Enable ruff DTZ005 rule (#11327)

* Enable ruff DTZ005 rule

* Fix other/gauss_easter.py

* Fix

* Fix web_programming/instagram_pic.py

* Fix web_programming/instagram_video.py

* Apply suggestions from code review

* Update instagram_pic.py

* datetime.now(tz=UTC).astimezone()

* .astimezone()

* Fix

---------

Co-authored-by: Christian Clauss <cclauss@me.com>

other/gauss_easter.py

@@ -55,6 +55,6 @@ def gauss_easter(year: int) -> datetime:
 
 
 if __name__ == "__main__":
-    for year in (1994, 2000, 2010, 2021, 2023):
-        tense = "will be" if year > datetime.now().year else "was"
+    for year in (1994, 2000, 2010, 2021, 2023, 2032, 2100):
+        tense = "will be" if year > datetime.now(tz=UTC).year else "was"
         print(f"Easter in {year} {tense} {gauss_easter(year)}")

pyproject.toml

@@ -2,7 +2,6 @@
 lint.ignore = [    # `ruff rule S101` for a description of that rule
   "B904",     # Within an `except` clause, raise exceptions with `raise ... from err` -- FIX ME
   "B905",     # `zip()` without an explicit `strict=` parameter -- FIX ME
-  "DTZ005",   # The use of `datetime.datetime.now()` without `tzinfo` argument is not allowed -- FIX ME
   "E741",     # Ambiguous variable name 'l' -- FIX ME
   "EM101",    # Exception must not use a string literal, assign to variable first
   "EXE001",   # Shebang is present but file is not executable" -- FIX ME

web_programming/instagram_pic.py

@@ -1,4 +1,4 @@
-from datetime import datetime
+from datetime import UTC, datetime
 
 import requests
 from bs4 import BeautifulSoup
@@ -36,7 +36,7 @@ def download_image(url: str) -> str:
     if not image_data:
         return f"Failed to download the image from {image_url}."
 
-    file_name = f"{datetime.now():%Y-%m-%d_%H:%M:%S}.jpg"
+    file_name = f"{datetime.now(tz=UTC).astimezone():%Y-%m-%d_%H:%M:%S}.jpg"
     with open(file_name, "wb") as out_file:
         out_file.write(image_data)
     return f"Image downloaded and saved in the file {file_name}"

web_programming/instagram_video.py

@@ -1,4 +1,4 @@
-from datetime import datetime
+from datetime import UTC, datetime
 
 import requests
 
@@ -11,7 +11,7 @@ def download_video(url: str) -> bytes:
 
 if __name__ == "__main__":
     url = input("Enter Video/IGTV url: ").strip()
-    file_name = f"{datetime.now():%Y-%m-%d_%H:%M:%S}.mp4"
+    file_name = f"{datetime.now(tz=UTC).astimezone():%Y-%m-%d_%H:%M:%S}.mp4"
     with open(file_name, "wb") as fp:
         fp.write(download_video(url))
     print(f"Done. Video saved to disk as {file_name}.")