Fixed assorted flake8 errors.

django/conf/locale/id/formats.py

@@ -12,7 +12,7 @@ YEAR_MONTH_FORMAT = 'F Y'
 MONTH_DAY_FORMAT = 'j F'
 SHORT_DATE_FORMAT = 'd-m-Y'
 SHORT_DATETIME_FORMAT = 'd-m-Y G.i.s'
-FIRST_DAY_OF_WEEK = 1 #Monday
+FIRST_DAY_OF_WEEK = 1  # Monday
 
 # The *_INPUT_FORMATS strings use the Python strftime format syntax,
 # see http://docs.python.org/library/datetime.html#strftime-strptime-behavior

django/conf/locale/lv/formats.py

@@ -12,7 +12,7 @@ YEAR_MONTH_FORMAT = r'Y. \g. F'
 MONTH_DAY_FORMAT = 'j. F'
 SHORT_DATE_FORMAT = r'j.m.Y'
 SHORT_DATETIME_FORMAT = 'j.m.Y H:i:s'
-FIRST_DAY_OF_WEEK = 1 #Monday
+FIRST_DAY_OF_WEEK = 1  # Monday
 
 # The *_INPUT_FORMATS strings use the Python strftime format syntax,
 # see http://docs.python.org/library/datetime.html#strftime-strptime-behavior

django/contrib/gis/admin/options.py

@@ -101,7 +101,7 @@ class GeoModelAdmin(ModelAdmin):
                       'num_zoom' : self.num_zoom,
                       'max_zoom' : self.max_zoom,
                       'min_zoom' : self.min_zoom,
-                      'units' : self.units, #likely shoud get from object
+                      'units' : self.units,  # likely should get from object
                       'max_resolution' : self.max_resolution,
                       'max_extent' : self.max_extent,
                       'modifiable' : self.modifiable,

django/contrib/gis/gdal/srs.py

@@ -105,7 +105,7 @@ class SpatialReference(GDALBase):
         doesn't exist.  Can also take a tuple as a parameter, (target, child),
         where child is the index of the attribute in the WKT.  For example:
 
-        >>> wkt = 'GEOGCS["WGS 84", DATUM["WGS_1984, ... AUTHORITY["EPSG","4326"]]')
+        >>> wkt = 'GEOGCS["WGS 84", DATUM["WGS_1984, ... AUTHORITY["EPSG","4326"]]'
         >>> srs = SpatialReference(wkt) # could also use 'WGS84', or 4326
         >>> print(srs['GEOGCS'])
         WGS 84

django/contrib/gis/gdal/tests/test_geom.py

@@ -204,7 +204,7 @@ class OGRGeomTest(unittest.TestCase, TestDataMixin):
         "Testing Polygon objects."
 
         # Testing `from_bbox` class method
-        bbox =  (-180,-90,180,90)
+        bbox = (-180, -90, 180, 90)
         p = OGRGeometry.from_bbox( bbox )
         self.assertEqual(bbox, p.extent)
 

django/contrib/gis/geos/polygon.py

@@ -17,12 +17,14 @@ class Polygon(GEOSGeometry):
 
         Examples of initialization, where shell, hole1, and hole2 are
         valid LinearRing geometries:
+        >>> from django.contrib.gis.geos import LinearRing, Polygon
+        >>> shell = hole1 = hole2 = LinearRing()
         >>> poly = Polygon(shell, hole1, hole2)
         >>> poly = Polygon(shell, (hole1, hole2))
 
-        Example where a tuple parameters are used:
+        >>> # Example where a tuple parameters are used:
         >>> poly = Polygon(((0, 0), (0, 10), (10, 10), (0, 10), (0, 0)),
-                           ((4, 4), (4, 6), (6, 6), (6, 4), (4, 4)))
+        ...                ((4, 4), (4, 6), (6, 6), (6, 4), (4, 4)))
         """
         if not args:
             raise TypeError('Must provide at least one LinearRing, or a tuple, to initialize a Polygon.')

django/contrib/gis/geos/tests/test_geos_mutation.py

@@ -33,9 +33,9 @@ def api_get_extent(x): return x.extent
 def api_get_area(x): return x.area
 def api_get_length(x): return x.length
 
-geos_function_tests =  [ val for name, val in vars().items()
+geos_function_tests = [val for name, val in vars().items()
                        if hasattr(val, '__call__')
-                        and name.startswith('api_get_') ]
+                       and name.startswith('api_get_')]
 
