Python-DatabaseApp/database.py at master · pratah/Python-DatabaseApp · GitHub

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# Clearing the screen
importos
os.system('clear')


# Importing sqlite3 module
importsqlite3


defadd_one(first_name,last_name,email):
# Establishing a connection and create DB
conn=sqlite3.connect('customer.db')

# Creating a cursor
c=conn.cursor()

c.execute("INSERT INTO customers VALUES (?,?,?)", (first_name,last_name,email) )

# Commiting changes made
conn.commit()

# Closing our connection
conn.close()


defcreate_table():
# Establishing a connection and create DB
conn=sqlite3.connect('customer.db')

# Creating a cursor
c=conn.cursor()

# Create a table
c.execute(""" CREATE TABLE customers (
 first_name text,
 last_name text,
 email text
 )""")

# Commiting changes made
conn.commit()

# Closing our connection
conn.close()


definsert_records():
# Establishing a connection and create DB
conn=sqlite3.connect('customer.db')

# Creating a cursor
c=conn.cursor()

# Inserting multiple rows
customers= [
 ('Jason', 'Bourne', 'jason@email.com'),
 ('James', 'Bond', 'james@email'),
 ('Red', 'Sparrow', 'red@email'),
 ('Nathan', 'Muir', 'nathan@email.com')
 ]

c.executemany("INSERT INTO customers VALUES (?,?,?)", customers)

# Commiting changes made
conn.commit()

# Closing our connection
conn.close()


defadd_many(list):
# Establishing a connection and create DB
conn=sqlite3.connect('customer.db')

# Creating a cursor
c=conn.cursor()

c.executemany("INSERT INTO customers VALUES (?,?,?)", list)

# Commiting changes made
conn.commit()

# Closing our connection
conn.close()


# This functin will query the database and return all records
defshow_records():
# Establishing a connection and create DB
conn=sqlite3.connect('customer.db')

# Creating a cursor
c=conn.cursor()

# Querying
c.execute("SELECT rowid, * FROM customers")

items=c.fetchall()

foriteminitems:
print(item)

# Commiting changes made
conn.commit()

# Closing our connection
conn.close()


defdel_record(id):
# Establishing a connection and create DB
conn=sqlite3.connect('customer.db')

# Creating a cursor
c=conn.cursor()

# Querying
c.execute("DELETE FROM customers WHERE rowid = (?)", id)

# Commiting changes made
conn.commit()

# Closing our connection
conn.close()