1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
# Python doctest file to test generation of a WPS request from input arguments.
# The specific request involves a FeatureWeightedGridStatisticsAlgorithm process over a multi-polygon feature.
from tests.utils import resource_file, compare_xml
from owslib.wps import GMLMultiPolygonFeatureCollection, WebProcessingService, WPSExecution
from owslib.etree import etree
def test_wps_request3():
# Supply process input arguments
polygon = [(-102.8184, 39.5273), (-102.8184, 37.418), (-101.2363, 37.418),
(-101.2363, 39.5273), (-102.8184, 39.5273)]
featureCollection = GMLMultiPolygonFeatureCollection([polygon])
processid = 'gov.usgs.cida.gdp.wps.algorithm.FeatureWeightedGridStatisticsAlgorithm'
inputs = [("FEATURE_ATTRIBUTE_NAME", "the_geom"),
("DATASET_URI", "dods://igsarm-cida-thredds1.er.usgs.gov:8080/thredds/dodsC/dcp/conus_grid.w_meta.ncml"),
("DATASET_ID", "ccsm3_a1b_tmax"),
("TIME_START", "1960-01-01T00:00:00.000Z"),
("TIME_END", "1960-12-31T00:00:00.000Z"),
("REQUIRE_FULL_COVERAGE", "true"),
("DELIMITER", "COMMA"),
("STATISTICS", "MEAN"),
("STATISTICS", "MINIMUM"),
("STATISTICS", "MAXIMUM"),
("STATISTICS", "WEIGHT_SUM"),
("STATISTICS", "VARIANCE"),
("STATISTICS", "STD_DEV"),
("STATISTICS", "COUNT"),
("GROUP_BY", "STATISTIC"),
("SUMMARIZE_TIMESTEP", "false"),
("SUMMARIZE_FEATURE_ATTRIBUTE", "false"),
("FEATURE_COLLECTION", featureCollection)]
output = "OUTPUT"
# build XML request for WPS process execution
execution = WPSExecution()
requestElement = execution.buildRequest(processid, inputs, output=[(output, True)])
request = etree.tostring(requestElement)
# Compare to cached XML request
_request = open(resource_file('wps_USGSExecuteRequest3.xml'), 'rb').read()
assert compare_xml(request, _request) is True
|
