cli: fix/remove datetime timezone warnings

Author: wowi42

pyproject.toml

@@ -120,6 +120,8 @@ files = "src/pyinfra,src/pyinfra_cli"
 [tool.pytest.ini_options]
 # Skip end-to-end tests by default
 addopts = "-m'not end_to_end'"
+# Ignore TestGenerator from testgen package to avoid collection warnings
+python_classes = "Test* !TestGenerator"
 markers = [
     "end_to_end",
     "end_to_end_docker",

src/pyinfra/facts/files.py

@@ -11,7 +11,7 @@
 import re
 import shlex
 import stat
-from datetime import datetime
+from datetime import datetime, timezone
 from typing import TYPE_CHECKING, List, Optional, Tuple, Union
 
 from typing_extensions import Literal, NotRequired, TypedDict, override
@@ -86,7 +86,7 @@ def _parse_mode(mode: str) -> int:
 def _parse_datetime(value: str) -> Optional[datetime]:
     value = try_int(value)
     if isinstance(value, int):
-        return datetime.utcfromtimestamp(value)
+        return datetime.fromtimestamp(value, timezone.utc).replace(tzinfo=None)
     return None
 
 

tests/test_cli/test_cli_util.py

@@ -1,6 +1,6 @@
 import os
 import sys
-from datetime import datetime
+from datetime import datetime, timezone
 from io import StringIO
 from unittest import TestCase
 
@@ -17,7 +17,7 @@ def test_json_encode_function(self):
         assert json_encode(get_func_and_args) == "Function: get_func_and_args"
 
     def test_json_encode_datetime(self):
-        now = datetime.utcnow()
+        now = datetime.now(timezone.utc)
         assert json_encode(now) == now.isoformat()
 
     def test_json_encode_file(self):