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Copy path12THLIB PROG.py
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324 lines (295 loc) · 10 KB
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Copy path12THLIB PROG.py
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324 lines (295 loc) · 10 KB
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f=open("libmanage.dat","ab")
l=[]
f.close()
import pickle as pic
import os
def viewrecord(n):
f=open("libmanage.dat","rb")
found=-1
while True:
try:
r=pic.load(f)
if r[0]==n:
found=1
print("%15s"%'ISBN No.','%12s'%'Book Name','%8s'%'Price','%10s'%'Author','%12s'%'Publisher','%13s'%'Status')
print("================================================================================")
print('%10s'%r[0],'%15s'%r[1],'%10s'%r[2],'%11s'%r[3],'%12s'%r[4],'%16s'%r[5])
#print("%15s"%'ISBN No.','%12s'%'Book Name','%8s'%'Price','%13s'%'Status')
#print("===================================================================")
#print('%10s'%r[0],'%15s'%r[1],'%10s'%r[2],'%18s'%r[3])
'''print("isbn no: ",r[0])
print("book: ",r[1])
print("price: ",r[2])
print("status: ",r[3])'''
except(EOFError):
if found==-1:
print("record not found")
break
f.close()
def viewrecords():
f=open('libmanage.dat','rb')
print('%10s'%'ISBN','%11s'%'Book','%13s'%'Price','%11s'%'Author','%12s'%'Publisher','%9s'%'Status')
print('================================================================================')
while True:
try:
l=pic.load(f)
except EOFError:
break
for i in range(len(l)):
print('%11s'%l[i],end=' ')
print()
f.close()
def addrecord():
f=open("libmanage.dat","rb+")
isbn=input("enter isbn no.: ")
found=-1
while True:
try:
r=pic.load(f)
if r[0]==isbn:
found=1
except(EOFError):
break
if found==1:
print("record already exists")
f.close()
return
book=input("enter book name: ")
price=int(input("enter price: "))
author=input("enter author's name: ")
publisher=input("enter publisher: ")
stat="available"
r=[isbn,book,price,author,publisher,stat]
pic.dump(r,f)
l.append(r)
f.close()
print("record added")
def modifyrecord(n):
f1=open("libmanage.dat","rb")
f2=open("temporary.dat","ab")
found=0
while True:
try:
r=pic.load(f1)
#pic.dump(r,f2)
isbn=r[0]
book=r[1]
price=r[2]
author=r[3]
publisher=r[4]
stat=r[5]
if isbn==n:
found=1
print("book: ",book)
b=input("modify book name?(y/n): ")
if b.lower()=="y":
new=input("enter new book name: ")
book=new
print("author :",author)
newa=input("enter new author's name: ")
author=newa
newu=input("enter new publisher: ")
publisher=newu
elif b.lower()=="n":
pass
print("price: ",price)
p=input("modify price?(y/n): ")
if p.lower()=="y":
newp=int(input("enter new price: "))
price=newp
elif p.lower()=="n":
pass
m=[isbn,book,price,author,publisher,stat]
pic.dump(m,f2)
#print(m)
l.append(m)
print("record modified")
except:
break
pic.dump(r,f2)
f1.close()
f2.close()
if found==0:
print("record not found")
os.remove("temporary.dat")
if found==1:
os.remove("libmanage.dat")
os.rename("temporary.dat","libmanage.dat")
def deleterecord(n):
f1=open("libmanage.dat","rb")
f2=open("temporary.dat","ab")
found=0
deleted=0
while True:
try:
d=0
r=pic.load(f1)
isbn=r[0]
book=r[1]
price=r[2]
author=r[3]
publisher=r[4]
stat=r[5]
if isbn==n:
found=1
verify=input("do you want to delete?(y/n): ")
if verify.lower()=="y":
print("record deleted")
d=1
deleted=1
else:
print('record not deleted')
elif d==0:
r=[isbn,book,price,author,publisher,stat]
pic.dump(r,f2)
l.append(r)
except:
break
f1.close()
f2.close()
if found==0:
print('record not found')
os.remove("temporary.dat")
elif deleted==1:
os.remove("libmanage.dat")
os.rename("temporary.dat","libmanage.dat")
else:
os.remove("temporary.dat")
def issue(n):
f1=open("libmanage.dat","rb")
f2=open("temporary.dat","ab")
found=0
while True:
try:
r=pic.load(f1)
isbn=r[0]
book=r[1]
price=r[2]
author=r[3]
publisher=r[4]
stat=r[5]
if isbn==n:
found=1
if stat=="out of stock" or stat=="issued":
print("sorry book not available!(ISSUED/OUT OF STOCK)")
else:
print("book name: ",book)
print("price: ",price)
print("author name: ",author)
print("publisher: ",publisher)
print("availability: ",stat)
v=input("do you want to proceed?(y/n): ")
if v.lower()=="y":
stat="issued"
print("availability: ",stat)
print("book issued")
r=[isbn,book,price,author,publisher,stat]
pic.dump(r,f2)
l.append(r)
except:
break
f1.close()
f2.close()
if found==0:
print("Record not found")
os.remove("temporary.dat")
elif found==1:
os.remove("libmanage.dat")
os.rename("temporary.dat","libmanage.dat")
def returnb(n):
f1=open("libmanage.dat","rb")
f2=open("temporary.dat","ab")
found=0
while True:
try:
r=pic.load(f1)
isbn=r[0]
book=r[1]
price=r[2]
author=r[3]
publisher=r[4]
stat=r[5]
if isbn==n:
found=1
if stat=="issued":
print("book name: ",book)
print("price: ",price)
print("author name: ",author)
print("publisher: ",publisher)
print("availability: ",stat)
v=input("do you want to proceed?(y/n): ")
expire=input("is the book date expired?(y/n):")
total=price
if expire.upper()=="Y":
day=int(input("by how many days is the book returned late? "))
fine=2*day
total+=fine
# print("final total: ",total)
if v.lower()=="y":
stat="available"
#print("availability: ",stat)
#print("book returned")
print(" RECEIPT ")
print("Final Total:", total)
print("Availability:", stat)
print("*******************************")
print("book returned")
elif stat=="available":
print("book already available")
else:
print('book is out of stock')
r=[isbn,book,price,author,publisher,stat]
pic.dump(r,f2)
l.append(r)
except:
break
f1.close()
f2.close()
if found==0:
print("record not found")
os.remove("temporary.dat")
elif found==1:
os.remove("libmanage.dat")
os.rename("temporary.dat","libmanage.dat")
ch=0
while ch!=9:
print(" ")
print(" LIBRARY MANAGEMENT ")
print(" ARCHIE'S LIBRARY ")
print(" ")
print(" MAINTENANCE ")
print("1. view book details by ISBN")
print("2. view all books")
print("3. add book details ")
print("4. edit book details")
print("5. remove book")
print(" LIBRARY ")
print("6. Issue book")
print("7. return book")
print("**********************************************************************")
print("8. Exit")
ch=int(input("Enter choice (1/2/3/4/5/6/7/8): "))
if ch==1:
n=input("enter isbn value: ")
viewrecord(n)
elif ch==2:
viewrecords()
elif ch==3:
addrecord()
elif ch==4:
n=input("enter isbn value: ")
modifyrecord(n)
elif ch==5:
n=input("enter isbn value: ")
deleterecord(n)
elif ch==6:
n=input("enter isbn value: ")
issue(n)
elif ch==7:
n=input("enter isbn value: ")
returnb(n)
elif ch==8:
print("thanks for using library management system")
break
else:
print("please input valid choice from 1-8")