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1# __init__.py 

2# Copyright (C) 2005-2024 the SQLAlchemy authors and contributors 

3# <see AUTHORS file> 

4# 

5# This module is part of SQLAlchemy and is released under 

6# the MIT License: https://www.opensource.org/licenses/mit-license.php 

7 

8from __future__ import annotations 

9 

10from typing import Any 

11 

12from . import util as _util 

13from .engine import AdaptedConnection as AdaptedConnection 

14from .engine import BaseRow as BaseRow 

15from .engine import BindTyping as BindTyping 

16from .engine import ChunkedIteratorResult as ChunkedIteratorResult 

17from .engine import Compiled as Compiled 

18from .engine import Connection as Connection 

19from .engine import create_engine as create_engine 

20from .engine import create_mock_engine as create_mock_engine 

21from .engine import create_pool_from_url as create_pool_from_url 

22from .engine import CreateEnginePlugin as CreateEnginePlugin 

23from .engine import CursorResult as CursorResult 

24from .engine import Dialect as Dialect 

25from .engine import Engine as Engine 

26from .engine import engine_from_config as engine_from_config 

27from .engine import ExceptionContext as ExceptionContext 

28from .engine import ExecutionContext as ExecutionContext 

29from .engine import FrozenResult as FrozenResult 

30from .engine import Inspector as Inspector 

31from .engine import IteratorResult as IteratorResult 

32from .engine import make_url as make_url 

33from .engine import MappingResult as MappingResult 

34from .engine import MergedResult as MergedResult 

35from .engine import NestedTransaction as NestedTransaction 

36from .engine import Result as Result 

37from .engine import result_tuple as result_tuple 

38from .engine import ResultProxy as ResultProxy 

39from .engine import RootTransaction as RootTransaction 

40from .engine import Row as Row 

41from .engine import RowMapping as RowMapping 

42from .engine import ScalarResult as ScalarResult 

43from .engine import Transaction as Transaction 

44from .engine import TwoPhaseTransaction as TwoPhaseTransaction 

45from .engine import TypeCompiler as TypeCompiler 

46from .engine import URL as URL 

47from .inspection import inspect as inspect 

48from .pool import AssertionPool as AssertionPool 

49from .pool import AsyncAdaptedQueuePool as AsyncAdaptedQueuePool 

50from .pool import NullPool as NullPool 

51from .pool import Pool as Pool 

52from .pool import PoolProxiedConnection as PoolProxiedConnection 

53from .pool import PoolResetState as PoolResetState 

54from .pool import QueuePool as QueuePool 

55from .pool import SingletonThreadPool as SingletonThreadPool 

56from .pool import StaticPool as StaticPool 

57from .schema import BaseDDLElement as BaseDDLElement 

58from .schema import BLANK_SCHEMA as BLANK_SCHEMA 

59from .schema import CheckConstraint as CheckConstraint 

60from .schema import Column as Column 

61from .schema import ColumnDefault as ColumnDefault 

62from .schema import Computed as Computed 

63from .schema import Constraint as Constraint 

64from .schema import DDL as DDL 

65from .schema import DDLElement as DDLElement 

66from .schema import DefaultClause as DefaultClause 

67from .schema import ExecutableDDLElement as ExecutableDDLElement 

68from .schema import FetchedValue as FetchedValue 

69from .schema import ForeignKey as ForeignKey 

70from .schema import ForeignKeyConstraint as ForeignKeyConstraint 

71from .schema import Identity as Identity 

72from .schema import Index as Index 

73from .schema import insert_sentinel as insert_sentinel 

74from .schema import MetaData as MetaData 

75from .schema import PrimaryKeyConstraint as PrimaryKeyConstraint 

76from .schema import Sequence as Sequence 

77from .schema import Table as Table 

78from .schema import UniqueConstraint as UniqueConstraint 

79from .sql import ColumnExpressionArgument as ColumnExpressionArgument 

80from .sql import NotNullable as NotNullable 

81from .sql import Nullable as Nullable 

82from .sql import SelectLabelStyle as SelectLabelStyle 

83from .sql.expression import Alias as Alias 

84from .sql.expression import alias as alias 

85from .sql.expression import AliasedReturnsRows as AliasedReturnsRows 

86from .sql.expression import all_ as all_ 

87from .sql.expression import and_ as and_ 

88from .sql.expression import any_ as any_ 

89from .sql.expression import asc as asc 

90from .sql.expression import between as between 

91from .sql.expression import BinaryExpression as BinaryExpression 

92from .sql.expression import bindparam as bindparam 

93from .sql.expression import BindParameter as BindParameter 

