erreur bizarre avec mechanize

Invité · 12/11/2010, 14h05

Bonsoir a tous

Je m'etais fait un petit programme/bot au bureau pour rapatrier quelques donnees presentes sur un site web.
Mon post etait sous WinXP, et tout fonctionnait comme un charme.
Une fois rentre a la maison, je transfere ca sur mon Mac Mini, pour continuer ma besogne, et a ma grande surprise... crash violent !

Ma configuration : OSX 10.6.5, Python 2.6.6 de MacPorts (compile en i386)

Mon code test pour reproduire

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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from model import User
from multiprocessing import Pool
import mechanize
 
def fillTask(args):
    email, password, start, end = args
    b=mechanize.Browser()
    # la suite ne sert a rien, vu que tout plante a ce moment la
 
if __name__ == '__main__':
    users = User.query.all()
    pool = Pool(len(users))
    args = []
    size = 5000000 / len(bomber_users) + 1
    for i, user in enumerate(users):
        args.append((user.email, user.password, i * size, (i + 1) * size))
    pool.map(fillTask, args)

Et mon log dans le post suivant.
Je tiens a preciser que bien sur, tout marche sur Win7, et j'ai egalement teste sur mon Archlinux.
De plus, je n'ai aucun probleme en appelant ma fonction en dehors du pool de processus.
Donc c'est vraiment le fait d'instancier un Browser dans le pool qui semble etre un probleme...

Si quelqu'un avait une piste (recompiler python avec telle option, etc...) j'avoue que je serais tres tres tres interesse...

Invité · 12/11/2010, 14h10

et le log immonde qui va avec...

Process: Python [14734]
Path: /opt/local/Library/Frameworks/Python.framework/Versions/2.6/Resources/Python.app/Contents/MacOS/Python
Identifier: Python
Version: ??? (???)
Code Type: X86 (Native)
Parent Process: Python [14724]

Date/Time: 2010-11-12 21:38:28.731 +0900
OS Version: Mac OS X 10.6.5 (10H574)
Report Version: 6

Anonymous UUID: BB8C3B61-0EDA-4C90-9EA2-4E4B041390E6

Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000000000104
Crashed Thread: 0 Dispatch queue: CFMachPort

