[Zope-dev] What should be done with Nulls in Database result sets?
I have been having all sorts of trouble upgrading from ZODBCDA to ZmxODBC. The ZODBCDA users RDB.DatabaseResults and ZmxODBC (modified from ZOracleDA) uses Results.Results. These two classes seem to do exactly the same purpose and so I suppose one shouldn't exist. The important point is that handle NULL values very differently. Results let them pass through as None values whereas DatabaseResults change them to the special value MissingValue. MissingValue is nice becuase its string representation is an empty string which is nice on html forms etc. Why doesn't Results do this too? What is the official word on what a DA should be returning for NULLs? Dylan Jay Tel: +61 2 9886-8961 Avaya Communication FAX: +61 2 9352 9224 Level 5, 15 Talavera Road Mobile:+61 409 606 171 Nth Ryde, NSW, 2113 ICQ: 520341 AUSTRALIA ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Cache-bug in handling of files
Guess noone could help me. I chunked it into the bug collector now. Peter Peter Arvidsson skrev: I started this thread on the regular zope mailinglist but now I found a similar posting to my problem in the archives. I have fileobjects where I store pdf-files. If I want to change the pdf-file I use the method "manage_upload". The problem is that if I try to view it it always choose the one that is in the cache. It displays the new one if I open it in a new window or if I save it to disk. The filesize and everything else is for the new file. The thread I found was this: http://zope.nipltd.com/public/lists/zope-archive.nsf/Main/AED89A938194225580256857007679ED?OpenDocumentmode=subjecttopic=[Zope]Dumbobjectaliasingquestion This points to a bug report and after serching for it I found it: [754] Zope Bug: Uploaded Images Don't Appear Immediately Category: General Last Updated: Oct 29, 1999 7:05 am Submitted On: Oct 12, 1999 3:58 am Status: Ongoing Reported Version: 2.0.1 Expected/Fixed Version: The strange thing is that this is still Ongoing after almost a year since it was submitted! There was a fix for the problem in the mailinglist thread but 1. I dont know if Image.py is used for all files and 2. I looked in Image.py and didnt fing the code to be similar to the one in the thread. So because I am a newbie in python I want to ask if any1 could take a look at this for me and hopefully make a patch or at least get as much information I need to chunk it in the collector. Peter ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope ) ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
RE: [Zope-dev] Cache-bug in handling of files
I have fileobjects where I store pdf-files. If I want to change the pdf-file I use the method "manage_upload". The problem is that if I try to view it it always choose the one that is in the cache. It displays the new one if I open it in a new window or if I save it to disk. The filesize and everything else is for the new file. That sounds very suspicious - what are your IE cache settings? This points to a bug report and after serching for it I found it: [754] Zope Bug: Uploaded Images Don't Appear Immediately Category: General Last Updated: Oct 29, 1999 7:05 am Submitted On: Oct 12, 1999 3:58 am Status: Ongoing Reported Version: 2.0.1 Expected/Fixed Version: The strange thing is that this is still Ongoing after almost a year since it was submitted! This bug report was related to the fact that the user was accessing the file through a Squid cache and that at the time (Zope 2.0.1) there was a legitimate bug in the way that "If-Modified-Since" headers were handled. Squid was actually returning the file to him. It should have been marked completed quite a while ago (I just did that). I am using IE 5 (5.00.2314.1003), cache settings set to: "Check for newer versions of stored pages: x Every visit to the page ...and I cannot reproduce the problem that you are describing :( Are these your cache settings? Are you accessing the server through any kind of proxy? Thanks Brian Lloyd[EMAIL PROTECTED] Software Engineer 540.371.6909 Digital Creations http://www.digicool.com ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Cache-bug in handling of files
That sounds very suspicious - what are your IE cache settings? [...] This bug report was related to the fact that the user was accessing the file through a Squid cache and that at the time (Zope 2.0.1) there was a legitimate bug in the way that "If-Modified-Since" headers were handled. Squid was actually returning the file to him. It should have been marked completed quite a while ago (I just did that). I am using IE 5 (5.00.2314.1003), cache settings set to: "Check for newer versions of stored pages: x Every visit to the page ...and I cannot reproduce the problem that you are describing :( Are these your cache settings? Are you accessing the server through any kind of proxy? Thanks I am using IE 5 (5.00.2919.6307), cache settings set to: "Check for newer versions of stored pages: Automatically Those settings should get the new file if it has changed. I am accessing the server through a proxy.. could that be a problem? I think it would be strange if everyone accessing the website I am building can see the new files.. What do you think? Peter ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
RE: [Zope-dev] Cache-bug in handling of files
I am using IE 5 (5.00.2919.6307), cache settings set to: "Check for newer versions of stored pages: Automatically Those settings should get the new file if it has changed. I am accessing the server through a proxy.. could that be a problem? I think it would be strange if everyone accessing the website I am building can see the new files.. What do you think? Peter Peter - I have done some testing here and I can demonstrate that this is an IE issue. I set my cache to "Automatically" like yours and restarted it. I then opened a Netscape and created a new file object. I instrumented the code in the 'index_html' method of File objects so that I could tell _for sure_ whether things were actually being called at the server or not. Here's what I did: - create a file 'myfile.txt', uploading a contents of text1.txt into it. - visit the view tab with IE. The server confirms that the index_html was called, and the whole content was sent, not a 304. - now (using netscape again) upload the contents of text2.txt into the file object. The mgmt screen correctly shows the updated byte length, etc. - click the 'view' tab again on IE. My instrumenting confirms that IE is not contacting the server *at all* no matter how many times I click the 'view' tab, and I keep seeing the old content. A look at the headers produced by this shows nothing that tells IE it should be doing that: HTTP/1.1 200 OK Server: Zope/(unreleased version) ZServer/1.1b1 Date: Fri, 11 Aug 2000 15:18:50 GMT Connection: close Content-Type: text/plain Content-Length: 944 Last-Modified: Fri, 11 Aug 2000 15:16:06 GMT Interestingly, if you open the "view" tab in a new window, you'll see the updated content. Now, using that same new window, set your cursor at the end of the url string in the url bar and hit return. IE seems to reload the page, but it is not actually even contacting the server. Stranger yet, if you click the "refresh" button it *will* contact the server (and it passes an If-Modified-Since header, and correctly gets a 304 Not Modified). Now, use netscape to change the content again. The whole thing starts over. Clicking the 'view' link on the page or pressing return in the URL bar will not even contact the server and the only way to get the updated content is to explicitly press "refresh" or open a new window, even though the resource returned no caching information one way or the other. I'm going to close that bug report and include this report for those who may find it useful in the future. Brian Lloyd[EMAIL PROTECTED] Software Engineer 540.371.6909 Digital Creations http://www.digicool.com ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] Cache-bug in handling of files