 
 @skipUnless(HAS_GEOS, "Geos is required.")

django/contrib/gis/geos/tests/test_mutable_list.py

@@ -16,11 +16,14 @@ class UserListA(ListMixin):
         self._list = self._mytype(i_list)
         super(UserListA, self).__init__(*args, **kwargs)
 
-    def __len__(self):  return len(self._list)
+    def __len__(self):
+        return len(self._list)
 
-    def __str__(self):  return str(self._list)
+    def __str__(self):
+        return str(self._list)
 
-    def __repr__(self): return repr(self._list)
+    def __repr__(self):
+        return repr(self._list)
 
     def _set_list(self, length, items):
         # this would work:

django/contrib/gis/tests/layermap/tests.py

@@ -163,8 +163,10 @@ class LayerMapTest(TestCase):
 
         # Passing in invalid ForeignKey mapping parameters -- must be a dictionary
         # mapping for the model the ForeignKey points to.
-        bad_fk_map1 = copy(co_mapping); bad_fk_map1['state'] = 'name'
+        bad_fk_map1 = copy(co_mapping)
-        bad_fk_map2 = copy(co_mapping); bad_fk_map2['state'] = {'nombre' : 'State'}
+        bad_fk_map1['state'] = 'name'
+        bad_fk_map2 = copy(co_mapping)
+        bad_fk_map2['state'] = {'nombre' : 'State'}
         self.assertRaises(TypeError, LayerMapping, County, co_shp, bad_fk_map1, transform=False)
         self.assertRaises(LayerMapError, LayerMapping, County, co_shp, bad_fk_map2, transform=False)
 

django/contrib/gis/tests/test_geoforms.py

@@ -163,7 +163,7 @@ class SpecializedFieldTest(SimpleTestCase):
         self.assertFalse(invalid.is_valid())
         self.assertTrue('Invalid geometry value' in str(invalid.errors))
 
-        for invalid in [geom for key, geom in self.geometries.items() if key!='point']:
+        for invalid in [geo for key, geo in self.geometries.items() if key!='point']:
             self.assertFalse(PointForm(data={'p': invalid.wkt}).is_valid())
 
     def test_multipointfield(self):
@@ -176,7 +176,7 @@ class SpecializedFieldTest(SimpleTestCase):
         self.assertMapWidget(form)
         self.assertFalse(PointForm().is_valid())
 
-        for invalid in [geom for key, geom in self.geometries.items() if key!='multipoint']:
+        for invalid in [geo for key, geo in self.geometries.items() if key!='multipoint']:
             self.assertFalse(PointForm(data={'p': invalid.wkt}).is_valid())
 
     def test_linestringfield(self):
@@ -189,7 +189,7 @@ class SpecializedFieldTest(SimpleTestCase):
         self.assertMapWidget(form)
         self.assertFalse(LineStringForm().is_valid())
 
-        for invalid in [geom for key, geom in self.geometries.items() if key!='linestring']:
+        for invalid in [geo for key, geo in self.geometries.items() if key!='linestring']:
             self.assertFalse(LineStringForm(data={'p': invalid.wkt}).is_valid())
 
     def test_multilinestringfield(self):
@@ -202,7 +202,7 @@ class SpecializedFieldTest(SimpleTestCase):
         self.assertMapWidget(form)
         self.assertFalse(LineStringForm().is_valid())
 
-        for invalid in [geom for key, geom in self.geometries.items() if key!='multilinestring']:
+        for invalid in [geo for key, geo in self.geometries.items() if key!='multilinestring']:
             self.assertFalse(LineStringForm(data={'p': invalid.wkt}).is_valid())
 
     def test_polygonfield(self):
@@ -215,7 +215,7 @@ class SpecializedFieldTest(SimpleTestCase):
         self.assertMapWidget(form)
         self.assertFalse(PolygonForm().is_valid())
 
-        for invalid in [geom for key, geom in self.geometries.items() if key!='polygon']:
+        for invalid in [geo for key, geo in self.geometries.items() if key!='polygon']:
             self.assertFalse(PolygonForm(data={'p': invalid.wkt}).is_valid())
 
     def test_multipolygonfield(self):
@@ -228,7 +228,7 @@ class SpecializedFieldTest(SimpleTestCase):
         self.assertMapWidget(form)
         self.assertFalse(PolygonForm().is_valid())
 