Thread 0 Crashed: Dispatch queue: CFMachPort
0 libSystem.B.dylib 0x91aec1f2 _dispatch_barrier_async_f_slow + 58
1 com.apple.CoreFoundation 0x91524a50 ___CFMachPortCreateWithPort2_block_invoke_1 + 800
2 libSystem.B.dylib 0x91aea103 dispatch_barrier_sync_f + 78
3 libSystem.B.dylib 0x91ae9fdd dispatch_sync + 48
4 com.apple.CoreFoundation 0x91524620 _CFMachPortCreateWithPort2 + 272
5 com.apple.CoreFoundation 0x9152c1ec CFMachPortCreate + 204
6 com.apple.CoreFoundation 0x9152c009 _CFXNotificationCenterCreate + 281
7 com.apple.CoreFoundation 0x9152bea6 _CFXNotificationGetHostCenter + 86
8 com.apple.CoreFoundation 0x91531802 __CFXPreferencesGetSourceForTriplet + 354
9 com.apple.CoreFoundation 0x91530a7d __CFXPreferencesGetSearchListForBundleID + 205
10 com.apple.CoreFoundation 0x91530925 CFPreferencesCopyAppValue + 53
11 com.apple.SystemConfiguration 0x94844348 SCDynamicStoreCopyProxies + 44
12 _scproxy.so 0x017f19fb get_proxies + 27
13 org.python.python 0x000ba16b PyEval_EvalFrameEx + 29435
14 org.python.python 0x000b9a09 PyEval_EvalFrameEx + 27545
15 org.python.python 0x000b9a09 PyEval_EvalFrameEx + 27545
16 org.python.python 0x000bb32c PyEval_EvalCodeEx + 2076
17 org.python.python 0x0003daec function_call + 156
18 org.python.python 0x0000d685 PyObject_Call + 85
19 org.python.python 0x0001f975 instancemethod_call + 389
20 org.python.python 0x0000d685 PyObject_Call + 85
21 org.python.python 0x000b1d0e PyEval_CallObjectWithKeywords + 78
22 org.python.python 0x00022a15 PyInstance_New + 117
23 org.python.python 0x0000d685 PyObject_Call + 85
24 org.python.python 0x000b6d68 PyEval_EvalFrameEx + 16120
25 org.python.python 0x000bb32c PyEval_EvalCodeEx + 2076
26 org.python.python 0x0003daec function_call + 156
27 org.python.python 0x0000d685 PyObject_Call + 85
28 org.python.python 0x0001f975 instancemethod_call + 389
29 org.python.python 0x0000d685 PyObject_Call + 85
30 org.python.python 0x000b6d68 PyEval_EvalFrameEx + 16120
31 org.python.python 0x000bb32c PyEval_EvalCodeEx + 2076
32 org.python.python 0x0003daec function_call + 156
33 org.python.python 0x0000d685 PyObject_Call + 85
34 org.python.python 0x0001f975 instancemethod_call + 389
35 org.python.python 0x0000d685 PyObject_Call + 85
36 org.python.python 0x000b1d0e PyEval_CallObjectWithKeywords + 78
37 org.python.python 0x00022a15 PyInstance_New + 117
38 org.python.python 0x0000d685 PyObject_Call + 85
39 org.python.python 0x000b6d68 PyEval_EvalFrameEx + 16120
40 org.python.python 0x000bb32c PyEval_EvalCodeEx + 2076
41 org.python.python 0x0003daec function_call + 156
42 org.python.python 0x0000d685 PyObject_Call + 85
43 org.python.python 0x000b1d0e PyEval_CallObjectWithKeywords + 78
44 org.python.python 0x000af328 builtin_map + 968
45 org.python.python 0x000b8422 PyEval_EvalFrameEx + 21938
46 org.python.python 0x000bb32c PyEval_EvalCodeEx + 2076
47 org.python.python 0x0003dbe6 function_call + 406
48 org.python.python 0x0000d685 PyObject_Call + 85
49 org.python.python 0x000b5251 PyEval_EvalFrameEx + 9185
50 org.python.python 0x000bb32c PyEval_EvalCodeEx + 2076
51 org.python.python 0x0003dbe6 function_call + 406
52 org.python.python 0x0000d685 PyObject_Call + 85
53 org.python.python 0x000b5251 PyEval_EvalFrameEx + 9185
54 org.python.python 0x000b9a09 PyEval_EvalFrameEx + 27545
55 org.python.python 0x000b9a09 PyEval_EvalFrameEx + 27545
56 org.python.python 0x000bb32c PyEval_EvalCodeEx + 2076
57 org.python.python 0x0003daec function_call + 156
58 org.python.python 0x0000d685 PyObject_Call + 85
59 org.python.python 0x0001f975 instancemethod_call + 389
60 org.python.python 0x0000d685 PyObject_Call + 85
61 org.python.python 0x00073157 slot_tp_init + 87
62 org.python.python 0x0007012a type_call + 218
63 org.python.python 0x0000d685 PyObject_Call + 85
64 org.python.python 0x000b6d68 PyEval_EvalFrameEx + 16120
65 org.python.python 0x000b9a09 PyEval_EvalFrameEx + 27545
66 org.python.python 0x000bb32c PyEval_EvalCodeEx + 2076
67 org.python.python 0x0003daec function_call + 156
68 org.python.python 0x0000d685 PyObject_Call + 85
69 org.python.python 0x0001f975 instancemethod_call + 389
70 org.python.python 0x0000d685 PyObject_Call + 85
71 org.python.python 0x00073157 slot_tp_init + 87
72 org.python.python 0x0007012a type_call + 218
73 org.python.python 0x0000d685 PyObject_Call + 85
74 org.python.python 0x000b6d68 PyEval_EvalFrameEx + 16120
75 org.python.python 0x000bb32c PyEval_EvalCodeEx + 2076
76 org.python.python 0x000b8e48 PyEval_EvalFrameEx + 24536
77 org.python.python 0x000bb32c PyEval_EvalCodeEx + 2076
78 org.python.python 0x000bb467 PyEval_EvalCode + 87
79 org.python.python 0x000dff0c PyRun_FileExFlags + 172
80 org.python.python 0x000e0274 PyRun_SimpleFileExFlags + 596
81 org.python.python 0x000f114f Py_Main + 3183
82 org.python.python 0x00001f65 0x1000 + 3941

