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class Namespaces(object):
"""
Class for holding and maniputlating a dictionary containing the various namespaces for
each standard.
"""
namespace_dict = {
'atom' : 'http://www.w3.org/2005/Atom',
'csw' : 'http://www.opengis.net/cat/csw/2.0.2',
'dc' : 'http://purl.org/dc/elements/1.1/',
'dct' : 'http://purl.org/dc/terms/',
'dif' : 'http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/',
'draw' : 'gov.usgs.cida.gdp.draw',
'fes' : 'http://www.opengis.net/fes/2.0',
'fgdc' : 'http://www.opengis.net/cat/csw/csdgm',
'gco' : 'http://www.isotc211.org/2005/gco',
'gmd' : 'http://www.isotc211.org/2005/gmd',
'gml' : 'http://www.opengis.net/gml',
'gml311': 'http://www.opengis.net/gml',
'gml32' : 'http://www.opengis.net/gml/3.2',
'gmx' : 'http://www.isotc211.org/2005/gmx',
'gts' : 'http://www.isotc211.org/2005/gts',
'ogc' : 'http://www.opengis.net/ogc',
'om' : 'http://www.opengis.net/om/1.0',
'om10' : 'http://www.opengis.net/om/1.0',
'om100' : 'http://www.opengis.net/om/1.0',
'om20' : 'http://www.opengis.net/om/2.0',
'ows' : 'http://www.opengis.net/ows',
'ows100': 'http://www.opengis.net/ows',
'ows110': 'http://www.opengis.net/ows/1.1',
'ows200': 'http://www.opengis.net/ows/2.0',
'rim' : 'urn:oasis:names:tc:ebxml-regrep:xsd:rim:3.0',
'rdf' : 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
'sml' : 'http://www.opengis.net/sensorML/1.0.1',
'sml101': 'http://www.opengis.net/sensorML/1.0.1',
'sos' : 'http://www.opengis.net/sos/1.0',
'sos20' : 'http://www.opengis.net/sos/2.0',
'srv' : 'http://www.isotc211.org/2005/srv',
'swe' : 'http://www.opengis.net/swe/1.0.1',
'swe10' : 'http://www.opengis.net/swe/1.0',
'swe101': 'http://www.opengis.net/swe/1.0.1',
'swe20' : 'http://www.opengis.net/swe/2.0',
'swes' : 'http://www.opengis.net/swes/2.0',
'tml' : 'ttp://www.opengis.net/tml',
'wfs' : 'http://www.opengis.net/wfs',
'wfs20' : 'http://www.opengis.net/wfs/2.0',
'wcs' : 'http://www.opengis.net/wcs',
'wps' : 'http://www.opengis.net/wps/1.0.0',
'wps100': 'http://www.opengis.net/wps/1.0.0',
'xlink' : 'http://www.w3.org/1999/xlink',
'xs' : 'http://www.w3.org/2001/XMLSchema',
'xs2' : 'http://www.w3.org/XML/Schema',
'xsi' : 'http://www.w3.org/2001/XMLSchema-instance'
}
def get_namespace(self, key):
"""
Retrieves a namespace from the dictionary
Example:
--------
>>> from owslib.namespaces import Namespaces
>>> ns = Namespaces()
>>> ns.get_namespace('csw')
'http://www.opengis.net/cat/csw/2.0.2'
>>> ns.get_namespace('wfs20')
'http://www.opengis.net/wfs/2.0'
"""
retval = None
if key in self.namespace_dict.keys():
retval = self.namespace_dict[key]
return retval
def get_versioned_namespace(self, key, ver=None):
"""
Retrieves a namespace from the dictionary with a specific version number
Example:
--------
>>> from owslib.namespaces import Namespaces
>>> ns = Namespaces()
>>> ns.get_versioned_namespace('ows')
'http://www.opengis.net/ows'
>>> ns.get_versioned_namespace('ows','1.1.0')
'http://www.opengis.net/ows/1.1'
"""
if ver is None:
return self.get_namespace(key)
version = ''
# Strip the decimals out of the passed in version
for s in ver.split('.'):
version += s
key += version
retval = None
if key in self.namespace_dict.keys():
retval = self.namespace_dict[key]
return retval
def get_namespaces(self, keys=None):
"""
Retrieves a dict of namespaces from the namespace mapping
Parameters
----------
- keys: List of keys query and return
Example:
--------
>>> ns = Namespaces()
>>> ns.get_namespaces(['csw','gmd'])
{ 'csw' : http://www.opengis.net/cat/csw/2.0.2', 'gmd' : 'http://www.isotc211.org/2005/gmd' }
>>> ns.get_namespaces('csw')
{ 'csw' : http://www.opengis.net/cat/csw/2.0.2' }
>>> ns.get_namespaces()
{...}
"""
# If we aren't looking for any namespaces in particular return the whole dict
if keys is None or len(keys) == 0:
return self.namespace_dict
if isinstance(keys, unicode) or isinstance(keys, str):
return { keys: self.get_namespace(keys) }
retval = {}
for key in keys:
if key in self.namespace_dict.keys():
retval[key] = self.namespace_dict[key]
return retval
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