Re: [Pytables-users] pytables for financial data.

2011-04-22 Thread Robert Ferrell
On Apr 22, 2011, at 11:57 AM, Abhijit Gadgil wrote: > > Thanks for the quick reply, please see below. > > On Fri, Apr 22, 2011 at 10:32 PM, Robert Ferrell > wrote: > I add an array of dates to the PyTables file. That array just keeps track of > which dates are stored. When I append a new

Re: [Pytables-users] pytables for financial data.

2011-04-22 Thread Abhijit Gadgil
Thanks for the quick reply, please see below. On Fri, Apr 22, 2011 at 10:32 PM, Robert Ferrell wrote: > I add an array of dates to the PyTables file. That array just keeps track > of which dates are stored. When I append a new date of data I just check > whether that date is already in the file

Re: [Pytables-users] pytables for financial data.

2011-04-22 Thread Robert Ferrell
I add an array of dates to the PyTables file. That array just keeps track of which dates are stored. When I append a new date of data I just check whether that date is already in the file or not. For me that is simpler than involving SQL. BTW, what I found handy was to put the downloaded dat

[Pytables-users] pytables for financial data.

2011-04-22 Thread Abhijit Gadgil
Dear All, I agree, similar questions would be discussed here many times here on the list. I've some peculiar requirements, which have got mostly to do with the way I am importing data to pytables. I've a csv file of about 2-4k entries generated everyday, which has data for different scrips and su

Re: [Pytables-users] Pytable over nfs/samba

2011-04-22 Thread Francesc Alted
2011/4/21, Jeff Reback : > Any thoughts on this? > > >>> >> >>> I have a table of the following form >>> >>> table = self.handle.createTable(group, 'table', dict( >>> index = tables.Time64Col(), >>> column = tables.StringCol(25), >>> value

Re: [Pytables-users] Perplexed with PyTables Install

2011-04-22 Thread Francesc Alted
Hey Todd, 2011/4/21, Todd Matthews : > Not sure if my problems are with PyTables; but, any guidance would be great. > I am installing PyTables on new Ubuntu install. > > 1) Attempt to build PyTables as instructed in readme appears successful. The > following are warnings that I presume to be okay.

Re: [Pytables-users] Pytable Installation problem

2011-04-22 Thread Francesc Alted
Salut Mathieu, This error is typical if you installed the HDF5 library from a binary, but you forgot to add its SZIP dependency. Please download SZIP from the HDF5 site and install it. Hope this helps, Francesc 2011/4/21, Mathieu Chauveinc : > Good afternoon, > > I am having difficulties to in