-        for invalid in [geom for key, geom in self.geometries.items() if key!='multipolygon']:
+        for invalid in [geo for key, geo in self.geometries.items() if key!='multipolygon']:
             self.assertFalse(PolygonForm(data={'p': invalid.wkt}).is_valid())
 
     def test_geometrycollectionfield(self):
@@ -241,7 +241,7 @@ class SpecializedFieldTest(SimpleTestCase):
         self.assertMapWidget(form)
         self.assertFalse(GeometryForm().is_valid())
 
-        for invalid in [geom for key, geom in self.geometries.items() if key!='geometrycollection']:
+        for invalid in [geo for key, geo in self.geometries.items() if key!='geometrycollection']:
             self.assertFalse(GeometryForm(data={'g': invalid.wkt}).is_valid())
 
     def test_osm_widget(self):

django/contrib/gis/utils/wkt.py

@@ -10,10 +10,11 @@ def precision_wkt(geom, prec):
     integer or a string).  If the precision is an integer, then the decimal
     places of coordinates WKT will be truncated to that number:
 
+     >>> from django.contrib.gis.geos import Point
      >>> pnt = Point(5, 23)
      >>> pnt.wkt
      'POINT (5.0000000000000000 23.0000000000000000)'
-     >>> precision(geom, 1)
+     >>> precision_wkt(pnt, 1)
      'POINT (5.0 23.0)'
 
     If the precision is a string, it must be valid Python format string

django/core/files/uploadhandler.py

@@ -199,6 +199,8 @@ def load_handler(path, *args, **kwargs):
     Given a path to a handler, return an instance of that handler.
 
     E.g.::
+        >>> from django.http import HttpRequest
+        >>> request = HttpRequest()
         >>> load_handler('django.core.files.uploadhandler.TemporaryFileUploadHandler', request)
         <TemporaryFileUploadHandler object at 0x...>
 

django/db/models/base.py

@@ -164,7 +164,7 @@ class ModelBase(type):
         # Basic setup for proxy models.
         if is_proxy:
             base = None
-            for parent in [cls for cls in parents if hasattr(cls, '_meta')]:
+            for parent in [kls for kls in parents if hasattr(kls, '_meta')]:
                 if parent._meta.abstract:
                     if parent._meta.fields:
                         raise TypeError("Abstract base class containing model fields not permitted for proxy model '%s'." % name)

django/db/models/fields/files.py

@@ -142,11 +142,14 @@ class FileDescriptor(object):
     The descriptor for the file attribute on the model instance. Returns a
     FieldFile when accessed so you can do stuff like::
 
+        >>> from myapp.models import MyModel
+        >>> instance = MyModel.objects.get(pk=1)
         >>> instance.file.size
 
     Assigns a file object on assignment so you can do::
 
-        >>> instance.file = File(...)
+        >>> with open('/tmp/hello.world', 'r') as f:
+        ...     instance.file = File(f)
 
     """
     def __init__(self, field):

django/dispatch/saferef.py

@@ -23,7 +23,7 @@ def safeRef(target, onDelete = None):
         if target.__self__ is not None:
             # Turn a bound method into a BoundMethodWeakref instance.
             # Keep track of these instances for lookup by disconnect().
-            assert hasattr(target, '__func__'), """safeRef target %r has __self__, but no __func__, don't know how to create reference"""%( target,)
+            assert hasattr(target, '__func__'), """safeRef target %r has __self__, but no __func__, don't know how to create reference""" % (target,)
             reference = get_bound_method_weakref(
                 target=target,
                 onDelete=onDelete
@@ -144,7 +144,7 @@ class BoundMethodWeakref(object):
 
     def __str__(self):
         """Give a friendly representation of the object"""
-        return """%s( %s.%s )"""%(
+        return """%s( %s.%s )""" % (
             self.__class__.__name__,
             self.selfName,
             self.funcName,

django/forms/widgets.py

@@ -117,7 +117,7 @@ def media_property(cls):
         if definition:
             extend = getattr(definition, 'extend', True)
             if extend:
-                if extend == True:
+                if extend is True:
                     m = base
                 else:
                     m = Media()