since all the data at my corporate intranet site is pulled from a RDMS, all my refrence URLS are generated in JavaScript and have a rnd="a randomly generated number between 1 and a million" to force the browser to get the current page. __ Jim Sanford . Database Engineer / \ / Accelerated Technology, Inc. / / 720 Oak Circle Drive East / / \Mobile, AL 36609 / / \ Voice: 334-661-5770 fax: 334-661-5788 / \ E-Mail: [EMAIL PROTECTED] Web: http://www.atinucleus.com Nucleus. All You NEED in an RTOS. Royalty Free __ - Original Message - From: Brian Lloyd [EMAIL PROTECTED] To: 'Peter Arvidsson' [EMAIL PROTECTED]; Brian Lloyd [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Friday, August 11, 2000 10:44 AM Subject: RE: [Zope-dev] Cache-bug in handling of files I am using IE 5 (5.00.2919.6307), cache settings set to: "Check for newer versions of stored pages: Automatically Those settings should get the new file if it has changed. I am accessing the server through a proxy.. could that be a problem? I think it would be strange if everyone accessing the website I am building can see the new files.. What do you think? Peter Peter - I have done some testing here and I can demonstrate that this is an IE issue. I set my cache to "Automatically" like yours and restarted it. I then opened a Netscape and created a new file object. I instrumented the code in the 'index_html' method of File objects so that I could tell _for sure_ whether things were actually being called at the server or not. Here's what I did: - create a file 'myfile.txt', uploading a contents of text1.txt into it. - visit the view tab with IE. The server confirms that the index_html was called, and the whole content was sent, not a 304. - now (using netscape again) upload the contents of text2.txt into the file object. The mgmt screen correctly shows the updated byte length, etc. - click the 'view' tab again on IE. My instrumenting confirms that IE is not contacting the server *at all* no matter how many times I click the 'view' tab, and I keep seeing the old content. A look at the headers produced by this shows nothing that tells IE it should be doing that: HTTP/1.1 200 OK Server: Zope/(unreleased version) ZServer/1.1b1 Date: Fri, 11 Aug 2000 15:18:50 GMT Connection: close Content-Type: text/plain Content-Length: 944 Last-Modified: Fri, 11 Aug 2000 15:16:06 GMT Interestingly, if you open the "view" tab in a new window, you'll see the updated content. Now, using that same new window, set your cursor at the end of the url string in the url bar and hit return. IE seems to reload the page, but it is not actually even contacting the server. Stranger yet, if you click the "refresh" button it *will* contact the server (and it passes an If-Modified-Since header, and correctly gets a 304 Not Modified). Now, use netscape to change the content again. The whole thing starts over. Clicking the 'view' link on the page or pressing return in the URL bar will not even contact the server and the only way to get the updated content is to explicitly press "refresh" or open a new window, even though the resource returned no caching information one way or the other. I'm going to close that bug report and include this report for those who may find it useful in the future. Brian Lloyd[EMAIL PROTECTED] Software Engineer 540.371.6909 Digital Creations http://www.digicool.com ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope ) ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
Re: [Zope-dev] OFS.objectManager checking object Ids
In article [EMAIL PROTECTED],
Jim Fulton [EMAIL PROTECTED] wrote:
bad_id=ts_regex.compile('[^a-zA-Z0-9-_~\,\. ]').search #TS
I think that it's a bad idea to allow '?'s in ids
and am sorry if it was allowed. In general, I don't
like to see characters in ids that need to be quoted.
I'm not happy that ' ' was added, although
I understand why.
Could '=' be added to the allowed characters, please? It works fine that
way, AFAICT, and it's handy if you want to reflect LDAP-like namespaces
in a Zope application. And ZLDAPConnection support '=' in path
components, so it seems kind of silly for Zope itself not to.
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Re: [Zope] zope2.2.0 and what is high load
On Fri, 11 Aug 2000, Chris McDonough wrote: i went to each Zeo client control_panel, and see that there's a mzximum of four connections open at any given time. comments to the above. i saw only four threads because i started that particular box with the default. on the box with -t25, i see 7 open connections at any given time. sorry, my mistake. That's about it for your problem. Maybe the profiling stuff can give more info, I'm not sure. i'll try and read more about that profiling. but not knowing what it does really scares me :) It shows that four threads have database connections. I'm curious as to why you're only seeing four threads being served by database connections too. as mentioned above, my bad. right after i sent the prev mail, i went to the other box with -t25, and it does have 7 open connections. You may want to ramp your number of threads down to 5 (-t5). 25 doesn't do much for you because only 7 threads can be using database connections at any given time. The high number of threads you're servicing might actually be slowing things down as they contend for available database connections. will do. and hope to see that it does something. Why are you frontending this with apache? how are you servicing two ZEO clients via a single apache? Does it do some sort of round-robining? Or does each box have its own apache? each box has its own apache. i'm round robining (straight dns round robin). ZEO is also a concern here because i'm using it blindly, unfortunately. but it works great if i got less than 150 simultaneous connections. and this symptom i saw prevuiously, even without ZEO. Is there any reason you're not just using straight ZServer? I'm wondering if apache processes contending to talk to available Zope python threads might be slowing stuff down? we need to serve some othe things from apache, that can't be done thru ZServer alone (a little php stuff) It doesn't seem as if bumping your number of database connections will do us any good here, because it doesn't seem you're using all 7. I'm not sure *why* you're not using all 7, because you've got at least 15 processes waiting around just on your top screen for DB connections. i did some grepping and saw the magical number 7 in ZODB/DB.py. is that the number to turn up if i wanted to try increasing the db pool connection? i do have postgresql with ZPygreSQL. will that have anything to do with what i'm facing? Maybe manage_debug isn't telling you the whole story, or maybe you caught it at a low-load period. I wonder if the profiling stuff would help here. Maybe someone else can jump in here, this is all I can think of at the moment. thanks for sparing some time helping me out. i love zope, and open source in general, and i can't bear having to switch to using something i don't really like. ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Reloading file objects?
