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om@3
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1 |
"""
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om@3
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pretty debug errors
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om@3
|
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(part of web.py)
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om@3
|
4 |
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om@3
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portions adapted from Django <djangoproject.com>
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Copyright (c) 2005, the Lawrence Journal-World
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|
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Used under the modified BSD license:
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|
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http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5
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om@3
|
9 |
"""
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om@3
|
10 |
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om@3
|
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__all__ = ["debugerror", "djangoerror", "emailerrors"]
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om@3
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import sys, urlparse, pprint, traceback
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om@3
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from template import Template
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om@3
|
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from net import websafe
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om@3
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from utils import sendmail, safestr
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om@3
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import webapi as web
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om@3
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om@3
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import os, os.path
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om@3
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whereami = os.path.join(os.getcwd(), __file__)
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om@3
|
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whereami = os.path.sep.join(whereami.split(os.path.sep)[:-1])
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om@3
|
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djangoerror_t = """\
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om@3
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23 |
$def with (exception_type, exception_value, frames)
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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om@3
|
25 |
<html lang="en">
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om@3
|
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<head>
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om@3
|
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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om@3
|
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<meta name="robots" content="NONE,NOARCHIVE" />
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om@3
|
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<title>$exception_type at $ctx.path</title>
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om@3
|
30 |
<style type="text/css">
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om@3
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html * { padding:0; margin:0; }
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om@3
|
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body * { padding:10px 20px; }
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om@3
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body * * { padding:0; }
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om@3
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body { font:small sans-serif; }
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om@3
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body>div { border-bottom:1px solid #ddd; }
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h1 { font-weight:normal; }
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h2 { margin-bottom:.8em; }
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h2 span { font-size:80%; color:#666; font-weight:normal; }
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h3 { margin:1em 0 .5em 0; }
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h4 { margin:0 0 .5em 0; font-weight: normal; }
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table {
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border:1px solid #ccc; border-collapse: collapse; background:white; }
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tbody td, tbody th { vertical-align:top; padding:2px 3px; }
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thead th {
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padding:1px 6px 1px 3px; background:#fefefe; text-align:left;
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font-weight:normal; font-size:11px; border:1px solid #ddd; }
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tbody th { text-align:right; color:#666; padding-right:.5em; }
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table.vars { margin:5px 0 2px 40px; }
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table.vars td, table.req td { font-family:monospace; }
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table td.code { width:100%;}
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table td.code div { overflow:hidden; }
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table.source th { color:#666; }
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table.source td {
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font-family:monospace; white-space:pre; border-bottom:1px solid #eee; }
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ul.traceback { list-style-type:none; }
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ul.traceback li.frame { margin-bottom:1em; }
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div.context { margin: 10px 0; }
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div.context ol {
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padding-left:30px; margin:0 10px; list-style-position: inside; }
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div.context ol li {
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font-family:monospace; white-space:pre; color:#666; cursor:pointer; }
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div.context ol.context-line li { color:black; background-color:#ccc; }
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div.context ol.context-line li span { float: right; }
