def __init__(self, elem): """.""" self.name = xmltag_split(elem.tag) # formatOptions self.formatOptions = [f.text for f in elem.findall('Format')] self.methods = [] for verb in elem.findall('DCPType/HTTP/*'): url = verb.find('OnlineResource').attrib['{http://www.w3.org/1999/xlink}href'] self.methods.append({'type' : xmltag_split(verb.tag), 'url': url})
def __init__(self, elem): """.""" self.name = xmltag_split(elem.tag) # formatOptions self.formatOptions = [f.tag for f in elem.findall(nspath('ResultFormat/*'))] self.methods = [] for verb in elem.findall(nspath('DCPType/HTTP/*')): url = verb.attrib['onlineResource'] self.methods.append({'type' : xmltag_split(verb.tag), 'url': url})
def __init__(self, elem): """.""" self.name = xmltag_split(elem.tag) # formatOptions self.formatOptions = [f.tag for f in elem.findall(nspath("ResultFormat/*"))] self.methods = [] for verb in elem.findall(nspath("DCPType/HTTP/*")): url = verb.attrib["onlineResource"] self.methods.append({"type": xmltag_split(verb.tag), "url": url})
def __init__(self, elem): """.""" self.name = xmltag_split(elem.tag) # formatOptions self.formatOptions = [f.text for f in elem.findall(nspath('Format', WMS_NAMESPACE))] self.methods = [] for verb in elem.findall(nspath('DCPType/HTTP/*', WMS_NAMESPACE)): url = verb.find(nspath('OnlineResource', WMS_NAMESPACE)).attrib['{http://www.w3.org/1999/xlink}href'] self.methods.append({'type': xmltag_split(verb.tag), 'url': url})
def __init__(self, elem): """.""" self.name = xmltag_split(elem.tag) # formatOptions self.formatOptions = [ f.text for f in elem.findall(subcommon.nspath('Format', WMS_NAMESPACE)) ] self.methods = [] for verb in elem.findall( subcommon.nspath('DCPType/HTTP/*', WMS_NAMESPACE)): url = verb.find( subcommon.nspath('OnlineResource', ns=WMS_NAMESPACE)) xlink_ns = url.nsmap['xlink'] url = url.attrib[subcommon.nspath('href', ns=xlink_ns)] self.methods.append({'type': xmltag_split(verb.tag), 'url': url})
def __init__(self, elem, namespace=DEFAULT_OWS_NAMESPACE): self.name = elem.attrib['name'] self.formatOptions = ['text/xml'] methods = [] parameters = [] constraints = [] for verb in elem.findall(util.nspath('DCP/HTTP/*', namespace)): methods.append((util.xmltag_split(verb.tag), { 'url': verb.attrib[util.nspath('href', XLINK_NAMESPACE)] })) self.methods = dict(methods) for parameter in elem.findall(util.nspath('Parameter', namespace)): parameters.append((parameter.attrib['name'], { 'values': [ i.text for i in parameter.findall(util.nspath('Value', namespace)) ] })) self.parameters = dict(parameters) for constraint in elem.findall(util.nspath('Constraint', namespace)): constraints.append((constraint.attrib['name'], { 'values': [ i.text for i in constraint.findall( util.nspath('Value', namespace)) ] })) self.constraints = dict(constraints)
def __init__(self, elem, namespace=DEFAULT_OWS_NAMESPACE): if 'name' not in elem.attrib: # This is not a valid element return self.name = elem.attrib['name'] self.formatOptions = ['text/xml'] parameters = [] self.methods = [] self.constraints = [] for verb in elem.findall(util.nspath('DCP/HTTP/*', namespace)): url = util.testXMLAttribute(verb, util.nspath('href', XLINK_NAMESPACE)) if url is not None: verb_constraints = [Constraint(conts, namespace) for conts in verb.findall( util.nspath('Constraint', namespace))] self.methods.append({'constraints': verb_constraints, 'type': util.xmltag_split(verb.tag), 'url': url}) for parameter in elem.findall(util.nspath('Parameter', namespace)): if namespace == OWS_NAMESPACE_1_1_0: parameters.append((parameter.attrib['name'], {'values': [i.text for i in parameter.findall( util.nspath('AllowedValues/Value', namespace))]})) else: parameters.append((parameter.attrib['name'], {'values': [i.text for i in parameter.findall( util.nspath('Value', namespace))]})) self.parameters = dict(parameters) for constraint in elem.findall(util.nspath('Constraint', namespace)): self.constraints.append(Constraint(constraint, namespace))
def __init__(self, md=None): Owslib.iso.MD_Metadata.__init__(self, md) if md is not None: val = md.find( util.nspath_eval( 'gmd:identificationInfo/gmd:MD_DataIdentification', Owslib.iso.namespaces, ), ) val2 = md.find( util.nspath_eval( 'gmd:identificationInfo/srv:SV_ServiceIdentification', Owslib.iso.namespaces, ), ) if val is not None: self.identification = MD_DataIdentification_MOD(val, 'dataset') self.serviceidentification = None elif val2 is not None: self.identification = MD_DataIdentification_MOD( val2, 'service', ) self.serviceidentification = Owslib.iso.\ SV_ServiceIdentification(val2) else: self.identification = None self.serviceidentification = None self.identificationinfo = [] for idinfo in md.findall( util.nspath_eval( 'gmd:identificationInfo', Owslib.iso.namespaces, ), ): val = list(idinfo)[0] tagval = util.xmltag_split(val.tag) if tagval == 'MD_DataIdentification': self.identificationinfo.append( MD_DataIdentification_MOD(val, 'dataset'), ) elif tagval == 'MD_ServiceIdentification': self.identificationinfo.append( MD_DataIdentification_MOD(val, 'service'), ) elif tagval == 'SV_ServiceIdentification': self.identificationinfo.append( Owslib.iso.SV_ServiceIdentification(val), ) val = md.find( util.nspath_eval( 'gmd:distributionInfo/gmd:MD_Distribution', Owslib.iso.namespaces, ), )
def __init__(self,elem,namespace=DEFAULT_OWS_NAMESPACE): self.name = elem.attrib['name'] self.formatOptions = ['text/xml'] methods = [] parameters = [] constraints = [] for verb in elem.findall(util.nspath('DCP/HTTP/*', namespace)): methods.append((util.xmltag_split(verb.tag), {'url': verb.attrib[util.nspath('href', XLINK_NAMESPACE)]})) self.methods = dict(methods) for parameter in elem.findall(util.nspath('Parameter', namespace)): parameters.append((parameter.attrib['name'], {'values': [i.text for i in parameter.findall(util.nspath('Value', namespace))]})) self.parameters = dict(parameters) for constraint in elem.findall(util.nspath('Constraint', namespace)): constraints.append((constraint.attrib['name'], {'values': [i.text for i in constraint.findall(util.nspath('Value', namespace))]})) self.constraints = dict(constraints)
def __init__(self, element, namespace=None): self._root = element self.name = testXMLAttribute(self._root,'name') methods = [] for verb in self._root.findall(nsp('DCP/HTTP/*', namespace)): url = testXMLAttribute(verb, nspath_eval('xlink:href')) methods.append((xmltag_split(verb.tag), {'url': url})) self.methods = dict(methods) parameters = [] for parameter in self._root.findall(nsp('Parameter', namespace)): parameters.append((testXMLAttribute(parameter,'name'), {'values': [i.text for i in parameter.findall('.//' + nsp('Value', namespace))]})) self.parameters = dict(parameters) constraints = [] for constraint in self._root.findall(nsp('Constraint', namespace)): constraints.append((testXMLAttribute(constraint,'name'), {'values': [i.text for i in constraint.findall('.//' + nsp('Value', namespace))]})) self.constraints = dict(constraints)