I later found out this was a bug. The bug was reported 1999-10-12 as number 754: [754] Zope Bug: Uploaded Images Don't Appear Immediately Category: General Last Updated: Oct 29, 1999 7:05 am Submitted On: Oct 12, 1999 3:58 am Status: Ongoing Reported Version: 2.0.1 Expected/Fixed Version: Strange that is is still ongoing after almost a year. Anyway the problem was that it always used the cached file and a discussion about this was found in the archives: http://zope.nipltd.com/public/lists/zope-archive.nsf/Main/AED89A938194225580256857007679ED?OpenDocumentmode=subjecttopic=[Zope]Dumbobjectaliasingquestion I chunked it into the collector again as bugreport 809 so we just have to wait and see now. Peter Terry Kerr skrev: are u using netscape? this seems to be a netscape cache problem. The same happens with images. You have to download the image to harddisk for netscape to update its cache. Peter Arvidsson wrote: I have file-objects containing pdf-files. When I change the object to contain another pdf-file (with "manage_upload") I get a problem. When I want to view the file it still shows the old file. However when I choose save to disk I get the new object and if I take a look at its properties (size etc...) they are for the new object. Does anyone know a way to get the file to show the new pdf-file when I want to view it? I have tried to put META HTTP-EQUIV="Pragma" CONTENT="no-cache" in the page where I have the link to the file but that doesnt affect the file when I open it. The link I use are the path for the file as it is on the view-tab of the object. Is there some way to get it to show the new file when I view it and not only when I save it to disk or open it in a new window? ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev ) -- Terry Kerr ([EMAIL PROTECTED]) Adroit Internet Solutions Pty Ltd (www.adroit.net) Phone: +613 9563 4461 Fax: +613 9563 3856 Mobile: +61 414 938 124 ICQ: 79303381 ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev ) ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] problem running Zope
BDY.RTF
[Zope] Hungry Zopitista Looking for a Revoloution
Hi, I am a Python/Zope Developer looking for work. Telecommuting or something in the area of Pasadena, CA. contract, part-time, fulltime. I tried the Zope job board but response was virtually nonexistent. My resume is up on my homepage http://sindev.dyndns.org/Home viva la revolution. Kapil Thangavelu ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] access via http://some domain/Zope/
I have Zope running on two seperate machines. I configured the machines EXACTLY the same. The development machine which is MASQed behind the production machine can access Zope via http;//localhost:8080 and http://localhost/Zope/ The production machine can be accessed via http://www.nitemaster.yi.org:8080 but not by http://www.nitemaster.yi.org/Zope/ When I try to access via the second method, I keep getting a FORBIDDEN error message. I have searched file permissions comparing the two implementations to no avail. System specs to follow in case it is something with those but I don't believe so. Development Machine RedHat 6.2 Apache 1.3.12 (Standard Install from RedHat) Zope 2.2.0 Production Machine RedHat 6.1 Apache 1.3.12 - (Custom Install from Sources) - /usr/local/apache/ source tree Zope 2.2.0 I am sure it has something to do with permissions somewhere but I am at a loss. ls -l /usr/local/apache/cgi-bin/Zope.cgi -rwxr-xr-x 1 nobody nobody582 Aug 10 22:16 Zope.cgi ls -l /usr/local/Zope-2.2.0-linux2-x86/pcgi/pcgi-wrapper -rwxr-xr-x 1 nobody nobody 36231 Aug 10 22:25 /usr/local/Zope-2.2.0-linux2-x86/pcgi/pcgi-wrapper If there are any other files that you want the permissions for, just let me know :) Michael Demers Nitemaster Consulting Services [EMAIL PROTECTED] ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] In-tag Batch processing
Thanks Dieter, But I'm using Zope 2.2 So what am I doing wrong? Regards, Tom At 23:02 10/08/2000 +0200, Dieter Maurer wrote: Tom Deprez writes: But how can you provide a link to the next batch of items at the start of the batch table? You need Zope 2.2 or the patch at URL:http://www.dieter.handshake.de/pyprojects/zope/dt_in.pat or you use the "next" argument of the "in" tag. Dieter ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
RE: [Zope] file uploading from IE browser
What's the HTML you're using for the upload? Hi All, I'ved followed the online How-To on implementing a simple service for parsing uploaded files via the browser. But strangely, it only works for Netscape browsers. When I test the uploading using IE, the supposed file object becomes a string object, causing all sorts of problems. How am I suppose to get the file object from IE browsers? Thanks in advance! Dave ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] Batch processing
Hi,
few q'ns concerning batch processing:
1. I want the user to be able to choose a batch-page. So, when a query is
done, I want to show something like :
previous page 1 - 2 - 3 - 4 - 5 next page.
The following code works partly: ie. the one thing missing is that it
doesn't shows the current page. How can I implement this?
dtml-in address_lookup previous size=5 start=query_start
dtml-in previous-batches mapping
dtml-unless sequence-startnbsp;
/dtml-unless
a href="dtml-var document_iddtml-var
sequence-queryquery_start=dtml-var batch-start-number"
dtml-var
"(_.getitem('batch-start-index',0)/_.getitem('batch-size',0))+1"/a
/dtml-in
/dtml-in
dtml-in address_lookup next size=5 start=query_start
dtml-in next-batches mapping
dtml-unless sequence-startnbsp;
/dtml-unless
a href="dtml-var document_iddtml-var
sequence-queryquery_start=dtml-var batch-start-number"
dtml-var
"(_.getitem('batch-start-index',0)/_.getitem('batch-size',0))+1"/a
/dtml-in
/dtml-in
dtml-in address_lookup size=5 start=query_start
...
/dtml-in
2. Is there an easier way to get what I want?
3. Does the above code means that it has to iterate 3 times over the list?
Isn't there a way so that it needs only one pass over the list?
Thanks in advance,
Tom Deprez.
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[Zope] Difference between manage_changeProperties and manage_editProperties?
What is the difference? Somewhere I read that one of them erased all properties and changed those that are sent to the method (causing properties that is not sent to the method to be empty) but I dont remeber where I read it or which one it was? Are there any other differences? ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] Defining High Load in Heavily DB Driven site (was: [Zope] zope2.2.0 and what is high load)
Hello! I need to find more info on how Zope handles threading with relation to database connections. I am currently considering and evaluating Zope as one of the options we have to build a really large, completely databasedriven "enterprise scale" web-platform. I am a bit worried about this "maximum of 7 threads per db connection" limitation mentioned previously, and I need to know a) what does this mean in terms of accesibility, b) how does it affect performace, and c) how does Zope work (in detail) with external database connections. We are going to be using Oracle as our DB backend, all our served data will be database *only* (some of it will be fairly large), and efficient database connections is *crucial* to what we intend to do. We are going to have between 10-20k users at most and I expect the maximun of simultaneous connections to be beween 400 - 900 under heavy load; "normal load" will probably oscillate around 25-200 simultaneous connections (these numbers are crude guesses, but take into account increased usage over time as more services are provided in the future). Bandwith problems are not an issue, nor is computing power. I would appreciate any pointers to documentation or people to ask. Sincerely, /dario - Dario Lopez-Kästen Systems Developer Chalmers Univ. of Technology [EMAIL PROTECTED] ICQ will yield no hitsIT Systems Services ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] Python + COM (from external method)
How come this fails...
--
import win32com.client
oOleObj = win32com.client.Dispatch("DSOleFile.PropertyReader")
--
when run from Zope (within and External Method) when it works from Python
standalone on the same machine ?
SRE
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RE: [Zope] application/octet-stream vs. application/msword
Hi Dieter all
How does Zope recognize the type of a file?
It uses "OFS.content_types.guess_content_type"
OK, so 'manage_addFile' uses 'guess_content_type'?
I'm a bit confused here .. I see three lists of content
types, excerpted below. They are in:
1. 'lib/python/OFS/content_types.py'
2. 'bin/lib/mimetypes.py' and
3. 'ZServer/medusa/mime_type_tabel.py'
There is some overlap between the lists (eg. '.doc' occurs
in 1 and in 3, and '.cdf' occurs in all three). What relation
is there between the lists?
The other thing I'm wondering is, it looks as if '.doc' should
*always* be recognized as msword. How could it sometimes turn up
as octet-stream? To add documents I call:
a href="manage_addProduct/ccDoc/ccDocClass_factory"
Add a document./a
The initial method of 'ccDocClass_factory' is 'ccDocClass_addForm',
and that form's action is 'ccDocClass_add' which eventually calls:
dtml-call "manage_addFile('', file, '')"
So how come '.doc's get added as application/octet-stream ?
Excerpts:
-
In 'lib/python/OFS/content_types.py' I find:
# This gives us a hook to add content types that
# aren't currently listed in the mimetypes module.
_addtypes=(
('.cdf', 'application-x-cdf'),
('.doc', 'application/msword'),
[...]
('.xul', 'text/xul'),
)
and in 'bin/lib/mimetypes.py' I find:
types_map = {
[...]
'.bcpio': 'application/x-bcpio',
'.bin': 'application/octet-stream',
'.cdf': 'application/x-netcdf',
'.cpio': 'application/x-cpio',
'.csh': 'application/x-csh',
[...]