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om@3
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div.commands { margin-left: 40px; }
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div.commands a { color:black; text-decoration:none; }
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#summary { background: #ffc; }
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#summary h2 { font-weight: normal; color: #666; }
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#explanation { background:#eee; }
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#template, #template-not-exist { background:#f6f6f6; }
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#template-not-exist ul { margin: 0 0 0 20px; }
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#traceback { background:#eee; }
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#requestinfo { background:#f6f6f6; padding-left:120px; }
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#summary table { border:none; background:transparent; }
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#requestinfo h2, #requestinfo h3 { position:relative; margin-left:-100px; }
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#requestinfo h3 { margin-bottom:-1em; }
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.error { background: #ffc; }
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.specific { color:#cc3300; font-weight:bold; }
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om@3
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</style>
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om@3
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<script type="text/javascript">
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om@3
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//<!--
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om@3
|
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function getElementsByClassName(oElm, strTagName, strClassName){
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om@3
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// Written by Jonathan Snook, http://www.snook.ca/jon;
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om@3
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// Add-ons by Robert Nyman, http://www.robertnyman.com
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om@3
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var arrElements = (strTagName == "*" && document.all)? document.all :
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om@3
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oElm.getElementsByTagName(strTagName);
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om@3
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var arrReturnElements = new Array();
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om@3
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strClassName = strClassName.replace(/\-/g, "\\-");
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om@3
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var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$$)");
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om@3
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var oElement;
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om@3
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for(var i=0; i<arrElements.length; i++){
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om@3
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oElement = arrElements[i];
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om@3
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if(oRegExp.test(oElement.className)){
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om@3
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arrReturnElements.push(oElement);
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om@3
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}
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om@3
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}
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om@3
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return (arrReturnElements)
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om@3
|
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}
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om@3
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function hideAll(elems) {
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om@3
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for (var e = 0; e < elems.length; e++) {
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om@3
|
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elems[e].style.display = 'none';
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om@3
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}
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om@3
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}
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om@3
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window.onload = function() {
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om@3
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hideAll(getElementsByClassName(document, 'table', 'vars'));
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om@3
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hideAll(getElementsByClassName(document, 'ol', 'pre-context'));
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om@3
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hideAll(getElementsByClassName(document, 'ol', 'post-context'));
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om@3
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}
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om@3
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function toggle() {
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om@3
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for (var i = 0; i < arguments.length; i++) {
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om@3
|
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var e = document.getElementById(arguments[i]);
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om@3
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if (e) {
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om@3
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e.style.display = e.style.display == 'none' ? 'block' : 'none';
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om@3
|
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}
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om@3
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}
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om@3
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return false;
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om@3
|
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}
