[Zope] Zope pretends to receive and send XMLRPC data, but strace sees nothing !

[yacine chaouche]

Sorry, it seems I didn't click on the right button :), here is the message
sent to the list this time :

Thank you Andreas for showing me this nice tool which is tcpflow.

Thanks to it, I am now sure that the probleme is coming from zope.


Would you take a look at this :
[EMAIL PROTECTED]:~/HTTPCONNECTIONS# tcpflow host 10.75.49.100 and port 8081
tcpflow[20104]: listening on eth0

The tcpflow is run on the 10.75.49.51 machine, the one that zope thinks it
sends two times the XMLRPC query.
10.75.49.100 is the server that runs zope.

Now i click on the button, on both browsers (remember they are on different
machines), invoking the method "toutCompter" via xmlhttprequest, and wait
for zope to complete the requests :


ip: 10.75.49.155 requests counting of lines 1 to 11
ip: 10.75.49.51 requests counting of lines 1 to 11
sending results to 10.75.49.155
sending results to 10.75.49.51
ip: 10.75.49.51 requests counting of lines 1 to 11
sending results to 10.75.49.51



Zope says he got 2 requests form 10.75.49.51 and sent it the results 2
times. Ok, let's check the tcpflow then for these supposed connections :
[EMAIL PROTECTED]:~/HTTPCONNECTIONS# ls
total 8,0K
-rw-r--r-- 1 root root 873 2007-01-18 18:52 010.075.049.051.41131-010.075
.049.100.08081
-rw-r--r-- 1 root root 607 2007-01-18 18:53
010.075.049.100.08081-010.075.049.051.41131

Allright, first file (machine to server):

[EMAIL PROTECTED]:~/HTTPCONNECTIONS# cat 
010.075.049.051.41131-010.075.049.100.08081
POST /aef/rechercheMultiligne/toutCompter HTTP/1.1
Host: 10.75.49.100:8081
User-Agent: Mozilla/5.0 (X11; U; Linux i686; fr; rv:1.8.1) Gecko/20061010
Firefox/2.0
Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9
,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: fr,en-us;q=0.7,en;q=0.3
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-15,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Referer: http://10.75.49.100:8081/aef/rechercheMultiligne
Content-Length: 224
Cookie: _ZopeId="58653529A2r8NuahgXc"
Pragma: no-cache
Cache-Control: no-cache

requete_1=ape%2012*&requete_2=ape%2012*&requete_3=ape%2012*&requete_4=ape%2012*&requete_5=ape%2012*&requete_6=ape%2012*&requete_7=ape%2012*&requete_8=ape%2012*&requete_9=ape%2012*&requete_10=ape%2012*&borneInf=0&borneSup=
10&[EMAIL PROTECTED]:~/HTTPCONNECTIONS#


Allright, there is only ONE POST request. So zope didnt really got two
requests. Now let's see if it sent the data two times as it presumes :

[EMAIL PROTECTED]:~/HTTPCONNECTIONS# cat 
010.075.049.100.08081-010.075.049.051.41131
HTTP/1.1 200 OK
Server: Zope/(Zope 2.9.0-, python 2.4.2, linux2) ZServer/1.1
Date: Thu, 18 Jan 2007 17:51:42 GMT
Content-Length: 413
Charset: utf-8
Content-Type: text/xml; charset=utf-8

33
[EMAIL PROTECTED]:~/HTTPCONNECTIONS#

The results were sent just one time, not two.

What is going on here ?

Any comment would be really appreciated.

Thanks,
Y.Chaouche
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[Zope] How to get modules that are called by external methods reloaded?

[Gaute Amundsen]

Subject says it sall.
Only way I have found so far is to restart zope, and on a production server, 
that is not very popular. Takes about 10 minutes on ours..

Regards

Gaute Amundsen
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Re: [Zope] Zope pretends to receive and send XMLRPC data, but strace sees nothing ! (fwd)

[yacine chaouche]

The toutCompter methode does a lot of thing and it would take a triple
couples of lines to describe what it does all.
Anyway, is there a way for me to detect ConflictErrors ? they don't appear
on the console so i guess they are catched.

Y.Chaouche

2007/1/19, Gabriel Genellina <[EMAIL PROTECTED]>:


At Thursday 18/1/2007 16:30, Andreas Jung wrote:


>
>ip: 10.75.49.155 requests counting of lines 1 to 11
>ip: 10.75.49.51 requests counting of lines 1 to 11
>sending results to 10.75.49.155
>sending results to 10.75.49.51
>ip: 10.75.49.51 requests counting of lines 1 to 11
>sending results to 10.75.49.51
>
>
>
>Zope says he got 2 requests form 10.75.49.51 and sent it the results 2
>times. Ok, let's check the tcpflow then for these supposed connections :
>[...]
>Allright, there is only ONE POST request. So zope didnt really got two
>requests. Now let's see if it sent the data two times as it presumes :
>[...]
>The results were sent just one time, not two.
>
>What is going on here ?

What does the toutCompter method really does? Does it modify some
object state? That might provoke a ConflictError, forcing a
transaction abort and the request to be re-tried (up to three times,
silently, then it goes logged).


--
Gabriel Genellina
Softlab SRL






__
Preguntá. Respondé. Descubrí.
Todo lo que querías saber, y lo que ni imaginabas,
está en Yahoo! Respuestas (Beta).
¡Probalo ya!
http://www.yahoo.com.ar/respuestas

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Re: [Zope] Zope pretends to receive and send XMLRPC data, but strace sees nothing ! (fwd)

[yacine chaouche]

I mean triple couples of lines of code.