'.zip': 'application/zip',
}
and, finally, in 'ZServer/medusa/mime_type_tabel.py' I find:
# Converted by ./convert_mime_type_table.py from:
# /usr/src2/apache_1.2b6/conf/mime.types
#
content_type_map = \
{
[...]
'cdf': 'application/x-netcdf',
[...]
'doc': 'application/msword',
[...]
'zip': 'application/zip',
}
--
jean
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Re: [Zope] Python + COM (from external method)
Steinar,
Did you call pythoncom.CoInitialize()?
If not you need to.
hth
Phil
[EMAIL PROTECTED]
- Original Message -
From: "Steinar Rune Eriksen" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, August 11, 2000 12:49 PM
Subject: [Zope] Python + COM (from external method)
How come this fails...
--
import win32com.client
oOleObj = win32com.client.Dispatch("DSOleFile.PropertyReader")
--
when run from Zope (within and External Method) when it works from Python
standalone on the same machine ?
SRE
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[Zope] Batch Processing, final
Pfew, I managed to implement the thing I wanted. However I'm not satisfied.
There must be an easier solution. If somebody knows which, then please let
me know! Thanks. Here is the code I use to display something like in a
search result :
Previous 1 2 3 4 5 6 Next
dtml-in address_lookup size=5 start=query_start
dtml-if sequence-start
pSearch Result : dtml-var count-CENTRE_NOnbsp;matchesp
table width="100%"
tr
td align="left" width="60"
!-- if not first page then show previous button --
dtml-if previous-sequence
a href="dtml-var URLdtml-var
sequence-queryquery_start=dtml-var previous-sequence-start-number"
dtml-var "gif_previous.tag(border='0')"/a
/dtml-if
/td
td align="center"
!-- show previous page numbers --
dtml-in address_lookup previous size=5 start=query_start
dtml-in previous-batches mapping
a href="dtml-var document_iddtml-var
sequence-queryquery_start=dtml-var batch-start-number"
dtml-var
"(_.getitem('batch-start-index',0)/_.getitem('batch-size',0))+1"/a
/dtml-in
/dtml-in
!-- show present page number--
dtml-var
"(_.getitem('sequence-index',0)/_.getitem('sequence-step-size',0))+1"/a
!-- show next pages numbers--
dtml-in address_lookup next size=5 start=query_start
dtml-in next-batches mapping
a href="dtml-var document_iddtml-var
sequence-queryquery_start=dtml-var batch-start-number"
dtml-var
"(_.getitem('batch-start-index',0)/_.getitem('batch-size',0))+1"/a
/dtml-in
/dtml-in
/td
td align="right" width="60"
!-- if not last page then show next button --
dtml-if
"((_.getitem('sequence-index',0)+_.getitem('sequence-step-size',0))+1)
(_.getitem('count-CENTRE_NO',0))"
a href="dtml-var URLdtml-var
sequence-queryquery_start=dtml-var
"(_.getitem('sequence-index',0)+_.getitem('sequence-step-size',0))+1""
dtml-var "gif_next.tag(border='0')"/a
/dtml-if
/td
/tr
/table
/dtml-if sequence-start
show present page results ...
/dtml-in
Regards, Tom.
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RE: [Zope] Defining High Load in Heavily DB Driven site (was: [Zope] zope2.2.0 and what is high load)
hi dario, to clear up some possible misunderstandings and naming issues: we have two different beasts here. one is the number of threads that zope uses while it runs. this can be tweaked by invoking the start script with an argument like "t number_of_threads" or by editing z2.py and changing the default number of 4 threads. again, these are application threads. the database connections that were talked about are a different issue. these refer to the number of connections zope creates to its underlying ZODB object store. you can see them if you go to myzope/Control_Panel/manage_debug in Zope 2.2.0 or by using the link in the control panel in Zope 2.2.0. the number of these connections is set in zope/lib/python/ZODB/DB.py and the default is 7. in general, when a thread attempts to do anything with zope it needs to get hold of a ZODB connection so it can read or otherwise manipulate objects in the ZODB. this is why the number of application threads should be smaller than the number of ZODB connections. tweaking these numbers is possible, but mileage may vary depending on your specific site and usage. jens Jens Vagelpohl [EMAIL PROTECTED] Software Engineer www.digicool.com Digital Creations (888) 344-4332 Got Zope? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Dario Lopez-Kästen Sent: Friday, August 11, 2000 07:10 To: [EMAIL PROTECTED] Subject: [Zope] Defining High Load in Heavily DB Driven site (was: [Zope] zope2.2.0 and what is high load) Hello! I need to find more info on how Zope handles threading with relation to database connections. I am currently considering and evaluating Zope as one of the options we have to build a really large, completely databasedriven "enterprise scale" web-platform. I am a bit worried about this "maximum of 7 threads per db connection" limitation mentioned previously, and I need to know a) what does this mean in terms of accesibility, b) how does it affect performace, and c) how does Zope work (in detail) with external database connections. We are going to be using Oracle as our DB backend, all our served data will be database *only* (some of it will be fairly large), and efficient database connections is *crucial* to what we intend to do. We are going to have between 10-20k users at most and I expect the maximun of simultaneous connections to be beween 400 - 900 under heavy load; "normal load" will probably oscillate around 25-200 simultaneous connections (these numbers are crude guesses, but take into account increased usage over time as more services are provided in the future). Bandwith problems are not an issue, nor is computing power. I would appreciate any pointers to documentation or people to ask. Sincerely, /dario ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] Login and password
Hi, I'm wondering is it possible to implement a way that Zope asks for a password, but not for a login? eg. like you would give several people the same login password, but that the users don't have to enter the login, only the password? Thanks, Tom. ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] ZClass inheriting from image question
Hello, At 18:36 10.08.2000 +, Kapil Thangavelu wrote: make a dtml doc id:return_image with body dtml-var data and use that as your source so in index_html img src="dtml-var "return_image.absolute_url()"" Works great. Thank you very much for your help. Best regards, Gérard Métrailler Jr. Meeting Maker Inc. ... the intelligent choice for collaborative scheduling Email: [EMAIL PROTECTED] Web: http://www.meetingmaker.com ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Defining High Load in Heavily DB Driven site (was: [Zope] zope2.2.0 and what is high load)
"Dario Lopez-Kästen" wrote: Hello! Hello Dario! I need to find more info on how Zope handles threading with relation to database connections. How about: http://www.zope.org/Documentation/Developer/Models/ZODB The jargon of threads and connections (and then threads again) can be pretty confusing in Zope. First, ZServer is the thing in front listening for socket requests. It has a connection pool (select based) which maps into Python threads in the Zope application. (ZServer is part of the Zope process, I'm discussing logical partitioning.) Each concept of a "thread" in Zope is actually a "database connection" to the ZODB. Threads get a private copy of the transaction space, thus greatly simplifying (to the point of removal) the need for programmers to think about thread safety. If you're talking about the thread concurrency a connection to Oracle, then that's a bit different. I _think_ that ultimately this maps to the number of Zope database connections. This conversation is probably better in the zope-dev list. I am currently considering and evaluating Zope as one of the options we have to build a really large, completely databasedriven "enterprise scale" web-platform. I am a bit worried about this "maximum of 7 threads per db This isn't a maximum. It's just the default. It's easy to increase the number of connections. connection" limitation mentioned previously, and I need to know a) what does this mean in terms of accesibility, b) how does it affect performace, and c) how does Zope work (in detail) with external database connections. We are going to be using Oracle as our DB backend, all our served data will be database *only* (some of it will be fairly large), and efficient database connections is *crucial* to what we intend to do. Since you're not using any persistent objects in Zope (unless you do caching of the SQL data, which you probably should), then you don't have to worry about process growth from having more database connections for Zope. Jack it up to 25. Since much of the time in a Zope hit is taken by rendering to HTML, a number like 25 probably means you can process a hundred simultaneous Oracle requests. That works out to be an average of around ten million hits per day. If you want more, increase the number. We are going to have between 10-20k users at most and I expect the maximun of simultaneous connections to be beween 400 - 900 under heavy load; "normal load" will probably oscillate around 25-200 simultaneous connections (these numbers are crude guesses, but take into account increased usage over time as more services are provided in the future). Bandwith problems are not an issue, nor is computing power. I would appreciate any pointers to documentation or people to ask. Is this an intranet or a public site? --Paul ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
