agenda/web_view.py

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#!/usr/bin/python3
"""Web page to show upcoming events."""
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import inspect
import sys
import traceback
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from datetime import datetime
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import flask
import werkzeug
import werkzeug.debug.tbtools
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from agenda import get_data
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app = flask.Flask(__name__)
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app.debug = True
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@app.errorhandler(werkzeug.exceptions.InternalServerError)
def exception_handler(e: werkzeug.exceptions.InternalServerError) -> tuple[str, int]:
"""Handle exception."""
exec_type, exc_value, current_traceback = sys.exc_info()
assert exc_value
tb = werkzeug.debug.tbtools.DebugTraceback(exc_value)
summary = tb.render_traceback_html(include_title=False)
exc_lines = "".join(tb._te.format_exception_only())
last_frame = list(traceback.walk_tb(current_traceback))[-1][0]
last_frame_args = inspect.getargs(last_frame.f_code)
return (
flask.render_template(
"show_error.html",
plaintext=tb.render_traceback_text(),
exception=exc_lines,
exception_type=tb._te.exc_type.__name__,
summary=summary,
last_frame=last_frame,
last_frame_args=last_frame_args,
),
500,
)
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@app.route("/")
async def index() -> str:
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"""Index page."""
now = datetime.now()
data = await get_data(now)
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return flask.render_template("index.html", today=now.date(), **data)
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if __name__ == "__main__":
app.run(host="0.0.0.0")