Show More
@@ -0,0 +1,53 b'' | |||||
|
1 | from __future__ import with_statement | |||
|
2 | ||||
|
3 | import cProfile | |||
|
4 | import pstats | |||
|
5 | import cgi | |||
|
6 | import pprint | |||
|
7 | import threading | |||
|
8 | ||||
|
9 | from StringIO import StringIO | |||
|
10 | ||||
|
11 | class ProfilingMiddleware(object): | |||
|
12 | def __init__(self, app): | |||
|
13 | self.lock = threading.Lock() | |||
|
14 | self.app = app | |||
|
15 | ||||
|
16 | ||||
|
17 | def __call__(self, environ, start_response): | |||
|
18 | with self.lock: | |||
|
19 | profiler = cProfile.Profile() | |||
|
20 | def run_app(*a, **kw): | |||
|
21 | self.response = self.app(environ, start_response) | |||
|
22 | ||||
|
23 | profiler.runcall(run_app, environ, start_response) | |||
|
24 | ||||
|
25 | profiler.snapshot_stats() | |||
|
26 | ||||
|
27 | stats = pstats.Stats(profiler) | |||
|
28 | stats.sort_stats('cumulative') | |||
|
29 | ||||
|
30 | # Redirect output | |||
|
31 | out = StringIO() | |||
|
32 | stats.stream = out | |||
|
33 | ||||
|
34 | stats.print_stats() | |||
|
35 | ||||
|
36 | resp = ''.join(self.response) | |||
|
37 | ||||
|
38 | # Lets at least only put this on html-like responses. | |||
|
39 | if resp.strip().startswith('<'): | |||
|
40 | ## The profiling info is just appended to the response. | |||
|
41 | ## Browsers don't mind this. | |||
|
42 | resp += '<pre style="text-align:left; border-top: 4px dashed red; padding: 1em;">' | |||
|
43 | resp += cgi.escape(out.getvalue(), True) | |||
|
44 | ||||
|
45 | output = StringIO() | |||
|
46 | pprint.pprint(environ, output, depth=3) | |||
|
47 | ||||
|
48 | resp += cgi.escape(output.getvalue(), True) | |||
|
49 | resp += '</pre>' | |||
|
50 | ||||
|
51 | return resp | |||
|
52 | ||||
|
53 |
@@ -45,16 +45,16 b' cache_dir = %(here)s/data' | |||||
45 | keys = root, routes, pylons_app, sqlalchemy |
|
45 | keys = root, routes, pylons_app, sqlalchemy | |
46 |
|
46 | |||
47 | [handlers] |
|
47 | [handlers] | |
48 | keys = console |
|
48 | keys = console,chainsaw | |
49 |
|
49 | |||
50 | [formatters] |
|
50 | [formatters] | |
51 | keys = generic |
|
51 | keys = generic,xmllayout | |
52 |
|
52 | |||
53 | ############# |
|
53 | ############# | |
54 | ## LOGGERS ## |
|
54 | ## LOGGERS ## | |
55 | ############# |
|
55 | ############# | |
56 | [logger_root] |
|
56 | [logger_root] | |
57 |
level = |
|
57 | level = NOTSET | |
58 | handlers = console |
|
58 | handlers = console | |
59 |
|
59 | |||
60 | [logger_routes] |
|
60 | [logger_routes] | |
@@ -84,6 +84,12 b' args = (sys.stderr,)' | |||||
84 | level = NOTSET |
|
84 | level = NOTSET | |
85 | formatter = generic |
|
85 | formatter = generic | |
86 |
|
86 | |||
|
87 | [handler_chainsaw] | |||
|
88 | class = xmllayout.RawSocketHandler | |||
|
89 | args = ('localhost', 4448) | |||
|
90 | level = NOTSET | |||
|
91 | formatter = xmllayout | |||
|
92 | ||||
87 | ################ |
|
93 | ################ | |
88 | ## FORMATTERS ## |
|
94 | ## FORMATTERS ## | |
89 | ################ |
|
95 | ################ | |
@@ -92,3 +98,6 b' formatter = generic' | |||||
92 | format = %(asctime)s,%(msecs)03d %(levelname)-5.5s [%(name)s] %(message)s |
|
98 | format = %(asctime)s,%(msecs)03d %(levelname)-5.5s [%(name)s] %(message)s | |
93 | datefmt = %H:%M:%S |
|
99 | datefmt = %H:%M:%S | |
94 |
|
100 | |||
|
101 | [formatter_xmllayout] | |||
|
102 | class = xmllayout.XMLLayout | |||
|
103 |
General Comments 0
You need to be logged in to leave comments.
Login now