RE: [Zope] No file in INPUT TYPE='file' field
I love this list! I am designing a file upload form and just started thinking about how I am going to handle invalid filenames, no filename, etc. Of course, rather than doing "real work" I decided to take some time and catch up with my e-mail and viola! Here is this thread. Thanks Peter! -=Brad=- -Original Message- From: Peter Arvidsson [mailto:[EMAIL PROTECTED]] Sent: Thursday, August 10, 2000 4:07 AM To: Alexander Chelnokov Cc: zope Subject: Re: [Zope] No file in INPUT TYPE='file' field Hi I use this code to check if the input is empty: dtml-if "name_of_file_input.filename" Exists... To check if the input is a valid file you can store it as a temporary variable and then make a check if the size of the object is more than 0 bytes like this: dtml-if "_.getitem(temp_object_id,0).getSize() 0" Valid file... I hope this helps you :) Peter Alexander Chelnokov skrev: Hello All, How to define in DTML that user put nothing into the field INPUT TYPE="file"...? Give pls an example of code. Best regards, Alexander N. Chelnokov Ural Scientific Institute of Traumatology and Orthopaedics str.Bankovsky, 7. Ekaterinburg 620014 Russia ICQ: 25640913 ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev ) ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev ) ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
RE: [Zope] zope2.2.0 and what is high load
On Fri, 11 Aug 2000, Chris McDonough wrote: i went to each Zeo client control_panel, and see that there's a mzximum of four connections open at any given time. comments to the above. i saw only four threads because i started that particular box with the default. on the box with -t25, i see 7 open connections at any given time. sorry, my mistake. Oh, ok... that makes more sense. You may want to ramp your number of threads down to 5 (-t5). 25 doesn't do much for you because only 7 threads can be using database connections at any given time. The high number of threads you're servicing might actually be slowing things down as they contend for available database connections. will do. and hope to see that it does something. Based on your findings that all 7 DB connections are being used, I'd revise the number of threads to 8. It doesn't seem as if bumping your number of database connections will do us any good here, because it doesn't seem you're using all 7. I'm not sure *why* you're not using all 7, because you've got at least 15 processes waiting around just on your top screen for DB connections. i did some grepping and saw the magical number 7 in ZODB/DB.py. is that the number to turn up if i wanted to try increasing the db pool connection? i do have postgresql with ZPygreSQL. will that have anything to do with what i'm facing? Yes, it's the pool_size parameter. You can increment this value *carefully* if you see that you have more threads hanging around than DB connections, like you're seeing now. I have no idea what this will do to your relational stuff. The "right thing to do" is to test this outside of production. I don't want to tell you to go ahead and muck around on a production server. But if it were *me*, I might be tempted to: - First, lower the number of threads via -t8 and see what effect that has on speed. - If that doesn't solve anything, bump up both the NUMBER_OF_THREADS and the pool_size up to 10 or 12, then do some checking, and see if you still have threads waiting for a DB. Continue doing this in increments of 2 or 4, making notes as you go. Note that if it breaks your site, I'll deny I ever gave you this advice. :-) Proceed at your own risk. i love zope, and open source in general, and i can't bear having to switch to using something i don't really like. Geez, I hope not. This is an eminently solveable problem. ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
RE: [Zope] Defining High Load in Heavily DB Driven site (was: [Zope] zope2.2.0 and what is high load)
Here's my understanding of how it works: - The number of threads is decided by NUMBER_OF_THREADS in z2.py or the command line argument -t[whatever]. - You can give ZServer/Zope a hundred threads if you want to, but if you want more DB connections to service those threads with, you need to change the pool_size in DB.py. Because Dario's site is hypothetical at the moment, it's probably not a good idea to start out by changing these parameters. He should probably just try it out at default, knowing that he can (carefully) bump these values up as necessary if he notices problems. It's sort of pointless to guess about how to increase speed until you know you need it to be increased. Zope can handle this kind of load, it's just a matter of hitting the sweet spot. In order to do that, you need to do some profiling work, unfortunately. -Original Message- From: Paul Everitt [mailto:[EMAIL PROTECTED]] Sent: Friday, August 11, 2000 9:03 AM To: Dario Lopez-Kästen Cc: [EMAIL PROTECTED] Subject: Re: [Zope] Defining High Load in Heavily DB Driven site (was: [Zope] zope2.2.0 and what is high load) "Dario Lopez-Kästen" wrote: Hello! Hello Dario! I need to find more info on how Zope handles threading with relation to database connections. How about: http://www.zope.org/Documentation/Developer/Models/ZODB The jargon of threads and connections (and then threads again) can be pretty confusing in Zope. First, ZServer is the thing in front listening for socket requests. It has a connection pool (select based) which maps into Python threads in the Zope application. (ZServer is part of the Zope process, I'm discussing logical partitioning.) Each concept of a "thread" in Zope is actually a "database connection" to the ZODB. Threads get a private copy of the transaction space, thus greatly simplifying (to the point of removal) the need for programmers to think about thread safety. If you're talking about the thread concurrency a connection to Oracle, then that's a bit different. I _think_ that ultimately this maps to the number of Zope database connections. This conversation is probably better in the zope-dev list. I am currently considering and evaluating Zope as one of the options we have to build a really large, completely databasedriven "enterprise scale" web-platform. I am a bit worried about this "maximum of 7 threads per db This isn't a maximum. It's just the default. It's easy to increase the number of connections. connection" limitation mentioned previously, and I need to know a) what does this mean in terms of accesibility, b) how does it affect performace, and c) how does Zope work (in detail) with external database connections. We are going to be using Oracle as our DB backend, all our served data will be database *only* (some of it will be fairly large), and efficient database connections is *crucial* to what we intend to do. Since you're not using any persistent objects in Zope (unless you do caching of the SQL data, which you probably should), then you don't have to worry about process growth from having more database connections for Zope. Jack it up to 25. Since much of the time in a Zope hit is taken by rendering to HTML, a number like 25 probably means you can process a hundred simultaneous Oracle requests. That works out to be an average of around ten million hits per day. If you want more, increase the number. We are going to have between 10-20k users at most and I expect the maximun of simultaneous connections to be beween 400 - 900 under heavy load; "normal load" will probably oscillate around 25-200 simultaneous connections (these numbers are crude guesses, but take into account increased usage over time as more services are provided in the future). Bandwith problems are not an issue, nor is computing power. I would appreciate any pointers to documentation or people to ask. Is this an intranet or a public site? --Paul ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev ) ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
RE: [Zope] Python + COM (from external method)
That worked. Thanks
-Original Message-
From: Phil Harris [SMTP:[EMAIL PROTECTED]]
Sent: Freitag, 11. August 2000 14:06
To: Steinar Rune Eriksen; [EMAIL PROTECTED]
Subject: Re: [Zope] Python + COM (from external method)
Steinar,
Did you call pythoncom.CoInitialize()?