def __init__(self, element, ows_version='1.0.0'): self._root = element global _ows_version _ows_version = ows_version self.name = testXMLAttribute(self._root,'name') methods = [] for verb in self._root.findall(ns_ows('ows:DCP/ows:HTTP/*')): url = testXMLAttribute(verb, nspath_eval('xlink:href')) methods.append((xmltag_split(verb.tag), {'url': url})) self.methods = dict(methods) parameters = [] for parameter in self._root.findall(ns_ows('ows:Parameter')): parameters.append((testXMLAttribute(parameter,'name'), {'values': [i.text for i in parameter.findall(ns_ows('.//ows:Value'))]})) self.parameters = dict(parameters) constraints = [] for constraint in self._root.findall(ns_ows('ows:Constraint')): constraints.append((testXMLAttribute(constraint,'name'), {'values': [i.text for i in constraint.findall(ns_ows('.//ows:Value'))]})) self.constraints = dict(constraints)
def __init__(self, elem, namespace=DEFAULT_OWS_NAMESPACE): self.name = elem.attrib['name'] self.formatOptions = ['text/xml'] parameters = [] self.methods = [] self.constraints = [] for verb in elem.findall(util.nspath('DCP/HTTP/*', namespace)): url = util.testXMLAttribute(verb, util.nspath('href', XLINK_NAMESPACE)) if url is not None: verb_constraints = [Constraint(conts, namespace) for conts in verb.findall(util.nspath('Constraint', namespace))] self.methods.append({'constraints' : verb_constraints, 'type' : util.xmltag_split(verb.tag), 'url': url}) for parameter in elem.findall(util.nspath('Parameter', namespace)): if namespace == OWS_NAMESPACE_1_1_0: parameters.append((parameter.attrib['name'], {'values': [i.text for i in parameter.findall(util.nspath('AllowedValues/Value', namespace))]})) else: parameters.append((parameter.attrib['name'], {'values': [i.text for i in parameter.findall(util.nspath('Value', namespace))]})) self.parameters = dict(parameters) for constraint in elem.findall(util.nspath('Constraint', namespace)): self.constraints.append(Constraint(constraint, namespace))
def __init__(self, elem, namespace=DEFAULT_OWS_NAMESPACE): self.name = elem.attrib["name"] self.formatOptions = ["text/xml"] methods = [] parameters = [] constraints = [] for verb in elem.findall(util.nspath("DCP/HTTP/*", namespace)): methods.append((util.xmltag_split(verb.tag), {"url": verb.attrib[util.nspath("href", XLINK_NAMESPACE)]})) self.methods = dict(methods) for parameter in elem.findall(util.nspath("Parameter", namespace)): if namespace == OWS_NAMESPACE_1_1_0: parameters.append( ( parameter.attrib["name"], {"values": [i.text for i in parameter.findall(util.nspath("AllowedValues/Value", namespace))]}, ) ) else: parameters.append( ( parameter.attrib["name"], {"values": [i.text for i in parameter.findall(util.nspath("Value", namespace))]}, ) ) self.parameters = dict(parameters) for constraint in elem.findall(util.nspath("Constraint", namespace)): constraints.append( ( constraint.attrib["name"], {"values": [i.text for i in constraint.findall(util.nspath("Value", namespace))]}, ) ) self.constraints = dict(constraints)
def __init__(self, elem, namespace=DEFAULT_OWS_NAMESPACE): if "name" not in elem.attrib: # This is not a valid element return self.name = elem.attrib["name"] self.formatOptions = ["text/xml"] parameters = [] self.methods = [] self.constraints = [] for verb in elem.findall(util.nspath("DCP/HTTP/*", namespace)): url = util.testXMLAttribute(verb, util.nspath("href", XLINK_NAMESPACE)) if url is not None: verb_constraints = [ Constraint(conts, namespace) for conts in verb.findall(util.nspath("Constraint", namespace)) ] self.methods.append({"constraints": verb_constraints, "type": util.xmltag_split(verb.tag), "url": url}) for parameter in elem.findall(util.nspath("Parameter", namespace)): if namespace == OWS_NAMESPACE_1_1_0: parameters.append( ( parameter.attrib["name"], {"values": [i.text for i in parameter.findall(util.nspath("AllowedValues/Value", namespace))]}, ) ) else: parameters.append( ( parameter.attrib["name"], {"values": [i.text for i in parameter.findall(util.nspath("Value", namespace))]}, ) ) self.parameters = dict(parameters) for constraint in elem.findall(util.nspath("Constraint", namespace)): self.constraints.append(Constraint(constraint, namespace))
def __init__(self, elem, parent=None, children=None, index=0, parse_remote_metadata=False, timeout=30): if xmltag_split(elem.tag) != 'Layer': raise ValueError('%s should be a Layer' % (elem, )) self.parent = parent if parent: self.index = "%s.%d" % (parent.index, index) else: self.index = str(index) self._children = children self.id = self.name = testXMLValue( elem.find(nspath('Name', WMS_NAMESPACE))) # layer attributes self.queryable = int(elem.attrib.get('queryable', 0)) self.cascaded = int(elem.attrib.get('cascaded', 0)) self.opaque = int(elem.attrib.get('opaque', 0)) self.noSubsets = int(elem.attrib.get('noSubsets', 0)) self.fixedWidth = int(elem.attrib.get('fixedWidth', 0)) self.fixedHeight = int(elem.attrib.get('fixedHeight', 0)) # title is mandatory property self.title = None title = testXMLValue(elem.find(nspath('Title', WMS_NAMESPACE))) if title is not None: self.title = title.strip() self.abstract = testXMLValue( elem.find(nspath('Abstract', WMS_NAMESPACE))) # TODO: what is the preferred response to esri's handling of custom projections # in the spatial ref definitions? see http://resources.arcgis.com/en/help/main/10.1/index.html#//00sq000000m1000000 # and an example (20150812) http://maps.ngdc.noaa.gov/arcgis/services/firedetects/MapServer/WMSServer?request=GetCapabilities&service=WMS # bboxes b = elem.find(nspath('EX_GeographicBoundingBox', WMS_NAMESPACE)) self.boundingBoxWGS84 = None if b is not None: minx = b.find(nspath('westBoundLongitude', WMS_NAMESPACE)) miny = b.find(nspath('southBoundLatitude', WMS_NAMESPACE)) maxx = b.find(nspath('eastBoundLongitude', WMS_NAMESPACE)) maxy = b.find(nspath('northBoundLatitude', WMS_NAMESPACE)) box = tuple( map(float, [ minx.text if minx is not None else None, miny.text if miny is not None else None, maxx.text if maxx is not None else None, maxy.text if maxy is not None else None ])) self.boundingBoxWGS84 = tuple(box) elif self.parent: if hasattr(self.parent, 'boundingBoxWGS84'): self.boundingBoxWGS84 = self.parent.boundingBoxWGS84 # make a bbox list (of tuples) crs_list = [] for bb in elem.findall(nspath('BoundingBox', WMS_NAMESPACE)): srs_str = bb.attrib.get('CRS', None) srs = Crs(srs_str) box = tuple( map(float, [ bb.attrib['minx'], bb.attrib['miny'], bb.attrib['maxx'], bb.attrib['maxy'] ])) minx, miny, maxx, maxy = box[0], box[1], box[2], box[3] # handle the ordering so that it always # returns (minx, miny, maxx, maxy) if srs and srs.axisorder == 'yx': # reverse things minx, miny, maxx, maxy = box[1], box[0], box[3], box[2] crs_list.append(( minx, miny, maxx, maxy, srs_str, )) self.crs_list = crs_list # and maintain the original boundingBox attribute (first in list) # or the wgs84 bbox (to handle cases of incomplete parentage) self.boundingBox = crs_list[0] if crs_list else self.boundingBoxWGS84 # ScaleHint sh = elem.find(nspath('ScaleHint', WMS_NAMESPACE)) self.scaleHint = None if sh is not None: if 'min' in sh.attrib and 'max' in sh.attrib: self.scaleHint = { 'min': sh.attrib['min'], 'max': sh.attrib['max'] } attribution = elem.find(nspath('Attribution', WMS_NAMESPACE)) if attribution is not None: self.attribution = dict() title = attribution.find(nspath('Title', WMS_NAMESPACE)) url = attribution.find(nspath('OnlineResource', WMS_NAMESPACE)) logo = attribution.find(nspath('LogoURL', WMS_NAMESPACE)) if title is not None: self.attribution['title'] = title.text if url is not None: self.attribution['url'] = url.attrib[ '{http://www.w3.org/1999/xlink}href'] if logo is not None: self.attribution['logo_size'] = (int(logo.attrib['width']), int(logo.attrib['height'])) self.attribution['logo_url'] = logo.find( nspath('OnlineResource', WMS_NAMESPACE) ).attrib['{http://www.w3.org/1999/xlink}href'] # TODO: get this from the bbox attributes instead (deal with parents) # SRS options self.crsOptions = [] # Copy any parent SRS options (they are inheritable properties) if self.parent: self.crsOptions = list(self.parent.crsOptions) # Look for SRS option attached to this layer if elem.find(nspath('CRS', WMS_NAMESPACE)) is not None: # some servers found in the wild use a single SRS # tag containing a whitespace separated list of SRIDs # instead of several SRS tags. hence the inner loop for srslist in [ x.text for x in elem.findall(nspath('CRS', WMS_NAMESPACE)) ]: if srslist: for srs in srslist.split(): self.crsOptions.append(srs) # Get rid of duplicate entries self.crsOptions = list(set(self.crsOptions)) # Set self.crsOptions to None if the layer (and parents) had no SRS options if len(self.crsOptions) == 0: # raise ValueError('%s no SRS available!?' % (elem,)) # Comment by D Lowe. # Do not raise ValueError as it is possible that a layer is purely a parent layer and does not have SRS specified. Instead set crsOptions to None # Comment by Jachym: # Do not set it to None, but to [], which will make the code # work further. Fixed by anthonybaxter self.crsOptions = [] # Styles self.styles = {} # Copy any parent styles (they are inheritable properties) if self.parent: self.styles = self.parent.styles.copy() # Get the styles for this layer (items with the same name are replaced) for s in elem.findall(nspath('Style', WMS_NAMESPACE)): name = s.find(nspath('Name', WMS_NAMESPACE)) title = s.find(nspath('Title', WMS_NAMESPACE)) if name is None or title is None: raise ValueError('%s missing name or title' % (s, )) style = {'title': title.text} # legend url legend = s.find(nspath('LegendURL/OnlineResource', WMS_NAMESPACE)) if legend is not None: style['legend'] = legend.attrib[ '{http://www.w3.org/1999/xlink}href'] lgd = s.find(nspath('LegendURL', WMS_NAMESPACE)) if lgd is not None: if 'width' in list(lgd.attrib.keys()): style['legend_width'] = lgd.attrib.get('width') if 'height' in list(lgd.attrib.keys()): style['legend_height'] = lgd.attrib.get('height') lgd_format = lgd.find(nspath('Format', WMS_NAMESPACE)) if lgd_format is not None: style['legend_format'] = lgd_format.text.strip() self.styles[name.text] = style # keywords self.keywords = [ f.text for f in elem.findall(nspath('KeywordList/Keyword', WMS_NAMESPACE)) ] # extents replaced by dimensions of name # comment by Soren Scott # <Dimension name="elevation" units="meters" default="500" multipleValues="1" # nearestValue="0" current="true" unitSymbol="m">500, 490, 480</Dimension> # it can be repeated with the same name so ? this assumes a single one to match 1.1.1 self.timepositions = None self.defaulttimeposition = None time_dimension = None for dim in elem.findall(nspath('Dimension', WMS_NAMESPACE)): dim_name = dim.attrib.get('name') if dim_name is not None and dim_name.lower() == 'time': time_dimension = dim if time_dimension is not None: self.timepositions = time_dimension.text.split( ',') if time_dimension.text else None self.defaulttimeposition = time_dimension.attrib.get( 'default', None) # Elevations - available vertical levels self.elevations = None elev_dimension = None for dim in elem.findall(nspath('Dimension', WMS_NAMESPACE)): if dim.attrib.get('elevation') is not None: elev_dimension = dim if elev_dimension is not None: self.elevations = [ e.strip() for e in elev_dimension.text.split(',') ] if elev_dimension.text else None # and now capture the dimensions as more generic things (and custom things) self.dimensions = {} for dim in elem.findall(nspath('Dimension', WMS_NAMESPACE)): dim_name = dim.attrib.get('name') dim_data = {} for k, v in six.iteritems(dim.attrib): if k != 'name': dim_data[k] = v # single values and ranges are not differentiated here dim_data['values'] = dim.text.strip().split( ',') if dim.text.strip() else None self.dimensions[dim_name] = dim_data # MetadataURLs self.metadataUrls = [] for m in elem.findall(nspath('MetadataURL', WMS_NAMESPACE)): metadataUrl = { 'type': testXMLValue(m.attrib['type'], attrib=True), 'format': testXMLValue(m.find(nspath('Format', WMS_NAMESPACE))), 'url': testXMLValue(m.find(nspath('OnlineResource', WMS_NAMESPACE)). attrib['{http://www.w3.org/1999/xlink}href'], attrib=True) } if metadataUrl[ 'url'] is not None and parse_remote_metadata: # download URL try: content = openURL(metadataUrl['url'], timeout=timeout) doc = etree.parse(content) if metadataUrl['type'] is not None: if metadataUrl['type'] == 'FGDC': metadataUrl['metadata'] = Metadata(doc) if metadataUrl['type'] == 'TC211': metadataUrl['metadata'] = MD_Metadata(doc) except Exception: metadataUrl['metadata'] = None self.metadataUrls.append(metadataUrl) # DataURLs self.dataUrls = [] for m in elem.findall(nspath('DataURL', WMS_NAMESPACE)): dataUrl = { 'format': m.find(nspath('Format', WMS_NAMESPACE)).text.strip(), 'url': m.find(nspath('OnlineResource', WMS_NAMESPACE)). attrib['{http://www.w3.org/1999/xlink}href'] } self.dataUrls.append(dataUrl) # FeatureListURLs self.featureListUrls = [] for m in elem.findall(nspath('FeatureListURL', WMS_NAMESPACE)): featureUrl = { 'format': m.find(nspath('Format', WMS_NAMESPACE)).text.strip(), 'url': m.find(nspath('OnlineResource', WMS_NAMESPACE)). attrib['{http://www.w3.org/1999/xlink}href'] } self.featureListUrls.append(featureUrl) self.layers = [] for child in elem.findall(nspath('Layer', WMS_NAMESPACE)): self.layers.append(ContentMetadata(child, self))
