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database's Introduction

database

Python Database using shelve to store data.

  • init( name )
  • load ( name )
  • save
  • uuid
  • show
  • add ( key, object )
  • remove ( key )
  • keys
  • count
  • check ( key )
  • append ( key, object )
  • update ( key, object )
  • reform ( key, keys, object)
  • listAll ( key )
  • listKeys ( key )
  • listValues (key)

sample code

newClient = client.Client('0001', 'bob', 'smith')
db.add(newClient.idNumber, newClient.__dict__)
print(db.show())
print(db.show()[newClient.idNumber])
print(db.show()[newClient.idNumber]['firstName'])
print(db.listAll('0001'))
print(db.listKeys('0001'))
print(db.listValues('0001'))
print(db.listAll('0001')['firstName'])

output

db.show() -> <shelve.DbfilenameShelf object at 0x7f2e5b72e2e8>
db.show()[newClient.idNumber] -> {'idNumber': '0001', 'firstName': 'bob', 'lastName': 'smith'}
db.show()[newClient.idNumber]['firstName'] -> bob
db.listAll('0001') -> {'idNumber': '0001', 'firstName': 'bob', 'lastName': 'smith'}
db.listKeys('0001') -> ['idNumber', 'firstName', 'lastName']
db.listValues('0001') -> ['0001', 'bob', 'smith']
db.listAll('0001')['firstName'] -> bob

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