Re: [Zope3-Users] Re: Re: Blobs in Z3 anyone?

2006-04-20 Thread David Pratt

Ok, great. Chris, let me know if I can help out at all on this project.

Regards,
David

Chris McDonough wrote:
In z3, apparently you just return a file from your code and the 
publisher knows enough to send it efficiently.


- C

On Apr 20, 2006, at 8:15 AM, David Pratt wrote:

Hi Chris. This is great! I'll check this out. It would be great 
however if I could get a clearer picture of large file handling in Z3. 
Is there an equivalent IStreamIterator in Z3 or not? I am still trying 
to determine this from the dialog. If not, can someone please explain 
what had been built into Z3 to handle this. Storage is one half the 
solution and transporting the file the other half.


Regards,
David

Sure.  The best way to help is for people to try it out.  There is a 
Zope 2 branch in SVN named 
http://svn.zope.org/Zope/branches/blob-integration-test that I 
believe has its externals set right to include the "blob-aware" 
version of ZODB.  You should be able to check it out and just run 
it.  There are examples of blob usage in the 
ZODB/Blobs/tests/test_basic.txt .





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Re: [Zope3-Users] Re: Re: Blobs in Z3 anyone?

2006-04-20 Thread Chris McDonough
In z3, apparently you just return a file from your code and the  
publisher knows enough to send it efficiently.


- C

On Apr 20, 2006, at 8:15 AM, David Pratt wrote:

Hi Chris. This is great! I'll check this out. It would be great  
however if I could get a clearer picture of large file handling in  
Z3. Is there an equivalent IStreamIterator in Z3 or not? I am still  
trying to determine this from the dialog. If not, can someone  
please explain what had been built into Z3 to handle this. Storage  
is one half the solution and transporting the file the other half.


Regards,
David

Sure.  The best way to help is for people to try it out.  There is  
a Zope 2 branch in SVN named http://svn.zope.org/Zope/branches/ 
blob-integration-test that I believe has its externals set right  
to include the "blob-aware" version of ZODB.  You should be able  
to check it out and just run it.  There are examples of blob usage  
in the ZODB/Blobs/tests/test_basic.txt .




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Re: [Zope3-Users] Re: Re: Blobs in Z3 anyone?

2006-04-20 Thread David Pratt
Hi Chris. This is great! I'll check this out. It would be great however 
if I could get a clearer picture of large file handling in Z3. Is there 
an equivalent IStreamIterator in Z3 or not? I am still trying to 
determine this from the dialog. If not, can someone please explain what 
had been built into Z3 to handle this. Storage is one half the solution 
and transporting the file the other half.


Regards,
David

Sure.  The best way to help is for people to try it out.  There is a 
Zope 2 branch in SVN named 
http://svn.zope.org/Zope/branches/blob-integration-test that I believe 
has its externals set right to include the "blob-aware" version of 
ZODB.  You should be able to check it out and just run it.  There are 
examples of blob usage in the ZODB/Blobs/tests/test_basic.txt .

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Re: [Zope3-Users] Re: Re: Blobs in Z3 anyone?

2006-04-20 Thread Chris McDonough

On Apr 20, 2006, at 3:33 AM, Martin Aspeli wrote:

On Thu, 20 Apr 2006 04:35:47 +0100, Chris McDonough  
<[EMAIL PROTECTED]> wrote:


The zodb code is on the blob-merge-branch of ZODB in Zope's  
subversion repository.  I'm not sure when it's going to land in an  
actual ZODB release.  I'm fighting a bunch  of fires at the moment  
and it's on the backburner as a result. :-(


Is there a roadmap, to-do list or similar? Do you have an  
estimation of how complete it is at this stage?


There is a reasonably-up-to-date TODO.txt on the branch in src/ZODB/ 
Blobs .  It's complete enough that we decided to make a "technical  
preview" release at some point, but I dropped the ball (necessarily,  
sorry).




Storage of large files is something that Plone and the other CMSs  
solve (to various degrees of success) at the wrong layer of the  
stack (although Railroad/Tramline/Hurry are really interesting).  
Development at the ZODB level scares me, but I'm sure there are  
people in various communities interested in getting this solved  
once and for all.


Sure.  The best way to help is for people to try it out.  There is a  
Zope 2 branch in SVN named http://svn.zope.org/Zope/branches/blob- 
integration-test that I believe has its externals set right to  
include the "blob-aware" version of ZODB.  You should be able to  
check it out and just run it.  There are examples of blob usage in  
the ZODB/Blobs/tests/test_basic.txt .


- C

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