If not you need to.
hth
Phil
[EMAIL PROTECTED]
- Original Message -
From: "Steinar Rune Eriksen" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, August 11, 2000 12:49 PM
Subject: [Zope] Python + COM (from external method)
How come this fails...
--
import win32com.client
oOleObj = win32com.client.Dispatch("DSOleFile.PropertyReader")
--
when run from Zope (within and External Method) when it works from
Python
standalone on the same machine ?
SRE
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This footnote also confirms that this email message has been swept by
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Re: [Zope] Start-up log? was[ZMySQLDA on Win32]
Phil, Thanks for the send and resend. The pack you sent is version: 'ZMySQLDA-1-1-3'. I was getting SOME success with 1.1.4 (MySQL log files would show activity). When I replace the set I had with what you sent, I do not even find 'Z MySQL Database Connection' as an object to create in the Zope manage pages. There are also error messages which scroll of the Zope console start-up window (cannot find a .dll...). Which brings me to my current most pressing question: Is there a log file that records Zope's start-up news? (I've looked at zope/var/Z2.log, but it doesn't show the start-up tales.) Thanks again for helping the new guy. Regards, Phil Harris wrote: William, I sent this to you a few days ago, but it bounced back. Phil - Original Message - From: "Phil Harris" [EMAIL PROTECTED] To: "William BC Crandall" [EMAIL PROTECTED] Sent: Wednesday, August 09, 2000 3:39 PM Subject: Re: [Zope] ZMySQLDA on Win32 - connect then crash William, attached, my latest version of the mysql adapter (not written by me, just compiled by me). ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] PB with zodbca object, very Important !!!!!!!!!!!!!!!!
When I create or use an object with a zodbc connection, and when I try to see a dtml page using it, zope open a login window (login with password) , but I don't know what it is, because I try lot of password (zope manager password, zope simple user password, Pc user password ) no one can give me the access to the view of the dtml page. has anyone this sort of problem, and does anyone have a solution thks a lot for your answer david sergent
Re: [Zope] Python + COM (from external method)
That might seem to work, but you will run into subtle bugs eventually. Check the mailing list archives (or the Collector) for tips on calling CoInitializeEx. On Fri, 11 Aug 2000 16:00:08 +0200, Steinar Rune Eriksen [EMAIL PROTECTED] wrote: That worked. Thanks -Original Message- From:Phil Harris [SMTP:[EMAIL PROTECTED]] Sent:Freitag, 11. August 2000 14:06 To: Steinar Rune Eriksen; [EMAIL PROTECTED] Subject: Re: [Zope] Python + COM (from external method) Steinar, Did you call pythoncom.CoInitialize()? If not you need to. Toby Dickenson [EMAIL PROTECTED] ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
RE: [Zope] Defining High Load in Heavily DB Driven site (was: [Zope] zope2.2.0 and what is high load)
in general, when a thread attempts to do anything with zope it needs to get hold of a ZODB connection so it can read or otherwise manipulate objects in the ZODB. this is why the number of application threads should be smaller than the number of ZODB connections. tweaking these numbers is possible, but mileage may vary depending on your specific site and usage. --- as noted by chris M, if i were to bump up the zodn connection pool, it better be more than the app thread, right? so, in my previous case, i increased the app threads to be more than the zodb connection pool. what does this entail? i'm not too sure. i intend to increase the app thread number and the connection pool number, to see whether these increase will have any effeect on my currently loaded site. one tiny question, what will all these do to my rdb connection. my DA is not thread safe, me think. (ZPYgreSql) jens thanks Jens Vagelpohl [EMAIL PROTECTED] Software Engineer www.digicool.com Digital Creations (888) 344-4332 Got Zope? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Dario Lopez-Kästen Sent: Friday, August 11, 2000 07:10 To: [EMAIL PROTECTED] Subject: [Zope] Defining High Load in Heavily DB Driven site (was: [Zope] zope2.2.0 and what is high load) Hello! I need to find more info on how Zope handles threading with relation to database connections. I am currently considering and evaluating Zope as one of the options we have to build a really large, completely databasedriven "enterprise scale" web-platform. I am a bit worried about this "maximum of 7 threads per db connection" limitation mentioned previously, and I need to know a) what does this mean in terms of accesibility, b) how does it affect performace, and c) how does Zope work (in detail) with external database connections. We are going to be using Oracle as our DB backend, all our served data will be database *only* (some of it will be fairly large), and efficient database connections is *crucial* to what we intend to do. We are going to have between 10-20k users at most and I expect the maximun of simultaneous connections to be beween 400 - 900 under heavy load; "normal load" will probably oscillate around 25-200 simultaneous connections (these numbers are crude guesses, but take into account increased usage over time as more services are provided in the future). Bandwith problems are not an issue, nor is computing power. I would appreciate any pointers to documentation or people to ask. Sincerely, /dario ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev ) ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
RE: [Zope] zope2.2.0 and what is high load
Based on your findings that all 7 DB connections are being used, I'd revise the number of threads to 8. will give it a go this monday. Yes, it's the pool_size parameter. You can increment this value *carefully* if you see that you have more threads hanging around than DB connections, like you're seeing now. I have no idea what this will do to your relational stuff. ---that really scares me. sailing the uncharted see, and me a non swimmer! The "right thing to do" is to test this outside of production. I don't want to tell you to go ahead and muck around on a production server. But if it were *me*, I might be tempted to: --like you, i'm tempted too. i'll do backup first before anything else. furthermore, i can't get the amount of traffic to really test. - First, lower the number of threads via -t8 and see what effect that has on speed. - If that doesn't solve anything, bump up both the NUMBER_OF_THREADS and the pool_size up to 10 or 12, then do some checking, and see if you still have threads waiting for a DB. Continue doing this in increments of 2 or 4, making notes as you go. Note that if it breaks your site, I'll deny I ever gave you this advice. :-) Proceed at your own risk. ---thanks for the advice that's not given ;) , i'll report progress monday! Geez, I hope not. This is an eminently solveable problem. --i hope to solve this, and prove the greatness of OSS! ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Hungry Zopitista Looking for a Revoloution
ARGH!!! For anyone interested, my homepage is up and accessible. So how come my home page was inaccessible? I had a web-based logging system setup from when my account was hosted at lostworld.imeme.net, which was causing problems although I checked it with newly started browsers on two of my machines, it didn't register them because they were already in the logs. Kapil Kapil Thangavelu wrote: Hi, I am a Python/Zope Developer looking for work. Telecommuting or something in the area of Pasadena, CA. contract, part-time, fulltime. I tried the Zope job board but response was virtually nonexistent. My resume is up on my homepage http://sindev.dyndns.org/Home viva la revolution. Kapil Thangavelu ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev ) ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Python + COM (from external method)
I had this problem.
