From ba0eccc8d6a09b761628a03ba14ef49b8ac1b22c Mon Sep 17 00:00:00 2001 From: Edward Betts Date: Mon, 15 Aug 2022 17:56:21 +0100 Subject: [PATCH] Show software errors as web page --- templates/base.html | 32 +++++++++++++++++++++++++++ templates/navbar.html | 46 +++++++++++++++++++++++++++++++++++++++ templates/show_error.html | 30 +++++++++++++++++++++++++ web_view.py | 19 ++++++++++++++++ 4 files changed, 127 insertions(+) create mode 100644 templates/base.html create mode 100644 templates/navbar.html create mode 100644 templates/show_error.html diff --git a/templates/base.html b/templates/base.html new file mode 100644 index 0000000..8d039e0 --- /dev/null +++ b/templates/base.html @@ -0,0 +1,32 @@ + + + + + + + + + {% block title %}{% endblock %} + + + {% block style %}{% endblock %} + +{% from "navbar.html" import navbar with context %} + + + {% block nav %}{{ navbar() }}{% endblock %} + + {% if config.SHOW_BLOCK_ALERT %} +
+ {{ local_block_alert() }} + {{ global_block_alert() }} +
+ {% endif %} + + {% block content %}{% endblock %} + + + + {% block script %}{% endblock %} + + diff --git a/templates/navbar.html b/templates/navbar.html new file mode 100644 index 0000000..789d493 --- /dev/null +++ b/templates/navbar.html @@ -0,0 +1,46 @@ +{% macro nav_item(name, label) %} +
  • + {{ label }}{% if name == active %} (current){% endif %} +
    • +{% endmacro %} + + +{% macro navbar() %} + +{% endmacro %} diff --git a/templates/show_error.html b/templates/show_error.html new file mode 100644 index 0000000..e75e75e --- /dev/null +++ b/templates/show_error.html @@ -0,0 +1,30 @@ +{% extends "base.html" %} + +{% block style %} + +{% endblock %} + +{% block content %} +
    + +

    Software error: {{ tb.exception_type }}

    +
    + 
    {{ tb.exception }}
    +
    + +{% set body %} +URL: {{ request.url }} + +{{ tb.plaintext | safe }} +{% endset %} + +

    Submit as an issue on GitHub (requires an account with GitHub)

    + +

    Traceback (most recent call last)

    +{{ tb.render_summary(include_title=False) | safe }} + +

    Error in function "{{ last_frame.function_name }}": {{ last_frame_args | pprint }}

    +
    {{ last_frame.locals | pprint }}
    +
    + +{% endblock %} diff --git a/web_view.py b/web_view.py index b3e1ec2..727a75f 100755 --- a/web_view.py +++ b/web_view.py @@ -1,5 +1,6 @@ #!/usr/bin/python3 +import inspect import json import re from typing import Any, Iterator, TypedDict @@ -7,7 +8,9 @@ from typing import Any, Iterator, TypedDict import flask import lxml.html import requests +import werkzeug.exceptions from requests_oauthlib import OAuth1Session +from werkzeug.debug.tbtools import get_current_traceback from werkzeug.wrappers import Response app = flask.Flask(__name__) @@ -17,6 +20,22 @@ app.debug = True api_url = "https://en.wikipedia.org/w/api.php" +@app.errorhandler(werkzeug.exceptions.InternalServerError) +def exception_handler(e): + tb = get_current_traceback() + last_frame = next(frame for frame in reversed(tb.frames) if not frame.is_library) + last_frame_args = inspect.getargs(last_frame.code) + return ( + flask.render_template( + "show_error.html", + tb=tb, + last_frame=last_frame, + last_frame_args=last_frame_args, + ), + 500, + ) + + def get_content(title: str) -> str: """Get article text.""" params: dict[str, str | int] = {