def lib_log():
log=raw_input("\nMemeber ID:\n")
password=getpass.getpass()
f=open("/Python27/libr/librarians.txt")
g=0
while True:
a=f.readline()
if(len(a)==0):
break
mem=eval(a)
if (mem[0]==log and mem[1]==password):
g=1
break
if g==0:
print("\nInvalid user ID or Password\n")
sup_a=raw_input("\n1.Retry\nany other key to go back")
if sup_a=='1':
os.system('cls')
welcome.func()
lib_log()
else:
os.system('cls')
main()
else:
librarian.main1()
def main(x):
os.system('cls')
welcome.func()
print("\nSearch based on the following attributes:-\n")
inp = input(
"\n1.Author name and Book Title[Recommended]\n\n2.Author name\n\n3.BookTitle\n\n4.Book Category\n\n5.Back\n\n6.Exit"
)
if inp == '1':
main1(x)
elif inp == '2':
main2(x)
elif inp == '3':
main3(x)
elif inp == '4':
main4(x)
elif inp == '5':
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
elif inp == '6':
sys.exit()
else:
print "\nTry again\n"
main(x)
def main(x):
os.system('cls')
welcome.func()
print("\nSearch based on the following attributes:-\n")
inp=raw_input("\n1.Author name and Book Title[Recommended]\n\n2.Author name\n\n3.BookTitle\n\n4.Book Category\n\n5.Back\n\n6.Exit")
if inp=='1':
main1(x)
elif inp=='2':
main2(x)
elif inp=='3':
main3(x)
elif inp=='4':
main4(x)
elif inp=='5':
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
elif inp=='6':
sys.exit()
else:
print "\nWrong choice\n"
main(x)
def main1(x):
os.system('cls')
welcome.func()
aut=raw_input("\nType the author name with alteast 3 characters\n")
if len(aut)<3:
print("\nToo less Characters for an efficient searching...\nTry again")
main1(x)
tit=raw_input("\nType the book title with alteast 3 characters\n")
if len(tit)<3:
print("Too less Characters for an efficient searching...Try again")
main1(x)
f=open("/Python27/libr/books.txt")
flag=0
while True:
os.system('cls')
welcome.func()
w=f.readline()
if(len(w)==0):
break
b=eval(w)
if(b[3].find(aut)!=-1 and b[1].find(tit)!=-1 and b[8]=='#'):
print "\nBook Available in the library\n" "\nBook Serial no ="+b[0]+"\nBook Title ="+b[1]+"\nCategory ="+b[2]+"\nBook Author ="+b[3]+"\nBook Edition ="+str(b[5])+"\nBook Publisher ="+str(b[7])
inp1=raw_input("\nIs this the book which you where looking for?\nPress 1 for yes else any other key to continue searching\n")
if inp1=='1':
flag=1
break
elif(b[3].find(aut)!=-1 and b[1].find(tit)!=-1 and b[8]!='#'):
print "\nBook is present in the library but has been allocated to some one else\n"
inp1=raw_input("\nTo stop searching press 1\n else any other key to continue searching\n")
if inp1=='1':
flag=1
break
else:
main(x)
f.close()
if(flag==0):
q=raw_input("\n\nSorry\nThere are no books available based on your query\nPress 1 to Try Again \nAny other key to go back\n")
if(q=='1'):
main1(x)
else:
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
elif(flag==1):
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
def main4(x):
os.system('cls')
welcome.func()
cat = input("\nType the category(minimum 5 characters)\n")
if len(cat) < 5:
print("Too few characters for an efficient search...Try again")
main4(x)
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/books.txt")
flag = 0
while True:
os.system('cls')
welcome.func()
w = f.readline()
if (len(w) == 0):
break
b = eval(w)
if (b[2].find(cat) != -1 and b[8] == '#'):
print "\n\nBook Available\n" "\nBook Serial no =" + b[
0] + "\nBook Title =" + b[1] + "\nCategory =" + b[
2] + "\nBook Author =" + b[3] + "\nBook Edition =" + str(
b[5]) + "\nBook Publisher =" + str(b[7])
inp1 = input(
"\n\nIs this the book which you where looking for?\nPress 1 for yes \nAny other key to continue searching\n"
)
if inp1 == '1':
flag = 1
break
f.close()
if (flag == 0):
q = input(
