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Direktori : /lib/python3.12/sqlite3/ |
Current File : //lib/python3.12/sqlite3/dbapi2.py |
# pysqlite2/dbapi2.py: the DB-API 2.0 interface # # Copyright (C) 2004-2005 Gerhard Häring <gh@ghaering.de> # # This file is part of pysqlite. # # This software is provided 'as-is', without any express or implied # warranty. In no event will the authors be held liable for any damages # arising from the use of this software. # # Permission is granted to anyone to use this software for any purpose, # including commercial applications, and to alter it and redistribute it # freely, subject to the following restrictions: # # 1. The origin of this software must not be misrepresented; you must not # claim that you wrote the original software. If you use this software # in a product, an acknowledgment in the product documentation would be # appreciated but is not required. # 2. Altered source versions must be plainly marked as such, and must not be # misrepresented as being the original software. # 3. This notice may not be removed or altered from any source distribution. import datetime import time import collections.abc from _sqlite3 import * from _sqlite3 import _deprecated_version _deprecated_names = frozenset({"version", "version_info"}) paramstyle = "qmark" apilevel = "2.0" Date = datetime.date Time = datetime.time Timestamp = datetime.datetime def DateFromTicks(ticks): return Date(*time.localtime(ticks)[:3]) def TimeFromTicks(ticks): return Time(*time.localtime(ticks)[3:6]) def TimestampFromTicks(ticks): return Timestamp(*time.localtime(ticks)[:6]) _deprecated_version_info = tuple(map(int, _deprecated_version.split("."))) sqlite_version_info = tuple([int(x) for x in sqlite_version.split(".")]) Binary = memoryview collections.abc.Sequence.register(Row) def register_adapters_and_converters(): from warnings import warn msg = ("The default {what} is deprecated as of Python 3.12; " "see the sqlite3 documentation for suggested replacement recipes") def adapt_date(val): warn(msg.format(what="date adapter"), DeprecationWarning, stacklevel=2) return val.isoformat() def adapt_datetime(val): warn(msg.format(what="datetime adapter"), DeprecationWarning, stacklevel=2) return val.isoformat(" ") def convert_date(val): warn(msg.format(what="date converter"), DeprecationWarning, stacklevel=2) return datetime.date(*map(int, val.split(b"-"))) def convert_timestamp(val): warn(msg.format(what="timestamp converter"), DeprecationWarning, stacklevel=2) datepart, timepart = val.split(b" ") year, month, day = map(int, datepart.split(b"-")) timepart_full = timepart.split(b".") hours, minutes, seconds = map(int, timepart_full[0].split(b":")) if len(timepart_full) == 2: microseconds = int('{:0<6.6}'.format(timepart_full[1].decode())) else: microseconds = 0 val = datetime.datetime(year, month, day, hours, minutes, seconds, microseconds) return val register_adapter(datetime.date, adapt_date) register_adapter(datetime.datetime, adapt_datetime) register_converter("date", convert_date) register_converter("timestamp", convert_timestamp) register_adapters_and_converters() # Clean up namespace del(register_adapters_and_converters) def __getattr__(name): if name in _deprecated_names: from warnings import warn warn(f"{name} is deprecated and will be removed in Python 3.14", DeprecationWarning, stacklevel=2) return globals()[f"_deprecated_{name}"] raise AttributeError(f"module {__name__!r} has no attribute {name!r}")