deluge/plugins/WebUi/debugerror.py

367 lines
12 KiB
Python

"""
pretty debug errors
(part of web.py)
adapted from Django <djangoproject.com>
Copyright (c) 2005, the Lawrence Journal-World
Used under the modified BSD license:
http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5
"""
__all__ = ["debugerror", "djangoerror"]
import sys, urlparse, pprint
from webpy022.net import websafe
from webpy022.template import Template
import webpy022.webapi as web
import webserver_common as ws
from traceback import format_tb
import os, os.path
whereami = os.path.join(os.getcwd(), __file__)
whereami = os.path.sep.join(whereami.split(os.path.sep)[:-1])
djangoerror_t = """\
$def with (exception_type, exception_value, frames, exception_message, version_info, tback_txt)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="robots" content="NONE,NOARCHIVE" />
<title>$exception_type at $ctx.path</title>
<style type="text/css">
html * { padding:0; margin:0; }
body * { padding:10px 20px; }
body * * { padding:0; }
body { font:small sans-serif; }
body>div { border-bottom:1px solid #ddd; }
h1 { font-weight:normal; }
h2 { margin-bottom:.8em; }
h2 span { font-size:80%; color:#666; font-weight:normal; }
h3 { margin:1em 0 .5em 0; }
h4 { margin:0 0 .5em 0; font-weight: normal; }
table {
border:1px solid #ccc; border-collapse: collapse; background:white; }
tbody td, tbody th { vertical-align:top; padding:2px 3px; }
thead th {
padding:1px 6px 1px 3px; background:#fefefe; text-align:left;
font-weight:normal; font-size:11px; border:1px solid #ddd; }
tbody th { text-align:right; color:#666; padding-right:.5em; }
table.vars { margin:5px 0 2px 40px; }
table.vars td, table.req td { font-family:monospace; }
table td.code { width:100%;}
table td.code div { overflow:hidden; }
table.source th { color:#666; }
table.source td {
font-family:monospace; white-space:pre; border-bottom:1px solid #eee; }
ul.traceback { list-style-type:none; }
ul.traceback li.frame { margin-bottom:1em; }
div.context { margin: 10px 0; }
div.context ol {
padding-left:30px; margin:0 10px; list-style-position: inside; }
div.context ol li {
font-family:monospace; white-space:pre; color:#666; cursor:pointer; }
div.context ol.context-line li { color:black; background-color:#ccc; }
div.context ol.context-line li span { float: right; }
div.commands { margin-left: 40px; }
div.commands a { color:black; text-decoration:none; }
#summary { background: #ffc; }
#summary h2 { font-weight: normal; color: #666; }
#explanation { background:#eee; }
#template, #template-not-exist { background:#f6f6f6; }
#template-not-exist ul { margin: 0 0 0 20px; }
#traceback { background:#eee; }
#requestinfo { background:#f6f6f6; padding-left:120px; }
#summary table { border:none; background:transparent; }
#requestinfo h2, #requestinfo h3 { position:relative; margin-left:-100px; }
#requestinfo h3 { margin-bottom:-1em; }
.error { background: #ffc; }
.specific { color:#cc3300; font-weight:bold; }
</style>
<script type="text/javascript">
//<!--
function getElementsByClassName(oElm, strTagName, strClassName){
// Written by Jonathan Snook, http://www.snook.ca/jon;
// Add-ons by Robert Nyman, http://www.robertnyman.com
var arrElements = (strTagName == "*" && document.all)? document.all :
oElm.getElementsByTagName(strTagName);
var arrReturnElements = new Array();
strClassName = strClassName.replace(/\-/g, "\\-");
var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
var oElement;
for(var i=0; i<arrElements.length; i++){
oElement = arrElements[i];
if(oRegExp.test(oElement.className)){
arrReturnElements.push(oElement);
}
}
return (arrReturnElements)
}
function hideAll(elems) {
for (var e = 0; e < elems.length; e++) {
elems[e].style.display = 'none';
}
}
window.onload = function() {
hideAll(getElementsByClassName(document, 'table', 'vars'));
hideAll(getElementsByClassName(document, 'ol', 'pre-context'));
hideAll(getElementsByClassName(document, 'ol', 'post-context'));
}
function toggle() {
for (var i = 0; i < arguments.length; i++) {
var e = document.getElementById(arguments[i]);
if (e) {
e.style.display = e.style.display == 'none' ? 'block' : 'none';
}
}
return false;
}
function varToggle(link, id) {
toggle('v' + id);
var s = link.getElementsByTagName('span')[0];
var uarr = String.fromCharCode(0x25b6);
var darr = String.fromCharCode(0x25bc);
s.innerHTML = s.innerHTML == uarr ? darr : uarr;
return false;
}
//-->
</script>
</head>
<body>
<div id="summary">
<h1>$exception_type : $exception_value</h2>
</div>
<div id="explanation">
<p>
Oops, Deluge Broke :-( , You might have found a bug, or you did something really stupid ;-).