def __init__(self, elem, parent=None, children=None, index=0, parse_remote_metadata=False, timeout=30): if xmltag_split(elem.tag) != 'Layer': raise ValueError('%s should be a Layer' % (elem, )) self.parent = parent if parent: self.index = "%s.%d" % (parent.index, index) else: self.index = str(index) self._children = children self.id = self.name = testXMLValue( elem.find(subcommon.nspath('Name', ns=WMS_NAMESPACE))) # layer attributes self.queryable = int(elem.attrib.get('queryable', 0)) self.cascaded = int(elem.attrib.get('cascaded', 0)) self.opaque = int(elem.attrib.get('opaque', 0)) self.noSubsets = int(elem.attrib.get('noSubsets', 0)) self.fixedWidth = int(elem.attrib.get('fixedWidth', 0)) self.fixedHeight = int(elem.attrib.get('fixedHeight', 0)) # title is mandatory property self.title = None title = testXMLValue( elem.find(subcommon.nspath('Title', ns=WMS_NAMESPACE))) if title is not None: self.title = title.strip() self.abstract = testXMLValue( elem.find(subcommon.nspath('Abstract', ns=WMS_NAMESPACE))) # keywords self.keywords = [ f.text for f in elem.findall( subcommon.nspath('KeywordList/Keyword', ns=WMS_NAMESPACE)) ] # ScaleHint sh = elem.find(subcommon.nspath('ScaleHint', WMS_NAMESPACE)) if sh is not None: self.scaleHint = {} if 'min' in sh.attrib: self.scaleHint['min'] = sh.attrib['min'] if 'max' in sh.attrib: self.scaleHint['max'] = sh.attrib['max'] # If not exist, try to inherit it from its parent elif self.parent: self.scaleHint = self.parent.scaleHint else: self.scaleHint = None # Attribution attribution = elem.find(subcommon.nspath('Attribution', WMS_NAMESPACE)) if attribution is not None: self.attribution = dict() self.attribution['title'] = self.attribution[ 'url'] = self.attribution['logo_size'] = self.attribution[ 'logo_format'] = self.attribution['logo_url'] = None title = attribution.find(subcommon.nspath('Title', WMS_NAMESPACE)) url = attribution.find( subcommon.nspath('OnlineResource', WMS_NAMESPACE)) logo = attribution.find(subcommon.nspath('LogoURL', WMS_NAMESPACE)) if title is not None: self.attribution['title'] = title.text if url is not None: self.attribution['url'] = url.attrib[ '{http://www.w3.org/1999/xlink}href'] if logo is not None: self.attribution['logo_format'] = logo.find( subcommon.nspath('Format', WMS_NAMESPACE)) self.attribution['logo_size'] = (int(logo.attrib['width']), int(logo.attrib['height'])) self.attribution['logo_url'] = logo.find( subcommon.nspath('OnlineResource', WMS_NAMESPACE) ).attrib['{http://www.w3.org/1999/xlink}href'] # If not exist, try to inherit it from its parent elif self.parent: self.attribution = self.parent.attribution else: self.attribution = None # LatLonBoundingBox b = elem.find(subcommon.nspath('LatLonBoundingBox', ns=WMS_NAMESPACE)) if b is not None: self.boundingBoxWGS84 = ( float(b.attrib['minx']), float(b.attrib['miny']), float(b.attrib['maxx']), float(b.attrib['maxy']), ) # If not exist, try to inherit it from its parent elif self.parent: self.boundingBoxWGS84 = self.parent.boundingBoxWGS84 else: self.boundingBoxWGS84 = None # BoundingBox b = elem.find(subcommon.nspath('BoundingBox', ns=WMS_NAMESPACE)) self.boundingBox = None if b is not None: try: # sometimes the SRS attribute is (wrongly) not provided srs = b.attrib['SRS'] except KeyError: srs = None self.boundingBox = ( float(b.attrib['minx']), float(b.attrib['miny']), float(b.attrib['maxx']), float(b.attrib['maxy']), srs, ) elif self.parent: if hasattr(self.parent, 'boundingBox'): self.boundingBox = self.parent.boundingBox # SRS options self.crsOptions = [] # Copy any parent SRS options (they are inheritable properties) if self.parent: self.crsOptions = list(self.parent.crsOptions) # Look for SRS option attached to this layer if elem.find(subcommon.nspath('SRS', ns=WMS_NAMESPACE)) is not None: ## some servers found in the wild use a single SRS ## tag containing a whitespace separated list of SRIDs ## instead of several SRS tags. hence the inner loop for srslist in [ x.text for x in elem.findall( subcommon.nspath('SRS', ns=WMS_NAMESPACE)) ]: if srslist: for srs in srslist.split(): self.crsOptions.append(srs) #Get rid of duplicate entries self.crsOptions = list(set(self.crsOptions)) #Set self.crsOptions to None if the layer (and parents) had no SRS options if len(self.crsOptions) == 0: #raise ValueError('%s no SRS available!?' % (elem,)) #Comment by D Lowe. #Do not raise ValueError as it is possible that a layer is purely a parent layer and does not have SRS specified. Instead set crsOptions to None # Comment by Jachym: # Do not set it to None, but to [], which will make the code # work further. Fixed by anthonybaxter self.crsOptions = [] #Styles self.styles = {} #Copy any parent styles (they are inheritable properties) if self.parent: self.styles = self.parent.styles.copy() #Get the styles for this layer (items with the same name are replaced) for s in elem.findall(subcommon.nspath('Style', ns=WMS_NAMESPACE)): name = s.find(subcommon.nspath('Name', ns=WMS_NAMESPACE)) title = s.find(subcommon.nspath('Title', ns=WMS_NAMESPACE)) if name is None or title is None: raise ValueError('%s missing name or title' % (s, )) style = {'title': title.text} # legend url legend = s.find( subcommon.nspath('LegendURL/OnlineResource', ns=WMS_NAMESPACE)) if legend is not None: style['legend'] = legend.attrib[ '{http://www.w3.org/1999/xlink}href'] self.styles[name.text] = style # timepositions - times for which data is available. self.timepositions = None self.defaulttimeposition = None for extent in elem.findall(subcommon.nspath('Extent', ns=WMS_NAMESPACE)): if extent.attrib.get("name").lower() == 'time': if extent.text: self.timepositions = extent.text.split(',') self.defaulttimeposition = extent.attrib.get("default") break # Elevations - available vertical levels self.elevations = None for extent in elem.findall(subcommon.nspath('Extent', ns=WMS_NAMESPACE)): if extent.attrib.get("name").lower() == 'elevation': if extent.text: self.elevations = extent.text.split(',') break # MetadataURLs self.metadataUrls = [] for m in elem.findall(subcommon.nspath('MetadataURL', ns=WMS_NAMESPACE)): metadataUrl = { 'type': testXMLValue(m.attrib['type'], attrib=True), 'format': testXMLValue( m.find(subcommon.nspath('Format', ns=WMS_NAMESPACE))), 'url': testXMLValue(m.find( subcommon.nspath('OnlineResource', ns=WMS_NAMESPACE)). attrib['{http://www.w3.org/1999/xlink}href'], attrib=True) } if metadataUrl[ 'url'] is not None and parse_remote_metadata: # download URL try: content = openURL(metadataUrl['url'], timeout=timeout) doc = etree.parse(content) if metadataUrl['type'] is not None: if metadataUrl['type'] == 'FGDC': metadataUrl['metadata'] = Metadata(doc) if metadataUrl['type'] == 'TC211': metadataUrl['metadata'] = MD_Metadata(doc) except Exception: metadataUrl['metadata'] = None self.metadataUrls.append(metadataUrl) # DataURLs self.dataUrls = [] for m in elem.findall(subcommon.nspath('DataURL', ns=WMS_NAMESPACE)): dataUrl = { 'format': m.find(subcommon.nspath('Format', ns=WMS_NAMESPACE)).text.strip(), 'url': m.find(subcommon.nspath('OnlineResource', ns=WMS_NAMESPACE)). attrib['{http://www.w3.org/1999/xlink}href'] } self.dataUrls.append(dataUrl) self.layers = [] for child in elem.findall(subcommon.nspath('Layer', ns=WMS_NAMESPACE)): self.layers.append(ContentMetadata(child, self))