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om@3
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function varToggle(link, id) {
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om@3
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toggle('v' + id);
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om@3
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var s = link.getElementsByTagName('span')[0];
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om@3
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var uarr = String.fromCharCode(0x25b6);
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om@3
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var darr = String.fromCharCode(0x25bc);
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om@3
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s.innerHTML = s.innerHTML == uarr ? darr : uarr;
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om@3
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return false;
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om@3
|
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}
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om@3
|
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//-->
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om@3
|
126 |
</script>
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om@3
|
127 |
</head>
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om@3
|
128 |
<body>
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om@3
|
129 |
|
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om@3
|
130 |
$def dicttable (d, kls='req', id=None):
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om@3
|
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$ items = d and d.items() or []
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om@3
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132 |
$items.sort()
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om@3
|
133 |
$:dicttable_items(items, kls, id)
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om@3
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134 |
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om@3
|
135 |
$def dicttable_items(items, kls='req', id=None):
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om@3
|
136 |
$if items:
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om@3
|
137 |
<table class="$kls"
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om@3
|
138 |
$if id: id="$id"
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om@3
|
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><thead><tr><th>Variable</th><th>Value</th></tr></thead>
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om@3
|
140 |
<tbody>
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om@3
|
141 |
$for k, v in items:
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om@3
|
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<tr><td>$k</td><td class="code"><div>$prettify(v)</div></td></tr>
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om@3
|
143 |
</tbody>
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om@3
|
144 |
</table>
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om@3
|
145 |
$else:
|
|
om@3
|
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<p>No data.</p>
|
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om@3
|
147 |
|
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om@3
|
148 |
<div id="summary">
|
|
om@3
|
149 |
<h1>$exception_type at $ctx.path</h1>
|
|
om@3
|
150 |
<h2>$exception_value</h2>
|
|
om@3
|
151 |
<table><tr>
|
|
om@3
|
152 |
<th>Python</th>
|
|
om@3
|
153 |
<td>$frames[0].filename in $frames[0].function, line $frames[0].lineno</td>
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|
om@3
|
154 |
</tr><tr>
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|
om@3
|
155 |
<th>Web</th>
|
|
om@3
|
156 |
<td>$ctx.method $ctx.home$ctx.path</td>
|
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om@3
|
157 |
</tr></table>
|
|
om@3
|
158 |
</div>
|
|
om@3
|
159 |
<div id="traceback">
|
|
om@3
|
160 |
<h2>Traceback <span>(innermost first)</span></h2>
|
|
om@3
|
161 |
<ul class="traceback">
|
|
om@3
|
162 |
$for frame in frames:
|
|
om@3
|
163 |
<li class="frame">
|
|
om@3
|
164 |
<code>$frame.filename</code> in <code>$frame.function</code>
|
|
om@3
|
165 |
$if frame.context_line is not None:
|
|
om@3
|
166 |
<div class="context" id="c$frame.id">
|
|
om@3
|
167 |
$if frame.pre_context:
|
|
om@3
|
168 |
<ol start="$frame.pre_context_lineno" class="pre-context" id="pre$frame.id">
|
|
om@3
|
169 |
$for line in frame.pre_context:
|
|
om@3
|
170 |
<li onclick="toggle('pre$frame.id', 'post$frame.id')">$line</li>
|
|
om@3
|
171 |
</ol>
|
|
om@3
|
172 |
<ol start="$frame.lineno" class="context-line"><li onclick="toggle('pre$frame.id', 'post$frame.id')">$frame.context_line <span>...</span></li></ol>
|
|
om@3
|
173 |
$if frame.post_context:
|
|
om@3
|
174 |
<ol start='${frame.lineno + 1}' class="post-context" id="post$frame.id">
|
|
om@3
|
175 |
$for line in frame.post_context:
|
|
om@3
|
176 |
<li onclick="toggle('pre$frame.id', 'post$frame.id')">$line</li>
|
|
om@3
|
177 |
</ol>
|
|
om@3
|
178 |
</div>
|
|
om@3
|
179 |
|
|
om@3
|
180 |
$if frame.vars:
|
|
om@3
|
181 |
<div class="commands">
|
|
om@3
|
182 |
<a href='#' onclick="return varToggle(this, '$frame.id')"><span>▶</span> Local vars</a>
|
|
om@3
|
183 |
$# $inspect.formatargvalues(*inspect.getargvalues(frame['tb'].tb_frame))
|
|
om@3
|
184 |
</div>
|
|
om@3
|
185 |
$:dicttable(frame.vars, kls='vars', id=('v' + str(frame.id)))
|
|
om@3
|
186 |
</li>
|
|
om@3
|
187 |
</ul>
|
|
om@3
|
188 |
</div>
|
|
om@3
|
189 |
|
|
om@3
|
190 |
<div id="requestinfo">
|
|
om@3
|
191 |
$if ctx.output or ctx.headers:
|
|
om@3
|
192 |
<h2>Response so far</h2>
|
|
om@3
|
193 |
<h3>HEADERS</h3>
|
|
om@3
|
194 |
$:dicttable_items(ctx.headers)
|
|
om@3
|
195 |
|
|
om@3
|
196 |
<h3>BODY</h3>
|
|
om@3
|
197 |
<p class="req" style="padding-bottom: 2em"><code>
|
|
om@3
|
198 |
$ctx.output
|
|
om@3
|
199 |
</code></p>
|
|
om@3
|
200 |
|
|
om@3
|
201 |
<h2>Request information</h2>
|
|
om@3
|
202 |
|
|
om@3
|
203 |
<h3>INPUT</h3>
|
|
om@3
|
204 |
$:dicttable(web.input(_unicode=False))
|
|
om@3
|
205 |
|
|
om@3
|
206 |
<h3 id="cookie-info">COOKIES</h3>
|
|
om@3
|
207 |
$:dicttable(web.cookies())
|
|
om@3
|
208 |
|
|
om@3
|
209 |
<h3 id="meta-info">META</h3>
|
|
om@3
|
210 |
$ newctx = [(k, v) for (k, v) in ctx.iteritems() if not k.startswith('_') and not isinstance(v, dict)]
|
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om@3
|
211 |
$:dicttable(dict(newctx))
|
|
om@3
|
212 |
|
|
om@3
|
213 |
<h3 id="meta-info">ENVIRONMENT</h3>
|
|
om@3
|
214 |
$:dicttable(ctx.env)
|
|
om@3
|
215 |
</div>
|
|
om@3
|
216 |
|
|
om@3
|
217 |
<div id="explanation">
|
|
om@3
|
218 |
<p>
|
|
om@3
|
219 |
You're seeing this error because you have <code>web.config.debug</code>
|
|
om@3
|
220 |
set to <code>True</code>. Set that to <code>False</code> if you don't want to see this.