<br />If the error persists : Try downloading the latest version at
<a href="http://deluge-torrent.org">deluge-torrent.org</a>
<br />Visit the <a href="http://forum.deluge-torrent.org">forum</a>
or the <a href="http://dev.deluge-torrent.org/query">buglist</a> for more info.
</p>
</div>
<div id="summary">
Paste the contents of this text-box when you are asked for a traceback:<br>
<!--
<form action="http://pastebin.ca/index.php" method=POST>
option to paste to a pastebin disabled, need to find out about pastebin etiquette first.
Or ask markybob to make a deluge pastebin.
--->
<textarea cols=80 rows=20 name="content">
--Deluge Error--
$exception_type : $exception_value
path : $ctx.path
file : $frames[0].filename in $frames[0].function, line $frames[0].lineno
--Input--
$web.input()
--Versions--
$version_info
--Traceback--
$tback_txt
</textarea><br />
<font color=red>Use a <a href="http://pastebin.ca/">pastebin</a> on IRC!</font><br>
<!--
<input type=submit name="Submit" value="Click here to paste to http://pastebin.ca">
-->
</form>
</div>
<div id="traceback">
<h2>Traceback <span>(innermost first)</span></h2>
<ul class="traceback">
$for frame in frames:
<li class="frame">
<code>$frame.filename</code> in <code>$frame.function</code>
$if frame.context_line:
<div class="context" id="c$frame.id">
$if frame.pre_context:
<ol start="$frame.pre_context_lineno" class="pre-context" id="pre$frame.id">
$for line in frame.pre_context:
<li onclick="toggle('pre$frame.id', 'post$frame.id')">$line</li>
</ol>
<ol start="$frame.lineno" class="context-line"><li onclick="toggle('pre$frame.id', 'post$frame.id')">$frame.context_line <span>...</span></li></ol>
$if frame.post_context:
<ol start='${frame.lineno + 1}' class="post-context" id="post$frame.id">
$for line in frame.post_context:
<li onclick="toggle('pre$frame.id', 'post$frame.id')">$line</li>
</ol>
</div>
$if frame.vars:
<div class="commands">
<a href='#' onclick="return varToggle(this, '$frame.id')"><span>&#x25b6;</span> Local vars</a>
$# $inspect.formatargvalues(*inspect.getargvalues(frame['tb'].tb_frame))
</div>
$:dicttable(frame.vars, kls='vars', id=('v' + str(frame.id)))
</li>
</ul>
</div>
<div id="requestinfo">
$if ctx.output or ctx.headers:
<h2>Response so far</h2>
<h3>HEADERS</h3>
<p class="req"><code>
$for kv in ctx.headers:
$kv[0]: $kv[1]<br />
$else:
[no headers]
</code></p>
<h3>BODY</h3>
<p class="req" style="padding-bottom: 2em"><code>
$ctx.output
</code></p>
<h2>Request information</h2>
<h3>INPUT</h3>
$:dicttable(web.input())
<h3 id="cookie-info">COOKIES</h3>
$:dicttable(web.cookies())
<h3 id="meta-info">META</h3>
$ newctx = []
$# ) and (k not in ['env', 'output', 'headers', 'environ', 'status', 'db_execute']):
$for k, v in ctx.iteritems():
$if not k.startswith('_') and (k in x):
$newctx.append(kv)
$:dicttable(dict(newctx))
<h3 id="meta-info">ENVIRONMENT</h3>
$:dicttable(ctx.env)
</div>
</body>
</html>
"""
dicttable_t = r"""$def with (d, kls='req', id=None)
