": "11", "December": "12"
}
month = month_map.get(month_str, "??") # Handle unknown months gracefully
self.summary[key] = f"{year}-{month}"
return
# Test for Jan 1999
match = re.match(r"([A-Za-z]+),?\s*(\d{4})", date)
if match:
month_name, year = match.groups()
month_number = months.get(month_name) # Convert month name to number
if month_number:
return f"{year}-{month_number}"
# Test for November-December, 2010
match = re.match(r"([A-Za-z]+)-([A-Za-z]+),?\s*(\d{4})", date)
if match:
month1, month2, year = match.groups()
month1_num = months.get(month1)
month2_num = months.get(month2)
if month1_num and month2_num:
return f"{year}-{month1_num}/{year}-{month2_num}"
# Test for 1982-83
pattern = r"\b(18|19|20)\d{2}-(\d{2})\b"
if re.match(pattern, date):
years = date.split('-')
century = years[0][:2]
if years[0] == '1999':
century = '20'
self.summary[key] = f"{years[0]}/{century}{years[1]}"
return
# Test for February 27, 2010
pattern = r"^(January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2},\s?\d{4}$"
if re.match(pattern, date):
try:
if date == 'February 29, 1990':
date = 'February 28, 1990'
date = re.sub(r",(\S+)", r", \1", date)
date_object = datetime.strptime(date, "%B %d, %Y")
self.summary[key] = date_object.strftime("%Y-%m-%d")
return
except ValueError as e:
print(f"Error parsing date: '{date}'. Ensure it follows 'Month day, Year' format. ({e})")
return
pattern = r"\d{4}-\d{4}"
if re.match(pattern, date):
self.summary[key] = date.replace('-', '/')
return
if 'ca.' in date:
self.summary[key] = f"{date.split()[-1]}~"
return
if edtf_validate.valid_edtf.is_valid(date):
self.summary[key] = date
return
print(f"{date} could not be made EDTF compliant")
def parse_name(self, input):
role = name = ''
outputs = []
vocab = 'corporate_body'
type_map = {
'corporate': 'corporate_body',
'personal': 'person'
}
for key, value in input.items():
if key == '@type':
vocab = type_map[value]
continue
if key == 'namePart':
name = value
if key == 'role' and not isinstance(value, str):
if isinstance(value, list) and isinstance(value[0], dict):
value = value[0]
else:
value = {}
roleTerm = value.get('roleTerm', {})
if isinstance(roleTerm, str):
role = roleTerm.capitalize()
else:
role = value.get('roleTerm', {}).get('#text', '').capitalize()
if role not in self.relator_map:
role = 'Editor'
return f"{self.relator_map[role]}:{vocab}:{name}"
def extract_from_mods(self, mods):
self.summary = {}
result = xmltodict.parse(mods)
mods = result['mods']
string_keys = [key for key, value in mods.items() if isinstance(value, str) and not key.startswith("@")]
all_keys = [key for key, value in mods.items() if not key.startswith("@")]
ignored = [item for item in all_keys if item not in self.to_harvest]
# print(f"ignored- {ignored}")
# Process simple string values.
for key in string_keys:
self.summary[self.fields[key]] = ' '.join(mods[key].splitlines())
del (mods[key])
# Origin info
if isinstance(mods.get('originInfo'), dict):
mods['originInfo'] = [mods['originInfo']]
for originInfo in mods.get('originInfo', []):
for key, value in originInfo.items():
self.summary[self.fields[key]] = value
# Subject info
for key, value in mods.get('subject', {}).items():
if key == 'geographic':
self.summary['field_geographic_subject'] = value
if key == 'topic':
self.summary['field_subject'] = value
if key == 'hierarchicalGeographic':
location = {k: v for k, v in value.items() if v is not None}
self.summary['field_geographic_subject'] = ','.join(location.values())
# Related item
if isinstance(mods.get('relatedItem'), dict):
mods['relatedItem'] = [mods['relatedItem']]
related_items = []
for item in mods.get('relatedItem', {}):
related_items.append(item.get('titleInfo', {}).get('title', ''))
self.summary['field_related_item'] = '|'.join(related_items)
# Title info
if isinstance(mods['titleInfo'], dict):
mods['titleInfo'] = [mods['titleInfo']]
for title in mods['titleInfo']:
if 'title' not in self.summary and title.get('title') is not None:
self.summary['title'] = title.get('title')
if 'field_subtitle' not in self.summary and title.get('field_subtitle'):
self.summary['field_subtitle'] = title.get('subtitle', '')
if title.get('@type', '') == 'alternative':
if title.get('title') is not None:
self.summary['field_alternative_title'] = title.get('title')
# Location.
if isinstance(mods.get('location'), dict):
mods['location'] = [mods['location']]
locations = []
for location in mods.get('location', {}):
locations.append((location or {}).get('location', {}).get('physicalLocation', ''))
self.summary['field_location'] = '|'.join(locations)
self.summary['field_physical_description'] = (
mods.get('physicalDescription', {})
.get('form', {})
.get('#text', '')
)
self.summary['field_extent'] = mods.get('physicalDescription', {}).get('extent', '')
self.summary['field_resource_type'] = (mods.get('typeOfResource') or {}).get('#text', '')
if isinstance(mods.get('name'), dict):
mods['name'] = [mods['name']]
names = []
for name in mods.get('name', []):
names.append(self.parse_name(name))
self.summary['field_linked_agent'] = '|'.join(names)
for key in self.summary:
if 'edtf' in key:
self.fix_dates(key)
return self.summary