Enable ruff DTZ rules

pyproject.toml

@@ -52,7 +52,7 @@ extend-select = [
     "FBT",
     "A",
     "C4",
-    # "DTZ",
+    "DTZ",
     "ISC",
     "LOG",
     "INP",

src/pyzet/constants.py

@@ -15,6 +15,7 @@
 ZETDIR = 'docs'
 ZETTEL_FILENAME = 'README.md'
 
+PRETTY_DATETIME_FORMAT = '%Y-%m-%d %H:%M:%S'
 ZULU_DATETIME_FORMAT = '%Y%m%d%H%M%S'
 ZULU_FORMAT_LEN = 14
 

src/pyzet/ops.py

@@ -12,6 +12,7 @@
 import subprocess
 from collections import Counter
 from datetime import datetime
+from datetime import timezone
 from glob import glob
 from pathlib import Path
 from typing import TYPE_CHECKING
@@ -91,7 +92,7 @@ def _is_empty(folder: Path) -> bool:
 
 def add_zettel(config: Config) -> int:
     """Adds zettel and commits changes with zettel title as the message."""
-    id_ = datetime.utcnow().strftime(C.ZULU_DATETIME_FORMAT)
+    id_ = datetime.now(tz=timezone.utc).strftime(C.ZULU_DATETIME_FORMAT)
 
     zettel_dir = Path(config.repo, C.ZETDIR, id_)
     zettel_dir.mkdir(parents=True, exist_ok=True)

src/pyzet/utils.py

@@ -9,6 +9,7 @@
 import sys
 from argparse import ArgumentParser
 from datetime import datetime
+from datetime import timezone
 from typing import TYPE_CHECKING
 from typing import Iterable
 
@@ -153,7 +154,9 @@ def valid_id(id_: str) -> str:
             f"'{id_}' is not a valid zettel id ({_get_id_err_details(id_)})"
         )
     try:
-        datetime.strptime(id_, C.ZULU_DATETIME_FORMAT)
+        datetime.strptime(id_, C.ZULU_DATETIME_FORMAT).replace(
+            tzinfo=timezone.utc
+        )
     except ValueError:
         raise argparse.ArgumentTypeError(f"'{id_}' is not a valid zettel id")
     else:

src/pyzet/zettel.py

@@ -5,6 +5,7 @@
 import re
 import subprocess
 from datetime import datetime
+from datetime import timezone
 from pathlib import Path
 from typing import TYPE_CHECKING
 from typing import NamedTuple
@@ -184,9 +185,13 @@ def get_repr(zet: Zettel, args: Namespace) -> str:
     return f'{zet.id} -- {zet.title}{tags}'
 
 
-def get_timestamp(id_: str) -> datetime:
-    """Parses zettel ID into a datetime object."""
-    return datetime.strptime(id_, C.ZULU_DATETIME_FORMAT)
+def get_timestamp(id_: str) -> str:
+    """Parses zettel ID into a `YYYY-MM-DD HH:MM:SS` str."""
+    return (
+        datetime.strptime(id_, C.ZULU_DATETIME_FORMAT)
+        .replace(tzinfo=timezone.utc)
+        .strftime(C.PRETTY_DATETIME_FORMAT)
+    )
 
 
 def get_md_link(zet: Zettel) -> str: