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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Well, yes, the <span class=SpellE>datastoreclient</span>
does most of what is needed, in fact that is what I am using, but in a private <span
class=SpellE>cvs</span> copy I have. It does a fine job so far. But on the mud
yesterday you were arguing that this requirement had not been addressed, was
difficult, unreasonable, etc, so I figured I had better email it in as you suggested.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><span
style='mso-spacerun:yes'> </span>The problem is one we have all discussed
many times: <span style='mso-spacerun:yes'> </span>we have a file or files
in the venue that we do not want to download in their entirety or are too large
to download in their entirety. So we need an interface to allow us to read the
file in part, or in whole, from the venue. I also have the case where I am
building files that are very large and would like to deliver them directly to
the venue instead of creating them locally and then transferring them. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Terry<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> Ivan R. Judson
[mailto:judson@mcs.anl.gov] <br>
<b><span style='font-weight:bold'>Sent:</span></b> </span></font><st1:date
Month="8" Day="22" Year="2003"><font size=2 face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma'>Friday, August 22, 2003</span></font></st1:date><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> </span></font><st1:time
Hour="6" Minute="53"><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>6:53 AM</span></font></st1:time><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'><br>
<b><span style='font-weight:bold'>To:</span></b> 'Terry Disz';
ag-dev@mcs.anl.gov<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: "new"
requirement</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>It's not clear to me the
details of this requirement. It'd be really helpful if you could elaborate with
use cases (even simple ones). If this is the complete requirement I believe
it's already been fulfilled by the DataStore Client API Bob checked in and
documented with the attached PDF.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>It's described this way,
in mail to ag-dev (which I notice you are subscribed to):</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>Within DataStoreClient is a ftp-ish command line
client interface to the </span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>datastore. While useful on its own, it provides a set
of examples of the </span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>interface to the datastore. To try it out, just run
DataStoreClient.py at </span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>the command line</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>Notably, this module introduces methods that reutrn
filehandles for reading </span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>from and writing to the venue datastore. The current
implementation does </span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>this by simply downloading before read, and uploading
after write. However, </span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>they should simplify the use of a venue datastore when
those are the </span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>natural operations (for instance, with them one could
pickle directly to </span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'>and from venue datafiles).</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>Is that sufficient or are
you asking for something more? If you're asking for something more,
you'll have to provide more detailed requirements. Otherwise, we'll consider
this requirement fulfilled..</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>Cheers,</span></font><o:p></o:p></p>
<p style='margin-left:.5in'><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>--Ivan</span></font><o:p></o:p></p>
</div>
<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 3.0pt;
margin-left:3.0pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
12.0pt;margin-left:.5in'><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> owner-ag-dev@mcs.anl.gov
[mailto:owner-ag-dev@mcs.anl.gov] <b><span style='font-weight:bold'>On Behalf
Of </span></b>Terry Disz<br>
<b><span style='font-weight:bold'>Sent:</span></b> </span></font><st1:date
Month="8" Day="21" Year="2003"><font size=2 face=Tahoma><span style='font-size:
10.0pt;font-family:Tahoma'>Thursday, August 21, 2003</span></font></st1:date><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> </span></font><st1:time
Hour="16" Minute="35"><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>4:35 PM</span></font></st1:time><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'><br>
<b><span style='font-weight:bold'>To:</span></b> ag-dev@mcs.anl.gov<br>
<b><span style='font-weight:bold'>Subject:</span></b> "new"
requirement</span></font><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>I need to be able to write and
retrieve directly to/from a venue.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Things like open, read, write.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Terry<o:p></o:p></span></font></p>
</blockquote>
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