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# Author: OMKAR PATHAK

# In this small mini project we will be creating a simple address book application that will store, search and

# delete records

import pickle, os

class AddressBook(object):

def __init__(self, name = None, address = None, email = None, phone = None):

self.name = name

self.address = address

self.email = email

self.phone = phone

self.contacts = {}

self.filename = 'addressbook'

def __str__(self):

return '[Name: {0} | Address: {1} | Email: {2} | Phone: {3}]'.format(self.name, self.address, self.email, self.phone)

def __repr__(self):

return '[Name: {0} | Address: {1} | Email: {2} | Phone: {3}]'.format(self.name, self.address, self.email, self.phone)

# Adding details provided by the user in our Address Book

def addContacts(self):

try:

if os.path.exists(self.filename) and os.path.getsize(self.filename) > 0:

myAddressBook = open(self.filename, 'rb')

data = pickle.load(myAddressBook)

myAddressBook.close()

else:

myAddressBook = open(self.filename, 'wb')

data = {}

contact = self.getDetailsFromUser()

data[contact['Name']] = contact

myAddressBook = open(self.filename, 'wb')

pickle.dump(data, myAddressBook)

myAddressBook.close()

print('Contact Added Successfully!')

except:

print('There was an error! Contact was not added.')

finally:

myAddressBook.close()

# Getting the details from the user to adding the Address Book

def getDetailsFromUser(self):

try:

self.contacts['Name'] = str(input('Enter Contact\'s Full Name: '))

self.contacts['Address'] = str(input('Enter Contact\'s Address: '))

self.contacts['Email'] = str(input('Enter Contact\'s Email Address: '))

self.contacts['Phone'] = int(input('Enter Contact\'s Phone Number: '))

return self.contacts

except KeyboardInterrupt as error:

raise error

# To display ALL the contact in our Address Book

def displayContacts(self):

if os.path.exists(self.filename) and os.path.getsize(self.filename) > 0:

myAddressBook = open(self.filename, 'rb')

data = pickle.load(myAddressBook)

myAddressBook.close()

if data:

for records in data.values():

print(records)

myAddressBook.close()

else:

print('No Record in database.')

# To search for a specific contact in our Address Book

def searchContacts(self):

if os.path.exists(self.filename) and os.path.getsize(self.filename) > 0:

myAddressBook = open(self.filename, 'rb')

data = pickle.load(myAddressBook)

myAddressBook.close()

try:

contactToSearch = input('Enter the name of the contact to search: ')

counter = 0

for contact in data.values():

if contactToSearch in contact['Name']:

print(data[contact['Name']])

counter += 1

if counter == 0:

print('No record found whose name is:', contactToSearch)

except:

print('Error occured!')

else:

print('No Record in database.')

# For modifying contacts

def modifyContacts(self):

if os.path.exists(self.filename) and os.path.getsize(self.filename) > 0:

myAddressBook = open(self.filename, 'rb')

data = pickle.load(myAddressBook)

myAddressBook.close()

try:

contactToModify = input('Enter the name of the contact to modify (Only enter full name): ')

# Search for the record to update

for contact in data.values():

if contactToModify == contact['Name']:

contact = data[contactToModify]

break

option = int(input('1. To modify name, 2. To modify address, 3. To modify email, 4. To modify phone: '))

if option == 1:

contact['Name'] = input('Enter Name to modify: ')

del data[contactToModify]

data[contact['Name']] = contact

print('Successful')

elif option == 2:

contact['Address'] = input('Enter Address to modify: ')

del data[contactToModify]

data[contactToModify] = contact

print('Successful')

elif option == 3:

contact['Email'] = input('Enter Email to modify: ')

del data[contactToModify]

data[contactToModify] = contact

print('Successful')

elif option == 4:

contact['Phone'] = input('Enter Phone to modify: ')

del data[contactToModify]

data[contactToModify] = contact

print('Successful')

else:

print('Incorrect option selected.')

except:

print('Error occured. No such record found. Try Again!')

finally:

myAddressBook = open(self.filename, 'wb')

pickle.dump(data, myAddressBook)

myAddressBook.close()

else:

print('No Record in database.')

if __name__ == '__main__':

myBook = AddressBook()

print('Enter 1. To Add Contacts 2. For Searching a Contact 3. For Modifying a Contact 4. To Display Contacts 5. To Exit')

while True:

choice = int(input('Enter your choice: '))

if choice == 1:

myBook.addContacts()

elif choice == 2:

myBook.searchContacts()

elif choice == 3:

myBook.modifyContacts()

elif choice == 4:

myBook.displayContacts()

elif choice == 5:

exit()

else:

print('Invalid Option. Try Again!')