Thread 0 crashed with X86 Thread State (32-bit):
eax: 0xa028ff28 ebx: 0xa028ff00 ecx: 0x00000100 edx: 0x02a00020
edi: 0x00241850 esi: 0x91aecbb0 ebp: 0xbfffa878 esp: 0xbfffa850
ss: 0x0000001f efl: 0x00010206 eip: 0x91aec1f2 cs: 0x00000017
ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037
cr2: 0x00000104

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Model: Macmini3,1, BootROM MM31.00AD.B00, 2 processors, Intel Core 2 Duo, 2.26 GHz, 2 GB, SMC 1.35f1
Graphics: NVIDIA GeForce 9400, NVIDIA GeForce 9400, PCI, 256 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x90), Broadcom BCM43xx 1.0 (5.10.131.36.1)
Bluetooth: Version 2.3.8f7, 2 service, 19 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: FUJITSU MHZ2160BH G1, 149.05 GB
Serial ATA Device: OPTIARC DVD RW AD-5680H
USB Device: USB 2.0 Hub [MTT], 0x1a40 (TERMINUS TECHNOLOGY INC.), 0x0201, 0x24100000
USB Device: Transit, 0x0718 (Imation Corp.), 0x0672, 0x24150000
USB Device: C-Media USB Headphone Set, 0x0d8c (C-MEDIA ELECTRONICS INC.), 0x000c, 0x24110000
USB Device: G15 Keyboard Hub, 0x046d (Logitech Inc.), 0xc223, 0x24140000
USB Device: G15 GamePanel LCD, 0x046d (Logitech Inc.), 0xc227, 0x24144000
USB Device: G15 Gaming Keyboard, 0x046d (Logitech Inc.), 0xc226, 0x24141000
USB Device: USB Receiver, 0x046d (Logitech Inc.), 0xc521, 0x24120000
USB Device: USB 2.0 Camera, 0x0c45 (Sonix Technology Co., Ltd.), 0x62c0, 0x24130000
USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0x04500000
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06100000
USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8216, 0x06110000

**wiztricks** · 12/11/2010, 17h07

Joli!!!!
Est ce que çà plante aussi en faisant seulement la partie mechanize, genre:

Code :

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import mechanize
b = mechanize.browser()

ou est-ce lié au contexte?
- W

Invité · 13/11/2010, 02h06

Lorsque j'appelle ma fonction en dehors du pool (directement, sans passer par "map"), tout fonctionne correctement.
Par contre, des que je passe par le pool (meme si je reduis sa taille a 1 process), j'ai mon plantage (MacOS only, ce qui me laisse encore plus perplexe !!!)

**wiztricks** · 13/11/2010, 12h39

Salut

Virons mechanize et regardons si c'est "solide".

L'exemple de la doc:

Code :

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from multiprocessing import Pool
 
def f(x):
    return x*x
 
if __name__ == '__main__':
    pool = Pool(processes=4)              # start 4 worker processes
    result = pool.apply_async(f, [10])     # evaluate "f(10)" asynchronously
    print result.get(timeout=1)           # prints "100" unless your computer is *very* slow
    print pool.map(f, range(10))          # prints "[0, 1, 4,..., 81]"

fonctionne-t-il chez vous?

- W
PS: Je suis sous MacOSX Intel 10.6.5, python 2.7

Invité · 13/11/2010, 12h42

J'avais egalement essaye l'exemple de la doc au cas ou, et il fonctionne parfaitement.

erreur bizarre avec mechanize

Réseau/Web Python

Vue hybride

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