"\nSorry\nThere are no books available based on your query\nPress 1 to Try Again or any other key to go back\n"
)
if (q == '1'):
main4(x)
else:
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
elif (flag == 1):
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
def main(x):
os.system('cls')
welcome.func()
flag=0
f=open("/Python27/libr/stud_db1.txt")
g=open("/Python27/libr/students_list_with_fine.txt","w")
g.write("USN FINE\n")
l=[]
while True:
w=f.readline()
if(len(w)==0):
break
d=eval(w)
for k in d:
for i in [0,1,2]:
if d[k][i][0]!='#':
d[k][3]+=1000
d[k][i][0]='#'
d[k][i][1]='@'
if d[k][3]>0:
flag=1
g.write(k+" "+"Rs."+str(d[k][3]))
print("\n"+k+" "+"Rs."+str(d[k][3]))
d[k][3]=0
l.append(d)
f.close()
if flag==0:
print("None of the students have any fine\n")
else:
print("\nOpen the file 'students_list_with_fine.txt' to get a hard copy of students who have fine")
f=open("/Python27/libr/stud_db1.txt","w")
f.write(str(l[0]))
for i in l[1:]:
f.write("\n"+str(i))
g.close()
q=raw_input("1 to go back or any other key to exit")
if(q=='1'):
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
def main4(x):
os.system('cls')
welcome.func()
cat=raw_input("\nType the category(minimum 5 characters)\n")
if len(cat)<5:
print("Too less Characters for an efficient searching...Try again")
main4(x)
f=open("/Python27/libr/books.txt")
flag=0
while True:
os.system('cls')
welcome.func()
w=f.readline()
if(len(w)==0):
break
b=eval(w)
if(b[2].find(cat)!=-1 and b[8]=='#'):
print "\n\nBook Available\n" "\nBook Serial no ="+b[0]+"\nBook Title ="+b[1]+"\nCategory ="+b[2]+"\nBook Author ="+b[3]+"\nBook Edition ="+str(b[5])+"\nBook Publisher ="+str(b[7])
inp1=raw_input("\n\nIs this the book which you where looking for?\nPress 1 for yes \nAny other key to continue searching\n")
if inp1=='1':
flag=1
break
f.close()
if(flag==0):
q=raw_input("\nSorry\nThere are no books available based on your query\nPress 1 to Try Again or any other key to go back\n")
if(q=='1'):
main4(x)
else:
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
elif(flag==1):
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
def main(x):
lis = []
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/books.txt",
"r")
while True:
l = f.readline()
if (len(l) == 0):
break
m = eval(l)
lis.append(m)
id = m[0]
f.close()
q = list(id)
s1 = q[5]
s1 = int(s1)
s2 = q[4]
s2 = int(s2)
s3 = q[3]
s3 = int(s3)
s = s1 + (10 * s2) + (100 * s3)
s = s + 1
if (s <= 9):
q[5] = str(s)
elif (s <= 99):
a = s % 10
q[5] = a
s = s / 10
q[4] = s
else:
q[5] = s % 10
s = s / 10
q[4] = s % 10
s = s / 10
q[3] = s
s1 = ''.join(str(n) for n in q)
print s1
n = 0
while (n == 0):
try:
b_n = input("\nenter book name\n")
b_c = input("\nenter category\n")
b_a = input("\nenter author\n")
b_p = input("\nenter price\n")
b_e = input("\nenter edition\n")
b_y = input("\nenter year\n")
b_pu = input("\nenter publisher\n")
n = 1
except SyntaxError:
print "wrong Input"
n = 0
except:
print "wrong Input"
n = 0
l = [s1, b_n, b_c, b_a, b_p, b_e, b_y, b_pu, '#']
lis.append(l)
f.close()
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/books.txt",
"w")
f.write(str(lis[0]))
for i in lis[1:]:
f.write("\n" + str(i))
print("\nBook added Succesfully\n")
f.close()
a = raw_input("\nTo Add Another book Enter 1\npress any key to go back\n")
if a == '1':
main(x)
else:
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
def main(x):
os.system('cls')
welcome.func()
f=open("/Python27/libr/stud_db1.txt")
g=open("/Python27/libr/list_fin1.txt","w")
g.write("STUDENT USN BOOKS TO BE RETURNED\n")
newlist=[]
flag=0
while True:
pending=''
lis=[]
w=f.readline()
if len(w)==0:
break
dic=eval(w)
for k in dic:
for i in [0,1,2]:
if dic[k][i][0]!='#':
lis.append(dic[k][i][0])
if str(lis)!='':
pending=str(lis)
if pending!='':
