Esempio n. 1
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    def __init__(self,url,xml):
        self.version='1.0.0'
        self.url = url   
        # initialize from saved capability document or access the server
        reader = WCSCapabilitiesReader(self.version)
        if xml:
            self._capabilities = reader.readString(xml)
        else:
            self._capabilities = reader.read(self.url)

        #serviceIdentification metadata
        subelem=self._capabilities.find(ns('Service'))
        self.identification=ServiceIdenfication(subelem)                               
                   
        #serviceProvider metadata
        self.provider=None
        subelem=self._capabilities.find(ns('Service/')+ns('responsibleParty'))
        if subelem is not None:
            self.provider=ServiceProvider(subelem)   
        
        #serviceOperations metadata
        self.operations=[]
        for elem in self._capabilities.find(ns('Capability/')+ns('Request')).getchildren():
            self.operations.append(OperationMetadata(elem))
          
        #serviceContents metadata
        self.contents={}
        for elem in self._capabilities.findall(ns('ContentMetadata/')+ns('CoverageOfferingBrief')): 
            cm=ContentMetadata(elem, self)
            self.contents[cm.id]=cm
        
        #exceptions
        self.exceptions = [f.text for f \
                in self._capabilities.findall('Capability/Exception/Format')]
Esempio n. 2
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    def __init__(self, url, xml, cookies):
        self.version = '1.1.0'
        self.url = url
        self.cookies = cookies
        # initialize from saved capability document or access the server
        reader = WCSCapabilitiesReader(self.version)
        if xml:
            self._capabilities = reader.readString(xml)
        else:
            self._capabilities = reader.read(self.url)

        #build metadata objects:

        #serviceIdentification metadata
        elem = self._capabilities.find(
            '{http://www.opengis.net/wcs/1.1/ows}ServiceIdentification')
        if elem is None:
            elem = self._capabilities.find(
                '{http://www.opengis.net/ows}ServiceIdentification')
        self.identification = ServiceIdentification(elem)

        #serviceProvider
        elem = self._capabilities.find(
            '{http://www.opengis.net/ows}ServiceProvider')
        self.provider = ServiceProvider(elem)

        #serviceOperations
        self.operations = []
        for elem in self._capabilities.findall(
                '{http://www.opengis.net/wcs/1.1/ows}OperationsMetadata/{http://www.opengis.net/wcs/1.1/ows}Operation/'
        ):
            self.operations.append(Operation(elem))

            # exceptions - ***********TO DO *************
            self.exceptions = [f.text for f \
                in self._capabilities.findall('Capability/Exception/Format')]

        # serviceContents: our assumption is that services use a top-level layer
        # as a metadata organizer, nothing more.
        self.contents = {}
        top = self._capabilities.find(
            '{http://www.opengis.net/wcs/1.1}Contents/{http://www.opengis.net/wcs/1.1}CoverageSummary'
        )
        for elem in self._capabilities.findall(
                '{http://www.opengis.net/wcs/1.1}Contents/{http://www.opengis.net/wcs/1.1}CoverageSummary/{http://www.opengis.net/wcs/1.1}CoverageSummary'
        ):
            cm = ContentMetadata(elem, top, self)
            self.contents[cm.id] = cm

        if self.contents == {}:
            #non-hierarchical.
            top = None
            for elem in self._capabilities.findall(
                    '{http://www.opengis.net/wcs/1.1}Contents/{http://www.opengis.net/wcs/1.1}CoverageSummary'
            ):
                cm = ContentMetadata(elem, top, self)
                #make the describeCoverage requests to populate the supported formats/crs attributes
                self.contents[cm.id] = cm
Esempio n. 3
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    def __init__(self, url, xml, cookies):
        self.version = '2.0.1'
        self.url = url
        self.cookies = cookies
        # initialize from saved capability document or access the server
        reader = WCSCapabilitiesReader(self.version)
        if xml:
            self._capabilities = reader.readString(xml)
        else:
            self._capabilities = reader.read(self.url)

