Merge pull request tarunsinghofficial#1823 from Ghack9/main

Library Management Program Using Python

Python-programming-3/backend.py

@@ -0,0 +1,48 @@
+import sqlite3
+
+def connect():
+    conn=sqlite3.connect("books.db")
+    cur=conn.cursor()
+    cur.execute("CREATE TABLE IF NOT EXISTS book (id INTEGER PRIMARY KEY, title text, author text, year integer, isbn integer)")
+    conn.commit()
+    conn.close()
+
+def insert(title,author,year,isbn):
+    conn=sqlite3.connect("books.db")
+    cur=conn.cursor()
+    cur.execute("INSERT INTO book VALUES (NULL,?,?,?,?)",(title,author,year,isbn))
+    conn.commit()
+    conn.close()
+    view()
+
+def view():
+    conn=sqlite3.connect("books.db")
+    cur=conn.cursor()
+    cur.execute("SELECT * FROM book")
+    rows=cur.fetchall()
+    conn.close()
+    return rows
+
+def search(title="",author="",year="",isbn=""):
+    conn=sqlite3.connect("books.db")
+    cur=conn.cursor()
+    cur.execute("SELECT * FROM book WHERE title=? OR author=? OR year=? OR isbn=?", (title,author,year,isbn))
+    rows=cur.fetchall()
+    conn.close()
+    return rows
+
+def delete(id):
+    conn=sqlite3.connect("books.db")
+    cur=conn.cursor()
+    cur.execute("DELETE FROM book WHERE id=?",(id,))
+    conn.commit()
+    conn.close()
+
+def update(id,title,author,year,isbn):
+    conn=sqlite3.connect("books.db")
+    cur=conn.cursor()
+    cur.execute("UPDATE book SET title=?, author=?, year=?, isbn=? WHERE id=?",(title,author,year,isbn,id))
+    conn.commit()
+    conn.close()
+
+connect()

Python-programming-3/frontend.py

@@ -0,0 +1,102 @@
+from tkinter import *
+import backend
+
+def get_selected_row(event):
+    global selected_tuple
+    index=list1.curselection()[0]
+    selected_tuple=list1.get(index)
+    e1.delete(0,END)
+    e1.insert(END,selected_tuple[1])
+    e2.delete(0,END)
+    e2.insert(END,selected_tuple[2])
+    e3.delete(0,END)
+    e3.insert(END,selected_tuple[3])
+    e4.delete(0,END)
+    e4.insert(END,selected_tuple[4])
+
+def view_command():
+    list1.delete(0,END)
+    for row in backend.view():
+        list1.insert(END,row)
+
+def search_command():
+    list1.delete(0,END)
+    for row in backend.search(title_text.get(),author_text.get(),year_text.get(),isbn_text.get()):
+        list1.insert(END,row)
+
+def add_command():
+    backend.insert(title_text.get(),author_text.get(),year_text.get(),isbn_text.get())
+    list1.delete(0,END)
+    list1.insert(END,(title_text.get(),author_text.get(),year_text.get(),isbn_text.get()))
+
+def delete_command():
+    backend.delete(selected_tuple[0])
+
+def update_command():
+    backend.update(selected_tuple[0],title_text.get(),author_text.get(),year_text.get(),isbn_text.get())
+
+window=Tk()
+
+window.wm_title("BookStore")
+
+l1=Label(window,text="Title")
+l1.grid(row=0,column=0)
+
+l2=Label(window,text="Author")
+l2.grid(row=0,column=2)
+
+l3=Label(window,text="Year")
+l3.grid(row=1,column=0)
+
+l4=Label(window,text="ISBN")
+l4.grid(row=1,column=2)
+
+title_text=StringVar()
+e1=Entry(window,textvariable=title_text)
+e1.grid(row=0,column=1)
+
+author_text=StringVar()
+e2=Entry(window,textvariable=author_text)
+e2.grid(row=0,column=3)
+
+year_text=StringVar()
+e3=Entry(window,textvariable=year_text)
+e3.grid(row=1,column=1)
+
+isbn_text=StringVar()
+e4=Entry(window,textvariable=isbn_text)
+e4.grid(row=1,column=3)
+
+list1=Listbox(window, height=6,width=35)
+list1.grid(row=2,column=0,rowspan=6,columnspan=2)
+
+sb1=Scrollbar(window)
+sb1.grid(row=2,column=2,rowspan=6)
+
+list1.configure(yscrollcommand=sb1.set)
+sb1.configure(command=list1.yview)
+
+list1.bind('<<ListboxSelect>>',get_selected_row)
+
+b1=Button(window,text="View all", width=12,command=view_command)
+b1.grid(row=2,column=3)
+
+b2=Button(window,text="Search entry", width=12,command=search_command)
+b2.grid(row=3,column=3)
+
+b3=Button(window,text="Add entry", width=12,command=add_command)
+b3.grid(row=4,column=3)
+
+b4=Button(window,text="Update selected", width=12,command=update_command)
+b4.grid(row=5,column=3)
+
+b5=Button(window,text="Delete selected", width=12,command=delete_command)
+b5.grid(row=6,column=3)
+
+b6=Button(window,text="Close", width=12,command=window.destroy)
+b6.grid(row=7,column=3)
+
+f1=Label(window,text="Created By : Gaurav Kumar")
+f1.grid(row=8,column=1,columnspan=4)
+
+window.mainloop()