g.write(k+" "+pending+"\n")
f.close()
g.close()
da1 =raw_input('Enter the final fine evaluation date(dd/mm/yyyy):')
try:
date2 = time.strptime(da1, '%d/%m/%Y') #convert string into date
except ValueError:
print('Invalid date!\nEnter again')
main()
d=da1.split('/') #for extracting date,year and month from the date1
d1=''
for i in d:
d1=d1+i
#print d1
s2 =datetime.datetime.strptime(d1,'%d%m%Y').date()
s1=datetime.date.today()
if s2<s1:
print("\nYou have typed a date which is already over...Type a valid date\n")
main(x)
os.system('cls')
f=open("/Python27/libr/list_fin1.txt")
print("\nThe following students are here by informed to return the books mentioned along with their USN on or before "+da1+"\n\nStudents who fail to return any books before mentioend date will have to pay the fine of Rs1000 in order to get the hall ticket\n")
while True:
w=f.readline()
if (len(w)==0):
break
print ("\n"+w)
f.close()
print("\nOpen the file 'list_fin1.txt' to get a hard copy of students who are supposed to return books\n")
print("\n\nInstruction for the librarians:\nPlease calculate the fine after date: "+da1+" so that students can get time to return their due books")
q=raw_input("1 to go back or any other key to exit")
if(q=='1'):
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
def main1(x):
os.system('cls')
welcome.func()
aut = input("\nType the author name with at least 3 characters\n")
if len(aut) < 3:
print("\nToo few characters for an efficient search...\nTry again")
main1(x)
titl = input("\nType the book title with at least 3 characters\n")
if len(titl) < 3:
print("Too few characters for an efficient search...Try again")
main1(x)
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/books.txt")
flag = 0
while True:
os.system('cls')
welcome.func()
w = f.readline()
if (len(w) == 0):
break
b = eval(w)
if (b[3].find(aut) != -1 and b[1].find(titl) != -1 and b[8] == '#'):
print "\nBook available in the library\n" "\nBook Serial no =" + b[
0] + "\nBook Title =" + b[1] + "\nCategory =" + b[
2] + "\nBook Author =" + b[3] + "\nBook Edition =" + str(
b[5]) + "\nBook Publisher =" + str(b[7])
inp1 = input(
"\nIs this the book which you where looking for?\nPress 1 for yes or any other key to continue searching\n"
)
if inp1 == '1':
flag = 1
break
elif (b[3].find(aut) != -1 and b[1].find(titl) != -1 and b[8] != '#'):
print "\nBook is present in the library but has been allocated to some one else\n"
inp1 = input(
"\nTo stop searching press 1\n otherwise press any other key to continue searching\n"
)
if inp1 == '1':
flag = 1
break
else:
main(x)
f.close()
if (flag == 0):
q = input(
"\n\nSorry\nThere are no books available based on your query\nPress 1 to Try Again \nAny other key to go back\n"
)
if (q == '1'):
main1(x)
else:
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
elif (flag == 1):
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
def main(bid, d1, x):
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/books.txt")
flag = 0
newlines = []
while True:
w = f.readline()
if (len(w) == 0):
break
b = eval(w)
if (b[0] == bid and b[8] != '#'):
book_cost = b[4]
flag = 1
break
newlines.append(b)
usn = b[8]
b[8] = '#'
newlines.append(b)
while True:
q = f.readline()
if len(q) == 0:
break
q1 = eval(q)
newlines.append(q1)
f.close()
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/books.txt",
"w")
f.write(str(newlines[0]))
for k in newlines[1:]:
f.write("\n" + str(k))
f.close()
newlines = []
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/member_db1.txt"
)
while True:
w = f.readline()
if (len(w) == 0):
break
dic = eval(w)
if dic.has_key(usn):
for i in dic[usn]:
if i[0] == bid:
d1 = datetime.date.today() # date of return
# date of issue
i[1] = str(i[1])
