70d3247e8c
* Added constraints, fixed themes for timewarp * Updated progress to use rich_progress * Added --function to timewarp, #676
47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
"""Example function for use with `osxphotos timewarp --function`
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Call this as: `osxphotos timewarp --function timewarp_function_example.py::get_date_time_timezone`
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"""
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from datetime import datetime, timedelta
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from typing import Callable, Optional, Tuple
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from photoscript import Photo
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def get_date_time_timezone(
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photo: Photo, path: Optional[str], tz_sec: int, tz_name: str, verbose: Callable
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) -> Tuple[datetime, int]:
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"""Example function for use with `osxphotos timewarp --function`
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Args:
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photo: Photo object
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path: path to photo, which may be None if photo is not on disk
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tz_sec: timezone offset from UTC in seconds
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tz_name: timezone name
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verbose: function to print verbose messages
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Returns:
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tuple of (new date/time as datetime.datetime, and new timezone offset from UTC in seconds as int)
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"""
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# this example adds 3 hours to the date/time and subtracts 1 hour from the timezone
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# the photo's date/time can be accessed as photo.date
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# photo.date is a datetime.datetime object
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# the date/time is naive (timezone unaware) as will be in local timezone
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date = photo.date
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# add 3 hours
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date = date + timedelta(hours=3)
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# subtract 1 hour from timezone
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timezone = tz_sec - 3600
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# verbose(msg) prints a message to the console if user used --verbose option
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# otherwise it does nothing
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# photo's filename can be access as photo.filename
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verbose(f"Updating {photo.filename} date/time: {date} and timezone: {timezone}")
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return date, timezone
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