2007/1/19, yacine chaouche <[EMAIL PROTECTED]>:


The toutCompter methode does a lot of thing and it would take a triple
couples of lines to describe what it does all.
Anyway, is there a way for me to detect ConflictErrors ? they don't appear
on the console so i guess they are catched.

Y.Chaouche

2007/1/19, Gabriel Genellina <[EMAIL PROTECTED]>:
>
> At Thursday 18/1/2007 16:30, Andreas Jung wrote:
>
>
> >
> >ip: 10.75.49.155 requests counting of lines 1 to 11
> >ip: 10.75.49.51 requests counting of lines 1 to 11
> >sending results to 10.75.49.155
> >sending results to 10.75.49.51
> >ip: 10.75.49.51 requests counting of lines 1 to 11
> >sending results to 10.75.49.51
> >
> >
> >
> >Zope says he got 2 requests form 10.75.49.51 and sent it the results 2
> >times. Ok, let's check the tcpflow then for these supposed connections
> :
> >[...]
> >Allright, there is only ONE POST request. So zope didnt really got two
> >requests. Now let's see if it sent the data two times as it presumes :
> >[...]
> >The results were sent just one time, not two.
> >
> >What is going on here ?
>
> What does the toutCompter method really does? Does it modify some
> object state? That might provoke a ConflictError, forcing a
> transaction abort and the request to be re-tried (up to three times,
> silently, then it goes logged).
>
>
> --
> Gabriel Genellina
> Softlab SRL
>
>
>
>
>
>
> __
> Preguntá. Respondé. Descubrí.
> Todo lo que querías saber, y lo que ni imaginabas,
> está en Yahoo! Respuestas (Beta).
> ¡Probalo ya!
> http://www.yahoo.com.ar/respuestas
>
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Re: [Zope] Zope pretends to receive and send XMLRPC data, but strace sees nothing ! (fwd)

[yacine chaouche]

It writes and reads objects in the session, maybe the probleme comes from
here ? Here's a little sinppet :

   def toutCompter(self):
   """
   xmlrpc methode, called from a web borwser.
   """
   documentXML = ComptageXML()
   #this reads and writes objects in the session
   dicoLignes  = self._fabriquerDicoLignes()
   #do things with dicoLignes
   for inumLigneCourante in xrange(borneInf,borneSup) :
   snumLigneCourante = str(inumLigneCourante)
   ligne = dicoLignes[snumLigneCourante]["requete"]
   #do things here
   self._ajouterAuDico(snumLigneCourante,ligne,comptage,arbre)

   if ligne :
   self._mettreEnSession(resultats)

   response = self.REQUEST.RESPONSE
   response.setHeader("Content-Type","text/xml")
   response.setHeader("charset","utf-8")
   chaineXML = documentXML.formatXML()
   print "sending results to "+addresseIP
   return chaineXML

   def _fabriquerDicoLignes(self):
   formulaire = self.getForm()
   dicoLignes = self.getSession(self,"dicoLignes") or {}
   for key in formulaire.keys():
   #do things...
   self.setSession("dicoLignes", dicoLignes)
   return dicoLignes

   def _fabriquerListeLignes(self):
   dicoLignes = RacineAbstraite.getSession(self,"dicoLignes") or {}
   listeNumeros = dicoLignes.keys()
   listeNumeros.sort( lambda x,y: cmp(int(x), int(y)) )
   return [ dicoLignes[str(inumeroLigne)]["requete"] for inumeroLigne
in \
   sorted( [int(snumeroLigne) for snumeroLigne in
dicoLignes.keys()] ) ]

   def _ajouterAuDico(self,p_snumeroCle,p_ligne,p_comptage,p_arbre):
   dicoLignes = RacineAbstraite.getSession(self,'dicoLignes') or {}
   dicoLignes[p_snumeroCle]  =
{'requete':p_ligne,'comptage':p_comptage,'arbre':p_arbre}
   self.setSession('dicoLignes',dicoLignes)

   def _mettreEnSession(self,p_resultats):
   """
   Mettre en session les résultats d'un comptage.
   """

   # Initialise de la SESSION
   dicoResultatRecherche = {
   'listeCriteres' : [self._fabriquerListeLignes(),
self.getForm('numeroLigne')],
   'nombreEntreprises' : p_resultats[0][0],
   'listeComptage' : p_resultats,
   'listeEntreprises'  : [],
   }
   #On conserve la requete et le resultat en session
   self.setSession('resultatRecherche', p_dicoResultatRecherche.copy())


When toutCompter is called by browser 1, then he will write and read, say,
the dicoLignes object in the session.
When toutCompter is called by browser 2 parallely, is it the same dicoLignes
object that it tries to access or another one is created ? can there be
conflicts somehow ?

Y.Chaouche

2007/1/19, yacine chaouche <[EMAIL PROTECTED]>:


I mean triple couples of lines of code.

