def get_meta(meta_url):
"""Get metadata from *meta_url*."""
meta = meta_cache.get(meta_url)
if meta is None:
meta = ET.fromstring(read_url(meta_url))
meta_cache[meta_url] = meta
return meta
def download_and_parse(query_id, args=None):
"""Download and parse the given stored query."""
url = wfs.STORED_QUERY_URL + query_id
if args:
url = url + "&" + "&".join(args)
xml = read_url(url)
return ParseRadar(xml)
def download_and_parse(query_id, args=None):
"""Download and parse the given stored query."""
url = wfs.STORED_QUERY_URL + query_id
if args:
url = url + "&" + "&".join(args)
xml = read_url(url)
mode = query_id.split("::")[-1]
return Lightning(xml, mode)
def download_and_parse(query_id, args=None):
"""Download and parse the given stored query."""
timeseries = False
if "timeseries=True" in args:
timeseries = True
args.remove("timeseries=True")
url = wfs.STORED_QUERY_URL + query_id
if args:
url = url + "&" + "&".join(args)
xml = read_url(url)
return MultiPoint(xml, query_id, timeseries=timeseries)
def download(self):
"""Download the data."""
if self.data is None:
with tempfile.NamedTemporaryFile() as fid:
data = read_url(self.url)
if len(data) < 10e3 and "ServiceException" in str(data):
msg = "WMS returned an exception: %s" % str(data)
raise ValueError(msg)
fid.write(data)
img = rasterio.open(fid.name)
self.projection = img.crs.wkt
self.data = img.read()
self._dtype = self.data.dtype
def get_wms_layers():
"""Get WMS layer info."""
xml = read_url(WMS_BASE)
root = ET.fromstring(xml)
layers = root.findall(WMS_LAYERS)
res = dict()
for itm in layers:
layer = WMSLayer(itm)
if layer.name is not None:
res[layer.name] = layer
return res
def write_description_md(fid, query_id):
"""Write available query parameters in markdown."""
xml = ET.fromstring(read_url(wfs.BASE_URL + "DescribeStoredQueries&storedquery_id=" + query_id))
fid.write(xml.findtext(wfs.WFS_ABSTRACT).strip())
fid.write("\n\n")
fid.write("* Query ID: `%s`\n" % query_id)
fid.write("* Available arguments:\n")
params = xml.findall(wfs.WFS_PARAMETER)
for i, param in enumerate(params):
fid.write(" * %s\n" % param.attrib["name"])
param_title = param.findtext(wfs.WFS_TITLE)
fid.write(" * %s\n" % param_title)
param_abstract = param.findtext(wfs.WFS_ABSTRACT).strip()
fid.write(" * %s\n" % param_abstract)
fid.write("\n\n")
def _parse_names_and_units(xml):
type2obs = dict()
for field in xml.findall(wfs.SWE_FIELD):
typ = field.attrib["name"]
try:
url = field.attrib[wfs.LINK]
root = ET.fromstring(read_url(url))
name = root.findtext(wfs.OMOP_LABEL)
try:
units = root.find(wfs.OMOP_UOM).attrib["uom"]
except AttributeError:
units = ''
except KeyError:
name = field.findtext(wfs.SWE_LABEL)
units = field.find(wfs.SWE_UOM).attrib['code']
type2obs[typ] = dict({"name": name, "units": units})
return type2obs
def write_description(fid, query_id):
"""Write available query parameters."""
xml = ET.fromstring(read_url(wfs.BASE_URL + "DescribeStoredQueries&storedquery_id=" + query_id))
fid.write("<p>")
fid.write(xml.findtext(wfs.WFS_ABSTRACT).strip())
fid.write("</p>")
fid.write("<ul>")
fid.write("<li>Query ID: %s</li>" % query_id)
fid.write("<li>Available arguments:</li>")
fid.write("<ul>")
params = xml.findall(wfs.WFS_PARAMETER)
for i, param in enumerate(params):
fid.write("<li>%s</li>" % param.attrib["name"])
fid.write("<ul>")
param_title = param.findtext(wfs.WFS_TITLE)
fid.write("<li>%s</li>" % param_title)
param_abstract = param.findtext(wfs.WFS_ABSTRACT).strip()
fid.write("<li>%s</li>" % param_abstract)
fid.write("</ul>")
fid.write("</ul>")
fid.write("</ul>")
fid.write("</ul>")
def get_req_xml(req):
"""Get request XML for *req*."""
return read_url(BASE_URL + req)
def get_wms_cababilities():
"""Get cababilities from WMS."""
return read_url(WMS_BASE)