def __init__(self, elem, parent=None, children=None, index=0, parse_remote_metadata=False, timeout=30): if xmltag_split(elem.tag) != 'Layer': raise ValueError('%s should be a Layer' % (elem,)) self.parent = parent if parent: self.index = "%s.%d" % (parent.index, index) else: self.index = str(index) self._children = children self.id = self.name = testXMLValue(elem.find(nspath('Name', WMS_NAMESPACE))) # layer attributes self.queryable = int(elem.attrib.get('queryable', 0)) self.cascaded = int(elem.attrib.get('cascaded', 0)) self.opaque = int(elem.attrib.get('opaque', 0)) self.noSubsets = int(elem.attrib.get('noSubsets', 0)) self.fixedWidth = int(elem.attrib.get('fixedWidth', 0)) self.fixedHeight = int(elem.attrib.get('fixedHeight', 0)) # title is mandatory property self.title = None title = testXMLValue(elem.find(nspath('Title', WMS_NAMESPACE))) if title is not None: self.title = title.strip() self.abstract = testXMLValue(elem.find(nspath('Abstract', WMS_NAMESPACE))) # TODO: what is the preferred response to esri's handling of custom projections # in the spatial ref definitions? see http://resources.arcgis.com/en/help/main/10.1/index.html#//00sq000000m1000000 # and an example (20150812) http://maps.ngdc.noaa.gov/arcgis/services/firedetects/MapServer/WMSServer?request=GetCapabilities&service=WMS # bboxes b = elem.find(nspath('EX_GeographicBoundingBox', WMS_NAMESPACE)) self.boundingBoxWGS84 = None if b is not None: minx = b.find(nspath('westBoundLongitude', WMS_NAMESPACE)) miny = b.find(nspath('southBoundLatitude', WMS_NAMESPACE)) maxx = b.find(nspath('eastBoundLongitude', WMS_NAMESPACE)) maxy = b.find(nspath('northBoundLatitude', WMS_NAMESPACE)) box = tuple(map(float, [minx.text if minx is not None else None, miny.text if miny is not None else None, maxx.text if maxx is not None else None, maxy.text if maxy is not None else None])) self.boundingBoxWGS84 = tuple(box) elif self.parent: if hasattr(self.parent, 'boundingBoxWGS84'): self.boundingBoxWGS84 = self.parent.boundingBoxWGS84 # make a bbox list (of tuples) crs_list = [] for bb in elem.findall(nspath('BoundingBox', WMS_NAMESPACE)): srs_str = bb.attrib.get('CRS', None) srs = Crs(srs_str) box = tuple(map(float, [bb.attrib['minx'], bb.attrib['miny'], bb.attrib['maxx'], bb.attrib['maxy']] )) minx, miny, maxx, maxy = box[0], box[1], box[2], box[3] # handle the ordering so that it always # returns (minx, miny, maxx, maxy) if srs and srs.axisorder == 'yx': # reverse things minx, miny, maxx, maxy = box[1], box[0], box[3], box[2] crs_list.append(( minx, miny, maxx, maxy, srs_str, )) self.crs_list = crs_list # and maintain the original boundingBox attribute (first in list) # or the wgs84 bbox (to handle cases of incomplete parentage) self.boundingBox = crs_list[0] if crs_list else self.boundingBoxWGS84 # ScaleHint sh = elem.find(nspath('ScaleHint', WMS_NAMESPACE)) self.scaleHint = None if sh is not None: if 'min' in sh.attrib and 'max' in sh.attrib: self.scaleHint = {'min': sh.attrib['min'], 'max': sh.attrib['max']} attribution = elem.find(nspath('Attribution', WMS_NAMESPACE)) if attribution is not None: self.attribution = dict() title = attribution.find(nspath('Title', WMS_NAMESPACE)) url = attribution.find(nspath('OnlineResource', WMS_NAMESPACE)) logo = attribution.find(nspath('LogoURL', WMS_NAMESPACE)) if title is not None: self.attribution['title'] = title.text if url is not None: self.attribution['url'] = url.attrib['{http://www.w3.org/1999/xlink}href'] if logo is not None: self.attribution['logo_size'] = (int(logo.attrib['width']), int(logo.attrib['height'])) self.attribution['logo_url'] = logo.find(nspath('OnlineResource', WMS_NAMESPACE)).attrib['{http://www.w3.org/1999/xlink}href'] # TODO: get this from the bbox attributes instead (deal with parents) # SRS options self.crsOptions = [] # Copy any parent SRS options (they are inheritable properties) if self.parent: self.crsOptions = list(self.parent.crsOptions) # Look for SRS option attached to this layer if elem.find(nspath('CRS', WMS_NAMESPACE)) is not None: # some servers found in the wild use a single SRS # tag containing a whitespace separated list of SRIDs # instead of several SRS tags. hence the inner loop for srslist in map(lambda x: x.text, elem.findall(nspath('CRS', WMS_NAMESPACE))): if srslist: for srs in srslist.split(): self.crsOptions.append(srs) # Get rid of duplicate entries self.crsOptions = list(set(self.crsOptions)) # Set self.crsOptions to None if the layer (and parents) had no SRS options if len(self.crsOptions) == 0: # raise ValueError('%s no SRS available!?' % (elem,)) # Comment by D Lowe. # Do not raise ValueError as it is possible that a layer is purely a parent layer and does not have SRS specified. Instead set crsOptions to None # Comment by Jachym: # Do not set it to None, but to [], which will make the code # work further. Fixed by anthonybaxter self.crsOptions = [] # Styles self.styles = {} # Copy any parent styles (they are inheritable properties) if self.parent: self.styles = self.parent.styles.copy() # Get the styles for this layer (items with the same name are replaced) for s in elem.findall(nspath('Style', WMS_NAMESPACE)): name = s.find(nspath('Name', WMS_NAMESPACE)) title = s.find(nspath('Title', WMS_NAMESPACE)) if name is None or title is None: raise ValueError('%s missing name or title' % (s,)) style = {'title': title.text} # legend url legend = s.find(nspath('LegendURL/OnlineResource', WMS_NAMESPACE)) if legend is not None: style['legend'] = legend.attrib['{http://www.w3.org/1999/xlink}href'] lgd = s.find(nspath('LegendURL', WMS_NAMESPACE)) if lgd is not None: if 'width' in lgd.attrib.keys(): style['legend_width'] = lgd.attrib.get('width') if 'height' in lgd.attrib.keys(): style['legend_height'] = lgd.attrib.get('height') lgd_format = lgd.find(nspath('Format', WMS_NAMESPACE)) if lgd_format is not None: