Flake8 setup and dev install

preserve.py

@@ -5,7 +5,7 @@ Preserve is a simple framework to painlessly convert your python objects and
 data structures into a nested structure containing only primitive types.
 
 While intended for use in serialisation, Preserve stops short of the actual
-serialisation bit - you can then use whatever method you prefer to dump 
+serialisation bit - you can then use whatever method you prefer to dump
 the nested primitive structure to JSON, TOML, or some other message packing
 or storage system - most of which handle all primitive types by default.
 
@@ -41,12 +41,12 @@ to class instances.
 def preservable(cls, restore_method=RestoreMethod.DIRECT, name=None):
     """
     Decorator to mark class as preservable and keep track of associated names
-    and classes. 
+    and classes.
 
     Args:
-        restore_method: One of the available preserve.RestoreMethod values. 
+        restore_method: One of the available preserve.RestoreMethod values.
             Sets the method used for restoring this class. Defaults to
-            ``DIRECT``, skipping the ``__init__`` method and setting all 
+            ``DIRECT``, skipping the ``__init__`` method and setting all
             attributes as they were.
         name: The string used to indentify this class in the preserved dict.
             Must be unique among all ``@preservable`` classes. Defaults to the
@@ -79,7 +79,7 @@ def preserve(target_obj):
 
     Args:
         target_obj: The object to be preserved. This object and all its nested
-            contents must either be primitive types or objects of a 
+            contents must either be primitive types or objects of a
             ``@preservable`` class.
 
     Returns:
@@ -121,7 +121,7 @@ def restore(obj_jam):
     ``@preservable`` classes according to their ``restore_method``.
 
     Args:
-        obj_jam: The data structure to restore, usually the result of a 
+        obj_jam: The data structure to restore, usually the result of a
             ``preserve()`` call.
     """
     if isinstance(obj_jam, (str, int, float, bool, type(None))):

pytest.ini

@@ -0,0 +1,2 @@
+[pytest]
+flake8-max-line-length = 99

setup.py

@@ -9,6 +9,15 @@ setup(name='preserve',
       license='MIT',
       packages=[],
       py_modules=['preserve'],
+      extras_require={
+          'dev': [
+              'pylint',
+              'autopep8',
+              'pytest',
+              'pytest-flake8',
+              'pytest-cov'
+          ]
+      },
       long_description=open('README.md').read(),
       long_description_content_type='text/markdown'
       )

tests/test_preserve.py

@@ -19,7 +19,8 @@ class PreservableClass(PlainClass):
 
 @pytest.fixture
 def primitive_data():
-    return {'key1': ["item1", {"d2k1": "val1", "d2k2": 2}, {"d3k1": "val1", "d3k2": True}, "test str"]}
+    return {'key1': ["item1", {"d2k1": "val1", "d2k2": 2},
+                     {"d3k1": "val1", "d3k2": True}, "test str"]}
 
 
 def obj_attrs_and_type_equal(obj1, obj2):