2007/1/19, yacine chaouche <[EMAIL PROTECTED]>:
>
> The toutCompter methode does a lot of thing and it would take a triple
> couples of lines to describe what it does all.
> Anyway, is there a way for me to detect ConflictErrors ? they don't
> appear on the console so i guess they are catched.
>
> Y.Chaouche
>
> 2007/1/19, Gabriel Genellina <[EMAIL PROTECTED] >:
> >
> > At Thursday 18/1/2007 16:30, Andreas Jung wrote:
> >
> >
> > >
> > >ip: 10.75.49.155 requests counting of lines 1 to 11
> > >ip: 10.75.49.51 requests counting of lines 1 to 11
> > >sending results to 10.75.49.155
> > >sending results to 10.75.49.51
> > >ip: 10.75.49.51 requests counting of lines 1 to 11
> > >sending results to 10.75.49.51
> > >
> > >
> > >
> > >Zope says he got 2 requests form 10.75.49.51 and sent it the results
> > 2
> > >times. Ok, let's check the tcpflow then for these supposed
> > connections :
> > >[...]
> > >Allright, there is only ONE POST request. So zope didnt really got
> > two
> > >requests. Now let's see if it sent the data two times as it presumes
> > :
> > >[...]
> > >The results were sent just one time, not two.
> > >
> > >What is going on here ?
> >
> > What does the toutCompter method really does? Does it modify some
> > object state? That might provoke a ConflictError, forcing a
> > transaction abort and the request to be re-tried (up to three times,
> > silently, then it goes logged).
> >
> >
> > --
> > Gabriel Genellina
> > Softlab SRL
> >
> >
> >
> >
> >
> >
> > __
> > Preguntá. Respondé. Descubrí.
> > Todo lo que querías saber, y lo que ni imaginabas,
> > está en Yahoo! Respuestas (Beta).
> > ¡Probalo ya!
> > http://www.yahoo.com.ar/respuestas
> >
> > ___
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> >
>
>

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Re: [Zope] How to get modules that are called by external methods reloaded?

[Maciej Wisniowski]

> Subject says it sall.
> Only way I have found so far is to restart zope, and on a production server, 
> that is not very popular. Takes about 10 minutes on ours..
>   
Have you tried to go into Edit form of your external method
and just hit Save button?
This should tell you that External method was updated.

-- 
Maciej Wisniowski
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Re: [Zope] Running egg-packaged product tests

[Sébastien Nicouleaud]

Maybe I should reformulate :

Is there a simple way to run unit tests for products packaged as eggs with
Zope 2.9.6+Five 1.4.2, or with Zope 2.10.1 ?

Thanks
Seb


2007/1/12, Sébastien Nicouleaud <[EMAIL PROTECTED]>:


Hello,

I'm trying to run tests for an egg-packaged product (deployed in
development mode), with zope 2.10.1.
I'm using the "zopectl test" command, with "--path" set to my product
source directory.

The problem is that the test runner seems to call the product initialize()
function 2 times (one during zope initialization, and one during testrunner
initialization), resulting in duplicated profile id declarations...

Is there a way to run the tests for an egg-packaged product without
setting the --path option to the source dir, in order to prevent this
duplication ?

Thanks
Seb
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Re: [Zope] How to get modules that are called by external methodsreloaded?

[Jonathan]

- Original Message - 
From: "Gaute Amundsen" <[EMAIL PROTECTED]>

To: 
Sent: Friday, January 19, 2007 4:36 AM
Subject: [Zope] How to get modules that are called by external 
methodsreloaded?




Subject says it sall.
Only way I have found so far is to restart zope, and on a production 
server,

that is not very popular. Takes about 10 minutes on ours..


AFAIK there is no way to reload a module called by an External Method 
without restarting Zope.  I have encountered this situation many many times. 
If at all possible you should set up a development server so that you can do 
this more quickly (my restarts take about 10-15 seconds) and not impact 
production users.


If you are really stuck with a single server for production and development 
one possible work-around is that you could copy the module source code into 
your external method, develop/debug, then move it out into its own file when 
has been completed.


Jonathan 


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Re: [Zope] How to get modules that are called by external methods reloaded?

[Gaute Amundsen]

On Friday 19 January 2007 12:13, Maciej Wisniowski wrote:
> > Subject says it sall.
> > Only way I have found so far is to restart zope, and on a production
> > server, that is not very popular. Takes about 10 minutes on ours..
>
> Have you tried to go into Edit form of your external method
> and just hit Save button?
> This should tell you that External method was updated.

Most definitely.
That updates everything in the file in the Extensions folder, but noting that 
this file imports.

Gaute
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Re: [Zope] How to get modules that are called by external methodsreloaded?

[Gaute Amundsen]

On Friday 19 January 2007 13:42, Jonathan wrote:
> - Original Message -
> From: "Gaute Amundsen" <[EMAIL PROTECTED]>
> To: 
> Sent: Friday, January 19, 2007 4:36 AM
> Subject: [Zope] How to get modules that are called by external
> methodsreloaded?
>
> > Subject says it sall.
> > Only way I have found so far is to restart zope, and on a production
> > server,
> > that is not very popular. Takes about 10 minutes on ours..
>
> AFAIK there is no way to reload a module called by an External Method
> without restarting Zope.  I have encountered this situation many many
> times. 

Ok, then :-(

> If at all possible you should set up a development server so that 
> you can do this more quickly (my restarts take about 10-15 seconds) and not
> impact production users.
>
> If you are really stuck with a single server for production and development
> one possible work-around is that you could copy the module source code into
> your external method, develop/debug, then move it out into its own file
> when has been completed.
>
> Jonathan

It was just during a maneuver like that, that I happened to reload a page, 
before i had swapped two lib folders...

Ok. Thanks.

Gaute


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Re: [Zope] How to get modules that are called by external methodsreloaded?

[Maciej Wisniowski]

> If you are really stuck with a single server for production and
> development one possible work-around is that you could copy the module
> source code into your external method, develop/debug, then move it out
> into its own file when has been completed.
One may try with different Zope setup. I mean use ZEO with 2 zope
instances that share sessions between them. With proper load balancer
it is possible to almost transparently for the users restart one of
the instances, and later, restart the second one. User are switched
from one instance to the second and they're not losing their sessions.
I've tried this only on a small environment, so I'm not
sure how it will work in big, loaded production environment.

-- 
Maciej Wisniowski
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Re: [Zope] How to get modules that are called by external methods reloaded?

[yacine chaouche]

I think that when you restart zope, it compiles everything that is in the
products directory. So what happens when you compile it for yourself while
zope is running ?