|
|
om@3
|
221 |
</p>
|
|
om@3
|
222 |
</div>
|
|
om@3
|
223 |
|
|
om@3
|
224 |
</body>
|
|
om@3
|
225 |
</html>
|
|
om@3
|
226 |
"""
|
|
om@3
|
227 |
|
|
om@3
|
228 |
djangoerror_r = None
|
|
om@3
|
229 |
|
|
om@3
|
230 |
def djangoerror():
|
|
om@3
|
231 |
def _get_lines_from_file(filename, lineno, context_lines):
|
|
om@3
|
232 |
"""
|
|
om@3
|
233 |
Returns context_lines before and after lineno from file.
|
|
om@3
|
234 |
Returns (pre_context_lineno, pre_context, context_line, post_context).
|
|
om@3
|
235 |
"""
|
|
om@3
|
236 |
try:
|
|
om@3
|
237 |
source = open(filename).readlines()
|
|
om@3
|
238 |
lower_bound = max(0, lineno - context_lines)
|
|
om@3
|
239 |
upper_bound = lineno + context_lines
|
|
om@3
|
240 |
|
|
om@3
|
241 |
pre_context = \
|
|
om@3
|
242 |
[line.strip('\n') for line in source[lower_bound:lineno]]
|
|
om@3
|
243 |
context_line = source[lineno].strip('\n')
|
|
om@3
|
244 |
post_context = \
|
|
om@3
|
245 |
[line.strip('\n') for line in source[lineno + 1:upper_bound]]
|
|
om@3
|
246 |
|
|
om@3
|
247 |
return lower_bound, pre_context, context_line, post_context
|
|
om@3
|
248 |
except (OSError, IOError, IndexError):
|
|
om@3
|
249 |
return None, [], None, []
|
|
om@3
|
250 |
|
|
om@3
|
251 |
exception_type, exception_value, tback = sys.exc_info()
|
|
om@3
|
252 |
frames = []
|
|
om@3
|
253 |
while tback is not None:
|
|
om@3
|
254 |
filename = tback.tb_frame.f_code.co_filename
|
|
om@3
|
255 |
function = tback.tb_frame.f_code.co_name
|
|
om@3
|
256 |
lineno = tback.tb_lineno - 1
|
|
om@3
|
257 |
|
|
om@3
|
258 |
# hack to get correct line number for templates
|
|
om@3
|
259 |
lineno += tback.tb_frame.f_locals.get("__lineoffset__", 0)
|
|
om@3
|
260 |
|
|
om@3
|
261 |
pre_context_lineno, pre_context, context_line, post_context = \
|
|
om@3
|
262 |
_get_lines_from_file(filename, lineno, 7)
|
|
om@3
|
263 |
|
|
om@3
|
264 |
if '__hidetraceback__' not in tback.tb_frame.f_locals:
|
|
om@3
|
265 |
frames.append(web.storage({
|
|
om@3
|
266 |
'tback': tback,
|
|
om@3
|
267 |
'filename': filename,
|
|
om@3
|
268 |
'function': function,
|
|
om@3
|
269 |
'lineno': lineno,
|
|
om@3
|
270 |
'vars': tback.tb_frame.f_locals,
|
|
om@3
|
271 |
'id': id(tback),
|
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|
272 |
'pre_context': pre_context,
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|
273 |
'context_line': context_line,
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|
274 |
'post_context': post_context,
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|
275 |
'pre_context_lineno': pre_context_lineno,
|
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|
276 |
}))
|
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|
277 |
tback = tback.tb_next
|
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|
278 |
frames.reverse()
|
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|
279 |
urljoin = urlparse.urljoin
|
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|
280 |
def prettify(x):
|
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|
281 |
try:
|
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|
282 |
out = pprint.pformat(x)
|
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|
283 |
except Exception, e:
|
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|
284 |
out = '[could not display: <' + e.__class__.__name__ + \
|
|
om@3
|
285 |
': '+str(e)+'>]'
|
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|
286 |
return out
|
|
om@3
|
287 |
|
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om@3
|
288 |
global djangoerror_r
|
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|
289 |
if djangoerror_r is None:
|
|
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|
290 |
djangoerror_r = Template(djangoerror_t, filename=__file__, filter=websafe)
|
|
om@3
|
291 |
|
|
om@3
|
292 |
t = djangoerror_r
|
|
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|
293 |
globals = {'ctx': web.ctx, 'web':web, 'dict':dict, 'str':str, 'prettify': prettify}
|
|
om@3
|
294 |
t.t.func_globals.update(globals)
|
|
om@3
|
295 |
return t(exception_type, exception_value, frames)
|
|
om@3
|
296 |
|
|
om@3
|
297 |
def debugerror():
|
|
om@3
|
298 |
"""
|
|
om@3
|
299 |
A replacement for `internalerror` that presents a nice page with lots
|
|
om@3
|
300 |
of debug information for the programmer.