django/templatetags/cache.py

@@ -60,4 +60,4 @@ def do_cache(parser, token):
     return CacheNode(nodelist,
         parser.compile_filter(tokens[1]),
         tokens[2], # fragment_name can't be a variable.
-        [parser.compile_filter(token) for token in tokens[3:]])
+        [parser.compile_filter(t) for t in tokens[3:]])

django/utils/autoreload.py

@@ -28,7 +28,11 @@
 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-import os, sys, time, signal, traceback
+import os
+import signal
+import sys
+import time
+import traceback
 
 try:
     from django.utils.six.moves import _thread as thread

tests/admin_changelist/tests.py

@@ -505,7 +505,7 @@ class ChangeListTests(TestCase):
             admin.site.register(UnorderedObject, UnorderedObjectAdmin)
             model_admin = UnorderedObjectAdmin(UnorderedObject, admin.site)
             counter = 0 if ascending else 51
-            for page in range (0, 5):
+            for page in range(0, 5):
                 request = self._mocked_authenticated_request('/unorderedobject/?p=%s' % page, superuser)
                 response = model_admin.changelist_view(request)
                 for result in response.context_data['cl'].result_list:
@@ -550,7 +550,7 @@ class ChangeListTests(TestCase):
             admin.site.register(OrderedObject, OrderedObjectAdmin)
             model_admin = OrderedObjectAdmin(OrderedObject, admin.site)
             counter = 0 if ascending else 51
-            for page in range (0, 5):
+            for page in range(0, 5):
                 request = self._mocked_authenticated_request('/orderedobject/?p=%s' % page, superuser)
                 response = model_admin.changelist_view(request)
                 for result in response.context_data['cl'].result_list:

tests/admin_inlines/tests.py

@@ -170,7 +170,7 @@ class TestInline(TestCase):
         holder = Holder.objects.create(pk=123456789, dummy=42)
         inner = Inner.objects.create(pk=987654321, holder=holder, dummy=42, readonly='')
         response = self.client.get('/admin/admin_inlines/holder/%i/' % holder.id)
-        inner_shortcut = 'r/%s/%s/'%(ContentType.objects.get_for_model(inner).pk, inner.pk)
+        inner_shortcut = 'r/%s/%s/' % (ContentType.objects.get_for_model(inner).pk, inner.pk)
         self.assertContains(response, inner_shortcut)
 
     def test_custom_pk_shortcut(self):
@@ -182,8 +182,8 @@ class TestInline(TestCase):
         child1 = ChildModel1.objects.create(my_own_pk="bar", name="Bar", parent=parent)
         child2 = ChildModel2.objects.create(my_own_pk="baz", name="Baz", parent=parent)
         response = self.client.get('/admin/admin_inlines/parentmodelwithcustompk/foo/')
-        child1_shortcut = 'r/%s/%s/'%(ContentType.objects.get_for_model(child1).pk, child1.pk)
+        child1_shortcut = 'r/%s/%s/' % (ContentType.objects.get_for_model(child1).pk, child1.pk)
-        child2_shortcut = 'r/%s/%s/'%(ContentType.objects.get_for_model(child2).pk, child2.pk)
+        child2_shortcut = 'r/%s/%s/' % (ContentType.objects.get_for_model(child2).pk, child2.pk)
         self.assertContains(response, child1_shortcut)
         self.assertContains(response, child2_shortcut)
 

tests/aggregation_regress/tests.py

@@ -1017,20 +1017,20 @@ class AggregationTests(TestCase):
 
         tests aggregations with generic reverse relations
         """
-        b = Book.objects.get(name='Practical Django Projects')
+        django_book = Book.objects.get(name='Practical Django Projects')
-        ItemTag.objects.create(object_id=b.id, tag='intermediate',
+        ItemTag.objects.create(object_id=django_book.id, tag='intermediate',
-                content_type=ContentType.objects.get_for_model(b))
+                content_type=ContentType.objects.get_for_model(django_book))
-        ItemTag.objects.create(object_id=b.id, tag='django',
+        ItemTag.objects.create(object_id=django_book.id, tag='django',
-                content_type=ContentType.objects.get_for_model(b))
+                content_type=ContentType.objects.get_for_model(django_book))
         # Assign a tag to model with same PK as the book above. If the JOIN
         # used in aggregation doesn't have content type as part of the
         # condition the annotation will also count the 'hi mom' tag for b.
-        wmpk = WithManualPK.objects.create(id=b.pk)
+        wmpk = WithManualPK.objects.create(id=django_book.pk)
         ItemTag.objects.create(object_id=wmpk.id, tag='hi mom',
                 content_type=ContentType.objects.get_for_model(wmpk))
-        b = Book.objects.get(name__startswith='Paradigms of Artificial Intelligence')
+        ai_book = Book.objects.get(name__startswith='Paradigms of Artificial Intelligence')
-        ItemTag.objects.create(object_id=b.id, tag='intermediate',
+        ItemTag.objects.create(object_id=ai_book.id, tag='intermediate',
-                content_type=ContentType.objects.get_for_model(b))
+                content_type=ContentType.objects.get_for_model(ai_book))
 
