forked from orbit-oss/flask
88 lines
2.1 KiB
Python
88 lines
2.1 KiB
Python
from __future__ import annotations
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import typing as t
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from http import HTTPStatus
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from flask import Flask
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from flask import jsonify
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from flask import stream_template
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from flask.templating import render_template
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from flask.views import View
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from flask.wrappers import Response
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app = Flask(__name__)
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@app.route("/str")
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def hello_str() -> str:
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return "<p>Hello, World!</p>"
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@app.route("/bytes")
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def hello_bytes() -> bytes:
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return b"<p>Hello, World!</p>"
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@app.route("/json")
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def hello_json() -> Response:
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return jsonify({"response": "Hello, World!"})
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@app.route("/generator")
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def hello_generator() -> t.Generator[str, None, None]:
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def show() -> t.Generator[str, None, None]:
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for x in range(100):
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yield f"data:{x}\n\n"
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return show()
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@app.route("/generator-expression")
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def hello_generator_expression() -> t.Iterator[bytes]:
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return (f"data:{x}\n\n".encode() for x in range(100))
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@app.route("/iterator")
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def hello_iterator() -> t.Iterator[str]:
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return iter([f"data:{x}\n\n" for x in range(100)])
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@app.route("/status")
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@app.route("/status/<int:code>")
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def tuple_status(code: int = 200) -> tuple[str, int]:
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return "hello", code
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@app.route("/status-enum")
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def tuple_status_enum() -> tuple[str, int]:
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return "hello", HTTPStatus.OK
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@app.route("/headers")
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def tuple_headers() -> tuple[str, dict[str, str]]:
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return "Hello, World!", {"Content-Type": "text/plain"}
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@app.route("/template")
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@app.route("/template/<name>")
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def return_template(name: str | None = None) -> str:
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return render_template("index.html", name=name)
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@app.route("/template")
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def return_template_stream() -> t.Iterator[str]:
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return stream_template("index.html", name="Hello")
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class RenderTemplateView(View):
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def __init__(self: RenderTemplateView, template_name: str) -> None:
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self.template_name = template_name
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def dispatch_request(self: RenderTemplateView) -> str:
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return render_template(self.template_name)
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app.add_url_rule(
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"/about",
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view_func=RenderTemplateView.as_view("about_page", template_name="about.html"),
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)
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