If you have only one machine,  you can setup multiple zope instances to
develop and debug on them so that you are not obliged to restart the
production instance.

Y.Chaouche
2007/1/19, Gaute Amundsen <[EMAIL PROTECTED]>:


On Friday 19 January 2007 12:13, Maciej Wisniowski wrote:
> > Subject says it sall.
> > Only way I have found so far is to restart zope, and on a production
> > server, that is not very popular. Takes about 10 minutes on ours..
>
> Have you tried to go into Edit form of your external method
> and just hit Save button?
> This should tell you that External method was updated.

Most definitely.
That updates everything in the file in the Extensions folder, but noting
that
this file imports.

Gaute
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RE: [Zope] FW: Problem Starting Zope after Installation

[Ken Winter]

 I forgot to answer one question: the Python I'm using is 2.3.5.  (As with
Zope, I chose this version to match the version on the server I'm developing
for.)

 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Sent: Thursday, January 18, 2007 10:19 PM
To: Ken Winter; 'Zope List'
Subject: Re: [Zope] FW: Problem Starting Zope after Installation

 

I wonder why it was not cased in the output in your first message.  This is
strange.

Which batch file do you start it with? can you post it here?

Which version of python are you using? (just for giggles)

 

Bobb

 

PS: If you're early in the installation... which you are it looks like you
may want to "punt" and try it again.

PSS: I assume your ...ateTime\DateTuime.py  below is a typeo, otherwise,
that's your problem.

 

- Original Message - 

From: Ken Winter   

To: [EMAIL PROTECTED] ; 'Zope List'   

Sent: Thursday, January 18, 2007 8:05 PM

Subject: RE: [Zope] FW: Problem Starting Zope after Installation

 

I searched my C: drive for everything with "datetime" (any case) in the
title.  

 

The only relevant "datetime" (any case) *folder* is C:\Program
Files\Zope-2.8.8-final\lib\python\DateTime\, and it is correctly cased.  

 

There are lots of *files* with "datetime" (various cases) in their names,
e.g. C:\Program Files\Zope-2.8.8-final\lib\python\DateTime\DateTuime.py and
C:\Program Files\Zope-2.8.8-final\bin\DLLs\datetime.pyd.  

 

Could any of these be relevant?

 

~ Thanks 

~ Ken

 

 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
Sent: Thursday, January 18, 2007 7:44 PM
To: Ken Winter; Zope List
Subject: Re: [Zope] FW: Problem Starting Zope after Installation

 

your datetime directory should be named DateTime...

Case matters.

 

hth

bobb

 

 

- Original Message - 

From: Ken Winter   

To: Zope List   

Sent: Thursday, January 18, 2007 2:40 PM

Subject: [Zope] FW: Problem Starting Zope after Installation

 

Hi Zope ~

 

I just installed Zope 2.8.8 (version selected to match a server I'm
developing for) on my Windows XP machine, using the instructions in the Zope
Book (http://www.plope.com/Books/2_7Edition/InstallingZope.stx#0-0), and
electing not to run it as a service.  I can't get it to start - see the
attached screen shot for the failure messages.

 

~ TIA

~ Ken


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Re: [Zope] FW: Problem Starting Zope after Installation

[Jonathan]

- Original Message - 
From: "Ken Winter" <[EMAIL PROTECTED]>

To: "'Zope List'" 
Sent: Friday, January 19, 2007 8:52 AM
Subject: RE: [Zope] FW: Problem Starting Zope after Installation




Here is the .bat file:

@set PYTHON=C:\Program Files\Zope-2.8.8-final\bin\python.exe
@set ZOPE_HOME=C:\Program Files\Zope-2.8.8-final
@set INSTANCE_HOME=C:\Zope-Instance
@set SOFTWARE_HOME=C:\Program Files\Zope-2.8.8-final\lib\python
@set CONFIG_FILE=C:\Zope-Instance\etc\zope.conf
@set PYTHONPATH=%SOFTWARE_HOME%
@set ZOPE_RUN=%SOFTWARE_HOME%\Zope2\Startup\run.py
"%PYTHON%" "%ZOPE_RUN%" -C "%CONFIG_FILE%" %1 %2 %3 %4 %5 %6 %7
pause

It is exactly as provided in the Zope 2.8.8 installation kit, except that I
added the "pause" at the end so I could take a screen shot. I run it just
by clicking on its Windows icon, so there are no calling parameters.

I just noticed that the screen shot I sent earlier did not show the whole
"session", so I attach a complete one here.

Yes, "...ateTime\DateTuime.py" my last message was a typo.

<
<~ Thanks again
<~ Ken

I know exactly zip about zope on windows (i'm a linux user), but it looks 
like the zope installer is not finding python on your system ('datetime' is 
a python module; 'DateTime.py' is a Zope module).


You can test your python installation by running python (the version 
specified by the .bat file: C:\Program 
Files\Zope-2.8.8-final\bin\python.exe), and then at the python prompt type: 
from datetime import datetime

and see what happens.

good luck!


Jonathan


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Re: [Zope] FW: Problem Starting Zope after Installation

[Jonathan]

- Original Message - 
From: "Ken Winter" <[EMAIL PROTECTED]>

To: "'Jonathan'" <[EMAIL PROTECTED]>; "'Zope List'" 
Sent: Friday, January 19, 2007 9:45 AM
Subject: RE: [Zope] FW: Problem Starting Zope after Installation



Jonathan ~

I tried your suggestion and got basically the same error (see attached
screen shot).  What does that imply about what to do next?

~ Thanks again
~ Ken


I just checked an older version of python (2.3.4) on my linux server and the 
'from datetime import datetime' command worked just fine, so your 2.3.5 
version should have 'datetime'.  All i can think of is that your python 
installation is pooched.  Can you 'uninstall' python, and then 
download/re-install a fresh version?



