def test_parse_filter_arg(self):
""" No filter given and filter required. """
filt = autils.parse_filter_arg({'filter': 'XXX'}, required=True)
assert filt is not None
assert filt == 'XXX'
filt = autils.parse_filter_arg({'filter': 'shhh'}, required=True)
assert filt is not None
assert filt == 'shhh'
def query_coordinates (args):
"""
Return some metadata for images which contain the given point.
"""
co_args = au.parse_cutout_args(args) # get coordinates
collection = au.parse_collection_arg(args) # optional collection restriction
filt = au.parse_filter_arg(args) # optional filter restriction
return jsonify(imgr.query_coordinates(co_args, collection=collection, filt=filt))
def fetch_cutout_by_filter (args):
""" Make and return an image cutout for a filtered image.
The band is specified by the required 'filter' argument. """
# parse the parameters for the cutout
co_args = au.parse_cutout_args(args)
filt = au.parse_filter_arg(args, required=True) # test for required filter
collection = au.parse_collection_arg(args)
return imgr.get_image_or_cutout(co_args, filt=filt, collection=collection)
def fetch_cutout (args):
"""
Return an image cutout. if cutout size is not specified, return the entire image.
"""
# parse the parameters for the cutout
co_args = au.parse_cutout_args(args)
collection = au.parse_collection_arg(args)
filt = au.parse_filter_arg(args)
return imgr.get_image_or_cutout(co_args, filt=filt, collection=collection)
def fetch_image_by_filter (args):
""" Fetch a specific image by filter/collection. """
filt = au.parse_filter_arg(args, required=True) # get required filter or error
collection = au.parse_collection_arg(args)
istream = imgr.fetch_image_by_filter(filt, collection=collection)
if (istream is not None):
return istream
else:
coll = f"and collection '{collection}'" if (collection) else ''
errMsg = f"Image with filter '{filt}' {coll} not found in database"
current_app.logger.error(errMsg)
raise exceptions.ImageNotFound(errMsg)
def image_metadata_by_filter (args):
""" Return image metadata for all images with a specific filter/collection. """
filt = au.parse_filter_arg(args, required=True) # get required filter or error
collection = au.parse_collection_arg(args) # optional collection restriction
return jsonify(imgr.image_metadata_by_filter(filt, collection=collection))
def query_image (args):
""" List images which meet the given filter and collection criteria. """
collection = au.parse_collection_arg(args) # optional collection restriction
filt = au.parse_filter_arg(args) # optional filter restriction
return jsonify(imgr.query_image(collection=collection, filt=filt))
def test_parse_filter_arg_empty_req(self):
""" Empty filter given and filter required. """
with pytest.raises(RequestException, match=self.filt_emsg) as reqex:
autils.parse_filter_arg({'filter': ' '}, required=True)
def test_parse_filter_arg_none(self):
""" None given, but filter not required. """
filt = autils.parse_filter_arg({'filter': None})
assert filt is None
def test_parse_filter_arg_empty(self):
""" Empty filter given, but not required. """
filt = autils.parse_filter_arg({'filter': ' '})
assert filt is None
def test_parse_filter_arg_nofilt(self):
""" No filter given, but not required. """
filt = autils.parse_filter_arg({})
assert filt is None
