Python Pyramid框架应用场景及高级特性实战

pip install "pyramid==2.0"

from pyramid.config import Configurator
from pyramid.response import Response
from wsgiref.simple_server import make_server
def hello_world(request):
    return Response("Hello, Pyramid!")
if __name__ == "__main__":
    with Configurator() as config:
        config.add_route("hello", "/hello")
        config.add_view(hello_world, route_name="hello")
        app = config.make_wsgi_app()
    server = make_server("0.0.0.0", 6543, app)
    print("Server running on http://0.0.0.0:6543")
    server.serve_forever()

from pyramid.view import view_config

@view_config(route_name="greet", renderer="json")
def greet(request):
    name = request.matchdict.get("name", "Guest")
    return {"message": f"Hello, {name}!"}

from sqlalchemy import Column, Integer, String, create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
Base = declarative_base()
class User(Base):
    __tablename__ = "users"
    id = Column(Integer, primary_key=True)
    name = Column(String)
engine = create_engine("sqlite:///:memory:")
Base.metadata.create_all(engine)
Session = sessionmaker(bind=engine)
session = Session()
# 添加用户
user = User(name="John Doe")
session.add(user)
session.commit()
# 查询用户
queried_user = session.query(User).filter_by(name="John Doe").first()
print(f"Queried User: {queried_user.name}")

from pyramid.config import Configurator
from pyramid.response import Response
def hello_world(request):
    return Response("Hello, Pyramid!")
if __name__ == "__main__":
    with Configurator() as config:
        config.add_route("hello", "/hello")
        config.add_view(hello_world, route_name="hello")
        # 使用调试工具插件
        config.include("pyramid_debugtoolbar")
        config.add_settings({"debugtoolbar.hosts": ["0.0.0.0/0"]})
        app = config.make_wsgi_app()
    server = make_server("0.0.0.0", 6543, app)
    print("Server running on http://0.0.0.0:6543")
    server.serve_forever()

from pyramid.config import Configurator
from pyramid.view import view_config
@view_config(route_name="login", renderer="json")
def login(request):
    username = request.params.get("username")
    password = request.params.get("password")
    # 简化示例，实际中需进行真实认证
    if username == "admin" and password == "admin123":
        request.authenticated_userid = username
        return {"message": "Login successful!"}
    else:
        return {"message": "Login failed."}
@view_config(route_name="protected", renderer="json", permission="authenticated")
def protected(request):
    return {"message": "This is a protected resource."}