109 lines
2.1 KiB
Python
109 lines
2.1 KiB
Python
import inspect
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import sys
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from .templating import render_template_string
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from .wrappers import Response
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TEMPLATE = """
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<style>
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pre {
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margin: 0;
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}
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.traceback, .locals {
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display: table;
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width: 100%;
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margin: 5px;
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}
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.traceback>div, .locals>div {
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display: table-row;
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}
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.traceback>div>div, .locals>div>div {
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display: table-cell;
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}
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.locals>div>div {
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border-top: 1px solid lightgrey;
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}
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.header {
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background-color: #ececec;
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margin-bottom: 5px;
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}
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.highlight {
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background-color: #ececec;
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}
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.info {
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font-weight: bold;
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}
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li {
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border: 1px solid lightgrey;
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border-radius: 5px;
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padding: 5px;
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list-style-type: none;
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margin-bottom: 5px;
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}
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h1>span {
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font-weight: lighter;
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}
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</style>
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<h1>{{ name }} <span>{{ value }}</span></h1>
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<ul>
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{% for frame in frames %}
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<li>
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<div class="header">
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File <span class="info">{{ frame.file }}</span>,
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line <span class="info">{{ frame.line }}</span>, in
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</div>
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<div class="traceback">
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{% for line in frame.code[0] %}
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<div {% if frame.line == loop.index + frame.code[1] %}class="highlight"{% endif %}>
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<div>{{ loop.index + frame.code[1] }}</div>
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<div><pre>{{ line }}</pre></div>
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</div>
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{% endfor %}
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</div>
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<div class="locals">
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{% for name, repr in frame.locals.items() %}
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<div>
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<div>{{ name }}</div>
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<div>{{ repr }}</div>
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</div>
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{% endfor %}
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</div>
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</li>
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{% endfor %}
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</ul>
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"""
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async def traceback_response() -> Response:
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type_, value, tb = sys.exc_info()
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frames = []
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while tb:
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frame = tb.tb_frame
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try:
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code = inspect.getsourcelines(frame)
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except OSError:
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code = None
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frames.append({
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'file': inspect.getfile(frame),
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'line': frame.f_lineno,
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'locals': frame.f_locals,
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'code': code,
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})
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tb = tb.tb_next
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name = type_.__name__
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html = await render_template_string(TEMPLATE, frames=reversed(frames), name=name, value=value)
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return Response(html, 500)
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