def get_test_query_results():
"""
Convenience function to quickly get a testing result set.
This is useful when demonstrating via an interactive IPython shell, etc.
"""
gbdx = get_session()
qry = GBDXQuery(TEST_AOI)
res = qry(gbdx)
return res
def main():
#get gbdx session object
session = gbdx.get_session()
#construct a query object, to search the catalog for
# images that intersect a given AOI and were created
# between start and end dates.
date_range = ('2013-01-15', '2015-01-01')
qry = gbdx.GBDXQuery(gbdx.TEST_AOI, date_range=date_range,
platform_name=gbdx.DG_SENSOR_WV2,
max_cloud_cover=5, max_off_nadir_angle=15)
#execute the query. The results will be a GBDXQueryResult object
print("-"*40)
time1 = time.time()
res = qry(session)
time2 = time.time()
print("Query executed in {} seconds".format(time2-time1))
#note that query results are cached for (default) 300 sec,
# so if I call this query again immediately, it should use
# the remembered results.
time1 = time.time()
_res2 = qry(session) #no reason to do this here, other than show caching behavior
time2 = time.time()
print("On 2nd attempt, query returned cached results in {} seconds".format(time2-time1))
print("-"*40)
print res
print("-"*40)
#the list of all catalog ids in result set
cat_ids = res.list_IDs()
#get the pan resolution for the first few cat_ids
resolutions = [ (cid,res.get_property_from_id(cid,"panResolution")) for
cid in cat_ids[0:5]]
for (cid,pan_res) in resolutions:
print("Image: {}, Pan resolution: {}".format(cid, pan_res))
print("-"*40)
print("The 3rd record is:")
pprint.pprint(res[2])
print("-"*40)
def test_2_expired_token(self):
print("\nTesting getting gbdx session with saved expired token")
#TODO: We need to get a 'valid' already-expired token, and save
# the token data into TEST_CFG_FILE in order for this test to do
# anything...
sess = get_session(TEST_CFG_FILE)
def test_1_get_session(self):
print("\nTesting getting gbdx session object.")
sess = get_session()
self.assertIsNotNone(sess, "Unable to get a gbdx session object.")
def setUp(self):
self.sess = gbdx.get_session()
