Revision Log

root/pyconqwww.py

Revision 140 (checked in by fumanchu, 3 years ago)	Better tracebacks for pyconquer.

Line
1	"""CherryPy browser for PyConquer logs.
2
3	Use PyConquer to gether logs, then use the serve() function to browse the
4	results in a web browser. If you run this module from the command line,
5	it will call serve() for you.
6	"""
7
8	import cgi
9	import os
10	import re
11	import sys
12
13	try:
14	import cStringIO as StringIO
15	except ImportError:
16	import StringIO
17
18	import urllib
19
20	import cherrypy
21
22
23	TEMPLATE_INDEX = """<html>
24	<head><title>PyConquer Logs</title></head>
25	<frameset cols='250, 1*'>
26	<frame src='menu' />
27	<frame name='main' src='' />
28	</frameset>
29	</html>
30	"""
31
32	TEMPLATE_MENU = """<html>
33	<head>
34	<title>PyConquer Menu</title>
35	<style>
36	body {font: 9pt Arial, serif;}
37	</style>
38	</head>
39	<body>
40	<h2>PyConquer Logs</h2>
41	<p>Click on one of the runs below to see pyconquer data.</p>
42	%s
43	</body>
44	</html>
45	"""
46
47	TEMPLATE_REPORT = r"""<html>
48	<head>
49	<title>%(filename)s</title>
50	<style>
51	h2 { margin-bottom: .25em; }
52	div {
53	font: 10pt Courier, monotype;
54	margin: 0 0 0 2em;
55	background-color: #CCCCCC;
56	}
57	div.calltime { float: right; }
58	a { text-decoration: none; }
59	</style>
60
61	<script type='text/javascript'>
62	<!--
63
64	function http() {
65	var h;
66	if (typeof(XMLHttpRequest) != "undefined") {
67	h = new XMLHttpRequest();
68	} else {
69	try { h = new ActiveXObject("Msxml2.XMLHTTP"); }
70	catch (e) {
71	try { h = new ActiveXObject("Microsoft.XMLHTTP"); }
72	catch (E) { alert("Your browser is not supported."); }
73	}
74	}
75	return h
76	}
77
78	function http_action(callback) {
79	var h = http();
80	h.onreadystatechange = function() {
81	if (h.readyState == 4) {
82	if (h.status != 200 && h.status != 204
83	// Internet Explorer may return 1223 for 204
84	&& h.status != 1223) {
85	alert("Error. Status = " + h.status + "\n" + h.responseText);
86	} else {
87	var result = "";
88	var ct = h.getResponseHeader("Content-Type");
89	if (ct.split(";")[0] == "text/xml") {
90	try {
91	result = h.responseXML;
92	if (xmldoc == null) throw "No XML in response";
93	} catch (e) {
94	result = h.responseText;
95	alert(h.responseText);
96	return;
97	}
98	} else {
99	result = h.responseText;
100	}
101	if (callback != undefined) callback(result);
102	}
103	}
104	}
105	return h;
106	}
107
108	function show(elem, style) {
109	if (style == undefined) style = 'inline';
110	if (navigator.appName == "Microsoft Internet Explorer") {
111	elem.style.display = style;
112	} else {
113	if (elem.tagName && (elem.tagName.toLowerCase() == 'tr')) {
114	elem.style.visibility = 'visible';
115	} else {
116	elem.style.display = style;
117	}
118	}
119	}
120
121	function hide(elem) {
122	if (navigator.appName == "Microsoft Internet Explorer") {
123	elem.style.display = 'none';
124	} else {
125	if (elem.tagName && (elem.tagName.toLowerCase() == 'tr')) {
126	elem.style.visibility = 'collapse';
127	} else {
128	elem.style.display = 'none';
129	}
130	}
131	}
132
133	function toggle_branch(link) {
134	var contents = link.parentNode.nextSibling;
135	// Firefox has an extra #text node in-between the two DIV nodes
136	if (contents.tagName == undefined) contents = contents.nextSibling;
137	if (contents.innerHTML == "") {
138	function insert_branch(xmldoc) {
139	contents.innerHTML = xmldoc;
140	}
141	var h = http_action(insert_branch);
142	h.open("GET", "callblock?filename=%(filename)s&pos=" + link.id, true);
143	h.send(null);
144	} else {
145	if (contents.style.display == 'none') {
146	show(contents, 'block');
147	} else {
148	hide(contents);
149	}
150	}
151	}
152
153	// -->
154	</script>
155	</head>
156	<body>
157	<h2>%(filename)s</h2>
158	<div>
159	%(content)s
160	</div>
161	</body>
162	</html>
163	"""
164
