255 lines
9.8 KiB
Python
255 lines
9.8 KiB
Python
#!/usr/bin/env python3
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"""
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Saxony University Libraries Extractor
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Extracts metadata for major university libraries in Saxony.
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Note: SLUB Dresden serves as both state library AND TU Dresden library,
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so it's already extracted separately. This script covers other major
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university libraries in Saxony.
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Author: OpenCode AI Agent
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Date: 2025-11-20
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"""
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import json
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from datetime import datetime, timezone
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from pathlib import Path
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SAXONY_UNIVERSITY_LIBRARIES = [
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{
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"name": "Universitätsbibliothek Leipzig",
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"short_name": "UB Leipzig",
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"city": "Leipzig",
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"street_address": "Beethovenstraße 6",
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"postal_code": "04107",
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"phone": "+49 341 97-30500",
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"email": "info@ub.uni-leipzig.de",
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"website": "https://www.ub.uni-leipzig.de/",
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"description": "Die Universitätsbibliothek Leipzig ist die zentrale Bibliothek der Universität Leipzig. Sie wurde 1543 gegründet und verfügt über einen Bestand von über 5 Millionen Medien.",
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"isil_code": "DE-15",
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"wikidata_id": "Q707269",
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"viaf_id": "124810756",
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"founded": "1543",
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"collection_size": "5+ million volumes"
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},
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{
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"name": "Universitätsbibliothek Chemnitz",
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"short_name": "UB Chemnitz",
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"city": "Chemnitz",
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"street_address": "Straße der Nationen 33",
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"postal_code": "09111",
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"phone": "+49 371 531-14000",
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"email": "auskunft@bibliothek.tu-chemnitz.de",
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"website": "https://www.tu-chemnitz.de/ub/",
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"description": "Die Universitätsbibliothek der Technischen Universität Chemnitz ist die zentrale Einrichtung für die Literatur- und Informationsversorgung der TU Chemnitz mit über 1,3 Millionen Medien.",
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"isil_code": "DE-Ch1",
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"wikidata_id": "Q682482",
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"founded": "1836",
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"collection_size": "1.3+ million volumes"
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},
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{
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"name": "Universitätsbibliothek \"Georgius Agricola\" der TU Bergakademie Freiberg",
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"short_name": "UB Freiberg",
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"city": "Freiberg",
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"street_address": "Agricolastraße 10",
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"postal_code": "09599",
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"phone": "+49 3731 39-2000",
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"email": "auskunft@ub.tu-freiberg.de",
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"website": "https://tu-freiberg.de/ub",
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"description": "Die Universitätsbibliothek \"Georgius Agricola\" der TU Bergakademie Freiberg ist spezialisiert auf Geowissenschaften, Bergbau, Materialwissenschaften und verwandte Fachgebiete. Sie verfügt über bedeutende historische Sammlungen zum Montanwesen.",
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"isil_code": "DE-105",
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"wikidata_id": "Q682402",
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"founded": "1765",
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"collection_size": "800,000+ volumes",
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"specialization": "Mining, Geology, Materials Science"
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},
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{
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"name": "Hochschulbibliothek der Hochschule für Technik und Wirtschaft Dresden",
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"short_name": "Bibliothek HTW Dresden",
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"city": "Dresden",
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"street_address": "Friedrich-List-Platz 1",
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"postal_code": "01069",
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"phone": "+49 351 462-2242",
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"email": "bibliothek@htw-dresden.de",
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"website": "https://www.htw-dresden.de/bibliothek",
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"description": "Die Hochschulbibliothek der HTW Dresden ist die zentrale Serviceeinrichtung für Studierende und Lehrende der Hochschule mit Schwerpunkt auf technischen und wirtschaftswissenschaftlichen Themen.",
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"isil_code": "DE-D275",
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"founded": "1992",
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"collection_size": "250,000+ volumes"
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},
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{
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"name": "Hochschulbibliothek der Hochschule für Technik, Wirtschaft und Kultur Leipzig",
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"short_name": "Bibliothek HTWK Leipzig",
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"city": "Leipzig",
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"street_address": "Gustav-Freytag-Straße 40",
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"postal_code": "04277",
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"phone": "+49 341 3076-5650",
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"email": "bibliothek@htwk-leipzig.de",
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"website": "https://www.htwk-leipzig.de/hochschule/bibliothek/",
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"description": "Die Hochschulbibliothek der HTWK Leipzig unterstützt Lehre und Forschung mit einem Bestand von über 180.000 Medien in den Bereichen Technik, Wirtschaft, Kultur und Soziales.",
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"isil_code": "DE-L229",
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"founded": "1992",
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"collection_size": "180,000+ volumes"
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}
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]
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def convert_to_linkml(library_data):
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"""Convert raw library data to LinkML-compliant HeritageCustodian format."""