         self.assertEqual(Book.objects.aggregate(Count('tags')), {'tags__count': 3})
         results = Book.objects.annotate(Count('tags')).order_by('-tags__count', 'name')

tests/cache/tests.py

@@ -149,7 +149,7 @@ class DummyCacheTests(unittest.TestCase):
             'ascii': 'ascii_value',
             'unicode_ascii': 'Iñtërnâtiônàlizætiøn1',
             'Iñtërnâtiônàlizætiøn': 'Iñtërnâtiônàlizætiøn2',
-            'ascii2': {'x' : 1 }
+            'ascii2': {'x' : 1}
             }
         for (key, value) in stuff.items():
             self.cache.set(key, value)
@@ -434,7 +434,7 @@ class BaseCacheTests(object):
         it is an absolute expiration timestamp instead of a relative
         offset. Test that we honour this convention. Refs #12399.
         '''
-        self.cache.set('key1', 'eggs', 60*60*24*30 + 1) #30 days + 1 second
+        self.cache.set('key1', 'eggs', 60*60*24*30 + 1)  # 30 days + 1 second
         self.assertEqual(self.cache.get('key1'), 'eggs')
 
         self.cache.add('key2', 'ham', 60*60*24*30 + 1)
@@ -1432,7 +1432,7 @@ class CacheI18nTest(TestCase):
         self.assertEqual(key, key2)
 
     @override_settings(USE_I18N=False, USE_L10N=False)
-    def test_cache_key_no_i18n (self):
+    def test_cache_key_no_i18n(self):
         request = self._get_request()
         lang = translation.get_language()
         tz = force_text(timezone.get_current_timezone_name(), errors='ignore')

tests/expressions_regress/tests.py

@@ -367,7 +367,7 @@ class FTimeDeltaTests(TestCase):
     def test_delta_invalid_op_mod(self):
         raised = False
         try:
-            r = repr(Experiment.objects.filter(end__lt=F('start')%self.deltas[0]))
+            r = repr(Experiment.objects.filter(end__lt=F('start') % self.deltas[0]))
         except TypeError:
             raised = True
         self.assertTrue(raised, "TypeError not raised on attempt to modulo divide datetime by timedelta.")

tests/prefetch_related/tests.py

@@ -321,9 +321,9 @@ class GenericRelationTests(TestCase):
                          [t.created_by for t in TaggedItem.objects.all()])
 
     def test_generic_relation(self):
-        b = Bookmark.objects.create(url='http://www.djangoproject.com/')
+        bookmark = Bookmark.objects.create(url='http://www.djangoproject.com/')
-        t1 = TaggedItem.objects.create(content_object=b, tag='django')
+        t1 = TaggedItem.objects.create(content_object=bookmark, tag='django')
-        t2 = TaggedItem.objects.create(content_object=b, tag='python')
+        t2 = TaggedItem.objects.create(content_object=bookmark, tag='python')
 
         with self.assertNumQueries(2):
             tags = [t.tag for b in Bookmark.objects.prefetch_related('tags')

tests/queries/tests.py

@@ -1558,7 +1558,9 @@ class Queries5Tests(TestCase):
         # extra()
         qs = Ranking.objects.extra(select={'good': 'case when rank > 2 then 1 else 0 end'})
         dicts = qs.values().order_by('id')
-        for d in dicts: del d['id']; del d['author_id']
+        for d in dicts:
+            del d['id']
+            del d['author_id']
         self.assertEqual(
             [sorted(d.items()) for d in dicts],
             [[('good', 0), ('rank', 2)], [('good', 0), ('rank', 1)], [('good', 1), ('rank', 3)]]