source: TI02-CSML/trunk/newparser/test.py @ 680

"""Test for GML/CSML parsing code
"""

from cElementTree import *
from Parser import *
from xml.dom.minidom import parseString
import elementtree.ElementTree as etree
import sys


#this is a fix to the  ElementTree namespace problem that namespaces are usually represented as ns0, ns1, ns2 etc.
etree._namespace_map.update({
    'http://www.opengis.net/om': 'om',  'http://www.opengis.net/gml': 'gml','http://ndg.nerc.ac.uk/csml' : 'csml', 'http://www.w3.org/1999/xlink':'xlink'})


def removeInlineNS(csmlstring):
    # removeInlineNS: function removes "inline" namespaces and declares them as part of the Dataset element.
    #remove all
    csmlstring=csmlstring.replace(' xmlns:csml="http://ndg.nerc.ac.uk/csml"','')
    csmlstring=csmlstring.replace(' xmlns:xlink="http://www.w3.org/1999/xlink"','')
    csmlstring=csmlstring.replace('xmlns:om="http://www.opengis.net/om"','')
    csmlstring=csmlstring.replace('xsi:schemaLocation="http://ndg.nerc.ac.uk/csml/XMLSchemas/CSMLAppSchema.xsd"','')
    csmlstring=csmlstring.replace('xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"','')
    
    #remove cmsl: prefixes
    csmlstring=csmlstring.replace('<csml:','<')
    csmlstring=csmlstring.replace('</csml:','</')
    #add namespace declarations at top of document, after gml namespace declaration
    csmlstring=csmlstring.replace('xmlns:gml="http://www.opengis.net/gml">', 'xmlns:gml="http://www.opengis.net/gml" xmlns:om="http://www.opengis.net/om" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://ndg.nerc.ac.uk/csml/XMLSchemas/CSMLAppSchema.xsd">')

    
    
    

    
    return csmlstring
##############################################################################
# ElementTree-based parser test
##############################################################################
# 1. Test parsing from CSML file
tree = ElementTree(file='example.xml')
#tree = ElementTree(file='/home/users/domlowe/CSML/Coapec/Coapec.v2.xml')
#tree = ElementTree(file='era40gridseries.xml')
dataset = Dataset()
dataset.fromXML(tree.getroot())
#csml = dataset.toXML(Element('Dataset'))
csml = dataset.toXML()

strCSML= parseString(tostring(csml)).toprettyxml()
strCSML=removeInlineNS(strCSML)
print strCSML
sys.exit() # stop here.

##############################################################################
#2. Test construction of objects from scratch

# AW changes made to DL code:
#  (NB: all these derive from the underlying UML model)
#  * AbstractFileExtract.arraySize is an array []
#  * Dataset.metaDataProperty is an array []
#  * Omit empty attributes entirely
#  * Dataset.arrayDescriptors is an array holding all file extract objects

#MetaDataProperty Object
md = MetaDataProperty()
setattr(md, 'href', 'http://ndg.nerc.ac.uk/Metadata/home/users/domlowe/CSML/demodata')

#An empty list to hold a collection of NASAAmesExtracts:
nalist=[]

#Create a NASAAmesExtract
na1 = NASAAmesExtract()
#set attributes:
setattr(na1, 'id', 'naextract_one')
setattr(na1, 'variableName', 'temp')
setattr(na1, 'index', '1')
setattr(na1, 'fileName', '/blah/testfile.na')
setattr(na1, 'arraySize', [50])
setattr(na1, 'uom', 'celsius')
#setattr(na1, 'numericType', None)
#setattr(na1, 'numericTransform', None)
#setattr(na1,'regExpTransform',None)
#append NASAAmesExtract to list
nalist.append(na1)

#Create a second NASAAmesExtract
na2 = NASAAmesExtract()
#set attributes:
setattr(na2, 'id', 'naextract_two')
setattr(na2, 'variableName', 'pressure')
setattr(na2, 'index', '1')
setattr(na2, 'fileName', '/blah/testfile2.na')
setattr(na2, 'arraySize', [50])
setattr(na2, 'uom', 'mb')
#setattr(na2, 'numericType', None)
#setattr(na2, 'numericTransform', None)
#setattr(na2,'regExpTransform',None)
#append second NASAAmesExtract to list
nalist.append(na2)

#An empty list to hold a collection of NetCDFExtracts:
nclist=[]

#Create a NetCDFExtract
nc1 = NetCDFExtract()
#set attributes:
setattr(nc1, 'id', 'ncextract_one')
setattr(nc1, 'variableName', 'temp2')
setattr(nc1, 'fileName', '/blah/testfile.nc')
setattr(nc1, 'arraySize', [100])
setattr(nc1, 'uom', 'celsius')
#setattr(nc1, 'numericType', None)
#setattr(nc1, 'numericTransform', None)
#setattr(nc1,'regExpTransform',None)
#append NetCDFExtract to list
nclist.append(nc1)



#Create an Empty Dataset
ds = Dataset()
#Set objects as attributes of dataset
setattr(ds, 'metaDataProperty', [md])
setattr(ds, 'arrayDescriptors', nalist+nclist)


csml = ds.toXML()
print parseString(tostring(csml)).toprettyxml()