Files
RustPython/Lib/sqlite3/dbapi2.py
Steve Shi 765933136c Implement Sqlite3 Module (#4260)
* add supporting for PyAtomic<PyObject>

* create sqlite module

* add dependency sqlite3-sys

* add module constants

* import sqlite3 from cpython

* adjust lib

* add module structure

* impl Connection.cursor

* add module exceptions

* impl lstrip_sql

* impl statement new

* wip cursor.execute

* wip cursor

* wip error to exception

* add SqliteRaw and SqliteStatementRaw

* impl statement parameters binding

* wip cursor.execute

* add test_sqlite

* impl closeable connection

* impl closeable cursor

* impl cursor.executemany

* impl cursor.executescript

* impl cursor.fetch*

* impl connection.backup

* stage 1

* add support connection.backup with progress

* fix backup deadlock

* support changable isolation_level

* impl converter

* impl adapter

* impl text_factory and blob

* impl create_function

* impl create_function 2

* fix empty statement

* impl blob support

* impl create_aggregate

* impl create_aggregate 2

* refactor create_*

* impl enable_callback_traceback

* impl create_collation

* refactor create_* with CallbackData

* fix text and blob use SQLITE_TRANSIENT

* fix str to SQLITE_TEXT

* impl thread check

* impl Connection Factory

* impl busy timeout

* shift sqlite3-sys -> libsqlite3-sys

* refactor CallbackData

* impl create_window_function

* refactor callback functions

* add module attr converters

* fix nullable isolation_level

* add module attr adapters

* fix nullable adapt proto

* impl set_authorizer

* impl trace_callback

* impl set_progress_handler

* impl cancellable sqlite function*

* impl attributes for Connection

* fix some failed tests

* impl Row

* impl Blob methods

* impl Blob subscript & ass_subscript

* pass tests

* rebase

* no sqlite for wasm

* use ThreadId instead u64

* no libsqlite3-sys for wasm

* fix into_cstring for all platform

* fixup

* rebase

* fix windows into_bytes

* disable sqlite for android

* fixup
2023-01-07 22:03:24 +02:00

109 lines
3.5 KiB
Python
Vendored

# 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}")