$if d:
<table class="$kls"\
$if id: id="$id"\
><thead><tr><th>Variable</th><th>Value</th></tr></thead>
<tbody>
$ temp = d.items()
$temp.sort()
$for kv in temp:
<tr><td>$kv[0]</td><td class="code"><div>$prettify(kv[1])</div></td></tr>
</tbody>
</table>
$else:
<p>No data.</p>
"""
dicttable_r = Template(dicttable_t, filter=websafe)
djangoerror_r = Template(djangoerror_t, filter=websafe)
def djangoerror():
def _get_lines_from_file(filename, lineno, context_lines):
"""
Returns context_lines before and after lineno from file.
Returns (pre_context_lineno, pre_context, context_line, post_context).
"""
try:
source = open(filename).readlines()
lower_bound = max(0, lineno - context_lines)
upper_bound = lineno + context_lines
pre_context = \
[line.strip('\n') for line in source[lower_bound:lineno]]
context_line = source[lineno].strip('\n')
post_context = \
[line.strip('\n') for line in source[lineno + 1:upper_bound]]
return lower_bound, pre_context, context_line, post_context
except (OSError, IOError):
return None, [], None, []
exception_type, exception_value, tback = sys.exc_info()
exception_message = 'Error'
exception_message = exception_value.message # dir(exception_value)
exception_type = exception_type.__name__
version_info = (
"WebUi : rev." + ws.REVNO
+ "Python : " + str(sys.version)
)
try:
import dbus
version_info += '\ndbus:' + str(dbus.__version__)
except:
pass
tback_txt = ''.join(format_tb(tback))
frames = []
while tback is not None:
filename = tback.tb_frame.f_code.co_filename
function = tback.tb_frame.f_code.co_name
lineno = tback.tb_lineno - 1
pre_context_lineno, pre_context, context_line, post_context = \
_get_lines_from_file(filename, lineno, 7)
frames.append(web.storage({
'tback': tback,
'filename': filename,
'function': function,
'lineno': lineno,
'vars': tback.tb_frame.f_locals,
'id': id(tback),
'pre_context': pre_context,
'context_line': context_line,
'post_context': post_context,
'pre_context_lineno': pre_context_lineno,
}))
tback = tback.tb_next
frames.reverse()
urljoin = urlparse.urljoin
def prettify(x):
try:
out = pprint.pformat(x)
except Exception, e:
out = '[could not display: <' + e.__class__.__name__ + \
': '+str(e)+'>]'
return out
dt = dicttable_r
dt.globals = {'prettify': prettify}
t = djangoerror_r
t.globals = {'ctx': web.ctx, 'web':web, 'dicttable':dt, 'dict':dict, 'str':str}
return t(exception_type, exception_value, frames, exception_message, version_info, tback_txt)
def deluge_debugerror():
"""
A replacement for `internalerror` that presents a nice page with lots
of debug information for the programmer.
(Based on the beautiful 500 page from [Django](http://djangoproject.com/),
designed by [Wilson Miner](http://wilsonminer.com/).)
"""
web.ctx.headers = [('Content-Type', 'text/html')]
web.ctx.output = djangoerror()
if __name__ == "__main__":
urls = (
'/', 'index'
)
class index:
def GET(self):
thisdoesnotexist
web.internalerror = web.debugerror
web.run(urls)