Merge pull request #2704 from avinashkranjan/deepsource-transform-ab1de7f3

format code with autopep8

Author: avinashkranjan

Morphological_transforms/morph_transforms.py

@@ -2,82 +2,95 @@
 import tkinter as tk
 import cv2
 
-def select_image(): # selecting image and thresholding it to binary format
+
+def select_image():  # selecting image and thresholding it to binary format
     photo = askopenfilename()
     global img, thresh
     img = cv2.imread(photo)
     gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
-    threshold_value = 125 # this value needs to be adjusted for every image
+    threshold_value = 125  # this value needs to be adjusted for every image
     ret, thresh = cv2.threshold(gray, threshold_value, 255, 0)
 
+
 def erosion():
-    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE,(5,5))
+    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5))
     eroded = cv2.erode(thresh, kernel, iterations=1)
-    eroded = cv2.resize(eroded,(300,300))
+    eroded = cv2.resize(eroded, (300, 300))
     cv2.imshow("Erosion", eroded)
     cv2.waitKey(0)
     cv2.destroyAllWindows()
 
+
 def dilation():
-    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE,(5,5)) # elliptic kernel
+    kernel = cv2.getStructuringElement(
+        cv2.MORPH_ELLIPSE, (5, 5))  # elliptic kernel
     dilated = cv2.dilate(thresh, kernel, iterations=1)
-    dilated = cv2.resize(dilated,(300,300))
+    dilated = cv2.resize(dilated, (300, 300))
     cv2.imshow("Dilation", dilated)
     cv2.waitKey(0)
     cv2.destroyAllWindows()
 
+
 def opening():
-    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE,(5,5))
+    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5))
     opened = cv2.morphologyEx(thresh, cv2.MORPH_OPEN, kernel)
-    opened = cv2.resize(opened,(300,300))
+    opened = cv2.resize(opened, (300, 300))
     cv2.imshow("Opening", opened)
     cv2.waitKey(0)
     cv2.destroyAllWindows()
 
+
 def closing_opn():
-    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE,(5,5))
+    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5))
     closed = cv2.morphologyEx(thresh, cv2.MORPH_CLOSE, kernel)
-    closed = cv2.resize(closed,(300,300))
+    closed = cv2.resize(closed, (300, 300))
     cv2.imshow("Closing", closed)
     cv2.waitKey(0)
     cv2.destroyAllWindows()
 
+
 def morph_grad():
-    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE,(5,5))
+    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5))
     grad = cv2.morphologyEx(thresh, cv2.MORPH_GRADIENT, kernel)
-    grad = cv2.resize(grad,(300,300))
+    grad = cv2.resize(grad, (300, 300))
     cv2.imshow("Morph gradient", grad)
     cv2.waitKey(0)
     cv2.destroyAllWindows()
 
+
 def top_hat():
-    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE,(5,5))
+    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5))
     tophat = cv2.morphologyEx(thresh, cv2.MORPH_TOPHAT, kernel)
-    tophat = cv2.resize(tophat,(300,300))
+    tophat = cv2.resize(tophat, (300, 300))
     cv2.imshow("Top hat", tophat)
     cv2.waitKey(0)
     cv2.destroyAllWindows()
 
+
 def black_hat():
-    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE,(5,5))
+    kernel = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (5, 5))
     blackhat = cv2.morphologyEx(thresh, cv2.MORPH_BLACKHAT, kernel)
-    blackhat = cv2.resize(blackhat,(300,300))
+    blackhat = cv2.resize(blackhat, (300, 300))
     cv2.imshow("Black hat", blackhat)
     cv2.waitKey(0)
     cv2.destroyAllWindows()
 
+
 window = tk.Tk()
 window.title("Morphological transformations")
 window.geometry('320x220')
-label = tk.Label(window, text="Select an image and then choose an option").grid(row=0, column=0)
-b = tk.Button(window, text="Select image", command=select_image).grid(row=1,column=0)
+label = tk.Label(window, text="Select an image and then choose an option").grid(
+    row=0, column=0)
+b = tk.Button(window, text="Select image",
+              command=select_image).grid(row=1, column=0)
 
 
 rad1 = tk.Radiobutton(window, text='erosion', value=1, command=erosion)
 rad2 = tk.Radiobutton(window, text='dilation', value=2, command=dilation)
 rad3 = tk.Radiobutton(window, text='opening', value=3, command=opening)
 rad4 = tk.Radiobutton(window, text='closing', value=4, command=closing_opn)
-rad5 = tk.Radiobutton(window, text='morph gradient', value=5, command=morph_grad)
+rad5 = tk.Radiobutton(window, text='morph gradient',
+                      value=5, command=morph_grad)
 rad6 = tk.Radiobutton(window, text='top hat', value=6, command=top_hat)
 rad7 = tk.Radiobutton(window, text='black hat', value=7, command=black_hat)