style['legend_format'] = lgd_format.text.strip() self.styles[name.text] = style # keywords self.keywords = [f.text for f in elem.findall(nspath('KeywordList/Keyword', WMS_NAMESPACE))] # extents replaced by dimensions of name # comment by Soren Scott # <Dimension name="elevation" units="meters" default="500" multipleValues="1" # nearestValue="0" current="true" unitSymbol="m">500, 490, 480</Dimension> # it can be repeated with the same name so ? this assumes a single one to match 1.1.1 self.timepositions = None self.defaulttimeposition = None time_dimension = None for dim in elem.findall(nspath('Dimension', WMS_NAMESPACE)): if dim.attrib.get('name') is not None: time_dimension = dim if time_dimension is not None: self.timepositions = time_dimension.text.split(',') if time_dimension.text else None self.defaulttimeposition = time_dimension.attrib.get('default', None) # Elevations - available vertical levels self.elevations = None elev_dimension = None for dim in elem.findall(nspath('Dimension', WMS_NAMESPACE)): if dim.attrib.get('elevation') is not None: elev_dimension = dim if elev_dimension is not None: self.elevations = [e.strip() for e in elev_dimension.text.split(',')] if elev_dimension.text else None # and now capture the dimensions as more generic things (and custom things) self.dimensions = {} for dim in elem.findall(nspath('Dimension', WMS_NAMESPACE)): dim_name = dim.attrib.get('name') dim_data = {} for k, v in six.iteritems(dim.attrib): if k != 'name': dim_data[k] = v # single values and ranges are not differentiated here dim_data['values'] = dim.text.strip().split(',') if dim.text.strip() else None self.dimensions[dim_name] = dim_data # MetadataURLs self.metadataUrls = [] for m in elem.findall(nspath('MetadataURL', WMS_NAMESPACE)): metadataUrl = { 'type': testXMLValue(m.attrib['type'], attrib=True), 'format': testXMLValue(m.find(nspath('Format', WMS_NAMESPACE))), 'url': testXMLValue(m.find(nspath('OnlineResource', WMS_NAMESPACE)).attrib['{http://www.w3.org/1999/xlink}href'], attrib=True) } if metadataUrl['url'] is not None and parse_remote_metadata: # download URL try: content = openURL(metadataUrl['url'], timeout=timeout) doc = etree.parse(content) if metadataUrl['type'] is not None: if metadataUrl['type'] == 'FGDC': metadataUrl['metadata'] = Metadata(doc) if metadataUrl['type'] == 'TC211': metadataUrl['metadata'] = MD_Metadata(doc) except Exception: metadataUrl['metadata'] = None self.metadataUrls.append(metadataUrl) # DataURLs self.dataUrls = [] for m in elem.findall(nspath('DataURL', WMS_NAMESPACE)): dataUrl = { 'format': m.find(nspath('Format', WMS_NAMESPACE)).text.strip(), 'url': m.find(nspath('OnlineResource', WMS_NAMESPACE)).attrib['{http://www.w3.org/1999/xlink}href'] } self.dataUrls.append(dataUrl) # FeatureListURLs self.featureListUrls = [] for m in elem.findall(nspath('FeatureListURL', WMS_NAMESPACE)): featureUrl = { 'format': m.find(nspath('Format', WMS_NAMESPACE)).text.strip(), 'url': m.find(nspath('OnlineResource', WMS_NAMESPACE)).attrib['{http://www.w3.org/1999/xlink}href'] } self.featureListUrls.append(featureUrl) self.layers = [] for child in elem.findall(nspath('Layer', WMS_NAMESPACE)): self.layers.append(ContentMetadata(child, self))
def __init__(self, md=None): if md is None: self.xml = None self.identifier = None self.parentidentifier = None self.language = None self.dataseturi = None self.languagecode = None self.datestamp = None self.charset = None self.hierarchy = None self.contact = [] self.datetimestamp = None self.stdname = None self.stdver = None self.referencesystem = None self.identification = None self.serviceidentification = None self.identificationinfo = [] self.distribution = None self.dataquality = None else: if hasattr(md, 'getroot'): # standalone document self.xml = etree.tostring(md.getroot()) else: # part of a larger document self.xml = etree.tostring(md) val = md.find(util.nspath_eval('gmd:fileIdentifier/gco:CharacterString', namespaces)) self.identifier = util.testXMLValue(val) val = md.find(util.nspath_eval('gmd:parentIdentifier/gco:CharacterString', namespaces)) self.parentidentifier = util.testXMLValue(val) val = md.find(util.nspath_eval('gmd:language/gco:CharacterString', namespaces)) self.language = util.testXMLValue(val) val = md.find(util.nspath_eval('gmd:dataSetURI/gco:CharacterString', namespaces)) self.dataseturi = util.testXMLValue(val) val = md.find(util.nspath_eval('gmd:language/gmd:LanguageCode', namespaces)) self.languagecode = util.testXMLValue(val) val = md.find(util.nspath_eval('gmd:dateStamp/gco:Date', namespaces)) self.datestamp = util.testXMLValue(val) if not self.datestamp: val = md.find(util.nspath_eval('gmd:dateStamp/gco:DateTime', namespaces)) self.datestamp = util.testXMLValue(val) self.charset = _testCodeListValue(md.find(util.nspath_eval('gmd:characterSet/gmd:MD_CharacterSetCode', namespaces))) self.hierarchy = _testCodeListValue(md.find(util.nspath_eval('gmd:hierarchyLevel/gmd:MD_ScopeCode', namespaces))) self.contact = [] for i in md.findall(util.nspath_eval('gmd:contact/gmd:CI_ResponsibleParty', namespaces)): o = CI_ResponsibleParty(i) self.contact.append(o) val = md.find(util.nspath_eval('gmd:dateStamp/gco:DateTime', namespaces)) self.datetimestamp = util.testXMLValue(val) val = md.find(util.nspath_eval('gmd:metadataStandardName/gco:CharacterString', namespaces)) self.stdname = util.testXMLValue(val) val = md.find(util.nspath_eval('gmd:metadataStandardVersion/gco:CharacterString', namespaces)) self.stdver = util.testXMLValue(val) val = md.find(util.nspath_eval('gmd:referenceSystemInfo/gmd:MD_ReferenceSystem', namespaces)) if val is not None: self.referencesystem = MD_ReferenceSystem(val) else: self.referencesystem = None # TODO: merge .identificationinfo into .identification #warnings.warn( # 'the .identification and .serviceidentification properties will merge into ' # '.identification being a list of properties. This is currently implemented ' # 'in .identificationinfo. ' # 'Please see https://github.com/geopython/OWSLib/issues/38 for more information', # FutureWarning) val = md.find(util.nspath_eval('gmd:identificationInfo/gmd:MD_DataIdentification', namespaces)) val2 = md.find(util.nspath_eval('gmd:identificationInfo/srv:SV_ServiceIdentification', namespaces)) if val is not None: self.identification = MD_DataIdentification(val, 'dataset') self.serviceidentification = None elif val2 is not None: self.identification = MD_DataIdentification(val2, 'service') self.serviceidentification = SV_ServiceIdentification(val2) else: self.identification = None self.serviceidentification = None self.identificationinfo = [] for idinfo in md.findall(util.nspath_eval('gmd:identificationInfo', namespaces)): val = list(idinfo)[0] tagval = util.xmltag_split(val.tag) if tagval == 'MD_DataIdentification': self.identificationinfo.append(MD_DataIdentification(val, 'dataset')) elif tagval == 'MD_ServiceIdentification': self.identificationinfo.append(MD_DataIdentification(val, 'service')) elif tagval == 'SV_ServiceIdentification': self.identificationinfo.append(SV_ServiceIdentification(val)) val = md.find(util.nspath_eval('gmd:distributionInfo/gmd:MD_Distribution', namespaces)) if val is not None: self.distribution = MD_Distribution(val) else: self.distribution = None val = md.find(util.nspath_eval('gmd:dataQualityInfo/gmd:DQ_DataQuality', namespaces)) if val is not None: self.dataquality = DQ_DataQuality(val) else: self.dataquality = None
