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104 lines
3.2 KiB
Python
104 lines
3.2 KiB
Python
# pysqlite2/dbapi2.py: the DB-API 2.0 interface
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#
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# Copyright (C) 2004-2005 Gerhard Häring <gh@ghaering.de>
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#
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# This file is part of pysqlite.
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#
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# This software is provided 'as-is', without any express or implied
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# warranty. In no event will the authors be held liable for any damages
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# arising from the use of this software.
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#
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# Permission is granted to anyone to use this software for any purpose,
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# including commercial applications, and to alter it and redistribute it
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# freely, subject to the following restrictions:
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#
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# 1. The origin of this software must not be misrepresented; you must not
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# claim that you wrote the original software. If you use this software
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# in a product, an acknowledgment in the product documentation would be
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# appreciated but is not required.
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# 2. Altered source versions must be plainly marked as such, and must not be
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# misrepresented as being the original software.
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# 3. This notice may not be removed or altered from any source distribution.
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import datetime
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import time
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import collections.abc
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from _sqlite3 import *
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paramstyle = "qmark"
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threadsafety = 1
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apilevel = "2.0"
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Date = datetime.date
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Time = datetime.time
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Timestamp = datetime.datetime
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def DateFromTicks(ticks):
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return Date(*time.localtime(ticks)[:3])
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def TimeFromTicks(ticks):
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return Time(*time.localtime(ticks)[3:6])
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def TimestampFromTicks(ticks):
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return Timestamp(*time.localtime(ticks)[:6])
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version_info = tuple([int(x) for x in version.split(".")])
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sqlite_version_info = tuple([int(x) for x in sqlite_version.split(".")])
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Binary = memoryview
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collections.abc.Sequence.register(Row)
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def register_adapters_and_converters():
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def adapt_date(val):
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return val.isoformat()
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def adapt_datetime(val):
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return val.isoformat(" ")
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def convert_date(val):
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return datetime.date(*map(int, val.split(b"-")))
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def convert_timestamp(val):
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datepart, timepart = val.split(b" ")
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year, month, day = map(int, datepart.split(b"-"))
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timepart_full = timepart.split(b".")
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hours, minutes, seconds = map(int, timepart_full[0].split(b":"))
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if len(timepart_full) == 2:
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microseconds = int('{:0<6.6}'.format(timepart_full[1].decode()))
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else:
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microseconds = 0
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val = datetime.datetime(year, month, day, hours, minutes, seconds, microseconds)
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return val
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register_adapter(datetime.date, adapt_date)
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register_adapter(datetime.datetime, adapt_datetime)
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register_converter("date", convert_date)
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register_converter("timestamp", convert_timestamp)
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register_adapters_and_converters()
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# bpo-24464: enable_shared_cache was deprecated in Python 3.10. It's
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# scheduled for removal in Python 3.12.
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def enable_shared_cache(enable):
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from _sqlite3 import enable_shared_cache as _old_enable_shared_cache
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import warnings
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msg = (
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"enable_shared_cache is deprecated and will be removed in Python 3.12. "
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"Shared cache is strongly discouraged by the SQLite 3 documentation. "
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"If shared cache must be used, open the database in URI mode using"
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"the cache=shared query parameter."
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)
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warnings.warn(msg, DeprecationWarning, stacklevel=2)
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return _old_enable_shared_cache(enable)
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# Clean up namespace
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del(register_adapters_and_converters)
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