def _getWCSMetadata(self, wcs, layer):
oldProxy = proxyFix(wcs.url)
try:
layerMetadata = wcs[layer]
bboxLimits = ",".join([str(x) for x in layerMetadata.boundingBoxWGS84])
timepositions = layerMetadata.timepositions
supportedFormats = layerMetadata.supportedFormats
supportedCRS = layerMetadata.supportedCRS
finally:
resetProxy(oldProxy)
return layerMetadata, bboxLimits, timepositions, supportedFormats, supportedCRS
def _getWCSObj(self, endpoint):
oldProxy = proxyFix(endpoint)
try:
log.debug("wcs endpoint = %s" % (endpoint,))
getCapabilitiesEndpoint = parseEndpointString(endpoint, {"Service": "WCS", "Request": "GetCapabilities"})
log.debug("wcs endpoint = %s" % (getCapabilitiesEndpoint,))
# requires OWSLib with cookie support
wcs = WebCoverageService(
getCapabilitiesEndpoint, version="1.0.0", cookies=request.headers.get("Cookie", "")
)
layers = [x[0] for x in wcs.items()]
finally:
resetProxy(oldProxy)
return wcs, layers
log.debug("Checking for value for dimension %s" % dimensionName)
if dimensionName in params:
args[dimensionName] = params[dimensionName]
log.debug("Found value %s" % params[dimensionName])
log.debug("args = %s" % (args,))
# Perform the GetCoverage request.
oldProxy = proxyFix(endpoint)
try:
output = wcs.getCoverage(**args)
except Exception, e:
log.exception("Exception occurred")
raise
finally:
resetProxy(oldProxy)
# Retrieve the content disposition and type headers.
responseHeaders = {}
for k in output.headers.keys():
v = output.headers[k]
log.debug("Header %s=%s" % (k, v))
if k.lower() == "content-disposition":
responseHeaders["Content-Disposition"] = v
match = CONTENT_FILENAME_REGEX.search(v)
try:
responseHeaders["filename"] = match.group("filename")
except IndexError:
pass
elif k.lower() == "content-type":