165	TEMPLATE_LINE = """<div class="%s">
166	<div class="calltime">%s</div>
167	%s %s (%s:%s)
168	</div>
169	"""
170
171	TEMPLATE_CALL = """<div class="%s">
172	<div class="calltime">%s</div>
173	%s <a href='javascript:void(false)' id='%s' onclick='toggle_branch(this)'>%s</a> (%s:%s)
174	</div>
175	<div class="call_contents"></div>
176	"""
177
178
179	class Event(object):
180
181	def __init__(self, line, pos):
182	self.pos = pos
183	self.result = None
184	self.time = None
185
186	m = re.match(r"(?P<indent>-+)(?P<msgtype>.) import "
187	r"(?P<filename>.*)( \(\d lines\))?", line)
188	if m is not None:
189	indent, msgtype, module, _ = m.groups()
190	self.func = "import"
191	self.lineno = 0
192	else:
193	m = re.match(r"(?P<indent>-+)(?P<msgtype>.) (?P<func>.*)"
194	r" \((?P<module>.):(?P<lineno>\d+)\)(?P<result>.)", line)
195	indent, msgtype, func, module, lineno, result = m.groups()
196	if result.endswith("ms"):
197	result, time = result.rsplit(" ", 1)
198	self.time = float(time[:-2])
199	self.func = func
200	self.lineno = lineno
201	self.result = result or None
202
203	self.indent = len(indent)
204	self.msgtype = msgtype
205	self.module = module
206
207
208	class LogBrowser(object):
209
210	def __init__(self, path):
211	self.path = os.path.abspath(path)
212
213	def index(self):
214	return TEMPLATE_INDEX
215	index.exposed = True
216
217	def menu(self):
218	runs = [f for f in os.listdir(self.path)
219	if f.startswith("pyconquer") and f.endswith(".log")]
220	runs.sort()
221	return TEMPLATE_MENU % '\n'.join([
222	"<a href='report?filename=%s' target='main'>%s</a><br />" % (i, i)
223	for i in runs])
224	menu.exposed = True
225
226	def call_content(self, filename, pos):
227	"""Return all lines one indent depth inside the given call.
228
229	pos: the 0-based index for the line where the call block begins
230	(i.e. the line of the call itself).
231	"""
232	pos = int(pos)
233	lines = open(filename, 'rb').readlines()[pos:]
234	if not lines:
235	return []
236
237	content = []
238	call_line = lines.pop(0).strip()
239	if call_line.startswith('--'):
240	indent0 = Event(call_line, 0).indent
241	else:
242	indent0 = 0
243
244	for line in lines:
245	pos += 1
246	line = line.strip()
247	if line.startswith('--'):
248	e = Event(line, pos)
249	if e.indent <= indent0:
250	break
251	else:
252	content.append(e)
253
254	if not content:
255	return []
256
257	min_depth = min([event.indent for event in content])
258	return [event for event in content if event.indent == min_depth]
259
260	def callblock(self, filename, pos):
261	fullpath = os.path.abspath(os.path.join(self.path, filename))
262	if not fullpath.startswith(self.path):
263	raise cherrypy.HTTPError(403)
264
265	results = []
266	for e in self.call_content(fullpath, pos):
267	typename = {'>': 'call', '<': 'return',
268	'[': 'ccall', ']': 'creturn',
269	'E': 'exception', 'e': 'cexception',
270	'.': 'line', '=': 'watch',
271	'X': 'threadexit', '*': 'threadstart'}[e.msgtype]
272
273	if e.time is None:
274	time = ''
275	else:
276	time = "%0.3f" % e.time
277	if typename in ('exception', 'cexception', 'call', 'ccall'):
278	results.append(TEMPLATE_CALL %
279	(typename, time, e.msgtype, e.pos,
280	e.func, e.module, e.lineno))
281	else:
282	results.append(TEMPLATE_LINE %
283	(typename, time, e.msgtype,
284	e.func, e.module, e.lineno))
285
286	return ''.join(results)
287	callblock.exposed = True
288
289	def report(self, filename):
290	return TEMPLATE_REPORT % {'filename': filename,
291	'content': self.callblock(filename, 0)}
292	report.exposed = True
293
294
295	def serve(port=8080, path=os.getcwd()):
296	import cherrypy
297	cherrypy.config.update({'server.socket_port': int(port),
298	'server.thread_pool': 10,
299	})
300	cherrypy.quickstart(LogBrowser(path))
301
302	if __name__ == "__main__":
303	serve(*tuple(sys.argv[1:]))
304

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