SQLAlchemy

import sqlalchemy

from sqlalchemy import create_engine, MetaData, Table, Column, Integer, String, select, insert, update, delete

from sqlalchemy import create_engine
from sqlalchemy.orm import declarative_base, sessionmaker, Session, relationship

from sqlalchemy import create_engine
from sqlalchemy.orm import DeclarativeBase, mapped_column, Mapped, Session

from sqlalchemy import create_engine, MetaData, Table, Column, Integer, String, select

# Create engine and define table
engine = create_engine("sqlite:///example.db")
metadata = MetaData()

users = Table('users', metadata,
    Column('id', Integer, primary_key=True),
    Column('name', String(50)),
    Column('email', String(100))
)

# Create table
metadata.create_all(engine)

# Execute queries
with engine.connect() as conn:
    # Insert data
    result = conn.execute(
        users.insert().values(name='John Doe', email='john@example.com')
    )
    
    # Select data
    result = conn.execute(select(users).where(users.c.name == 'John Doe'))
    row = result.fetchone()
    print(f"User: {row.name}, Email: {row.email}")

from sqlalchemy import create_engine, String, Integer
from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, Session

# Define base and model
class Base(DeclarativeBase):
    pass

class User(Base):
    __tablename__ = 'users'
    
    id: Mapped[int] = mapped_column(primary_key=True)
    name: Mapped[str] = mapped_column(String(50))
    email: Mapped[str] = mapped_column(String(100))

# Create engine and tables
engine = create_engine("sqlite:///example.db")
Base.metadata.create_all(engine)

# Use session for ORM operations
with Session(engine) as session:
    # Create and add new user
    new_user = User(name="Jane Smith", email="jane@example.com")
    session.add(new_user)
    session.commit()
    
    # Query users
    users = session.query(User).filter(User.name.like('%Jane%')).all()
    for user in users:
        print(f"User: {user.name}, Email: {user.email}")

def create_engine(url, **kwargs): ...
def make_url(name_or_url): ...

class Engine:
    def connect(self): ...
    def execute(self, statement, parameters=None): ...

class Connection:
    def execute(self, statement, parameters=None): ...
    def begin(self): ...
    def commit(self): ...
    def rollback(self): ...

def select(*columns): ...
def insert(table): ...
def update(table): ...
def delete(table): ...

def and_(*clauses): ...
def or_(*clauses): ...
def not_(clause): ...

class Select:
    def where(self, *criteria): ...
    def join(self, target, onclause=None): ...
    def order_by(self, *clauses): ...
    def group_by(self, *clauses): ...

class DeclarativeBase: ...
def declarative_base(): ...

class Session:
    def add(self, instance): ...
    def query(self, *entities): ...
    def commit(self): ...
    def rollback(self): ...

def relationship(argument, **kwargs): ...
def mapped_column(*args, **kwargs): ...

class MetaData:
    def create_all(self, bind): ...
    def reflect(self, bind): ...

class Table:
    def __init__(self, name, metadata, *args, **kwargs): ...

class Column:
    def __init__(self, *args, **kwargs): ...

class Index:
    def __init__(self, name, *expressions, **kwargs): ...

class Integer: ...
class String: ...
class DateTime: ...
class Boolean: ...
class JSON: ...

class TypeDecorator:
    def process_bind_param(self, value, dialect): ...
    def process_result_value(self, value, dialect): ...

# PostgreSQL
from sqlalchemy.dialects.postgresql import ARRAY, JSON, UUID

# MySQL  
from sqlalchemy.dialects.mysql import MEDIUMINT, SET

# SQLite
from sqlalchemy.dialects.sqlite import JSON

async def create_async_engine(url, **kwargs): ...

class AsyncEngine:
    async def connect(self): ...

class AsyncSession:
    async def commit(self): ...
    async def execute(self, statement): ...