d2 = i[1].split('-')
d3 = ''
for h in d2:
d3 = d3 + h
d4 = datetime.datetime.strptime(d3, '%Y%m%d').date()
d5 = d1 - d4
if d5 == datetime.timedelta(0):
days = 0
else:
days = int(str(d5).split()[0])
if (days > 15):
print("\nMember has a fine of " + str(days - 15))
dic[usn][3] += (days - 15)
i[0] = '#'
i[1] = '@'
flag = 1
break
break
newlines.append(dic)
newlines.append(dic)
while True:
w = f.readline()
if (len(w) == 0):
break
dic = eval(w)
newlines.append(dic)
f.close()
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/member_db1.txt",
"w")
f.write(str(newlines[0]))
for k in newlines[1:]:
f.write("\n" + str(k))
f.close()
print "\nThe book has been returned\n"
vv = input("1 to go back or any other key to exit")
if (vv == '1'):
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
def main(x):
os.system('cls')
welcome.func()
sid = input("Enter the book ID to be reissued")
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/books.txt")
flag = 0
l = []
usn = '0'
while True:
w = f.readline()
if (len(w) == 0):
break
b = eval(w)
if (b[0] == sid and b[8] != '#'):
flag = 1
usn = b[8]
if flag == 0:
f.close()
print("This book has never been issued or wrong book ID")
inp = input(
"\nPress 1 to type the book ID again\nAny other key to go back")
if (inp == '1'):
main(x)
else:
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
f.close()
print("\nThe book has beeen reissued\n")
g = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/member_db1.txt"
)
while True:
w = g.readline()
if (len(w) == 0):
break
dic = eval(w)
if dic.has_key(usn):
for i in dic[usn]:
if (isinstance(i, int) == False):
if i[0] == sid:
d1 = datetime.date.today() # date of return
i[1] = str(i[1]) # date of issue
d2 = i[1].split('-')
d3 = ''
for h in d2:
d3 = d3 + h
d4 = datetime.datetime.strptime(d3, '%Y%m%d').date()
d5 = d1 - d4
#print d5
if d5 == datetime.timedelta(0):
days = 0
else:
days = int(str(d5).split()[0])
if (days > 15):
print("\nStudent has a fine of " + str(days - 15))
dic[usn][3] += (days - 15)
i[1] = str(d1)
l.append(str(dic))
g.close()
h = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/member_db1.txt",
"w")
h.write(l[0])
for i in l[1:]:
h.write("\n" + i)
h.close()
q = input("\n1 to go back or any other key to exit")
if (q == '1'):
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
def main(x):
os.system('cls')
welcome.func()
f=open("/Python27/libr/stud_db1.txt")
flag=0
line_count=-1
newlines=[] #to store the lines until specified usn is found
usn=raw_input("\nEnter the USN\n")
while True:
line=f.readline() # read a line from student database
if len(line)==0:
break
line_count+=1
dic=eval(line) #convert it into dictionary
newlines.append(dic)
if dic.has_key(usn): # check if the read usn exists
flag=1
break
if flag==0:
print"\nInvalid USN\n"
inp=raw_input("\nPress 1 to type again or anything else to go back\n")
if inp=='1':
os.system('cls')
main(x)
else:
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
space=-1
count=0
for i in dic[usn]:
check=isinstance( i, int )
if check==True:
i=str(i)
space+=1 #i is status of 3 slots of books to each usn
if i[0]=='#':
break
else:
count+=1
#print space
if count==4:
v=raw_input("\n\nYou have already issued 3 books\n\nPress 1 to go back\n\nelse anything else to exit\n")
if v=='1':
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
else:
flag_1=0
line_count2=-1
newlines2=[]
sid=raw_input("\nType the book ID\n")
g=open("/Python27/libr/books.txt")
while True:
w=g.readline()
if(len(w)==0):
break
line_count2+=1
b=eval(w)
if(b[0]==sid and b[8]=='#'):
flag_1=1
print "\n\nBook Allocated\n" "\nBook Serial no ="+b[0]+"\nBook Title ="+b[1]+"\nCategory ="+b[2]+"\nBook Author ="+b[3]+"\nBook Edition ="+str(b[5])+"\nBook Publisher ="+str(b[7])