Jonathan







-Original Message-
From: Jonathan [mailto:[EMAIL PROTECTED]
Sent: Friday, January 19, 2007 9:22 AM
To: Ken Winter; 'Zope List'
Subject: Re: [Zope] FW: Problem Starting Zope after Installation

...


I know exactly zip about zope on windows (i'm a linux user), but it looks
like the zope installer is not finding python on your system ('datetime'
is
a python module; 'DateTime.py' is a Zope module).

You can test your python installation by running python (the version
specified by the .bat file: C:\Program
Files\Zope-2.8.8-final\bin\python.exe), and then at the python prompt
type:
from datetime import datetime
and see what happens.

good luck!


Jonathan





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Re: [Zope] How to get modules that are called by external methods reloaded?

[Jens Vagelpohl]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1


On 19 Jan 2007, at 14:09, yacine chaouche wrote:

I think that when you restart zope, it compiles everything that is  
in the products directory. So what happens when you compile it for  
yourself while zope is running ?


Sorry, that's just plain wrong. If a PYC file exists for a given PY  
file and the PY file has not been changed since the PYC file has been  
created then the module will not be recompiled.


jens


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Re: [Zope] FW: Problem Starting Zope after Installation

[Maciej Wisniowski]

> I just checked an older version of python (2.3.4) on my linux server
> and the 'from datetime import datetime' command worked just fine, so
> your 2.3.5 version should have 'datetime'.  All i can think of is that
> your python installation is pooched.  Can you 'uninstall' python, and
> then download/re-install a fresh version?
>
Zope for Windows has its own Python included and it is installed
by default at c:\Program files\Zope\bin\python.exe

I've just tried on my vmware Windows installation to download
Zope 2.8.8 final from zope.org and install it.
It just works, even without 'work as service' option.
from datetime import datetime works as well.

Python 2.3.5 (#62, Feb  8 2005, 16:23:02) [MSC v.1200 32 bit (Intel)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
>>> from datetime import datetime
>>> exit
'Use Ctrl-Z plus Return to exit.'
>>> ^Z

I'm not sure why it fails on your system. Try googling for datetime
problems.

-- 
Maciej Wisniowski
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Re: [Zope] How to get modules that are called by external methods reloaded?

[yacine chaouche]

You are right Jens, but I thought that Gaute wanted to apply some
modifications to a module and see the results "live", without restarting
zope.

Y.Chaouche

2007/1/19, Jens Vagelpohl <[EMAIL PROTECTED]>:


-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1


On 19 Jan 2007, at 14:09, yacine chaouche wrote:

> I think that when you restart zope, it compiles everything that is
> in the products directory. So what happens when you compile it for
> yourself while zope is running ?

Sorry, that's just plain wrong. If a PYC file exists for a given PY
file and the PY file has not been changed since the PYC file has been
created then the module will not be recompiled.

jens


-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.5 (Darwin)

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tX/z6pFyQ8f0QVVd3X0d9N4=
=XT9P
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RE: [Zope] FW: Problem Starting Zope after Installation

[Andreas Jung]

--On 19. Januar 2007 12:01:06 -0500 Ken Winter <[EMAIL PROTECTED]> wrote:


I just uninstalled *both* Zope and Python, then downloaded and installed
Zope 2.9.6 (rather than 2.8.8, since I just heard that my server is
upgrading).  Trying to run this yielded the attached error, which at least
is a bit different from the previous one.  In case you can't read the
attachment, the last couple of lines say:

File "C:Zope\2.9.6\Zope\lib\python\AccessControl\Implementation.py", line
51, in setImplementation
From AccessControl ImplC as impl
File "C:Zope\2.9.6\Zope\lib\python\AccessControl\ImplC.py", line 30, in ?
From ImplPython import RestrictedDTML, SecurityManager,
ZopeSecurityPolicy
ImportError: Non module named ImplPython


This indicates that you haven't compiled or installed Zope properly.
Triple check your installation procedure. Usually this never happens when 
you follow the standard "configure; make install; bin/mkzopeinstance.py"

dance.

-aj

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Re: [Zope] FW: Problem Starting Zope after Installation

[rawsystems]

I'm still hung up on the directory name... mine has
C:\Zope288final\lib\python\DateTime
w/ caps, but your print screen, which has "datetime" and not "DateTime".
If this is not caps, this is your error.  Please humor me and double check 
the case.


bobb


- Original Message - 
From: "Jonathan" <[EMAIL PROTECTED]>

To: "Ken Winter" <[EMAIL PROTECTED]>; "'Zope List'" 
Sent: Friday, January 19, 2007 9:59 AM
Subject: Re: [Zope] FW: Problem Starting Zope after Installation




- Original Message - 
From: "Ken Winter" <[EMAIL PROTECTED]>

To: "'Jonathan'" <[EMAIL PROTECTED]>; "'Zope List'" 
Sent: Friday, January 19, 2007 9:45 AM
Subject: RE: [Zope] FW: Problem Starting Zope after Installation



Jonathan ~

I tried your suggestion and got basically the same error (see attached
screen shot).  What does that imply about what to do next?

~ Thanks again
~ Ken


I just checked an older version of python (2.3.4) on my linux server and 
the 'from datetime import datetime' command worked just fine, so your 
2.3.5 version should have 'datetime'.  All i can think of is that your 
python installation is pooched.  Can you 'uninstall' python, and then 
download/re-install a fresh version?



