notebook.community

Edit and run 





In [1]:



    


from lxml import etree



    











In [2]:



    


tree = etree.parse('c:/users/rsignell/downloads/00_dir_ROMS_display.ncml')



    











In [3]:



    


tree



    


















    
Out[3]:








<lxml.etree._ElementTree at 0x3c2a088>

















In [4]:



    


root = tree.getroot()



    











In [5]:



    


var = etree.SubElement(root, "{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable1")
var.set('name','salt')
a = etree.SubElement(var,'attribute')
a.set('name','standard_name')
a.set('value','time')



    











In [6]:



    


var = etree.SubElement(root, "{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable2",name='temp')
a = etree.SubElement(var,'attribute',name='standard_name',value='time')



    











In [7]:



    


var = etree.SubElement(root, "{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable3",name='u')
kw = dict(name='standard_name', value='time')
a = etree.SubElement(var,'attribute',**kw)



    











In [8]:



    


tree.write('foo.ncml')



    











In [7]:



    


for child in root:
    print(child.tag)



    


















    






{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}attribute
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}aggregation
{http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2}variable1

















In [8]:



    


a



    


















    






---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-8-60b725f10c9c> in <module>()
----> 1 a

NameError: name 'a' is not defined
















In [ ]:



    


root = tree.getroot()
path = "//sml:identifier[@name='longName']/sml:Term/sml:value/text()"
namespaces = dict(sml="http://www.opengis.net/sensorML/1.0.1")
longName = root.xpath(path, namespaces=namespaces)



    











In [ ]:



    


a = root.find('long_name')



    











In [ ]:



    


a



    











In [ ]:

Content source: rsignell-usgs/notebook

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