|
| 1 | +# type: ignore |
| 2 | + |
| 3 | +""" |
| 4 | +https://github.com/WolfgangFahl/pyLoDStorage/issues/127 |
| 5 | +https://docs.python.org/3/library/sqlite3.html#adapter-and-converter-recipes |
| 6 | +
|
| 7 | +fix: DeprecationWarning: The default date converter is deprecated as of Python 3.12; |
| 8 | + see the sqlite3 documentation for suggested replacement recipes |
| 9 | +""" |
| 10 | + |
| 11 | +import datetime |
| 12 | +import sqlite3 |
| 13 | + |
| 14 | + |
| 15 | +def adapt_date_iso(val): |
| 16 | + """Adapt datetime.date to ISO 8601 date.""" |
| 17 | + return val.isoformat() |
| 18 | + |
| 19 | + |
| 20 | +def adapt_datetime_iso(val): |
| 21 | + """Adapt datetime.datetime to timezone-naive ISO 8601 date.""" |
| 22 | + return val.isoformat() |
| 23 | + |
| 24 | + |
| 25 | +def adapt_datetime_epoch(val): |
| 26 | + """Adapt datetime.datetime to Unix timestamp.""" |
| 27 | + return int(val.timestamp()) |
| 28 | + |
| 29 | + |
| 30 | +sqlite3.register_adapter(datetime.date, adapt_date_iso) |
| 31 | +sqlite3.register_adapter(datetime.datetime, adapt_datetime_iso) |
| 32 | +sqlite3.register_adapter(datetime.datetime, adapt_datetime_epoch) |
| 33 | + |
| 34 | + |
| 35 | +def convert_date(val): |
| 36 | + """Convert ISO 8601 date to datetime.date object.""" |
| 37 | + return datetime.date.fromisoformat(val.decode()) |
| 38 | + |
| 39 | + |
| 40 | +def convert_datetime(val): |
| 41 | + """Convert ISO 8601 datetime to datetime.datetime object.""" |
| 42 | + return datetime.datetime.fromisoformat(val.decode()) |
| 43 | + |
| 44 | + |
| 45 | +def convert_timestamp(val): |
| 46 | + """Convert Unix epoch timestamp to datetime.datetime object.""" |
| 47 | + return datetime.datetime.fromtimestamp(int(val)) # noqa: DTZ006 |
| 48 | + |
| 49 | + |
| 50 | +sqlite3.register_converter('date', convert_date) |
| 51 | +sqlite3.register_converter('datetime', convert_datetime) |
| 52 | +sqlite3.register_converter('timestamp', convert_timestamp) |
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