Re: [Pytables-users] Problems with Converting Python Int to C Long

[Anthony S. <sc...@gm...>]

Thanks Jacob,

This definitely sounds like a bug. if you come up with a self contained
example, please report it at https://github.com/PyTables/PyTables/issues

Thanks!
Anthony

On Thu, Jun 28, 2012 at 7:40 PM, Jacob Bennett <jac...@gm...>wrote:

> It's strange really. It seems like anything int 64 in python (greater than
> 4billion) fails to convert and throws this message; however, for numbers
> that can be represented by int 32 can convert fine. Btw, this is for a
> field that is defined as UInt64 in pytables and only fails if I do
> Table.append(row). If I do insertion based upon table.row, then it works
> fine.
>
> I will look at this issue more later tonight, and will report my findings.
>
> Thanks,
> Jacob
>
>
> On Thu, Jun 28, 2012 at 5:37 PM, Anthony Scopatz <sc...@gm...>wrote:
>
>> Hello Again Jacob,
>>
>> Hmm are they of Python type long?  Also, what exactly is the number that
>> is failing?
>>
>> Be Well
>> Anthony
>>
>> On Thu, Jun 28, 2012 at 4:18 PM, Jacob Bennett <jac...@gm...
>> > wrote:
>>
>>> Hello PyTables Users,
>>>
>>> I have a concern with a very strange error that references that my
>>> python ints cannot be converted to C longs when trying to run
>>> Table.append(rows). My python integers are definitely not big, at most they
>>> would probably be around 3 billion in size, which shouldn't be any problem
>>> for conversion to C long.
>>>
>>> This is the error that I am receiving...
>>>
>>> Exception in thread bookthread:
>>> Traceback (most recent call last):
>>>   File "C:\Python27\lib\threading.py", line 551, in __bootstrap_inner
>>>     self.run()
>>>   File
>>> "C:\Users\jacob.bennett\development\MarketDataReader\PyTablesInterface\Acceptor.py",
>>> line 21, in run
>>>     BookDataWrapper.acceptDict()
>>>   File
>>> "C:\Users\jacob.bennett\development\MarketDataReader\PyTablesInterface\BookDataWrapper.py",
>>> line 49, in acceptDict
>>>     tableD.append(dataArray)
>>>   File "C:\Python27\lib\site-packages\tables\table.py", line 2076, in
>>> append
>>>     "rows parameter cannot be converted into a recarray object compliant
>>> with table '%s'. The error was: <%s>" % (str(self), exc)
>>> ValueError: rows parameter cannot be converted into a recarray object
>>> compliant with table '/t301491615959191971 (Table(0,), shuffle, blosc(3))
>>> 'Instrument''. The error was: <Python int too large to convert to C long>
>>>
>>> Thanks,
>>> Jacob
>>>
>>> --
>>> Jacob Bennett
>>> Massachusetts Institute of Technology
>>> Department of Electrical Engineering and Computer Science
>>> Class of 2014| ben...@mi...
>>>
>>>
>>>
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>>
>>
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>
>
> --
> Jacob Bennett
> Massachusetts Institute of Technology
> Department of Electrical Engineering and Computer Science
> Class of 2014| ben...@mi...
>
>
>
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