        # check for exceptions
        se = self._capabilities.find('Exception')

        if se is not None:
            err_message = str(se.text).strip()
            raise ServiceException(err_message, xml)

        #build metadata objects:

        #serviceIdentification metadata
        elem = self._capabilities.find(OWS.ServiceIdentification)
        if elem is None:
            elem = self._capabilities.find(OWS.ServiceIdentification)
        self.identification = ServiceIdentification(elem)

        #serviceProvider
        elem = self._capabilities.find(OWS.ServiceProvider)
        self.provider = ServiceProvider(elem)

        #serviceOperations
        self.operations = []
        for elem in self._capabilities.findall(OWS.OperationsMetadata + '/' +
                                               OWS.Operation):
            self.operations.append(Operation(elem))

            # exceptions - ***********TO DO *************
            self.exceptions = [f.text for f \
                in self._capabilities.findall('Capability/Exception/Format')]

        # serviceContents: our assumption is that services use a top-level layer
        # as a metadata organizer, nothing more.
        self.contents = {}
        top = self._capabilities.find(WCS.Contents + '/' + WCS.CoverageSummary)
        for elem in self._capabilities.findall(WCS.Contents + '/' +
                                               WCS.CoverageSummary + '/' +
                                               WCS.CoverageSummary):
            cm = ContentMetadata(elem, top, self)
            self.contents[cm.id] = cm

        if self.contents == {}:
            #non-hierarchical.
            top = None
            for elem in self._capabilities.findall(WCS.Contents + '/' +
                                                   WCS.CoverageSummary):
                cm = ContentMetadata(elem, top, self)
                #make the describeCoverage requests to populate the supported formats/crs attributes
                self.contents[cm.id] = cm
Esempio n. 4
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    def __init__(self,url,xml, cookies):
        self.version='1.1.0'
        self.url = url   
        self.cookies=cookies
        # initialize from saved capability document or access the server
        reader = WCSCapabilitiesReader(self.version)
        if xml:
            self._capabilities = reader.readString(xml)
        else:
            self._capabilities = reader.read(self.url)

        # check for exceptions
        se = self._capabilities.find('{http://www.opengis.net/ows/1.1}Exception')

        if se is not None:
            err_message = str(se.text).strip()
            raise ServiceException(err_message, xml)

        #build metadata objects:
        
        #serviceIdentification metadata
        elem=self._capabilities.find('{http://www.opengis.net/wcs/1.1/ows}ServiceIdentification')
        if elem is None:
            elem=self._capabilities.find('{http://www.opengis.net/ows/1.1}ServiceIdentification')
        self.identification=ServiceIdentification(elem)
        
        #serviceProvider
        elem=self._capabilities.find('{http://www.opengis.net/ows/1.1}ServiceProvider')
        self.provider=ServiceProvider(elem)
                
        #serviceOperations
        self.operations = []
        for elem in self._capabilities.findall('{http://www.opengis.net/wcs/1.1/ows}OperationsMetadata/{http://www.opengis.net/wcs/1.1/ows}Operation/'):
            self.operations.append(Operation(elem))
        
        # exceptions - ***********TO DO *************
            self.exceptions = [f.text for f \
                in self._capabilities.findall('Capability/Exception/Format')]
              
        # serviceContents: our assumption is that services use a top-level layer
        # as a metadata organizer, nothing more.
        self.contents = {}
        top = self._capabilities.find('{http://www.opengis.net/wcs/1.1}Contents/{http://www.opengis.net/wcs/1.1}CoverageSummary')
        for elem in self._capabilities.findall('{http://www.opengis.net/wcs/1.1}Contents/{http://www.opengis.net/wcs/1.1}CoverageSummary/{http://www.opengis.net/wcs/1.1}CoverageSummary'):                    
            cm=ContentMetadata(elem, top, self)
            self.contents[cm.id]=cm
            
