Presents etree interface to netcdf4-python objects using NCML data model
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petulant-bear

COPYRIGHT 2013 RPS ASA

This file is part of Petulant Bear.

Petulant Bear is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.


Petulant Bear is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.


You should have received a copy of the GNU General Public License
along with Petulant Bear.  If not, see <http://www.gnu.org/licenses/>.

Petulant (Adjective - of a person or their manner):

  • Childishly sulky or bad-tempered.

Bear (Verb - used with object):

  • To hold up; support: to bear the weight of the roof.

Description

Presents etree interface to netcdf4-python objects using NCML data model

This library attempts to provide a bridge to support uniform metadata operation in python on XML and NetCDF files using the LXML interface. As the name suggests, while a serious effort has been made to provide a clean and consistent interface which will support the weight of metadata management the library may be a bit cranky if you try to do things that don't make sense. So far I have only tried to support the key operations required for the wicken library.

Good luck

Examples

Creating NCML from a nc file: from petulantbear.netcdf2ncml import *

fname = '/Users/dstuebe/code/petulant-bear/test_data/test.nc'
str_out = ''
with Dataset(fname) as ds:
    str_out = dataset2ncml(ds, url="file:"+fname)
print len(str_out)

with open('test_data/test.xml','w') as output: 
    output.write(str_out)

Working with an NC file as a lxml object:

from petulantbear.netcdf_etree import *
fname = 'profile_shore.nc'
ds = Dataset(fname,'a')
root = parse_nc_dataset_as_etree(ds)
    
dim = root[0]
att.attrib # will show the xml attributes of this dimension
att.attrib['name'] = 'foobar'