old_contents: import re
  import requests
  from bs4 import BeautifulSoup
  
  class library:
  	def __init__(self):
  		self.session = requests.Session()
  
  		return
  
  	def login(self, userid, password):
  		postData = {
  			'extpatid': username,
  			'extpatpw': password
  		}
  
  		res = self.session.post('https://library.aston.ac.uk/patroninfo', postData)
  
  		return
  
  	def search(self, query=None, title=None, author=None):
  		results = []
  
  		if not (query or title or author):
  			raise ValueError
  		elif query:
  			res = self.session.get('https://library.aston.ac.uk/search~S9/?searchtype=X&searcharg=' + query)
  		elif title:
  			res = self.session.get('https://library.aston.ac.uk/search~S9/?searchtype=t&searcharg=' + title)
  		elif author:
  			res = self.session.get('https://library.aston.ac.uk/search~S9/?searchtype=t&searcharg=' + author)
  
  		soup = BeautifulSoup(res.text, 'html.parser')
  		for result_row in soup.find_all(class_='briefCitRow'):
  			result = {
  				'isbn': re.search('bookjacket\?recid=(.*)&amp;', str(result_row)).group(1),
  				'title': result_row.find(class_='briefcitTitle').find('a').text,
  				'author': re.search('<\/a><\/span>\n<br\/>\n(.*)<br/>', str(result_row)).group(1),
  				'type': re.search('src="/screens/media_(.*).gif"', str(result_row)).group(1)
  			}
  
  			results.append(result)
  
  		return results
  
  	def get_item(self, id):
  		res = self.session.get('http://library.aston.ac.uk/record=' + id)
  		print(res.text)
  		return
  
  class _library:
  	def list_items(session):
  		return
  
  	def list_reservations(session):
  		return
  
  	def renew(session, id):
  		return
  
  	def renew_all(session):
  		return
  
new_contents: import re
  import requests
  from bs4 import BeautifulSoup
  
  class library:
  	def __init__(self):
  		self.session = requests.Session()
  
  		return
  
  	def login(self, userid, password):
  		postData = {
  			'extpatid': username,
  			'extpatpw': password
  		}
  
  		res = self.session.post('https://library.aston.ac.uk/patroninfo', postData)
  
  		return
  
  	def search(self, query=None, title=None, author=None):
  		results = []
  
  		if not (query or title or author):
  			raise ValueError
  		elif query:
  			res = self.session.get('https://library.aston.ac.uk/search~S9/?searchtype=X&searcharg=' + query)
  		elif title:
  			res = self.session.get('https://library.aston.ac.uk/search~S9/?searchtype=t&searcharg=' + title)
  		elif author:
  			res = self.session.get('https://library.aston.ac.uk/search~S9/?searchtype=t&searcharg=' + author)
  
  		soup = BeautifulSoup(res.text, 'html.parser')
  		for result_row in soup.find_all(class_='briefCitRow'):
  			result = {
  				'isbn': re.search('bookjacket\?recid=(.*)&amp;', str(result_row)).group(1),
  				'title': result_row.find(class_='briefcitTitle').find('a').text,
  				'author': re.search('<\/a><\/span>\n<br\/>\n(.*)<br/>', str(result_row)).group(1),
  				'type': re.search('src="/screens/media_(.*).gif"', str(result_row)).group(1)
  			}
  
  			results.append(result)
  
  		return results
  
  	def get_item(self, id):
  		res = self.session.get('http://library.aston.ac.uk/record=' + id)
  
  		print(res.text)
  
  		soup = BeautifulSoup(res.text, 'html.parser')
  
  		result = {
  			'author': re.search('<td valign="top" width="20%"  class="bibInfoLabel">Author<\/td>\n<td class="bibInfoData">\n<a href=".*\/browse">(.*)<\/a>', res.text).group(1),
  			'call_number': '',
  			'copies': [
  				{
  					'location': '',
  					'type': '',
  					'available': '',
  					'due': ''
  				}
  			],
  			'copies_available': 0,
  			'copies_total': 0,
  			'date_of_publication': '',
  			'ean': '',
  			'publisher': '',
  			'title': re.search('<td valign="top" width="20%"  class="bibInfoLabel">Title<\/td>\n<td class="bibInfoData">\n<strong>(.*)<\/strong>', res.text).group(1),
  			'type': ''
  		}
  
  		print(result)
  		return result
  
  class _library:
  	def list_items(session):
  		raise NotImplementedError
  		return []
  
  	def list_reservations(session):
  		raise NotImplementedError
  		return []
  
  	def renew(session, id):
  		raise NotImplementedError
  		return false
  
  	def renew_all(session):
  		raise NotImplementedError
  		return false
  
subject: Implement more of get_item