d2 = datetime.date.today()+ datetime.timedelta(days=15)
print("\nReturn Date : "+str(d2))
break
newlines2.append(b)
if flag_1==0:
inpu_2=raw_input("No book available with this book ID in the library\nPress1.to go back\nelse any other key to exit")
if inpu_2=='1':
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
if flag_1==1:
b[8]=usn
newlines2.append(b)
while True:
q=g.readline()
if len(q)==0:
break
q1=eval(q)
newlines2.append(q1)
g.close()
usn_line=newlines[line_count]
#print line_count
#for z in range(0,line_count): #for testing
# print newlines[z] #for testing
#print usn_line #get the line to be changed
x=usn_line[usn] #get the key value of that line
x[space][0]=sid
d1=datetime.date.today()
x[space][1]=str(d1)
while True:
q=f.readline()
if len(q)==0:
break
q1=eval(q)
newlines.append(q1)
f.close()
g=open('/Python27/libr/books.txt',"w")
g.write(str(newlines2[0]))
for i in newlines2[1:]:
g.write("\n"+str(i))
g.close()
f=open('/Python27/libr/stud_db1.txt',"w")
f.write(str(newlines[0]))
for i in newlines[1:]:
f.write("\n"+str(i))
f.close()
inpu_2=raw_input("\nPress1.to go back\nelse any other key to exit")
if inpu_2=='1':
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
def main(x):
os.system('cls')
welcome.func()
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/member_db1.txt"
)
flag = 0
line_count = -1
newlines = [] #to store the lines until specified usn is found
usn = input("\nEnter the USN\n")
while True:
line = f.readline() # read a line from student database
if len(line) == 0:
break
line_count += 1
dic = eval(line) #convert it into dictionary
newlines.append(dic)
if dic.has_key(usn): # check if the read usn exists
flag = 1
break
if flag == 0:
print "\nInvalid USN\n"
inp = input("\nPress 1 to type again or anything else to go back\n")
if inp == '1':
os.system('cls')
main(x)
else:
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
space = -1
count = 0
for i in dic[usn]:
check = isinstance(i, int)
if check == True:
i = str(i)
space += 1 #i is status of 3 slots of books to each usn
if i[0] == '#':
break
else:
count += 1
#print space
if count == 4:
v = input(
"\n\nYou have already issued 3 books\n\nPress 1 to go back\n\n press anything else to exit\n"
)
if v == '1':
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
else:
flag_1 = 0
line_count2 = -1
newlines2 = []
sid = input("\nType the book ID\n")
g = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/books.txt"
)
while True:
w = g.readline()
if (len(w) == 0):
break
line_count2 += 1
b = eval(w)
if (b[0] == sid and b[8] == '#'):
flag_1 = 1
print "\n\nBook Allocated\n" "\nBook Serial no =" + b[
0] + "\nBook Title =" + b[1] + "\nCategory =" + b[
2] + "\nBook Author =" + b[
3] + "\nBook Edition =" + str(
b[5]) + "\nBook Publisher =" + str(b[7])
d2 = datetime.date.today() + datetime.timedelta(days=15)
print("\nReturn Date : " + str(d2))
break
newlines2.append(b)
if flag_1 == 0:
inpu_2 = input(
"No book available with this book ID in the library\nPress1.to go back\npress any other key to exit"
)
if inpu_2 == '1':
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
if flag_1 == 1:
b[8] = usn
newlines2.append(b)
while True:
q = g.readline()
if len(q) == 0:
break
q1 = eval(q)
newlines2.append(q1)
g.close()
usn_line = newlines[line_count]
#print line_count
#for z in range(0,line_count): #for testing
# print newlines[z] #for testing
#print usn_line #get the line to be changed
x = usn_line[usn] #get the key value of that line
x[space][0] = sid
d1 = datetime.date.today()
x[space][1] = str(d1)
while True:
q = f.readline()
if len(q) == 0:
break
q1 = eval(q)
newlines.append(q1)
f.close()
g = open(
'C:/Users/Administrator/Documents/Python Scripts/Library/books.txt',
"w")