        if self.contents=={}:
            #non-hierarchical.
            top=None
            for elem in self._capabilities.findall('{http://www.opengis.net/wcs/1.1}Contents/{http://www.opengis.net/wcs/1.1}CoverageSummary'):     
                cm=ContentMetadata(elem, top, self)
                #make the describeCoverage requests to populate the supported formats/crs attributes
                self.contents[cm.id]=cm
Esempio n. 5
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    def __init__(self, url, xml, cookies):
        self.version = '1.0.0'
        self.url = url
        self.cookies = cookies
        # initialize from saved capability document or access the server
        reader = WCSCapabilitiesReader(self.version, self.cookies)
        if xml:
            self._capabilities = reader.readString(xml)
        else:
            self._capabilities = reader.read(self.url)

        # check for exceptions
        se = self._capabilities.find('ServiceException')

        if se is not None:
            err_message = str(se.text).strip()
            raise ServiceException(err_message, xml)

        #serviceIdentification metadata
        subelem = self._capabilities.find(ns('Service'))
        self.identification = ServiceIdentification(subelem)

        #serviceProvider metadata
        subelem = self._capabilities.find(
            ns('Service/') + ns('responsibleParty'))
        self.provider = ServiceProvider(subelem)

        #serviceOperations metadata
        self.operations = []
        for elem in self._capabilities.find(ns('Capability/') +
                                            ns('Request'))[:]:
            self.operations.append(OperationMetadata(elem))

        #serviceContents metadata
        self.contents = {}
        for elem in self._capabilities.findall(
                ns('ContentMetadata/') + ns('CoverageOfferingBrief')):
            cm = ContentMetadata(elem, self)
            self.contents[cm.id] = cm

        #Some WCS servers (wrongly) advertise 'Content' OfferingBrief instead.
        if self.contents == {}:
            for elem in self._capabilities.findall(
                    ns('ContentMetadata/') + ns('ContentOfferingBrief')):
                cm = ContentMetadata(elem, self)
                self.contents[cm.id] = cm

        #exceptions
        self.exceptions = [f.text for f \
                in self._capabilities.findall('Capability/Exception/Format')]
Esempio n. 6
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    def __init__(self,url,xml, cookies):
        self.version='1.0.0'
        self.url = url   
        self.cookies=cookies
        # initialize from saved capability document or access the server
        reader = WCSCapabilitiesReader(self.version, self.cookies)
        if xml:
            self._capabilities = reader.readString(xml)
        else:
            self._capabilities = reader.read(self.url)

        # check for exceptions
        se = self._capabilities.find('ServiceException')

        if se is not None:
            err_message = str(se.text).strip()  
            raise ServiceException(err_message, xml) 

        #serviceIdentification metadata
        subelem=self._capabilities.find(ns('Service'))
        self.identification=ServiceIdentification(subelem)                               
                   
        #serviceProvider metadata
        subelem=self._capabilities.find(ns('Service/')+ns('responsibleParty'))
        self.provider=ServiceProvider(subelem)   
        
        #serviceOperations metadata
        self.operations=[]
        for elem in self._capabilities.find(ns('Capability/')+ns('Request'))[:]:
            self.operations.append(OperationMetadata(elem))
          
        #serviceContents metadata
        self.contents={}
        for elem in self._capabilities.findall(ns('ContentMetadata/')+ns('CoverageOfferingBrief')): 
            cm=ContentMetadata(elem, self)
            self.contents[cm.id]=cm
        
        #Some WCS servers (wrongly) advertise 'Content' OfferingBrief instead.
        if self.contents=={}:
            for elem in self._capabilities.findall(ns('ContentMetadata/')+ns('ContentOfferingBrief')): 
                cm=ContentMetadata(elem, self)
                self.contents[cm.id]=cm
        
        #exceptions
        self.exceptions = [f.text for f \
                in self._capabilities.findall('Capability/Exception/Format')]
Esempio n. 7
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    def __init__(self, url, xml, cookies):
        self.version = "1.0.0"
        self.url = url
        self.cookies = cookies
        # initialize from saved capability document or access the server
        reader = WCSCapabilitiesReader(self.version, self.cookies)
        if xml:
            self._capabilities = reader.readString(xml)
        else:
            self._capabilities = reader.read(self.url)

