Enhance Avisynth video workflow and metadata tools

photo_metadata.py

@@ -24,7 +24,7 @@ from datetime import datetime, timedelta, timezone
 from pathlib import Path
 from typing import Iterable
 
-from tools.console import pause_if_interactive, prompt_input
+from tools.console import pause_if_interactive, prompt_input, prompt_yes_no as ask_yes_no
 from tools.exiftool import require_exiftool, run_exiftool_json, run_exiftool_write
 from tools.filenames import (
     format_filename_stem,
@@ -40,6 +40,7 @@ from tools.filesystem import (
     remove_empty_dirs,
     unique_existing_target,
 )
+from tools.timezones import parse_timezone_offset, timezone_to_string
 
 
 IMAGE_EXTS = {".jpg", ".jpeg", ".heic", ".arw"}
@@ -96,7 +97,6 @@ DATETIME_RE = re.compile(
 TIME_ONLY_RE = re.compile(
     r"^(?P<h>\d{1,2})(?::?(?P<m>\d{2}))(?::?(?P<s>\d{2}))?$"
 )
-TZ_RE = re.compile(r"^(?P<sign>[+-])(?P<h>\d{1,2})(?::?(?P<m>\d{2}))?$")
 OFFSET_RE = re.compile(r"^([+-])(?:(\d+):)?(\d{1,2})(?::(\d{2}))?$")
 TOKEN_SHIFT_RE = re.compile(r"(\d+|[a-zA-Z]+)")
 ORDERED_TIMESTAMP_STEM_RE = re.compile(r"^(?P<timestamp>\d{8}_\d{6})-[1-9]\d*$")
@@ -195,19 +195,6 @@ class UserChoices:
     apply_filename_timestamps: bool
 
 
-def ask_yes_no(prompt: str, default: bool) -> bool:
-    suffix = "Y/n" if default else "y/N"
-    while True:
-        answer = prompt_input(f"{prompt} ({suffix}) ").strip().lower()
-        if not answer:
-            return default
-        if answer in {"y", "yes"}:
-            return True
-        if answer in {"n", "no"}:
-            return False
-        print("Please answer y or n.")
-
-
 def ask_group_min_size() -> int:
     while True:
         answer = prompt_input(
@@ -225,28 +212,6 @@ def ask_group_min_size() -> int:
         print("Please answer y, n, or an integer minimum group size.")
 
 
-def parse_timezone_offset(value: str) -> timezone:
-    match = TZ_RE.match(value.strip())
-    if not match:
-        raise ValueError("timezone must look like +09:00 or -05:30")
-    sign = 1 if match.group("sign") == "+" else -1
-    hours = int(match.group("h"))
-    minutes = int(match.group("m") or "0")
-    if minutes not in {0, 15, 30, 45}:
-        raise ValueError("timezone minutes must be 00, 15, 30, or 45")
-    return timezone(sign * timedelta(hours=hours, minutes=minutes))
-
-
-def timezone_to_string(tz: timezone) -> str:
-    offset = tz.utcoffset(None)
-    if offset is None:
-        return "+00:00"
-    total_minutes = int(offset.total_seconds() // 60)
-    sign = "+" if total_minutes >= 0 else "-"
-    total_minutes = abs(total_minutes)
-    return f"{sign}{total_minutes // 60:02d}:{total_minutes % 60:02d}"
-
-
 def parse_datetime(value: str, default_date: datetime | None = None) -> datetime:
     text = value.strip()
     match = DATETIME_RE.search(text)