Remake graph algorithm, add try in CLI

PassgenCLI.py

@@ -4,8 +4,13 @@ from logics.qr import generate_qr_text
 from logics.generate import alph_generate,pass_generate
 
 soglasie=["yes","y","д","да"]
-nigative=["no","n","н","нет"]
+while True:
+    try:
         lineal=int(input("Длина пароля: "))
+        break
+    except ValueError:
+        print("Это должно быть число!")
+while True:
     number=input("Использовать числа? [Д/н] ")
     letterB=input("Использовать большие буквы? [Д/н] ")
     letterS=input("Использовать маленькие буквы? [Д/н] ")  
@@ -15,9 +20,13 @@ variables=[number.lower(),letterB.lower(),letterS.lower(),spec.lower()]
     for i in range(len(variables)):
         if variables[i] in soglasie:
             variables[i]=True
-        if variables[i] in nigative:  
+        else:  
             variables[i]=False 
     number,letterB,letterS,spec=variables[0],variables[1],variables[2],variables[3]
+    if True in variables:
+        break
+    else:
+        print("Пустой пароль!")  
 password_lst=alph_generate(number,letterB,letterS,spec)
 password=pass_generate(password_lst,lineal)
 print(password)

logics/graph.py

@@ -8,24 +8,22 @@ def graph(x,y): #Создаём двумерный массив, заполне
     return a
 
 def ggraph(n,xn,yn):
-	m = 0
+	m = 1
 	b = graph(xn, yn)
-	av = [[-1,-1]]
+	x0 = 0
-	masx = [i for i in range(0,xn)]
+	y0 = 0
-	masy = [i for i in range(0,yn)]
+	from time import time
-	timing = time.time()
+	timing = time()
 	while m < n+1:
 		x = random.randint(0, xn-1)
 		y = random.randint(0, yn-1)
-		x0 = av[len(av)-1][0]
+		if not((abs(x-x0) == abs(y-y0) and abs(y-y0) != 1)or (y == y0 and abs(x-x0) != 1) or (x == x0 and abs(y-y0) != 1)) and (b[y][x] == 0) or (m == 1):
-		y0 = av[len(av)-1][1]
-		a = [x0,y0,x,y]
-		if not((abs(x-x0)==abs(y-y0) and abs(y-y0)!=1)or (y==y0 and abs(x-x0)!=1) or (x==x0 and abs(y-y0)!=1)) and x0 in masx and y0 in masy and x in masx and y in masy and (b[y][x] == 0) or (x0==-1 and y0==-1):
 			b[y][x] = m
-			av.append([x,y])
+			x0 = x
+			y0 = y
 			m += 1
 
-		if time.time() - timing > 0.06:
+		if time() - timing > 0.06:
 			b = None
 			break
 		else:	
@@ -34,6 +32,7 @@ def ggraph(n,xn,yn):
 	return b
 
 
+
 def find(matrix, value):
 	value_indexs = [ ( matrix.index(row), row.index(value) ) for row in matrix if value in row]
 	return value_indexs