        # serviceIdentification metadata
        subelem = self._capabilities.find(ns("Service"))
        self.identification = ServiceIdentification(subelem)

        # serviceProvider metadata
        subelem = self._capabilities.find(ns("Service/") + ns("responsibleParty"))
        self.provider = ServiceProvider(subelem)

        # serviceOperations metadata
        self.operations = []
        for elem in self._capabilities.find(ns("Capability/") + ns("Request"))[:]:
            self.operations.append(OperationMetadata(elem))

        # serviceContents metadata
        self.contents = {}
        for elem in self._capabilities.findall(ns("ContentMetadata/") + ns("CoverageOfferingBrief")):
            cm = ContentMetadata(elem, self)
            self.contents[cm.id] = cm

        # Some WCS servers (wrongly) advertise 'Content' OfferingBrief instead.
        if self.contents == {}:
            for elem in self._capabilities.findall(ns("ContentMetadata/") + ns("ContentOfferingBrief")):
                cm = ContentMetadata(elem, self)
                self.contents[cm.id] = cm

        # exceptions
        self.exceptions = [f.text for f in self._capabilities.findall("Capability/Exception/Format")]
Esempio n. 8
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    def __init__(self,url,xml, cookies):
        capabilities = etree.fromstring(xml)
        version = capabilities.get('version')
        self.version=version
        
        # sometimes a wcs 1.1.1 namespace is used ...
        capsnamespaces = capabilities.nsmap
        global WCS_NAMESPACE, OWS_NAMESPACE
        OWS_NAMESPACE = capsnamespaces['ows']
        if 'wcs' in capsnamespaces:
            WCS_NAMESPACE = capsnamespaces['wcs']
        else:
            # sometimes the WCS namespace is the default one, returned in the capsnamespaces with None as key...
            WCS_NAMESPACE = [v for k,v in capsnamespaces.items() if k is None][0]
       
        self.url = url   
        self.cookies=cookies
        # initialize from saved capability document or access the server
        reader = WCSCapabilitiesReader(self.version)
 
        if xml:
            self._capabilities = reader.readString(xml)
        else:
            self._capabilities = reader.read(self.url)
                      
        #build metadata objects:
        
        #serviceIdentification metadata
        elem=self._capabilities.find(nspath('ServiceIdentification',OWS_NAMESPACE))
        print elem
        
        self.identification=ServiceIdentification(elem,OWS_NAMESPACE)
        
        #serviceProvider
        elem=self._capabilities.find(nspath('ServiceProvider',OWS_NAMESPACE))
        self.provider=ServiceProvider(elem,OWS_NAMESPACE)
                
        #serviceOperations
        self.operations = []
        for elem in self._capabilities.findall(nspath('OperationsMetadata/Operation')):
            self.operations.append(Operation(elem))
        
        # exceptions - ***********TO DO *************
        self.exceptions = [f.text for f \
            in self._capabilities.findall(nspath('Capability/Exception/Format'))]
              
        # serviceContents: our assumption is that services use a top-level layer
        # as a metadata organizer, nothing more.
        self.contents = {}
        top = self._capabilities.find(nspath('Contents/CoverageSummary', WCS_NAMESPACE))
        for elem in self._capabilities.findall(nspath('Contents/CoverageSummary/CoverageSummary', WCS_NAMESPACE)):                    
            cm=ContentMetadata(elem, top, self)
            self.contents[cm.id]=cm
            
        if self.contents=={}:
            #non-hierarchical.
            top=None
            for elem in self._capabilities.findall(nspath('Contents/CoverageSummary', WCS_NAMESPACE)):
                #print elem     
                cm=ContentMetadata(elem, top, self)
                #make the describeCoverage requests to populate the supported formats/crs attributes
                self.contents[cm.id]=cm