g.write(str(newlines2[0]))
for i in newlines2[1:]:
g.write("\n" + str(i))
g.close()
f = open(
'C:/Users/Administrator/Documents/Python Scripts/Library/member_db1.txt',
"w")
f.write(str(newlines[0]))
for i in newlines[1:]:
f.write("\n" + str(i))
f.close()
inpu_2 = input("\nPress1.to go back\nPress any other key to exit")
if inpu_2 == '1':
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
def main(x):
os.system('cls')
welcome.func()
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/member_db1.txt"
)
g = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/list_fin1.txt",
"w")
g.write("STUDENT USN BOOKS TO BE RETURNED\n")
newlist = []
flag = 0
while True:
pending = ''
lis = []
w = f.readline()
if len(w) == 0:
break
dic = eval(w)
for k in dic:
for i in [0, 1, 2]:
if dic[k][i][0] != '#':
lis.append(dic[k][i][0])
if str(lis) != '':
pending = str(lis)
if pending != '':
g.write(k + " " + pending + "\n")
f.close()
g.close()
da1 = input('Enter the final fine evaluation date(dd/mm/yyyy):')
try:
date2 = time.strptime(da1, '%d/%m/%Y') #convert string into date
except ValueError:
print('Invalid date!\nEnter again')
main()
d = da1.split('/') #for extracting date,year and month from the date1
d1 = ''
for i in d:
d1 = d1 + i
#print d1
s2 = datetime.datetime.strptime(d1, '%d%m%Y').date()
s1 = datetime.date.today()
if s2 < s1:
print(
"\nYou have typed a date which is already over...Type a valid date\n"
)
main(x)
os.system('cls')
f = open(
"C:/Users/Administrator/Documents/Python Scripts/Library/list_fin1.txt"
)
print(
"\nThe following students are here by informed to return the books mentioned along with their USN on or before "
+ da1 +
"\n\nStudents who fail to return any books before mentioend date will have to pay the fine of Rs1000 in order to get the hall ticket\n"
)
while True:
w = f.readline()
if (len(w) == 0):
break
print("\n" + w)
f.close()
print(
"\nOpen the file 'list_fin1.txt' to get a hard copy of students who are supposed to return books\n"
)
print(
"\n\nInstruction for the librarians:\nPlease calculate the fine after date: "
+ da1 + " so that students can get time to return their due books")
q = input("1 to go back or any other key to exit")
if (q == '1'):
if (x == 1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
def main(bid,d1,x):
f=open("/Python27/libr/books.txt")
flag=0
newlines=[]
while True:
w=f.readline()
if(len(w)==0):
break
b=eval(w)
if(b[0]==bid and b[8]!='#'):
book_cost=b[4]
flag=1
break
newlines.append(b)
usn=b[8]
b[8]='#'
newlines.append(b)
while True:
q=f.readline()
if len(q)==0:
break
q1=eval(q)
newlines.append(q1)
f.close()
f=open("/Python27/libr/books.txt","w")
f.write(str(newlines[0]))
for k in newlines[1:]:
f.write("\n"+str(k))
f.close()
newlines=[]
f=open("/Python27/libr/stud_db1.txt")
while True:
w=f.readline()
if(len(w)==0):
break
dic=eval(w)
if dic.has_key(usn):
for i in dic[usn]:
if i[0]==bid:
d1=datetime.date.today()# date of return
# date of issue
i[1]=str(i[1])
d2=i[1].split('-')
d3=''
for h in d2:
d3=d3+h
d4=datetime.datetime.strptime(d3, '%Y%m%d').date()
d5=d1-d4
if d5==datetime.timedelta(0):
days=0
else:
days=int(str(d5).split()[0])
if(days>15):
print("\nStudent has a fine of "+str(days-15))
dic[usn][3]+=(days-15)
i[0]='#'
i[1]='@'
flag=1
break
break
newlines.append(dic)
newlines.append(dic)
while True:
w=f.readline()
if(len(w)==0):
break
dic=eval(w)
newlines.append(dic)
f.close()
f=open("/Python27/libr/stud_db1.txt","w")
f.write(str(newlines[0]))
for k in newlines[1:]:
f.write("\n"+str(k))
f.close()
print "\nThe book has been returned\n"
vv=raw_input("1 to go back or any other key to exit")
if(vv=='1'):
if (x==1):
os.system('cls')
librarian.main1()
else:
os.system('cls')
librarian.main2()
else:
sys.exit()
