def __init__(self, url, lang='en-US', version='2.0.2', timeout=10, skip_caps=False,
username=None, password=None, auth=None):
"""
Construct and process a GetCapabilities request
Parameters
----------
- url: the URL of the CSW
- lang: the language (default is 'en-US')
- version: version (default is '2.0.2')
- timeout: timeout in seconds
- skip_caps: whether to skip GetCapabilities processing on init (default is False)
- username: username for HTTP basic authentication
- password: password for HTTP basic authentication
- auth: instance of owslib.util.Authentication
"""
if auth:
if username:
auth.username = username
if password:
auth.password = password
self.url = util.clean_ows_url(url)
self.lang = lang
self.version = version
self.timeout = timeout
self.auth = auth or Authentication(username, password)
self.service = 'CSW'
self.exceptionreport = None
self.owscommon = ows.OwsCommon('1.0.0')
if not skip_caps: # process GetCapabilities
# construct request
data = {'service': self.service, 'version': self.version, 'request': 'GetCapabilities'}
self.request = urlencode(data)
self._invoke()
if self.exceptionreport is None:
self.updateSequence = self._exml.getroot().attrib.get('updateSequence')
# ServiceIdentification
val = self._exml.find(util.nspath_eval('ows:ServiceIdentification', namespaces))
if val is not None:
self.identification = ows.ServiceIdentification(val, self.owscommon.namespace)
else:
self.identification = None
# ServiceProvider
val = self._exml.find(util.nspath_eval('ows:ServiceProvider', namespaces))
if val is not None:
self.provider = ows.ServiceProvider(val, self.owscommon.namespace)
else:
self.provider = None
# ServiceOperations metadata
self.operations = []
for elem in self._exml.findall(util.nspath_eval('ows:OperationsMetadata/ows:Operation', namespaces)):
self.operations.append(ows.OperationsMetadata(elem, self.owscommon.namespace))
self.constraints = {}
for elem in self._exml.findall(util.nspath_eval('ows:OperationsMetadata/ows:Constraint', namespaces)):
self.constraints[elem.attrib['name']] = ows.Constraint(elem, self.owscommon.namespace)
self.parameters = {}
for elem in self._exml.findall(util.nspath_eval('ows:OperationsMetadata/ows:Parameter', namespaces)):
self.parameters[elem.attrib['name']] = ows.Parameter(elem, self.owscommon.namespace)
# FilterCapabilities
val = self._exml.find(util.nspath_eval('ogc:Filter_Capabilities', namespaces))
self.filters = fes.FilterCapabilities(val)
def __init__(self,
url,
lang='en-US',
version='2.0.2',
timeout=10,
skip_caps=False,
username=None,
password=None):
"""
Construct and process a GetCapabilities request
Parameters
----------
- url: the URL of the CSW
- lang: the language (default is 'en-US')
- version: version (default is '2.0.2')
- timeout: timeout in seconds
- skip_caps: whether to skip GetCapabilities processing on init (default is False)
- username: username for HTTP basic authentication
- password: password for HTTP basic authentication
"""
self.url = url
self.lang = lang
self.version = version
self.timeout = timeout
self.username = username
self.password = password
self.service = 'CSW'
self.exceptionreport = None
self.owscommon = ows.OwsCommon('1.0.0')
if not skip_caps: # process GetCapabilities
# construct request
data = {
'service': self.service,
'version': self.version,
'request': 'GetCapabilities'
}
self.request = '%s%s' % (bind_url(self.url), urlencode(data))
self._invoke()
if self.exceptionreport is None:
# ServiceIdentification
val = self._exml.find(
util.nspath_eval('ows:ServiceIdentification', namespaces))
self.identification = ows.ServiceIdentification(
val, self.owscommon.namespace)
# ServiceProvider
val = self._exml.find(
util.nspath_eval('ows:ServiceProvider', namespaces))
self.provider = ows.ServiceProvider(val,
self.owscommon.namespace)
# ServiceOperations metadata
self.operations = []
for elem in self._exml.findall(
util.nspath_eval(
'ows:OperationsMetadata/ows:Operation',
namespaces)):
self.operations.append(
ows.OperationsMetadata(elem, self.owscommon.namespace))
# FilterCapabilities
val = self._exml.find(
util.nspath_eval('ogc:Filter_Capabilities', namespaces))
self.filters = fes.FilterCapabilities(val)
