Travis CI: Run black, doctest, flake8, mypy, and pytest

.travis.yml

@@ -1,5 +1,14 @@
 language: python
 dist: xenial  # required for Python >= 3.7
 python: 3.7
-install: pip install flake8
-script: flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+cache: pip
+install: pip install -r requirements.txt
+before_script:
+  - black --check . || true
+  - flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+script:
+  - mypy --ignore-missing-imports .
+  - pytest --doctest-modules ./ciphers ./other ./searches ./sorts ./strings
+after_success:
+  - python ./~script.py
+  - cat DIRECTORY.md

ciphers/Atbash.py

@@ -18,4 +18,6 @@ def Atbash():
             output+=i
     print(output)
 
-Atbash()
+
+if __name__ == '__main__':
+    Atbash()

ciphers/caesar_cipher.py

@@ -60,4 +60,7 @@ def main():
         elif choice == '4':
             print ("Goodbye.")
             break
-main()
+
+
+if __name__ == '__main__':
+    main()

other/detecting_english_programmatically.py

@@ -6,7 +6,7 @@
 def loadDictionary():
     path = os.path.split(os.path.realpath(__file__))
     englishWords = {}
-    with open(path[0] + '/Dictionary.txt') as dictionaryFile:
+    with open(path[0] + '/dictionary.txt') as dictionaryFile:
         for word in dictionaryFile.read().split('\n'):
             englishWords[word] = None
     return englishWords

other/sierpinski_triangle.py

@@ -27,13 +27,6 @@
 import turtle
 import sys
 PROGNAME = 'Sierpinski Triangle'
-if len(sys.argv) !=2: 
-    raise Exception('right format for using this script: $python fractals.py <int:depth_for_fractal>')
-
-myPen = turtle.Turtle()
-myPen.ht()
-myPen.speed(5)
-myPen.pencolor('red')
 
 points = [[-175,-125],[0,175],[175,-125]] #size of triangle
 
@@ -64,4 +57,12 @@ def triangle(points,depth):
                    depth-1)
 
 
-triangle(points,int(sys.argv[1]))
+if __name__ == '__main__':
+    if len(sys.argv) !=2: 
+        raise ValueError('right format for using this script: '
+                         '$python fractals.py <int:depth_for_fractal>')
+    myPen = turtle.Turtle()
+    myPen.ht()
+    myPen.speed(5)
+    myPen.pencolor('red')
+    triangle(points,int(sys.argv[1]))

other/tower_of_hanoi.py

@@ -16,10 +16,10 @@ def moveTower(height, fromPole, toPole, withPole):
         moveTower(height-1, withPole, toPole, fromPole)
 
 def moveDisk(fp,tp):
-    print(('moving disk from', fp, 'to', tp))
+    print('moving disk from', fp, 'to', tp)
 
 def main():
-    height = int(input('Height of hanoi: '))
+    height = int(input('Height of hanoi: ').strip())
     moveTower(height, 'A', 'B', 'C')
 
 if __name__ == '__main__':

requirements.txt

@@ -0,0 +1,6 @@
+black
+flake8
+matplotlib
+mypy
+numpy
+pytest

searches/tabu_search.py

@@ -38,7 +38,7 @@ def generate_neighbours(path):
     and the cost (distance) for each neighbor.
 
     Example of dict_of_neighbours:
-    >>> dict_of_neighbours[a]
+    >>) dict_of_neighbours[a]
     [[b,20],[c,18],[d,22],[e,26]]
 
     This indicates the neighbors of node (city) 'a', which has neighbor the node 'b' with distance 20,
@@ -130,7 +130,7 @@ def find_neighborhood(solution, dict_of_neighbours):
 
 
     Example:
-    >>> find_neighborhood(['a','c','b','d','e','a'])
+    >>) find_neighborhood(['a','c','b','d','e','a'])
     [['a','e','b','d','c','a',90], [['a','c','d','b','e','a',90],['a','d','b','c','e','a',93],
     ['a','c','b','e','d','a',102], ['a','c','e','d','b','a',113], ['a','b','c','d','e','a',93]]
 

sorts/Bitonic_Sort.py

@@ -42,15 +42,16 @@ def sort(a, N, up):
     bitonicSort(a, 0, N, up)
 
 
-# Driver code to test above
-a = []
-
-n = int(input())
-for i in range(n):
-    a.append(int(input()))
-up = 1
-
-sort(a, n, up)
-print("\n\nSorted array is")
-for i in range(n):
-    print("%d" % a[i])
+if __name__ == "__main__":
+    # Driver code to test above
+    a = []
+
+    n = int(input().strip())
+    for i in range(n):
+        a.append(int(input().strip()))
+    up = 1
+
+    sort(a, n, up)
+    print("\n\nSorted array is")
+    for i in range(n):
+        print("%d" % a[i])

sorts/bubble_sort.py

@@ -19,7 +19,7 @@ def bubble_sort(collection):
     [-45, -5, -2]
 
     >>> bubble_sort([-23,0,6,-4,34])
-    [-23,-4,0,6,34]
+    [-23, -4, 0, 6, 34]
     """
     length = len(collection)
     for i in range(length-1):