If you have Python installed standalone on the machine and a copy under Zope, you need
to make sure that the wincomm stuff is in the
python path of the Zope python. You can add the proper dirs to the path in z2.py.)
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- Original Message -
From: Steinar Rune Eriksen [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Friday, August 11, 2000 6:49 AM
Subject: [Zope] Python + COM (from external method)
How come this fails...
--
import win32com.client
oOleObj = win32com.client.Dispatch("DSOleFile.PropertyReader")
--
when run from Zope (within and External Method) when it works from Python
standalone on the same machine ?
SRE
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[Zope] need some basic help
Hello Folks, So I downloaded Zope and installed it on my sun box and on my nt box. I can go to the manage page as the admin and it all looks like it installed fine. So I tried to create a folder but the superuser cannot own a folder it says. So I figure I can create a folder in the zope dir as one of the users I have defined, but then how do I add objects to that folder? The only login that works at the manage page is the admin password. Is there a different page for users to go to that is similar to the manage page? I can believe that the admin would have to add all of the objects as that would seem un-Zope-ish. I have looked at a lot of docs but they were either so basic as not to address hands on stuff (devshed) or advanced enough that it was assumed that you could do this simple task. Can someone straighten me out? Thanks, Dan ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] need some basic help
As superuser add a user and give him the manager role. - Original Message - From: Dan Huston [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, August 11, 2000 11:09 AM Subject: [Zope] need some basic help Hello Folks, So I downloaded Zope and installed it on my sun box and on my nt box. I can go to the manage page as the admin and it all looks like it installed fine. So I tried to create a folder but the superuser cannot own a folder it says. So I figure I can create a folder in the zope dir as one of the users I have defined, but then how do I add objects to that folder? The only login that works at the manage page is the admin password. Is there a different page for users to go to that is similar to the manage page? I can believe that the admin would have to add all of the objects as that would seem un-Zope-ish. I have looked at a lot of docs but they were either so basic as not to address hands on stuff (devshed) or advanced enough that it was assumed that you could do this simple task. Can someone straighten me out? Thanks, Dan ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev ) ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] retrieving data from REQUEST.form
I am creating a program, yet again. How this works is,
a zope factory calls a form, which submits data from a textarea to a DTML document.
I want this DTML document to take the data from the form and display it on multiple
lines. For instance:
If a person fills out the textarea like so:
First line
second line
third line
I want the DTML document to print out:
First line
second line
third line
The only problem is, when the textarea submits to the document, (lets say the
textarea is called list), it submits it as a dictionary. That means all the data is
on a SINGLE STRING. So the data from the form looks like this.
dtml-var "REQUEST.form" =
{'list': 'first line/015/012second line/015/012third line'}
the /015/012 represent the line breaks.
Seeing this, i used the replace function in zope, trying to replace the line breaks
with br, which would be accepted by html. however, whenever you try and access the
information in the form as a string...
dtml-var "REQUEST.form['list']"
it comes out with
line one line two line three
All the line breaks dissapear! So there is nothing to replace! Does anyone have any
ideas how I could solve this problem?
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Re: [Zope] Zope - long running process
There is a switch in z2.py that allows you to point to a PID file. It will automatically restart your Zope installation once it goes down (if). Like so... (start script) ___ #! /bin/sh reldir=`dirname $0` PYTHONHOME=`cd $reldir; pwd` export PYTHONHOME exec /usr/local/zope/bin/python \ $PYTHONHOME/z2.py \ -w80 -Z /usr/local/zope/var/Z2.pid "$@" ___ It is the -Z /usr/local/zope/var/Z2.pid part. Do a more on your z2.py and check out all the options. J From: George [EMAIL PROTECTED] Organization: OK Studio Date: Sat, 12 Aug 2000 01:10:53 +1000 To: [EMAIL PROTECTED] Subject: [Zope] Zope - long running process Could someone please explain how to make sure ZOPE does not stop working and if it does then it restarts again? My platform is FreeBSD 4.0 -stable. Do I use CRON ? Do I turn the debug option off to detach ZOPE from the terminal it was started from? Regards, George [EMAIL PROTECTED] ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev ) ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] retrieving data from REQUEST.form
On Fri, Aug 11, 2000 at 01:08:48PM -0400, jesse wrote:
I am creating a program, yet again. How this works is,
a zope factory calls a form, which submits data from a textarea to a DTML
document. I want this DTML document to take the data from the form and display it on
multiple lines. For instance:
If a person fills out the textarea like so:
First line
second line
third line
I want the DTML document to print out:
First line
second line
third line
The only problem is, when the textarea submits to the document, (lets say the
textarea is called list), it submits it as a dictionary. That means all the data is
on a SINGLE STRING. So the data from the form looks like this.
dtml-var "REQUEST.form" =
{'list': 'first line/015/012second line/015/012third line'}
the /015/012 represent the line breaks.
Seeing this, i used the replace function in zope, trying to replace the line breaks
with br, which would be accepted by html. however, whenever you try and access the
information in the form as a string...
dtml-var "REQUEST.form['list']"
it comes out with
line one line two line three
All the line breaks dissapear! So there is nothing to replace! Does anyone have any
ideas how I could solve this problem?
A couple of questions:
- You say that dtml-var "REQUEST.form['list']" returns
line one line two line three
Is that in your browser window, or did you view the source html?
- Does dtml-var "_.string.replace(REQUEST.form['list'], '\015\012',
'br')" work?
--
Patrick Lewis [EMAIL PROTECTED]
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Re: [Zope] ZClass inheriting from image question
Kapil wrote: I want to change the default way the ZClass renders it's information. I want more than simply a picture so I crated a new method "index_html" in my ZClass. My question is: How do I display the picture from this index_html method? http://www.zope.org/Members/lalo/Renderable-ZClass -- Steve Alexander Software Engineer Cat-Box limited http://www.cat-box.net ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] retrieving data from REQUEST.form
jesse wrote:
I am creating a program, yet again. How this works is,
a zope factory calls a form, which submits data from a textarea to a DTML
document. I want this DTML document to take the data from the form and display it on
multiple lines. For instance:
If a person fills out the textarea like so:
First line
second line
third line
I want the DTML document to print out:
First line
second line
third line
The only problem is, when the textarea submits to the document, (lets say the
textarea is called list), it submits it as a dictionary. That means all the data is
on a SINGLE STRING. So the data from the form looks like this.
dtml-var "REQUEST.form" =
{'list': 'first line/015/012second line/015/012third line'}
the /015/012 represent the line breaks.
