Drop Python 3.9 support

.github/workflows/dist.yml

@@ -131,7 +131,6 @@ jobs:
         - "macos-14" # arm64
         - "windows-2022"
         python_version:
-        - '3.9'
         - '3.10'
         - '3.11'
         - '3.12'

devtools/update_pyproject.py

@@ -40,7 +40,7 @@ def __init__(self, ctx: Context) -> None:
         # and retain all the comments
         self.subprojects: typing.Dict[str, ProjectInfo] = {}
         for name, project in self.ctx.subprojects.items():
-            with open(project.pyproject_path, "r") as fp:
+            with open(project.pyproject_path) as fp:
                 data = tomlkit.load(fp)
 
             self.subprojects[name] = ProjectInfo(

subprojects/pyntcore/tests/test_api.py

@@ -4,8 +4,6 @@
 # works correctly
 #
 
-from __future__ import print_function
-
 import pytest
 
 import logging

subprojects/pyntcore/tests/test_util.py

@@ -27,7 +27,7 @@
 
 
 def test_ntproperty(nt: NetworkTableInstance):
-    class Foo(object):
+    class Foo:
         robotTime = ntproperty(
             "/SmartDashboard/robotTime", 0.0, writeDefault=False, inst=nt
         )
@@ -85,14 +85,14 @@ class Foo(object):
 def test_ntproperty_emptyarray(nt: NetworkTableInstance):
     with pytest.raises(TypeError):
 
-        class Foo1(object):
+        class Foo1:
             testArray = ntproperty(
                 "/SmartDashboard/testArray", [], writeDefault=True, inst=nt
             )
 
     with pytest.raises(TypeError):
 
-        class Foo2(object):
+        class Foo2:
             testArray = ntproperty(
                 "/SmartDashboard/testArray", [], writeDefault=False, inst=nt
             )
@@ -106,7 +106,7 @@ def test_ntproperty_multitest(nt: NetworkTableInstance):
     pyfrc tests
     """
 
-    class Foo(object):
+    class Foo:
         robotTime = ntproperty(
             "/SmartDashboard/robotTime", 0.0, writeDefault=False, inst=nt
         )

subprojects/robotpy-cscore/cscore/imagewriter.py

@@ -104,7 +104,7 @@ def location(self):
         if self._location is None:
             # This assures that we only log when a USB memory stick is plugged in
             if not os.path.exists(self.location_root):
-                raise IOError(
+                raise OSError(
                     "Logging disabled, %s does not exist" % self.location_root
                 )
 
@@ -139,7 +139,7 @@ def _run(self):
 
                 last = now
 
-        except IOError as e:
+        except OSError as e:
             logger.error("Error logging images: %s", e)
 
         logger.warn("Storage thread exited")

subprojects/robotpy-wpiutil/examples/printlog.py

@@ -60,7 +60,7 @@
                 # handle systemTime specially
                 if entry.name == "systemTime" and entry.type == "int64":
                     dt = datetime.fromtimestamp(record.getInteger() / 1000000)
-                    print("  {:%Y-%m-%d %H:%M:%S.%f}".format(dt))
+                    print(f"  {dt:%Y-%m-%d %H:%M:%S.%f}")
                     continue
 
                 if entry.type == "double":