Add encoding to test results, update utils

.travis.yml

@@ -1,9 +1,9 @@
 language: python
 python:
   - '2.7'
-  - '3.3'
   - '3.4'
   - '3.5-dev'
+  - '3.8'
   - 'nightly'
 matrix:
   allow_failures:

tmc/result.py

@@ -48,5 +48,5 @@ def addResult(self, test, status, err=None):
     # TODO: Do not do this if not using TMCTestRunner
     @atexit.register
     def write_output():
-        with open('.tmc_test_results.json', 'w') as f:
+        with open('.tmc_test_results.json', 'w', encoding='utf8') as f:
             json.dump(results, f, ensure_ascii=False)

tmc/utils.py

@@ -2,9 +2,34 @@
 import sys
 
 
-def load(pkg, method, err=None):
+def load_module(pkg, lang='en'):
+    module_not_found = 'File {0} does not exist!'.format(pkg)
+    other_exception = 'Running exercise {0} failed. Please make sure that you can run your code.'.format(pkg)
+    if lang == 'fi':
+        module_not_found = 'Tiedostoa {0} ei löytynyt.'.format(pkg)
+        other_exception = 'Tehtävän {0} suorittaminen epäonnistui. \
+            Varmista, että saat ohjelman suoritettua loppuun.'.format(pkg)
+    try:
+        return importlib.import_module(pkg)
+    except ModuleNotFoundError:
+        return AssertionError(module_not_found)
+    except Exception:
+        return AssertionError(other_exception)
+
+
+def reload_module(module):
+    if isinstance(module, AssertionError):
+        raise module
+    importlib.reload(module)
+
+
+def load(pkg, method, lang='en', err=None):
+    module_not_found = 'Function {1} was not found in file {0}.'.format(pkg, method)
+    if lang == 'fi':
+        module_not_found = 'Tiedostosta {0} ei löytynyt funktiota {1}.'.format(pkg, method)
+
     if not err:
-        err = '{0}.{1} does not exist!'.format(pkg, method)
+        err = module_not_found
 
     def fail(*args, **kwargs):
         raise AssertionError(err)