database based on shelve file : shelve « Database « Python Tutorial

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Python Tutorial » Database » shelve 
15. 5. 6. database based on shelve file
import sys, shelve

def store_person(db):
    pid = raw_input('Enter unique ID number: ')
    person = {}
    person['name']  = raw_input('Enter name: ')
    person['age']  = raw_input('Enter age: ')
    person['phone'] = raw_input('Enter phone number: ')

    db[pid= person

def lookup_person(db):
    pid = raw_input('Enter ID number: ')
    field = raw_input('What would you like to know? (name, age, phone)  ')
    field = field.strip().lower()
    print field.capitalize() ':', db[pid][field]

def enter_command():
    cmd = raw_input('Enter command (for help)')
    cmd = cmd.strip().lower()
    return cmd

database = shelve.open('c:\\database.dat')
store_person(database)
lookup_person(database)
database.close()
15. 5. shelve
15. 5. 1. object returned by shelve.open is not an ordinary mapping
15. 5. 2. Storing Objects in a Shelve File
15. 5. 3. Changing Objects in a Shelve File
15. 5. 4. Writing to shelve file.
15. 5. 5. Reading a shelve file.
15. 5. 6. database based on shelve file
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