94from .sql.expression import bitwise_not as bitwise_not 

95from .sql.expression import BooleanClauseList as BooleanClauseList 

96from .sql.expression import CacheKey as CacheKey 

97from .sql.expression import Case as Case 

98from .sql.expression import case as case 

99from .sql.expression import Cast as Cast 

100from .sql.expression import cast as cast 

101from .sql.expression import ClauseElement as ClauseElement 

102from .sql.expression import ClauseList as ClauseList 

103from .sql.expression import collate as collate 

104from .sql.expression import CollectionAggregate as CollectionAggregate 

105from .sql.expression import column as column 

106from .sql.expression import ColumnClause as ColumnClause 

107from .sql.expression import ColumnCollection as ColumnCollection 

108from .sql.expression import ColumnElement as ColumnElement 

109from .sql.expression import ColumnOperators as ColumnOperators 

110from .sql.expression import CompoundSelect as CompoundSelect 

111from .sql.expression import CTE as CTE 

112from .sql.expression import cte as cte 

113from .sql.expression import custom_op as custom_op 

114from .sql.expression import Delete as Delete 

115from .sql.expression import delete as delete 

116from .sql.expression import desc as desc 

117from .sql.expression import distinct as distinct 

118from .sql.expression import except_ as except_ 

119from .sql.expression import except_all as except_all 

120from .sql.expression import Executable as Executable 

121from .sql.expression import Exists as Exists 

122from .sql.expression import exists as exists 

123from .sql.expression import Extract as Extract 

124from .sql.expression import extract as extract 

125from .sql.expression import false as false 

126from .sql.expression import False_ as False_ 

127from .sql.expression import FromClause as FromClause 

128from .sql.expression import FromGrouping as FromGrouping 

129from .sql.expression import func as func 

130from .sql.expression import funcfilter as funcfilter 

131from .sql.expression import Function as Function 

132from .sql.expression import FunctionElement as FunctionElement 

133from .sql.expression import FunctionFilter as FunctionFilter 

134from .sql.expression import GenerativeSelect as GenerativeSelect 

135from .sql.expression import Grouping as Grouping 

136from .sql.expression import HasCTE as HasCTE 

137from .sql.expression import HasPrefixes as HasPrefixes 

138from .sql.expression import HasSuffixes as HasSuffixes 

139from .sql.expression import Insert as Insert 

140from .sql.expression import insert as insert 

141from .sql.expression import intersect as intersect 

142from .sql.expression import intersect_all as intersect_all 

143from .sql.expression import Join as Join 

144from .sql.expression import join as join 

145from .sql.expression import Label as Label 

146from .sql.expression import label as label 

147from .sql.expression import LABEL_STYLE_DEFAULT as LABEL_STYLE_DEFAULT 

148from .sql.expression import ( 

149 LABEL_STYLE_DISAMBIGUATE_ONLY as LABEL_STYLE_DISAMBIGUATE_ONLY, 

150) 

151from .sql.expression import LABEL_STYLE_NONE as LABEL_STYLE_NONE 

152from .sql.expression import ( 

153 LABEL_STYLE_TABLENAME_PLUS_COL as LABEL_STYLE_TABLENAME_PLUS_COL, 

154) 

155from .sql.expression import lambda_stmt as lambda_stmt 

156from .sql.expression import LambdaElement as LambdaElement 

157from .sql.expression import Lateral as Lateral 

158from .sql.expression import lateral as lateral 

159from .sql.expression import literal as literal 

160from .sql.expression import literal_column as literal_column 

161from .sql.expression import modifier as modifier 

162from .sql.expression import not_ as not_ 

163from .sql.expression import Null as Null 

164from .sql.expression import null as null 

165from .sql.expression import nulls_first as nulls_first 

166from .sql.expression import nulls_last as nulls_last 

167from .sql.expression import nullsfirst as nullsfirst 

168from .sql.expression import nullslast as nullslast 

169from .sql.expression import Operators as Operators 

170from .sql.expression import or_ as or_ 

171from .sql.expression import outerjoin as outerjoin 

172from .sql.expression import outparam as outparam 

173from .sql.expression import Over as Over 

174from .sql.expression import over as over 

175from .sql.expression import quoted_name as quoted_name 

176from .sql.expression import ReleaseSavepointClause as ReleaseSavepointClause 

177from .sql.expression import ReturnsRows as ReturnsRows 

178from .sql.expression import ( 

179 RollbackToSavepointClause as RollbackToSavepointClause, 

180) 