Seeing this, i used the replace function in zope, trying to replace the line breaks
with br, which would be accepted by html. however, whenever you try and access the
information in the form as a string...
dtml-var "REQUEST.form['list']"
it comes out with
line one line two line three
All the line breaks dissapear! So there is nothing to replace! Does anyone have any
ideas how I could solve this problem?
if you're inserting data with a dtml-var you can take advantage of
Zope's formating options one of which happens to be newline_to_br
try
dtml-var "REQUEST.form['list']" fmt=newline_to_br
Kapil
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Re: [Zope] retrieving data from REQUEST.form
jesse wrote: dtml-var "REQUEST.form['list']" it comes out with line one line two line three All the line breaks dissapear! So there is nothing to replace! Does anyone have any ideas how I could solve this problem? The line breaks don't disappear, they just don't mean anything in HTML. You can still replace them. You can do dtml-var "_.string.replace(REQUEST.form['list'], '\n', 'br')" and it should do what you want. -- Nick Garcia | [EMAIL PROTECTED] CodeIt Computing | http://codeit.com ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] Broken Links and Orphan Checking
Greetings, Is there any way within Zope to parse HTML to look for broken links and orphaned files? The site I am building will have many Zope dynamic componants, but also a good share of wrapped static HTML pages maintained by content contributors in Frontpage/Dreamweaver. I know that orphaned files and broken links *will* become a problem over time. Does anyone know of a good way to handle this? Thanks, -Darin M. Lee Darin M. Lee Analyst / Web Administrator Office of Automation Coordination Michigan Department of Environmental Quality Phone: 517.241.5214 [EMAIL PROTECTED] ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Re: Help with installing PoPy ZPoPyDA
Folks - Federico sent me a patch for the popy-1.3.3 source. I needed it to tell it where the postgresql libraries are..if you need it please let me know and I will send it along. You may also find it in the archives from earlier this month. - Steve On Fri, 11 August 2000, "Hung Jung Lu" wrote: --- In [EMAIL PROTECTED], ed colmar [EMAIL PROTECTED] wrote: Hi, I downloaded the current versions of ZPoPyDA, and PoPy from www.mixadlive.com, and I cannot figure out how to execute the installation. Run the autogen.sh script first, instead of the ./configure. Could you send an e-mail to Eric (one of the authors) [EMAIL PROTECTED]? So things can get fixed properly in the documentation. I've already told him the problem, but in all freeware things, the authors need to be reminded of the problems. After two different users mentioning the same problem, usually it gets fixed. :) __ Get your Private, Anti-Spam, Free Email at http://e3mil.com and Step into a Friendly Universe! ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] GUF
Does anybody know how the login is handled by GUF. I use cookie authentication and I get the loginptomt when I try to access a page that has authenticate permissions. But when I try to login I don't know how to get the user logged i.e I don't know how to set the cookie. Can anybody help me ? /Mathias Bengtsson ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] packing issue
i just packed zope.org, and we're getting the "oversized int" error. I am correcting this. Thanks for your patience, -- ethan mindlace fremen Zopatista Community Liason Abnegate I! ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] Using Zope as App Server for non http-Protocols
We want to (mis)use zope as an application server servicing a proprietary non-http protocol for transmitting compressed data. Our idea is a specially written client that connects on a proprietary port to zope where a special product is listening and serving the request. Our question: How can I implement a product listening on a specific port and servicing requests and sending back binary (in our case compressed) data. But the product should of course be able to use the infrastructure of Zope (ODB,External methods,ZSQL methods...) Another question is how does the authentification work for such a non-http connection. Any hints? Thanks in advance Philipp Auersperg
Re: [Zope] retrieving data from REQUEST.form
Nick Garcia wrote: jesse wrote: dtml-var "REQUEST.form['list']" it comes out with line one line two line three All the line breaks dissapear! So there is nothing to replace! Does anyone have any ideas how I could solve this problem? The line breaks don't disappear, they just don't mean anything in HTML. You can still replace them. You can do dtml-var "_.string.replace(REQUEST.form['list'], '\n', 'br')" and it should do what you want. dtml-var "REQUEST.form['list']" newline_to_br Is much simpler. :) Just out of caution, I would not use 'list' as a variable, though. Bill -- Do not meddle in the affairs of sysadmins, for they are easy to annoy, and have the root password. ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
RE: [Zope] Using Zope as App Server for non http-Protocols
Phillipp, First, design your system. Then write the very basics of what you need in Python first using whatever third-party binaries you need to, leaving the methods which use Zopish features (like ZSQL methods, ODB, etc) as stubs. Then after you're done, and it works, you can wrap it in a Zope Product. There's not much information on how to do this, I'm working on material for a Product Developer's Guide now. Authentication should probably be handled outside Zope in your Python code. Unless it's not. :-) -Original Message- From: Philipp Auersperg [mailto:[EMAIL PROTECTED]] Sent: Friday, August 11, 2000 5:31 PM To: [EMAIL PROTECTED] Subject: [Zope] Using Zope as App Server for non http-Protocols We want to (mis)use zope as an application server servicing a proprietary non-http protocol for transmitting compressed data. Our idea is a specially written client that connects on a proprietary port to zope where a special product is listening and serving the request. Our question: How can I implement a product listening on a specific port and servicing requests and sending back binary (in our case compressed) data. But the product should of course be able to use the infrastructure of Zope (ODB,External methods,ZSQL methods...) Another question is how does the authentification work for such a non-http connection. Any hints? Thanks in advance Philipp Auersperg ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] Xron Product Screenshots [was: Importable Xron]
I have in a recent email to the mailing list urged all Product creators to include screenshots and/or demos of their products. I'd like to put some screenshots the management pages in the README.txt of Xron where they would illustrate that text that explains those pages. Can you point to any examples of other products that do this effectively. Authors often (well I do anyway) use the same README.txt for the README tab of Control Panel / Products and for the "Release Information" link on the www.zope.org/Members product page. Being able to use the same file makes documentation easier for developers, and that's important; if documentation is needlessly hard, it won't get done. However, if I create image hyperlinks that work on http://www.zope.org/Members/lstaffor/Xron/README.txt , they won't work in the context of Control Panel / Products. I don't see to make links work correctly in both places. Does anyone know how? -- Loren ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] Can't get ZClient to work, zope 2.2.0
hit http://zope.carbonecho.com/forum/sepServe to see the error
('expecting read-only buffer...')
here's the external function:
from ZPublisher import Client
def ServePHP(url='http://www.yahoo.com', username='bill', password='xyz'):
print 'Sep Serving ' + str(url)
return Client.call(url, username, password) [1]
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RE: [Zope] Zope - long running process
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of J. Atwood Sent: Saturday, August 12, 2000 1:04 AM To: [EMAIL PROTECTED] Subject: Re: [Zope] Zope - long running process There is a switch in z2.py that allows you to point to a PID file. It will automatically restart your Zope installation once it goes down (if). Like so... (start script) ___ #! /bin/sh reldir=`dirname $0` PYTHONHOME=`cd $reldir; pwd` export PYTHONHOME exec /usr/local/zope/bin/python \ $PYTHONHOME/z2.py \ -w80 -Z /usr/local/zope/var/Z2.pid "$@" ___ It is the -Z /usr/local/zope/var/Z2.pid part. Do a more on your z2.py and check out all the options. i've tried this, with 2.1.x and 2.2.0; but i'm not sure it works well. there are times when my zope hangs, and i need to stop and start manually. it may be my programming. not too sure though. what are others experience? http://lists.zope.org/mailman/listinfo/zope-dev ) ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
[Zope] Fw: [Zope] Can't get ZClient to work, zope 2.2.0
From: "Bill Welch" [EMAIL PROTECTED]
hit http://zope.carbonecho.com/forum/sepServe to see the error
('expecting read-only buffer...')
This is a known bug. You need to install this patch to Client.py:
#h.connect((self.host, self.port))
h.connect(self.host, self.port)
Restart Zope after installing.
See http://classic.zope.org:8080/Collector/1480/view
-- Loren
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