validate example

Author: AndreasArne

example/cmd/turtle/main.py

@@ -13,7 +13,7 @@
 
 """
 
-# pylint: disable=locally-disabled,unused-argument,too-many-public-methods
+# pylint: disable=locally-disabled,unused-argument,too-many-public-methods,consider-using-with
 
 
 import cmd

example/json/parse-json.py

@@ -17,11 +17,9 @@
 if os.path.isfile(filenameMy):
     filename = filenameMy
 
-jsonfile = open(filename, "r")
-
 
 # Read from file and decode as json
-jsonobject = json.load(jsonfile)
+jsonobject = json.load(open(filename, "r"))
 
 
 # Print out the content from the dict
@@ -46,7 +44,5 @@
     })
 
     # Open the file for writing ("w" will replace the file contents)
-    jsonfile = open(filenameMy, "w")
-
     # Encode json with pretty output (indent)
-    json.dump(jsonobject, jsonfile, indent=4)
+    json.dump(jsonobject, open(filenameMy, "w"), indent=4)

example/lectures/2020/kmom06/shoppinglist.py

@@ -10,6 +10,7 @@ def read_file(filename):
             return fd.read()
     except FileNotFoundError:
         print("You are missing the file")
+    return
 
 
 

example/marvin/format.py

@@ -5,12 +5,12 @@
 
 import random
 
-fhand = open("format.txt")
-line = fhand.readline()
+with open("format.txt") as fhand:
+    line = fhand.readline()
 
-moods = ["happy", "sad", "depressed", "angry", "annoyed", "bored", "confused", "excited", "lonely"]
-mood = random.choice(moods)
-smilies = [":)", ":(", ":D", ":/", ":|", ":'(", ":O", ":@", ":P", ":3"]
-smiley = random.choice(smilies)
+    moods = ["happy", "sad", "depressed", "angry", "annoyed", "bored", "confused", "excited", "lonely"]
+    mood = random.choice(moods)
+    smilies = [":)", ":(", ":D", ":/", ":|", ":'(", ":O", ":@", ":P", ":3"]
+    smiley = random.choice(smilies)
 
-print(line.format(mood=mood, smiley=smiley))
+    print(line.format(mood=mood, smiley=smiley))

example/old_exams/lp1-2018/.dbwebb/test_exam.py

@@ -2,13 +2,13 @@
 """
 Contains testcases for the individual examination.
 """
+import os
+import sys
 import unittest
 from unittest.mock import patch
+from unittest import TextTestRunner
 from importlib import util
 from io import StringIO
-import os
-import sys
-from unittest import TextTestRunner
 from examiner.exam_test_case import ExamTestCase
 from examiner.exam_test_result import ExamTestResult
 
@@ -313,4 +313,3 @@ def test_d_invalid_command(self):
 if __name__ == '__main__':
     runner = TextTestRunner(resultclass=ExamTestResult, verbosity=2)
     unittest.main(testRunner=runner, exit=False)
-

example/sqlite/sqlite-ping.py

@@ -35,9 +35,8 @@ def isSQLite3(filename):
     if getsize(filename) < 100: # SQLite database file header is 100 bytes
         return False
 
-    fd = open(filename, 'rb')
-    Header = fd.read(100)
-    fd.close()
+    with open(filename, 'rb') as fd:
+        Header = fd.read(100)
 
     isFileSQLite = False