181from .sql.expression import SavepointClause as SavepointClause 

182from .sql.expression import ScalarSelect as ScalarSelect 

183from .sql.expression import Select as Select 

184from .sql.expression import select as select 

185from .sql.expression import Selectable as Selectable 

186from .sql.expression import SelectBase as SelectBase 

187from .sql.expression import SQLColumnExpression as SQLColumnExpression 

188from .sql.expression import StatementLambdaElement as StatementLambdaElement 

189from .sql.expression import Subquery as Subquery 

190from .sql.expression import table as table 

191from .sql.expression import TableClause as TableClause 

192from .sql.expression import TableSample as TableSample 

193from .sql.expression import tablesample as tablesample 

194from .sql.expression import TableValuedAlias as TableValuedAlias 

195from .sql.expression import text as text 

196from .sql.expression import TextAsFrom as TextAsFrom 

197from .sql.expression import TextClause as TextClause 

198from .sql.expression import TextualSelect as TextualSelect 

199from .sql.expression import true as true 

200from .sql.expression import True_ as True_ 

201from .sql.expression import try_cast as try_cast 

202from .sql.expression import TryCast as TryCast 

203from .sql.expression import Tuple as Tuple 

204from .sql.expression import tuple_ as tuple_ 

205from .sql.expression import type_coerce as type_coerce 

206from .sql.expression import TypeClause as TypeClause 

207from .sql.expression import TypeCoerce as TypeCoerce 

208from .sql.expression import UnaryExpression as UnaryExpression 

209from .sql.expression import union as union 

210from .sql.expression import union_all as union_all 

211from .sql.expression import Update as Update 

212from .sql.expression import update as update 

213from .sql.expression import UpdateBase as UpdateBase 

214from .sql.expression import Values as Values 

215from .sql.expression import values as values 

216from .sql.expression import ValuesBase as ValuesBase 

217from .sql.expression import Visitable as Visitable 

218from .sql.expression import within_group as within_group 

219from .sql.expression import WithinGroup as WithinGroup 

220from .types import ARRAY as ARRAY 

221from .types import BIGINT as BIGINT 

222from .types import BigInteger as BigInteger 

223from .types import BINARY as BINARY 

224from .types import BLOB as BLOB 

225from .types import BOOLEAN as BOOLEAN 

226from .types import Boolean as Boolean 

227from .types import CHAR as CHAR 

228from .types import CLOB as CLOB 

229from .types import DATE as DATE 

230from .types import Date as Date 

231from .types import DATETIME as DATETIME 

232from .types import DateTime as DateTime 

233from .types import DECIMAL as DECIMAL 

234from .types import DOUBLE as DOUBLE 

235from .types import Double as Double 

236from .types import DOUBLE_PRECISION as DOUBLE_PRECISION 

237from .types import Enum as Enum 

238from .types import FLOAT as FLOAT 

239from .types import Float as Float 

240from .types import INT as INT 

241from .types import INTEGER as INTEGER 

242from .types import Integer as Integer 

243from .types import Interval as Interval 

244from .types import JSON as JSON 

245from .types import LargeBinary as LargeBinary 

246from .types import NCHAR as NCHAR 

247from .types import NUMERIC as NUMERIC 

248from .types import Numeric as Numeric 

249from .types import NVARCHAR as NVARCHAR 

250from .types import PickleType as PickleType 

251from .types import REAL as REAL 

252from .types import SMALLINT as SMALLINT 

253from .types import SmallInteger as SmallInteger 

254from .types import String as String 

255from .types import TEXT as TEXT 

256from .types import Text as Text 

257from .types import TIME as TIME 

258from .types import Time as Time 

259from .types import TIMESTAMP as TIMESTAMP 

260from .types import TupleType as TupleType 

261from .types import TypeDecorator as TypeDecorator 

262from .types import Unicode as Unicode 

263from .types import UnicodeText as UnicodeText 

264from .types import UUID as UUID 

265from .types import Uuid as Uuid 

266from .types import VARBINARY as VARBINARY 

267from .types import VARCHAR as VARCHAR 

268 

269__version__ = "2.1.0b1" 

270 

271 

272def __go(lcls: Any) -> None: 

273 _util.preloaded.import_prefix("sqlalchemy") 

274 

275 from . import exc 

276 

277 exc._version_token = "".join(__version__.split(".")[0:2]) 

278 

279 

280__go(locals()) 

281 

282 

283def __getattr__(name: str) -> Any: 

284 if name == "SingleonThreadPool": 

285 _util.warn_deprecated( 

286 "SingleonThreadPool was a typo in the v2 series. " 

287 "Please use the correct SingletonThreadPool name.", 

288 "2.0.24", 

289 ) 

290 return SingletonThreadPool 

291 raise AttributeError(f"module {__name__!r} has no attribute {name!r}")