Run py-upgrade to specify a minimum supported python version of 3.8

Author: timsavage

docs/conf.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #
 # Odin documentation build configuration file, created by
 # sphinx-quickstart on Tue Aug 20 18:57:24 2013.
@@ -53,8 +52,8 @@
 master_doc = "contents"
 
 # General information about the project.
-project = u"Odin"
-copyright = u"2023, Tim Savage"
+project = "Odin"
+copyright = "2023, Tim Savage"
 author = "Tim Savage <tim@savage.company>"
 
 # The version info for the project you're documenting, acts as replacement for
@@ -205,8 +204,8 @@
     (
         "index",
         "Odin.tex",
-        u"Odin Documentation",
-        u"Tim Savage \\textless{}tim@savage.company\\textgreater{}",
+        "Odin Documentation",
+        "Tim Savage \\textless{}tim@savage.company\\textgreater{}",
         "manual",
     ),
 ]
@@ -236,7 +235,7 @@
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [("index", "odin", u"Odin Documentation", [author], 1)]
+man_pages = [("index", "odin", "Odin Documentation", [author], 1)]
 
 # If true, show URL addresses after external links.
 # man_show_urls = False
@@ -251,7 +250,7 @@
     (
         "index",
         "Odin",
-        u"Odin Documentation",
+        "Odin Documentation",
         author,
         "Odin",
         "One line description of project.",

src/odin/codecs/csv_codec.py

@@ -101,7 +101,7 @@ def __init__(
             # Handle strict fields
             if self.strict_fields and self.extra_field_names:
                 raise CodecDecodeError(
-                    "Extra unknown fields: {0}".format(",".join(self.extra_field_names))
+                    "Extra unknown fields: {}".format(",".join(self.extra_field_names))
                 )
 
         # Built in counters

src/odin/codecs/xml_codec.py

@@ -66,17 +66,17 @@ def dump(
         )  # Encode attributes
         for f, v in attribute_field_iter_items(resource)
     )
-    fp.write("<{}{}>{}".format(meta.name, attributes, line_ending))
+    fp.write(f"<{meta.name}{attributes}>{line_ending}")
 
     # Write any element fields
     for field, value in element_field_iter_items(resource):
         if isinstance(field, composite.ListOf):
             if field.use_container:
-                fp.write("<{}>{}".format(field.name, line_ending))
+                fp.write(f"<{field.name}>{line_ending}")
             for v in value:
                 dump(fp, v, line_ending)
             if field.use_container:
-                fp.write("</{}>{}".format(field.name, line_ending))
+                fp.write(f"</{field.name}>{line_ending}")
 
         elif isinstance(field, composite.DictAs):
             if value is not None:
@@ -108,7 +108,7 @@ def dump(
                 )
             )
 
-    fp.write("</{}>{}".format(meta.name, line_ending))
+    fp.write(f"</{meta.name}>{line_ending}")
 
 
 def dumps(resource, **kwargs):

src/odin/contrib/geo/datatypes.py

@@ -65,7 +65,7 @@ class longitude(float):  # NoQA
     def __new__(cls, x):
         lng = float.__new__(cls, x)
         if lng > 180.0 or lng < -180.0:
-            raise ValueError("not in range -180.0 -> 180.0: '{}'".format(x))
+            raise ValueError(f"not in range -180.0 -> 180.0: '{x}'")
         return lng
 
     def __str__(self):

src/odin/contrib/geo/fields.py

@@ -3,15 +3,16 @@
 from odin.validators import EMPTY_VALUES
 from .datatypes import latitude, longitude, latlng, point
 
-__all__ = ('LatitudeField', 'LongitudeField', 'LatLngField', 'PointField')
+__all__ = ("LatitudeField", "LongitudeField", "LatLngField", "PointField")
 
 
 class LatitudeField(ScalarField):
     """
     Field that contains a latitude value.
     """
+
     default_error_messages = {
-        'invalid': "'%s' value must be a latitude.",
+        "invalid": "'%s' value must be a latitude.",
     }
     data_type_name = "Latitude"
 
@@ -21,16 +22,17 @@ def to_python(self, value):
         try:
             return latitude(value)
         except (ValueError, TypeError):
-            msg = self.error_messages['invalid'] % value
+            msg = self.error_messages["invalid"] % value
             raise exceptions.ValidationError(msg)
 
 
 class LongitudeField(ScalarField):
     """
     Field that contains a longitude value.
     """
+
     default_error_messages = {
-        'invalid': "'%s' value must be a longitude.",
+        "invalid": "'%s' value must be a longitude.",
     }
     data_type_name = "Longitude"
 
@@ -40,16 +42,17 @@ def to_python(self, value):
         try:
             return longitude(value)
         except (ValueError, TypeError):
-            msg = self.error_messages['invalid'] % value
+            msg = self.error_messages["invalid"] % value
             raise exceptions.ValidationError(msg)
 
 
 class LatLngField(Field):
     """
     Field that contains a lat/long pair.
     """
+
     default_error_messages = {
-        'invalid': "'%s' value must be a (latitude, longitude).",
+        "invalid": "'%s' value must be a (latitude, longitude).",
     }
     data_type_name = "LatLng"
 
@@ -59,16 +62,17 @@ def to_python(self, value):
         try:
             return latlng(value)
         except (ValueError, TypeError):
-            msg = self.error_messages['invalid'] % value
+            msg = self.error_messages["invalid"] % value
             raise exceptions.ValidationError(msg)
 
 
 class PointField(Field):
     """
     Field that contains a point in cartesian space. This can be either 2D (on a plain) or 3D (includes a z-axis).
     """
+
     default_error_messages = {
-        'invalid': "'%s' value must be a point in 2D or 3D cartesian space.",
+        "invalid": "'%s' value must be a point in 2D or 3D cartesian space.",
     }
     data_type_name = "Point"
 
@@ -78,5 +82,5 @@ def to_python(self, value):
         try:
             return point(value)
         except (ValueError, TypeError):
-            msg = self.error_messages['invalid'] % value
+            msg = self.error_messages["invalid"] % value
             raise exceptions.ValidationError(msg)