def __init__(self, md=None): if md is None: self.xml = None self.identifier = None self.parentidentifier = None self.language = None self.dataseturi = None self.languagecode = None self.datestamp = None self.charset = None self.hierarchy = None self.contact = [] self.datetimestamp = None self.stdname = None self.stdver = None self.referencesystem = None self.identification = None self.serviceidentification = None self.identificationinfo = [] self.distribution = None self.dataquality = None else: if hasattr(md, 'getroot'): # standalone document self.xml = etree.tostring(md.getroot()) else: # part of a larger document self.xml = etree.tostring(md) val = md.find( util.nspath_eval('gmd:fileIdentifier/gco:CharacterString', namespaces)) self.identifier = util.testXMLValue(val) val = md.find( util.nspath_eval('gmd:parentIdentifier/gco:CharacterString', namespaces)) self.parentidentifier = util.testXMLValue(val) val = md.find( util.nspath_eval('gmd:language/gco:CharacterString', namespaces)) self.language = util.testXMLValue(val) val = md.find( util.nspath_eval('gmd:dataSetURI/gco:CharacterString', namespaces)) self.dataseturi = util.testXMLValue(val) val = md.find( util.nspath_eval('gmd:language/gmd:LanguageCode', namespaces)) self.languagecode = util.testXMLAttribute(val, 'codeListValue') val = md.find( util.nspath_eval('gmd:dateStamp/gco:Date', namespaces)) self.datestamp = util.testXMLValue(val) if not self.datestamp: val = md.find( util.nspath_eval('gmd:dateStamp/gco:DateTime', namespaces)) self.datestamp = util.testXMLValue(val) self.charset = _testCodeListValue( md.find( util.nspath_eval( 'gmd:characterSet/gmd:MD_CharacterSetCode', namespaces))) self.hierarchy = _testCodeListValue( md.find( util.nspath_eval('gmd:hierarchyLevel/gmd:MD_ScopeCode', namespaces))) self.contact = [] for i in md.findall( util.nspath_eval('gmd:contact/gmd:CI_ResponsibleParty', namespaces)): o = CI_ResponsibleParty(i) self.contact.append(o) val = md.find( util.nspath_eval('gmd:dateStamp/gco:DateTime', namespaces)) self.datetimestamp = util.testXMLValue(val) val = md.find( util.nspath_eval( 'gmd:metadataStandardName/gco:CharacterString', namespaces)) self.stdname = util.testXMLValue(val) val = md.find( util.nspath_eval( 'gmd:metadataStandardVersion/gco:CharacterString', namespaces)) self.stdver = util.testXMLValue(val) val = md.find( util.nspath_eval( 'gmd:referenceSystemInfo/gmd:MD_ReferenceSystem', namespaces)) if val is not None: self.referencesystem = MD_ReferenceSystem(val) else: self.referencesystem = None # TODO: merge .identificationinfo into .identification warnings.warn( 'the .identification and .serviceidentification properties will merge into ' '.identification being a list of properties. This is currently implemented ' 'in .identificationinfo. ' 'Please see https://github.com/geopython/OWSLib/issues/38 for more information', FutureWarning) val = md.find( util.nspath_eval( 'gmd:identificationInfo/gmd:MD_DataIdentification', namespaces)) val2 = md.find( util.nspath_eval( 'gmd:identificationInfo/srv:SV_ServiceIdentification', namespaces)) if val is not None: self.identification = MD_DataIdentification(val, 'dataset') self.serviceidentification = None elif val2 is not None: self.identification = MD_DataIdentification(val2, 'service') self.serviceidentification = SV_ServiceIdentification(val2) else: self.identification = None self.serviceidentification = None self.identificationinfo = [] for idinfo in md.findall( util.nspath_eval('gmd:identificationInfo', namespaces)): if len(idinfo) > 0: val = list(idinfo)[0] tagval = util.xmltag_split(val.tag) if tagval == 'MD_DataIdentification': self.identificationinfo.append( MD_DataIdentification(val, 'dataset')) elif tagval == 'MD_ServiceIdentification': self.identificationinfo.append( MD_DataIdentification(val, 'service')) elif tagval == 'SV_ServiceIdentification': self.identificationinfo.append( SV_ServiceIdentification(val)) val = md.find( util.nspath_eval('gmd:distributionInfo/gmd:MD_Distribution', namespaces)) if val is not None: self.distribution = MD_Distribution(val) else: self.distribution = None val = md.find( util.nspath_eval('gmd:dataQualityInfo/gmd:DQ_DataQuality', namespaces)) if val is not None: self.dataquality = DQ_DataQuality(val) else: self.dataquality = None
def __init__(self, elem, parent=None, children=None, index=0, parse_remote_metadata=False, timeout=30): if xmltag_split(elem.tag) != 'Layer': raise ValueError('%s should be a Layer' % (elem, )) self.parent = parent if parent: self.index = "%s.%d" % (parent.index, index) else: self.index = str(index) self._children = children self.id = self.name = testXMLValue( elem.find(subcommon.nspath('Name', ns=WMS_NAMESPACE))) # layer attributes self.queryable = int(elem.attrib.get('queryable', 0)) self.cascaded = int(elem.attrib.get('cascaded', 0)) self.opaque = int(elem.attrib.get('opaque', 0)) self.noSubsets = int(elem.attrib.get('noSubsets', 0)) self.fixedWidth = int(elem.attrib.get('fixedWidth', 0)) self.fixedHeight = int(elem.attrib.get('fixedHeight', 0)) # title is mandatory property self.title = None title = testXMLValue( elem.find(subcommon.nspath('Title', ns=WMS_NAMESPACE))) if title is not None: self.title = title.strip() self.abstract = testXMLValue( elem.find(subcommon.nspath('Abstract', ns=WMS_NAMESPACE))) # keywords self.keywords = [ f.text for f in elem.findall( subcommon.nspath('KeywordList/Keyword', ns=WMS_NAMESPACE)) ] # ScaleHint sh = elem.find(subcommon.nspath('ScaleHint', ns=WMS_NAMESPACE)) self.scaleHint = None if sh is not None: if 'min' in sh.attrib and 'max' in sh.attrib: self.scaleHint = { 'min': sh.attrib['min'], 'max': sh.attrib['max'] } attribution = elem.find( subcommon.nspath('Attribution', ns=WMS_NAMESPACE)) if attribution is not None: self.attribution = dict() title = attribution.find( subcommon.nspath('Title', ns=WMS_NAMESPACE)) url = attribution.find( subcommon.nspath('OnlineResource', ns=WMS_NAMESPACE)) logo = attribution.find( subcommon.nspath('LogoURL', ns=WMS_NAMESPACE)) if