# Association proxy for simplified relationship access
from sqlalchemy.ext.associationproxy import association_proxy

# Hybrid properties for computed attributes
from sqlalchemy.ext.hybrid import hybrid_property, hybrid_method

# Mutable tracking for container types
from sqlalchemy.ext.mutable import Mutable, MutableDict, MutableList, MutableSet

# Automap for automatic class generation from schema
from sqlalchemy.ext.automap import automap_base

# Compiler extensions for custom SQL constructs
from sqlalchemy.ext.compiler import compiles, deregister

# Horizontal sharding support
from sqlalchemy.ext.horizontal_shard import ShardedQuery, ShardedSession

# Other utilities
from sqlalchemy.ext.indexable import index_property
from sqlalchemy.ext.orderinglist import ordering_list
from sqlalchemy.ext.serializer import loads, dumps

from sqlalchemy import event

# Event registration
def listen(target, identifier, fn, **kwargs): ...
def listens_for(target, identifier, **kwargs): ...  # decorator
def remove(target, identifier, fn): ...
def contains(target, identifier, fn): ...

# Engine and connection events
class PoolEvents:
    def connect(self, dbapi_connection, connection_record): ...
    def first_connect(self, dbapi_connection, connection_record): ...
    def checkout(self, dbapi_connection, connection_record, connection_proxy): ...
    def checkin(self, dbapi_connection, connection_record): ...
    def close(self, dbapi_connection, connection_record): ...

class ConnectionEvents:
    def before_cursor_execute(self, conn, cursor, statement, parameters, context, executemany): ...
    def after_cursor_execute(self, conn, cursor, statement, parameters, context, executemany): ...
    def begin(self, conn): ...
    def commit(self, conn): ...
    def rollback(self, conn): ...

# ORM events
class SessionEvents:
    def before_commit(self, session): ...
    def after_commit(self, session): ...
    def after_transaction_create(self, session, transaction): ...
    def before_flush(self, session, flush_context, instances): ...
    def after_flush(self, session, flush_context): ...

class MapperEvents:
    def before_insert(self, mapper, connection, target): ...
    def after_insert(self, mapper, connection, target): ...
    def before_update(self, mapper, connection, target): ...
    def after_update(self, mapper, connection, target): ...
    def before_delete(self, mapper, connection, target): ...
    def after_delete(self, mapper, connection, target): ...

class AttributeEvents:
    def set(self, target, value, oldvalue, initiator): ...
    def append(self, target, value, initiator): ...
    def remove(self, target, value, initiator): ...

# Base exceptions
class SQLAlchemyError(Exception): ...
class ArgumentError(SQLAlchemyError): ...
class InvalidRequestError(SQLAlchemyError): ...
class CompileError(SQLAlchemyError): ...

# Database API errors  
class DBAPIError(SQLAlchemyError): ...
class IntegrityError(DBAPIError): ...
class OperationalError(DBAPIError): ...
class ProgrammingError(DBAPIError): ...
class DataError(DBAPIError): ...
class InterfaceError(DBAPIError): ...
class DatabaseError(DBAPIError): ...
class InternalError(DBAPIError): ...
class NotSupportedError(DBAPIError): ...

def inspect(subject):
    """
    Provide an inspection interface for various SQLAlchemy objects.
    
    Parameters:
    - subject: Object to inspect (Engine, Connection, mapped class, etc.)
    
    Returns:
    Inspector or other inspection interface for the subject
    """

from typing import Any, Optional, Union, Dict

# URL and connectivity
class URL:
    def __init__(self, drivername: str, **kwargs): ...
    
# Engine types
EngineType = Union[Engine, AsyncEngine]
ConnectArgs = Dict[str, Any]

# Result types
Row = Any  # Row-like object with column access
Result = Any  # Query result iterator

from typing import TypeVar, Type, List

# Generic mapped class type
_T = TypeVar('_T')
MappedClassType = Type[_T]

# Relationship types
RelationshipProperty = Any
MappedCollection = List[Any]