Mercurial > kallithea
annotate rhodecode/lib/profiler.py @ 2501:044c31d67ccc beta
make get_action always return action
author | Marcin Kuzminski <marcin@python-works.com> |
---|---|
date | Thu, 21 Jun 2012 17:51:01 +0200 |
parents | 2c2bdaeca912 |
children |
rev | line source |
---|---|
15 | 1 from __future__ import with_statement |
2 | |
2215
2c2bdaeca912
code-review initial
Marcin Kuzminski <marcin@python-works.com>
parents:
1307
diff
changeset
|
3 import gc |
2c2bdaeca912
code-review initial
Marcin Kuzminski <marcin@python-works.com>
parents:
1307
diff
changeset
|
4 import objgraph |
15 | 5 import cProfile |
6 import pstats | |
7 import cgi | |
8 import pprint | |
9 import threading | |
10 | |
11 from StringIO import StringIO | |
12 | |
1307 | 13 |
15 | 14 class ProfilingMiddleware(object): |
15 def __init__(self, app): | |
16 self.lock = threading.Lock() | |
17 self.app = app | |
1203
6832ef664673
source code cleanup: remove trailing white space, normalize file endings
Marcin Kuzminski <marcin@python-works.com>
parents:
547
diff
changeset
|
18 |
15 | 19 def __call__(self, environ, start_response): |
20 with self.lock: | |
21 profiler = cProfile.Profile() | |
1307 | 22 |
15 | 23 def run_app(*a, **kw): |
24 self.response = self.app(environ, start_response) | |
25 | |
26 profiler.runcall(run_app, environ, start_response) | |
27 | |
28 profiler.snapshot_stats() | |
29 | |
30 stats = pstats.Stats(profiler) | |
2215
2c2bdaeca912
code-review initial
Marcin Kuzminski <marcin@python-works.com>
parents:
1307
diff
changeset
|
31 stats.sort_stats('calls') #cummulative |
15 | 32 |
33 # Redirect output | |
34 out = StringIO() | |
35 stats.stream = out | |
36 | |
37 stats.print_stats() | |
38 | |
39 resp = ''.join(self.response) | |
40 | |
41 # Lets at least only put this on html-like responses. | |
42 if resp.strip().startswith('<'): | |
43 ## The profiling info is just appended to the response. | |
44 ## Browsers don't mind this. | |
1307 | 45 resp += ('<pre style="text-align:left; ' |
46 'border-top: 4px dashed red; padding: 1em;">') | |
15 | 47 resp += cgi.escape(out.getvalue(), True) |
1203
6832ef664673
source code cleanup: remove trailing white space, normalize file endings
Marcin Kuzminski <marcin@python-works.com>
parents:
547
diff
changeset
|
48 |
2215
2c2bdaeca912
code-review initial
Marcin Kuzminski <marcin@python-works.com>
parents:
1307
diff
changeset
|
49 ct = objgraph.show_most_common_types() |
2c2bdaeca912
code-review initial
Marcin Kuzminski <marcin@python-works.com>
parents:
1307
diff
changeset
|
50 print ct |
2c2bdaeca912
code-review initial
Marcin Kuzminski <marcin@python-works.com>
parents:
1307
diff
changeset
|
51 |
2c2bdaeca912
code-review initial
Marcin Kuzminski <marcin@python-works.com>
parents:
1307
diff
changeset
|
52 resp += ct if ct else '---' |
2c2bdaeca912
code-review initial
Marcin Kuzminski <marcin@python-works.com>
parents:
1307
diff
changeset
|
53 |
15 | 54 output = StringIO() |
55 pprint.pprint(environ, output, depth=3) | |
1203
6832ef664673
source code cleanup: remove trailing white space, normalize file endings
Marcin Kuzminski <marcin@python-works.com>
parents:
547
diff
changeset
|
56 |
15 | 57 resp += cgi.escape(output.getvalue(), True) |
58 resp += '</pre>' | |
1203
6832ef664673
source code cleanup: remove trailing white space, normalize file endings
Marcin Kuzminski <marcin@python-works.com>
parents:
547
diff
changeset
|
59 |
15 | 60 return resp |