Jonathan







-Original Message-
From: Jonathan [mailto:[EMAIL PROTECTED]
Sent: Friday, January 19, 2007 9:22 AM
To: Ken Winter; 'Zope List'
Subject: Re: [Zope] FW: Problem Starting Zope after Installation

...


I know exactly zip about zope on windows (i'm a linux user), but it 
looks

like the zope installer is not finding python on your system ('datetime'
is
a python module; 'DateTime.py' is a Zope module).

You can test your python installation by running python (the version
specified by the .bat file: C:\Program
Files\Zope-2.8.8-final\bin\python.exe), and then at the python prompt
type:
from datetime import datetime
and see what happens.

good luck!


Jonathan





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Re: [Zope] FW: Problem Starting Zope after Installation

[rawsystems]

google is your friend.
http://plone.org/documentation/error/importerror-no-module-named-implpython

bobb


- Original Message - 
From: "Ken Winter" <[EMAIL PROTECTED]>

To: "'Jonathan'" <[EMAIL PROTECTED]>; "'Zope List'" 
Sent: Friday, January 19, 2007 12:01 PM
Subject: RE: [Zope] FW: Problem Starting Zope after Installation


I just uninstalled *both* Zope and Python, then downloaded and installed
Zope 2.9.6 (rather than 2.8.8, since I just heard that my server is
upgrading).  Trying to run this yielded the attached error, which at least
is a bit different from the previous one.  In case you can't read the
attachment, the last couple of lines say:

File "C:Zope\2.9.6\Zope\lib\python\AccessControl\Implementation.py", line
51, in setImplementation
   From AccessControl ImplC as impl
File "C:Zope\2.9.6\Zope\lib\python\AccessControl\ImplC.py", line 30, in ?
   From ImplPython import RestrictedDTML, SecurityManager,
   ZopeSecurityPolicy
ImportError: Non module named ImplPython

I then tried downloading and (re-)installing Python.  This didn't change the
above result at all.

~ Ken


-Original Message-
From: Jonathan [mailto:[EMAIL PROTECTED]
Sent: Friday, January 19, 2007 9:59 AM
To: Ken Winter; 'Zope List'
Subject: Re: [Zope] FW: Problem Starting Zope after Installation

...


I just checked an older version of python (2.3.4) on my linux server and
the
'from datetime import datetime' command worked just fine, so your 2.3.5
version should have 'datetime'.  All i can think of is that your python
installation is pooched.  Can you 'uninstall' python, and then
download/re-install a fresh version?

Jonathan








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Re: [Zope] How to get modules that are called by external methods reloaded?

[Dieter Maurer]

Gaute Amundsen wrote at 2007-1-19 10:36 +0100:
>Only way I have found so far is to restart zope, and on a production server, 
>that is not very popular. Takes about 10 minutes on ours..

You can use Python's "reload" builtin to reload them.

Be warned however, that you must reload also any module that contains
(has imported) functions defined in the reloaded module.



-- 
Dieter
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Re: [Zope] How to get modules that are called by external methods reloaded?

[Andreas Jung]

--On 19. Januar 2007 10:36:04 +0100 Gaute Amundsen <[EMAIL PROTECTED]> wrote:


Subject says it sall.
Only way I have found so far is to restart zope, and on a production
server,  that is not very popular. Takes about 10 minutes on ours..



10 minutes is too long. Even Plone starts on modern hardware in about 30 
seconds. Are you using persistent ZEO client caches are checked against the 
ZEO server during the startup phase?


-aj

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Re: [Zope] How to get modules that are called by external methodsreloaded?

[Gabriel Genellina]

At Friday 19/1/2007 09:42, Jonathan wrote:


Subject says it sall.
Only way I have found so far is to restart zope, and on a production server,
that is not very popular. Takes about 10 minutes on ours..


AFAIK there is no way to reload a module called by an External 
Method without restarting Zope.  I have encountered this situation 
many many times.


reload(module) inside the E.M., and edit/save it.


--
Gabriel Genellina
Softlab SRL 







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RE: [Zope] FW: Problem Starting Zope after Installation

[Ken Winter]

Andreas ~

I'm installing the "Zope for Dummies" version (appropriate to my level of
expertise): Download Zope-2.9.6-win32.exe, double-click on it, and take all
the defaults (except that I don't install it as a Windows service).  I'm not
sure how even I can do that wrong.  Is there a way?

~ Thanks
~ Ken


> -Original Message-
> From: Andreas Jung [mailto:[EMAIL PROTECTED]
> Sent: Friday, January 19, 2007 12:06 PM
> To: Ken Winter; 'Jonathan'; 'Zope List'
> Subject: RE: [Zope] FW: Problem Starting Zope after Installation
> 
> 
> 
> --On 19. Januar 2007 12:01:06 -0500 Ken Winter <[EMAIL PROTECTED]> wrote:
> 
> > I just uninstalled *both* Zope and Python, then downloaded and installed
> > Zope 2.9.6 (rather than 2.8.8, since I just heard that my server is
> > upgrading).  Trying to run this yielded the attached error, which at
> least
> > is a bit different from the previous one.  In case you can't read the
> > attachment, the last couple of lines say:
> >
> > File "C:Zope\2.9.6\Zope\lib\python\AccessControl\Implementation.py",
> line
> > 51, in setImplementation
> > From AccessControl ImplC as impl
> > File "C:Zope\2.9.6\Zope\lib\python\AccessControl\ImplC.py", line 30, in
> ?
> > From ImplPython import RestrictedDTML, SecurityManager,
> > ZopeSecurityPolicy
> > ImportError: Non module named ImplPython
> 
> This indicates that you haven't compiled or installed Zope properly.
> Triple check your installation procedure. Usually this never happens when
> you follow the standard "configure; make install; bin/mkzopeinstance.py"
> dance.
> 
> -aj

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RE: [Zope] FW: Problem Starting Zope after Installation

[Gabriel Genellina]

At Friday 19/1/2007 11:45, Ken Winter wrote:


I tried your suggestion and got basically the same error (see attached
screen shot).  What does that imply about what to do next?


