def parse(xml) -> core.Caps:
root_el = xml2.from_string(xml, strip_ns=True)
source_layers = gws.gis.source.check_layers(
_layer(e) for e in xml2.all(root_el, 'Capability Layer'))
return core.Caps(
metadata=u.service_metadata(root_el),
operations=u.service_operations(root_el),
source_layers=source_layers,
version=xml2.attr(root_el, 'version'))
def parse(xml):
root_el = xml2.from_string(xml, strip_ns=True)
tile_matrix_sets = [
_tile_matrix_set(e)
for e in xml2.all(root_el, 'Contents TileMatrixSet')
]
tms_map = {tms.uid: tms for tms in tile_matrix_sets}
source_layers = gws.gis.source.check_layers(
_layer(e, tms_map) for e in xml2.all(root_el, 'Contents Layer'))
return Caps(tile_matrix_sets=tile_matrix_sets,
metadata=u.service_metadata(root_el),
operations=u.service_operations(root_el),
source_layers=source_layers,
version=xml2.attr(root_el, 'version'))
def _parse_svg(val):
try:
el = xml2.from_string(val)
except Exception as exc:
raise Error('parse error', val) from exc
el_clean = gws.lib.svg.sanitize_element(el)
w = xml2.attr(el_clean, 'width')
h = xml2.attr(el_clean, 'height')
if not w or not h:
raise Error('missing width or height', val)
return el_clean
def _parse(text, fallback_crs, **kwargs):
try:
xml_el = xml2.from_string(text, strip_ns=True)
except xml2.Error:
xml_el = None
if xml_el:
for fn in _XML_FORMATS:
features = fn(xml_el, fallback_crs, **kwargs)
if features is not None:
gws.log.debug(
f'parsed with {fn.__name__} count={len(features)}')
return features
# fallback for non-xml formats
for fn in _TEXT_FORMATS:
features = fn(text, fallback_crs, **kwargs)
if features is not None:
gws.log.debug(f'parsed with {fn.__name__} count={len(features)}')
return features
def handle_request(self, req: gws.IWebRequest) -> gws.ContentResponse:
rd = core.Request(req=req, project=None, service=self)
if req.method == 'GET':
return self.dispatch_request(
rd, req.param('request', default='record'))
# CSW should accept POST'ed xml, which can be wrapped in a SOAP envelope
try:
rd.xml_element = xml2.from_string(req.text)
except xml2.Error:
raise gws.base.web.error.BadRequest()
if rd.xml_element.name.lower() == 'envelope':
rd.xml_is_soap = True
try:
rd.xml_element = xml2.first(xml2.first('body'))
except Exception:
raise gws.base.web.error.BadRequest()
return self.dispatch_request(
rd, xml2.unqualify_name(rd.xml_element.name.lower()))
def parse(xml: str) -> Caps:
root_el = xml2.from_string(xml,
sort_atts=True,
strip_ns=True,
to_lower=True)
ver = root_el.attributes.get('version', '').split('-')[0]
if not ver.startswith('3'):
raise gws.Error(f'unsupported QGIS version {ver!r}')
caps = Caps(version=ver)
caps.properties = _properties(xml2.first(root_el, 'properties'))
caps.metadata = _project_meta_from_props(caps.properties)
caps.project_crs = gws.gis.crs.get(
xml2.text(root_el, 'projectCrs spatialrefsys authid'))
caps.print_templates = _layouts(root_el)
map_layers = _map_layers(root_el, caps.properties)
root_group = _map_layer_tree(xml2.first(root_el, 'layer-tree-group'),
map_layers)
caps.source_layers = gws.gis.source.check_layers(root_group.layers)
return caps
def from_fes_string(src: str) -> gws.SearchFilter:
try:
el = xml2.from_string(src)
except Exception as exc:
raise Error('invalid XML') from exc
return from_fes_element(el)