|
|
om@3
|
301 |
|
|
om@3
|
302 |
(Based on the beautiful 500 page from [Django](http://djangoproject.com/),
|
|
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|
303 |
designed by [Wilson Miner](http://wilsonminer.com/).)
|
|
om@3
|
304 |
"""
|
|
om@3
|
305 |
return web._InternalError(djangoerror())
|
|
om@3
|
306 |
|
|
om@3
|
307 |
def emailerrors(to_address, olderror, from_address=None):
|
|
om@3
|
308 |
"""
|
|
om@3
|
309 |
Wraps the old `internalerror` handler (pass as `olderror`) to
|
|
om@3
|
310 |
additionally email all errors to `to_address`, to aid in
|
|
om@3
|
311 |
debugging production websites.
|
|
om@3
|
312 |
|
|
om@3
|
313 |
Emails contain a normal text traceback as well as an
|
|
om@3
|
314 |
attachment containing the nice `debugerror` page.
|
|
om@3
|
315 |
"""
|
|
om@3
|
316 |
from_address = from_address or to_address
|
|
om@3
|
317 |
|
|
om@3
|
318 |
def emailerrors_internal():
|
|
om@3
|
319 |
error = olderror()
|
|
om@3
|
320 |
tb = sys.exc_info()
|
|
om@3
|
321 |
error_name = tb[0]
|
|
om@3
|
322 |
error_value = tb[1]
|
|
om@3
|
323 |
tb_txt = ''.join(traceback.format_exception(*tb))
|
|
om@3
|
324 |
path = web.ctx.path
|
|
om@3
|
325 |
request = web.ctx.method + ' ' + web.ctx.home + web.ctx.fullpath
|
|
om@3
|
326 |
|
|
om@3
|
327 |
message = "\n%s\n\n%s\n\n" % (request, tb_txt)
|
|
om@3
|
328 |
|
|
om@3
|
329 |
sendmail(
|
|
om@3
|
330 |
"your buggy site <%s>" % from_address,
|
|
om@3
|
331 |
"the bugfixer <%s>" % to_address,
|
|
om@3
|
332 |
"bug: %(error_name)s: %(error_value)s (%(path)s)" % locals(),
|
|
om@3
|
333 |
message,
|
|
om@3
|
334 |
attachments=[
|
|
om@3
|
335 |
dict(filename="bug.html", content=safestr(djangoerror()))
|
|
om@3
|
336 |
],
|
|
om@3
|
337 |
)
|
|
om@3
|
338 |
return error
|
|
om@3
|
339 |
|
|
om@3
|
340 |
return emailerrors_internal
|
|
om@3
|
341 |
|
|
om@3
|
342 |
if __name__ == "__main__":
|
|
om@3
|
343 |
urls = (
|
|
om@3
|
344 |
'/', 'index'
|
|
om@3
|
345 |
)
|
|
om@3
|
346 |
from application import application
|
|
om@3
|
347 |
app = application(urls, globals())
|
|
om@3
|
348 |
app.internalerror = debugerror
|
|
om@3
|
349 |
|
|
om@3
|
350 |
class index:
|
|
om@3
|
351 |
def GET(self):
|
|
om@3
|
352 |
thisdoesnotexist
|
|
om@3
|
353 |
|
|
om@3
|
354 |
app.run()
|