move blob object to new file

beadfinder.py

@@ -1,63 +1,7 @@
 import sys
-import math
 from stdlibrary import picture, color
 
 
-class Blob:
-    '''
-    The blob object contains the coordinates of connected pixels.
-    '''
-
-    def __init__(self):
-        '''
-        create new instance of blob object
-        '''
-        self.pixels = []
-
-    def check_new_pixel(self, x, y):
-        '''
-        Check if the [x, y] is in the list of pixels
-        '''
-        return [x, y] in self.pixels
-
-    def add(self, x, y):
-        '''
-        add one pixle to pixels list
-        '''
-        if not self.check_new_pixel(x, y):
-            self.pixels.append([x, y])
-
-    def mass(self):
-        '''
-        return mass of the Blob
-        '''
-        return len(self.pixels)
-
-    def distanceTo(self, c):
-        '''
-        calculate distance to another Blob
-        formula :
-            d = radical( (x2-x1)^2 + (y2-y1)^2)
-        '''
-        center1 = self.center()
-        center2 = c.center()
-        return math.sqrt((center2[0]-center1[0])**2 + (center2[1] - center1[1])**2)
-
-    def center(self):
-        '''
-        return center of the Blob
-        '''
-        xs = 0
-        ys = 0
-        for p in self.pixels:
-            xs += p[0]
-            ys += p[1]
-        return xs/len(self.pixels), ys/len(self.pixels)
-
-    def __str__(self):
-        return f"{str(len(self.pixels))} {self.center()}"
-
-
 class BeadFinder:
     def __init__(self, pic, tau):
         '''
@@ -190,5 +134,6 @@ def main():
     for blb in bf.getBeads(min_pixels):
         print(blb)
 
-if __name__=="__main__":
-    main()
+
+if __name__ == "__main__":
+    main()

blob.py

@@ -0,0 +1,56 @@
+import math
+
+
+class Blob:
+    '''
+    The blob object contains the coordinates of connected pixels.
+    '''
+
+    def __init__(self):
+        '''
+        create new instance of blob object
+        '''
+        self.pixels = []
+
+    def check_new_pixel(self, x, y):
+        '''
+        Check if the [x, y] is in the list of pixels
+        '''
+        return [x, y] in self.pixels
+
+    def add(self, x, y):
+        '''
+        add one pixle to pixels list
+        '''
+        if not self.check_new_pixel(x, y):
+            self.pixels.append([x, y])
+
+    def mass(self):
+        '''
+        return mass of the Blob
+        '''
+        return len(self.pixels)
+
+    def distanceTo(self, c):
+        '''
+        calculate distance to another Blob
+        formula :
+            d = radical( (x2-x1)^2 + (y2-y1)^2)
+        '''
+        center1 = self.center()
+        center2 = c.center()
+        return math.sqrt((center2[0]-center1[0])**2 + (center2[1] - center1[1])**2)
+
+    def center(self):
+        '''
+        return center of the Blob
+        '''
+        xs = 0
+        ys = 0
+        for p in self.pixels:
+            xs += p[0]
+            ys += p[1]
+        return xs/len(self.pixels), ys/len(self.pixels)
+
+    def __str__(self):
+        return f"{str(len(self.pixels))} {self.center()}"