[yt-users] Loading RAMSES Data into yt.

[k.grisdale at surrey.ac.uk]

This is probably a dumb question but how do I update yt? 

Thanks
 Kearn 

> On 30 Oct 2013, at 17:35, "Matthew Turk" <matthewturk at gmail.com> wrote:
> 
> Hi Kearn,
> 
> Did you update yt?  If so, it should have given at least a better error message.
> 
> cd $YT_DEST/src/yt-hg
> hg pull -r tip http://bitbucket.org/yt_analysis/yt-3.0
> hg up -C yt-3.0
> 
> 
> -Matt
> 
>> On Wed, Oct 30, 2013 at 1:29 PM,  <k.grisdale at surrey.ac.uk> wrote:
>> Hi,
>> 
>> I completed a new run in RAMSES using the new version of the code and go the same results again.
>> 
>>>>> from yt.mods import *
>>>>> pf =  load("output_00001/info_00001.txt") Traceback (most recent call last):
>>  File "<stdin>", line 1, in <module>
>>  File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/convenience.py", line 76, in load
>>    if c._is_valid(*args, **kwargs): candidates.append(n)
>>  File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/frontends/art/data_structures.py", line 427, in _is_valid
>>    amr_header_vals = read_attrs(fh, amr_header_struct, '>')
>>  File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/utilities/fortran_utils.py", line 62, in read_attrs
>>    vals = list(struct.unpack(net_format, f.read(size)))
>> struct.error: unpack requires a string argument of length 892
>> 
>> Is there anything else I can try?
>> 
>> Thanks
>> 
>> Kearn
>>> On 30 Oct 2013, at 17:02, Matthew Turk <matthewturk at gmail.com> wrote:
>>> 
>>> Hi Kearn,
>>> 
>>> I think Romain's suggestion is likely going to fix the issue, but I
>>> also just pushed a change that will show the error differently and in
>>> a more informative way.  ("hg pull
>>> http://bitbucket.org/yt_analysis/yt-3.0 && hg up" in your yt-hg
>>> directory will fix it.)
>>> 
>>> -Matt
>>> 
>>>> On Wed, Oct 30, 2013 at 12:39 PM,  <k.grisdale at surrey.ac.uk> wrote:
>>>> Hi,
>>>> 
>>>> I have been trying to load RAMSES data into yt 2.5. Orginaly it was loading
>>>> in but the graphs I was able to produce didn’t make sense.  So I tried to
>>>> change to yt3 using the commands
>>>> 
>>>> cd $YT_DEST/src/yt-hg/
>>>> hg pull http://bitbucket.org/yt_analysis/yt-3.0
>>>> hg up -C yt-3.0
>>>> python2.7 setup.py build_ext -i -f
>>>> 
>>>> The commands appear to have worked. But when I try to use yt to load in
>>>> RAMSES data I now get this error:
>>>> 
>>>> 
>>>> Traceback (most recent call last): File
>>>> "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/gui/reason/basic_repl.py",
>>>> line 81, in execute exec code in self.locals File "", line 1, in File
>>>> "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/convenience.py", line 76, in
>>>> load if c._is_valid(*args, **kwargs): candidates.append(n) File
>>>> "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/frontends/art/data_structures.py",
>>>> line 427, in _is_valid amr_header_vals = read_attrs(fh, amr_header_struct,
>>>> '>') File
>>>> "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/utilities/fortran_utils.py",
>>>> line 62, in read_attrs vals = list(struct.unpack(net_format, f.read(size)))
>>>> error: unpack requires a string argument of length 892
>>>> 
>>>> 
>>>> Any idea what I need to do?
>>>> 
>>>> Thanks
>>>> 
>>>> Kearn
>>>> 
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