Something is really *wrong* with your Zope install - C:\Program 
Files\Zope-2.8.8-final\lib\python\DateTime should be the directory 
name, not "datetime". That directory hides the standard Python 
"datetime" module.
I've just downloaded 2.8.8 and installed it and the directory name is 
correct, DateTime.
So I think you should delete all traces of your Zope installation and 
start again.



--
Gabriel Genellina
Softlab SRL 







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RE: [Zope] FW: Problem Starting Zope after Installation

[Ken Winter]

Thanks Bobb ~

What I got from the reference your provided is that Zope 2.9.6 requires
Python 2.4.  So, trying to be as thorough as I can in light of messages from
other forum participants, I:

1. Uninstalled Python (2.3) and Zope (2.9.6) again.
2. Deleted the remaining files from Zope instance from the previous
installation.
3. Searched for any compiled zope files (.pyc) that might be lying around.
I didn't find any that were relevant to Zope.
4. Downloaded and installed Python 2.4.4 (from python-2.4.4.msi). 
5. Reinstalled Zope 2.9.6 (from Zope-2.9.6-win32.exe).
6. Doubled-clicked on C:\Zope\Instance\2.9.6\bin\runzope.bat.

...and got the same error again.  This time I attach a screen shot of just
the last few lines of the error message, which I hope will be more legible.

~ Thanks to all
~ Ken


> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Sent: Friday, January 19, 2007 12:58 PM
> To: Ken Winter; 'Jonathan'; 'Zope List'
> Subject: Re: [Zope] FW: Problem Starting Zope after Installation
> 
> google is your friend.
> http://plone.org/documentation/error/importerror-no-module-named-
> implpython
> 
> bobb
> 
> 
> - Original Message -
> From: "Ken Winter" <[EMAIL PROTECTED]>
> To: "'Jonathan'" <[EMAIL PROTECTED]>; "'Zope List'" 
> Sent: Friday, January 19, 2007 12:01 PM
> Subject: RE: [Zope] FW: Problem Starting Zope after Installation
> 
> 
> I just uninstalled *both* Zope and Python, then downloaded and installed
> Zope 2.9.6 (rather than 2.8.8, since I just heard that my server is
> upgrading).  Trying to run this yielded the attached error, which at least
> is a bit different from the previous one.  In case you can't read the
> attachment, the last couple of lines say:
> 
> File "C:Zope\2.9.6\Zope\lib\python\AccessControl\Implementation.py", line
> 51, in setImplementation
> From AccessControl ImplC as impl
> File "C:Zope\2.9.6\Zope\lib\python\AccessControl\ImplC.py", line 30, in ?
> From ImplPython import RestrictedDTML, SecurityManager,
> ZopeSecurityPolicy
> ImportError: Non module named ImplPython
> 
> I then tried downloading and (re-)installing Python.  This didn't change
> the
> above result at all.
> 
> ~ Ken
> 
> > -Original Message-
> > From: Jonathan [mailto:[EMAIL PROTECTED]
> > Sent: Friday, January 19, 2007 9:59 AM
> > To: Ken Winter; 'Zope List'
> > Subject: Re: [Zope] FW: Problem Starting Zope after Installation
> ...
> >
> > I just checked an older version of python (2.3.4) on my linux server and
> > the
> > 'from datetime import datetime' command worked just fine, so your 2.3.5
> > version should have 'datetime'.  All i can think of is that your python
> > installation is pooched.  Can you 'uninstall' python, and then
> > download/re-install a fresh version?
> >
> > Jonathan
> 
> 
> 
> --
> --
> 
> 
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> >
<>
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RE: [Zope] FW: Problem Starting Zope after Installation

[Ken Winter]

P.S.  Attached is a screen shot showing that ImplPython.py and
ImplPython.pyc do exist on my machine. 

> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> Ken Winter
> Sent: Friday, January 19, 2007 4:54 PM
> To: [EMAIL PROTECTED]; 'Jonathan'; 'Zope List'; 'Gabriel Genellina'
> Subject: RE: [Zope] FW: Problem Starting Zope after Installation
> 
> Thanks Bobb ~
> 
> What I got from the reference your provided is that Zope 2.9.6 requires
> Python 2.4.  So, trying to be as thorough as I can in light of messages
> from
> other forum participants, I:
> 
> 1. Uninstalled Python (2.3) and Zope (2.9.6) again.
> 2. Deleted the remaining files from Zope instance from the previous
> installation.
> 3. Searched for any compiled zope files (.pyc) that might be lying around.
> I didn't find any that were relevant to Zope.
> 4. Downloaded and installed Python 2.4.4 (from python-2.4.4.msi).
> 5. Reinstalled Zope 2.9.6 (from Zope-2.9.6-win32.exe).
> 6. Doubled-clicked on C:\Zope\Instance\2.9.6\bin\runzope.bat.
> 
> ...and got the same error again.  This time I attach a screen shot of just
> the last few lines of the error message, which I hope will be more
> legible.
> 
> ~ Thanks to all
> ~ Ken
> 
> 
> > -Original Message-
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> > Sent: Friday, January 19, 2007 12:58 PM
> > To: Ken Winter; 'Jonathan'; 'Zope List'
> > Subject: Re: [Zope] FW: Problem Starting Zope after Installation
> >
> > google is your friend.
> > http://plone.org/documentation/error/importerror-no-module-named-
> > implpython
> >
> > bobb
> >
> >
> > - Original Message -
> > From: "Ken Winter" <[EMAIL PROTECTED]>
> > To: "'Jonathan'" <[EMAIL PROTECTED]>; "'Zope List'" 
> > Sent: Friday, January 19, 2007 12:01 PM
> > Subject: RE: [Zope] FW: Problem Starting Zope after Installation
> >
> >
> > I just uninstalled *both* Zope and Python, then downloaded and installed
> > Zope 2.9.6 (rather than 2.8.8, since I just heard that my server is
> > upgrading).  Trying to run this yielded the attached error, which at
> least
> > is a bit different from the previous one.  In case you can't read the
> > attachment, the last couple of lines say:
> >
> > File "C:Zope\2.9.6\Zope\lib\python\AccessControl\Implementation.py",
> line
> > 51, in setImplementation
> > From AccessControl ImplC as impl
> > File "C:Zope\2.9.6\Zope\lib\python\AccessControl\ImplC.py", line 30, in
> ?
> > From ImplPython import RestrictedDTML, SecurityManager,
> > ZopeSecurityPolicy
> > ImportError: Non module named ImplPython
> >
> > I then tried downloading and (re-)installing Python.  This didn't change
> > the
> > above result at all.
> >
> > ~ Ken
> >
> > > -Original Message-
> > > From: Jonathan [mailto:[EMAIL PROTECTED]
> > > Sent: Friday, January 19, 2007 9:59 AM
> > > To: Ken Winter; 'Zope List'
> > > Subject: Re: [Zope] FW: Problem Starting Zope after Installation
> > ...
> > >
> > > I just checked an older version of python (2.3.4) on my linux server
> and
> > > the
> > > 'from datetime import datetime' command worked just fine, so your
> 2.3.5
> > > version should have 'datetime'.  All i can think of is that your
> python
> > > installation is pooched.  Can you 'uninstall' python, and then
> > > download/re-install a fresh version?
> > >
> > > Jonathan
> >
> >
> >
> > 
> --
> > --
> >
> >
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> > > Zope maillist  -  Zope@zope.org
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> > >
<>
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Re: [Zope] How to get modules that are called by external methods reloaded?

[Gaute Amundsen]

On Friday 19 January 2007 19:45, Dieter Maurer wrote:
> Gaute Amundsen wrote at 2007-1-19 10:36 +0100:
> >Only way I have found so far is to restart zope, and on a production
> > server, that is not very popular. Takes about 10 minutes on ours..
>
> You can use Python's "reload" builtin to reload them.
>
> Be warned however, that you must reload also any module that contains
> (has imported) functions defined in the reloaded module.

Ah.. to late now, but I wil keep that in mind next time :)

Gaute
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Re: [Zope] How to get modules that are called by external methods reloaded?

[Gaute Amundsen]

On Friday 19 January 2007 19:51, Andreas Jung wrote:
> --On 19. Januar 2007 10:36:04 +0100 Gaute Amundsen <[EMAIL PROTECTED]> wrote:
> > Subject says it sall.
> > Only way I have found so far is to restart zope, and on a production
> > server,  that is not very popular. Takes about 10 minutes on ours..
>
> 10 minutes is too long. Even Plone starts on modern hardware in about 30
> seconds. Are you using persistent ZEO client caches are checked against the
> ZEO server during the startup phase?
>
> -aj

Hm...
We are using the setup right "out of the box" + apache, with Varnish in front 
of the most heavily loaded sites.

Right now (~24:00), it restarted in about aminute actually, but
considering that our DB size is 7030.2M and it contains about 70 virtual 
hosts, does 10 minutes still seem to long when under heavy load?

Gaute
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RE: [Zope] FW: Problem Starting Zope after Installation

[Andreas Jung]

--On 19. Januar 2007 15:34:35 -0500 Ken Winter <[EMAIL PROTECTED]> wrote:


Andreas ~

I'm installing the "Zope for Dummies" version (appropriate to my level of
expertise): Download Zope-2.9.6-win32.exe, double-click on it, and take
all the defaults (except that I don't install it as a Windows service).
I'm not sure how even I can do that wrong.  Is there a way?



The Windows installer works fine for me (running Zope as service
and from the command-line).

-aj

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Description: PGP signature
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RE: [Zope] FW: Problem Starting Zope after Installation

[Andreas Jung]

--On 19. Januar 2007 17:14:42 -0500 Ken Winter <[EMAIL PROTECTED]> wrote:


P.S.  Attached is a screen shot showing that ImplPython.py and
ImplPython.pyc do exist on my machine.


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Ken Winter
Sent: Friday, January 19, 2007 4:54 PM
To: [EMAIL PROTECTED]; 'Jonathan'; 'Zope List'; 'Gabriel Genellina'
Subject: RE: [Zope] FW: Problem Starting Zope after Installation

Thanks Bobb ~

What I got from the reference your provided is that Zope 2.9.6 requires
Python 2.4.  So, trying to be as thorough as I can in light of messages
from
other forum participants, I:

1. Uninstalled Python (2.3) and Zope (2.9.6) again.
2. Deleted the remaining files from Zope instance from the previous
installation.
3. Searched for any compiled zope files (.pyc) that might be lying
around. I didn't find any that were relevant to Zope.
4. Downloaded and installed Python 2.4.4 (from python-2.4.4.msi).
5. Reinstalled Zope 2.9.6 (from Zope-2.9.6-win32.exe).
6. Doubled-clicked on C:\Zope\Instance\2.9.6\bin\runzope.bat.




And why do you need to install Python 2.4.4 in *addition* to Zope?
The Windows installer comes with its own Python installation.
Likely you are messing up the registry somehow. So why the second
Python installation?


-aj

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