Drop python2 code

example/example/migrations/0001_initial.py

@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.db import migrations, models
 
 import osm_field.fields

osm_field/fields.py

@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.core import checks
 from django.core.exceptions import FieldDoesNotExist
 from django.db.models.fields import FloatField, TextField
@@ -11,7 +9,7 @@
 from .widgets import OSMWidget
 
 
-class Location(object):
+class Location:
     """
     A wrapper class bundling the description of a location (``text``) and its
     geo coordinates, latitude (``lat``) and longitude (``lon``).
@@ -75,15 +73,15 @@ def __init__(self, *args, **kwargs):
         kwargs.setdefault("validators", [])
         if validate_latitude not in kwargs["validators"]:
             kwargs["validators"].append(validate_latitude)
-        super(LatitudeField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def formfield(self, **kwargs):
         """
         :returns: A :class:`~django.forms.FloatField` with ``max_value`` 90 and
             ``min_value`` -90.
         """
         kwargs.update({"max_value": 90, "min_value": -90})
-        return super(LatitudeField, self).formfield(**kwargs)
+        return super().formfield(**kwargs)
 
 
 class LongitudeField(FloatField):
@@ -100,15 +98,15 @@ def __init__(self, *args, **kwargs):
         kwargs.setdefault("validators", [])
         if validate_longitude not in kwargs["validators"]:
             kwargs["validators"].append(validate_longitude)
-        super(LongitudeField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def formfield(self, **kwargs):
         """
         :returns: A :class:`~django.forms.FloatField` with ``max_value`` 180 and
             ``min_value`` -180.
         """
         kwargs.update({"max_value": 180, "min_value": -180})
-        return super(LongitudeField, self).formfield(**kwargs)
+        return super().formfield(**kwargs)
 
 
 class OSMField(TextField):
@@ -127,7 +125,7 @@ def __init__(self, *args, **kwargs):
         self._lat_field_name = kwargs.pop("lat_field", None)
         self._lon_field_name = kwargs.pop("lon_field", None)
         self.data_field_name = kwargs.pop("data_field", None)
-        super(OSMField, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def contribute_to_class(self, cls, name):
         info_name = "get_%s_info" % name
@@ -142,10 +140,10 @@ def _func(obj):
 
             setattr(cls, info_name, _func)
 
-        super(OSMField, self).contribute_to_class(cls, name)
+        super().contribute_to_class(cls, name)
 
     def check(self, **kwargs):
-        errors = super(OSMField, self).check(**kwargs)
+        errors = super().check(**kwargs)
         errors.extend(self._check_latitude_field())
         errors.extend(self._check_longitude_field())
         return errors
@@ -185,7 +183,7 @@ def _check_longitude_field(self):
             return []
 
     def deconstruct(self):
-        name, path, args, kwargs = super(OSMField, self).deconstruct()
+        name, path, args, kwargs = super().deconstruct()
         kwargs.update(
             {
                 "lat_field": self.latitude_field_name,
@@ -213,7 +211,7 @@ def formfield(self, **kwargs):
         }
         defaults.update(kwargs)
 
-        return super(OSMField, self).formfield(**defaults)
+        return super().formfield(**defaults)
 
     @property
     def latitude_field_name(self):

osm_field/forms.py

@@ -10,7 +10,7 @@ def as_widget(self, widget=None, attrs=None, only_initial=False):
         attrs = {} if attrs is None else attrs.copy()
         if self.form.prefix:
             attrs.update({"prefix": self.form.prefix})
-        return super(PrefixedBoundField, self).as_widget(widget, attrs, only_initial)
+        return super().as_widget(widget, attrs, only_initial)
 
 
 class PrefixedFormFieldMixin(object):

osm_field/widgets.py

@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.conf import settings
 from django.forms.widgets import Media, TextInput
 from django.utils.html import format_html
@@ -9,18 +7,18 @@
 def _get_js(debug=False):
     base = ["js/vendor/leaflet.js"]
     if debug:
-        base.extend(["js/osm_field.js"])
+        base.append("js/osm_field.js")
     else:
-        base.extend(["js/osm_field.min.js"])
+        base.append("js/osm_field.min.js")
     return base
 
 
 def _get_css(debug=False):
     base = ["css/vendor/leaflet.css"]
     if debug:
-        base.extend(["css/osm_field.css"])
+        base.append("css/osm_field.css")
     else:
-        base.extend(["css/osm_field.min.css"])
+        base.append("css/osm_field.min.css")
     return base
 
 
@@ -46,7 +44,7 @@ def __init__(self, lat_field, lon_field, data_field=None, attrs=None):
             attrs["class"] += " osmfield"
         else:
             attrs["class"] = "osmfield"
-        super(OSMWidget, self).__init__(attrs=attrs)
+        super().__init__(attrs=attrs)
 
     def render(self, name, value, attrs=None, renderer=None):
         attrs = {} if attrs is None else attrs.copy()
@@ -69,7 +67,7 @@ def render(self, name, value, attrs=None, renderer=None):
                 attrs["data-data-field"] = "{}-{}".format(
                     prefix, attrs.get("data-data-field", self.attrs["data-data-field"])
                 )
-        ret = super(OSMWidget, self).render(name, value, attrs=attrs)
+        ret = super().render(name, value, attrs=attrs)
         id_ = attrs["id"]
         ret += self.render_osmfield(id_)
         return ret

tests/migrations/0001_initial.py

@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.db import migrations, models
 
 import osm_field.fields