title is not None: self.attribution['title'] = title.text if url is not None: self.attribution['url'] = url.attrib[ '{http://www.w3.org/1999/xlink}href'] if logo is not None: self.attribution['logo_size'] = (int(logo.attrib['width']), int(logo.attrib['height'])) self.attribution['logo_url'] = logo.find( subcommon.nspath('OnlineResource', ns=WMS_NAMESPACE) ).attrib['{http://www.w3.org/1999/xlink}href'] b = elem.find(subcommon.nspath('LatLonBoundingBox', ns=WMS_NAMESPACE)) if b is not None: self.boundingBoxWGS84 = ( float(b.attrib['minx']), float(b.attrib['miny']), float(b.attrib['maxx']), float(b.attrib['maxy']), ) elif self.parent: self.boundingBoxWGS84 = self.parent.boundingBoxWGS84 else: self.boundingBoxWGS84 = None # bboxes bbs = elem.findall(subcommon.nspath('BoundingBox', WMS_NAMESPACE)) if not bbs: crs_list = [] for bb in bbs: srs_str = bb.attrib.get('SRS', None) srs = Crs(srs_str) box = tuple( map(float, [ bb.attrib['minx'], bb.attrib['miny'], bb.attrib['maxx'], bb.attrib['maxy'] ])) minx, miny, maxx, maxy = box[0], box[1], box[2], box[3] # handle the ordering so that it always # returns (minx, miny, maxx, maxy) if srs and srs.axisorder == 'yx': # reverse things minx, miny, maxx, maxy = box[1], box[0], box[3], box[2] crs_list.append((minx, miny, maxx, maxy, srs_str)) self.crs_list = crs_list elif self.parent: self.crs_list = self.parent.crs_list else: self.crs_list = None # and maintain the original boundingBox attribute (first in list) # or the wgs84 bbox (to handle cases of incomplete parentage) self.boundingBox = self.crs_list[ 0] if self.crs_list else self.boundingBoxWGS84 # SRS options self.crsOptions = [] # Copy any parent SRS options (they are inheritable properties) if self.parent: self.crsOptions = list(self.parent.crsOptions) # Look for SRS option attached to this layer if elem.find(subcommon.nspath('SRS', ns=WMS_NAMESPACE)) is not None: ## some servers found in the wild use a single SRS ## tag containing a whitespace separated list of SRIDs ## instead of several SRS tags. hence the inner loop for srslist in [ x.text for x in elem.findall( subcommon.nspath('SRS', ns=WMS_NAMESPACE)) ]: if srslist: for srs in srslist.split(): self.crsOptions.append(srs) #Get rid of duplicate entries self.crsOptions = list(set(self.crsOptions)) #Set self.crsOptions to None if the layer (and parents) had no SRS options if len(self.crsOptions) == 0: #raise ValueError('%s no SRS available!?' % (elem,)) #Comment by D Lowe. #Do not raise ValueError as it is possible that a layer is purely a parent layer and does not have SRS specified. Instead set crsOptions to None # Comment by Jachym: # Do not set it to None, but to [], which will make the code # work further. Fixed by anthonybaxter self.crsOptions = None #Styles self.styles = {} #Copy any parent styles (they are inheritable properties) if self.parent: self.styles = self.parent.styles.copy() #Get the styles for this layer (items with the same name are replaced) for s in elem.findall(subcommon.nspath('Style', ns=WMS_NAMESPACE)): name = s.find(subcommon.nspath('Name', ns=WMS_NAMESPACE)) title = s.find(subcommon.nspath('Title', ns=WMS_NAMESPACE)) if not name: continue if title is None: style = {'title': None} else: style = {'title': title.text} # if name is None or title is None: # raise ValueError('%s missing name or title' % (s,)) # style = { 'title' : title.text } # legend url legend = s.find( subcommon.nspath('LegendURL/OnlineResource', ns=WMS_NAMESPACE)) if legend is not None: style['legend'] = legend.attrib[ '{http://www.w3.org/1999/xlink}href'] lgd = s.find(subcommon.nspath('LegendURL', WMS_NAMESPACE)) if lgd is not None: if 'width' in lgd.attrib.keys(): style['legend_width'] = lgd.attrib.get('width') if 'height' in lgd.attrib.keys(): style['legend_height'] = lgd.attrib.get('height') lgd_format = lgd.find(subcommon.nspath('Format', WMS_NAMESPACE)) if lgd_format is not None: style['legend_format'] = lgd_format.text.strip() self.styles[name.text] = style # timepositions - times for which data is available. self.timepositions = None self.defaulttimeposition = None for extent in elem.findall(subcommon.nspath('Extent', ns=WMS_NAMESPACE)): if extent.attrib.get("name").lower() == 'time': if extent.text: self.timepositions = extent.text.split(',') self.defaulttimeposition = extent.attrib.get("default") break # Elevations - available vertical levels self.elevations = None for extent in elem.findall(subcommon.nspath('Extent', ns=WMS_NAMESPACE)): if extent.attrib.get("name").lower() == 'elevation': if extent.text: self.elevations = extent.text.split(',') break # MetadataURLs self.metadataUrls = [] for m in elem.findall(subcommon.nspath('MetadataURL', ns=WMS_NAMESPACE)): metadataUrl = { # 'type': testXMLValue(m.attrib['type'], attrib=True), # 'format': testXMLValue(m.find(subcommon.nspath('Format',ns=WMS_NAMESPACE))), # 'url': testXMLValue(m.find(subcommon.nspath('OnlineResource',ns=WMS_NAMESPACE)).attrib['{http://www.w3.org/1999/xlink}href'], attrib=True) 'type': testXMLValue(subcommon.attrib_extraction(m, 'type', None), attrib=True), 'format': testXMLValue( m.find(subcommon.nspath('Format', ns=WMS_NAMESPACE))), 'url': testXMLValue(subcommon.attrib_extraction( m.find(subcommon.nspath('OnlineResource', ns=WMS_NAMESPACE)), 'href', 'xlink}'), attrib=True) } if metadataUrl[ 'url'] is not None and parse_remote_metadata: # download URL try: content = openURL(metadataUrl['url'], timeout=timeout) doc = etree.parse(content) if metadataUrl['type'] is not None: if metadataUrl['type'] == 'FGDC': metadataUrl['metadata'] = Metadata(doc) if metadataUrl['type'] == 'TC211': metadataUrl['metadata'] = MD_Metadata(doc) except Exception: metadataUrl['metadata'] = None self.metadataUrls.append(metadataUrl) def str_strip(str_text): if str_text: return str_text.strip() else: return str_text # FeatureListURLs self.featureListUrls = [] for m in elem.findall( subcommon.nspath('FeatureListURL', ns=WMS_NAMESPACE)): featureListUrl = { 'format': str_strip( m.find(subcommon.nspath('Format', ns=WMS_NAMESPACE)).text), 'url': subcommon.attrib_extraction( m.find(subcommon.nspath('OnlineResource', ns=WMS_NAMESPACE)), 'href', 'xlink') } self.featureListUrls.append(featureListUrl) # DataURLs self.dataUrls = [] for m in elem.findall(subcommon.nspath('DataURL', ns=WMS_NAMESPACE)): dataUrl = { 'format': str_strip( m.find(subcommon.nspath('Format', ns=WMS_NAMESPACE)).text), 'url': subcommon.attrib_extraction( m.find(subcommon.nspath('OnlineResource', ns=WMS_NAMESPACE)), 'href', 'xlink') } self.dataUrls.append(dataUrl) self.layers = [] for child in elem.findall(subcommon.nspath('Layer', ns=WMS_NAMESPACE)): self.layers.append(SubContentMetadata(child, self))