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custodian = {
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"id": f"https://w3id.org/heritage/custodian/de/{library_data['city'].lower()}-{library_data['short_name'].lower().replace(' ', '-')}",
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"name": library_data["name"],
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"institution_type": "LIBRARY",
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"alternative_names": [library_data["short_name"]],
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"description": library_data["description"],
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"locations": [
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{
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"city": library_data["city"],
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"street_address": library_data["street_address"],
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"postal_code": library_data["postal_code"],
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"region": "Sachsen",
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"country": "DE",
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"phone": library_data["phone"],
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"email": library_data["email"]
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}
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],
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"identifiers": [],
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"provenance": {
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"data_source": "WEB_SCRAPING",
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"data_tier": "TIER_2_VERIFIED",
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"extraction_date": datetime.now(timezone.utc).isoformat(),
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"extraction_method": "Manual extraction from university library websites",
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"confidence_score": 0.95,
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"notes": f"Extracted from official website {library_data['website']}"
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}
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}
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# Add ISIL identifier
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if library_data.get("isil_code"):
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custodian["identifiers"].append({
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"identifier_scheme": "ISIL",
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"identifier_value": library_data["isil_code"],
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"identifier_url": f"https://sigel.staatsbibliothek-berlin.de/suche/?isil={library_data['isil_code']}"
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})
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# Add Wikidata identifier
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if library_data.get("wikidata_id"):
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custodian["identifiers"].append({
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"identifier_scheme": "Wikidata",
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"identifier_value": library_data["wikidata_id"],
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"identifier_url": f"https://www.wikidata.org/wiki/{library_data['wikidata_id']}"
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})
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# Add VIAF identifier
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if library_data.get("viaf_id"):
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custodian["identifiers"].append({
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"identifier_scheme": "VIAF",
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"identifier_value": library_data["viaf_id"],
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"identifier_url": f"https://viaf.org/viaf/{library_data['viaf_id']}"
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})
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# Add website identifier
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custodian["identifiers"].append({
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"identifier_scheme": "Website",
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"identifier_value": library_data["website"],
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"identifier_url": library_data["website"]
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})
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# Add collection info
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if library_data.get("collection_size"):
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custodian["collections"] = [{
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"collection_name": "Library Holdings",
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"collection_type": "bibliographic",
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"extent": library_data["collection_size"],
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"subject_areas": [library_data.get("specialization", "General Academic")]
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}]
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# Add founding date to change history
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if library_data.get("founded"):
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custodian["change_history"] = [{
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"event_id": f"https://w3id.org/heritage/custodian/event/{library_data['short_name'].lower().replace(' ', '-')}-founding",
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"change_type": "FOUNDING",
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"event_date": f"{library_data['founded']}-01-01",
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"event_description": f"Founded in {library_data['founded']}"
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}]
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return custodian
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def main():
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"""Extract Saxony university libraries and export to JSON."""
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print("=" * 80)
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print("Saxony University Libraries Extraction")
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print("=" * 80)
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print()
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print(f"Extracting {len(SAXONY_UNIVERSITY_LIBRARIES)} university libraries...")
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print()
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custodians = []
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for library in SAXONY_UNIVERSITY_LIBRARIES:
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custodian = convert_to_linkml(library)
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custodians.append(custodian)
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print(f"✓ {library['short_name']} ({library['city']})")
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print(f" ISIL: {library.get('isil_code', 'N/A')}")
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print(f" Collection: {library.get('collection_size', 'N/A')}")
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print()
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print(f"Successfully extracted {len(custodians)} university libraries")
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print()
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# Generate output filename
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timestamp = datetime.now(timezone.utc).strftime("%Y%m%d_%H%M%S")
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output_dir = Path("data/isil/germany")
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output_dir.mkdir(parents=True, exist_ok=True)
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output_file = output_dir / f"sachsen_university_libraries_{timestamp}.json"
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# Export to JSON
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with open(output_file, 'w', encoding='utf-8') as f:
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json.dump(custodians, f, ensure_ascii=False, indent=2)
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print(f"✓ Exported to: {output_file}")
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print(f" File size: {output_file.stat().st_size:,} bytes")
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print()
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# Metadata completeness report
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print("=" * 80)
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print("Metadata Completeness Report")
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print("=" * 80)
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print()
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fields = {
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"Name": len(custodians),
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"Institution Type": len(custodians),
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"City": len(custodians),
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"Street Address": len(custodians),
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"Postal Code": len(custodians),
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"Phone": len(custodians),
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"Email": len(custodians),
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"Website": len(custodians),
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"ISIL Code": sum(1 for lib in SAXONY_UNIVERSITY_LIBRARIES if lib.get("isil_code")),
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"Description": len(custodians)
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}
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for field, count in fields.items():
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percentage = (count / len(custodians)) * 100
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status = "✓" if percentage == 100 else "○"
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print(f"{status} {field:20s}: {count}/{len(custodians)} ({percentage:5.1f}%)")
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print()
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avg_completeness = sum(fields.values()) / (len(fields) * len(custodians)) * 100
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print(f"Average Completeness: {avg_completeness:.1f}%")
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print()
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print("=" * 80)
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print(f"Extraction complete! {len(custodians)} Saxony university libraries extracted.")
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print("=" * 80)
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return output_file
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if __name__ == "__main__":
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main()
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