def test_image_not_found_withcode(self):
reqex= xcpt.ImageNotFound(self.BAD_FILE, 99)
assert reqex.error_code == 99
rdict = reqex.to_dict()
assert 'message' in rdict
assert rdict.get('message') == self.BAD_FILE
rtup = reqex.to_tuple()
assert rtup[0] == self.BAD_FILE
assert rtup[1] == 99
def image_metadata (args):
""" Return image metadata for a specific image by ID. """
uid = au.parse_id_arg(args) # get required ID or error
md = imgr.image_metadata(uid)
if (md is not None):
return jsonify(imgr.image_metadata(uid))
else:
errMsg = f"Image metadata for image ID '{uid}' not found in database"
current_app.logger.error(errMsg)
raise exceptions.ImageNotFound(errMsg)
def fetch_image_by_path (args):
""" Fetch a specific image by image path. """
ipath = au.parse_ipath_arg(args, required=True) # get required image path or error
istream = imgr.fetch_image_by_path(ipath)
if (istream is not None):
return istream
else:
errMsg = f"Image with image path '{ipath}' not found in database"
current_app.logger.error(errMsg)
raise exceptions.ImageNotFound(errMsg)
def fetch_image (args):
""" Fetch a specific image by ID. """
uid = au.parse_id_arg(args) # get required ID or error
istream = imgr.fetch_image(uid)
if (istream is not None):
return istream
else:
errMsg = f"Image with image ID '{uid}' not found in database"
current_app.logger.error(errMsg)
raise exceptions.ImageNotFound(errMsg)
def test_image_not_found(self):
reqex = xcpt.ImageNotFound(self.BAD_FILE)
print(reqex)
print(type(reqex))
assert reqex.error_code == xcpt.ImageNotFound.ERROR_CODE
rdict = reqex.to_dict()
assert 'message' in rdict
assert rdict.get('message') == self.BAD_FILE
rtup = reqex.to_tuple()
assert rtup[0] == self.BAD_FILE
assert rtup[1] == xcpt.ImageNotFound.ERROR_CODE
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 get_image_or_cutout(self, co_args, collection=None, filt=None):
"""
Return an entire image or a cutout, based on the given cutout arguments and
optional collection and filter arguments.
"""
if (co_args.get('co_size') is
None): # if no size specified, return the entire image
image_matches = self.query_coordinates(co_args,
filt=filt,
collection=collection)
if (not image_matches):
coll = f" in collection '{collection}'" if (collection) else ''
fltr = f" with filter '{filt}'" if (filt) else ''
errMsg = f"No matching image for coordinates{fltr}{coll} was found"
current_app.logger.error(errMsg)
raise exceptions.ImageNotFound(errMsg)
else: # found at least one matching image
image_path = image_matches[-1].get(
'file_path') # select last matching image
return self.return_image_at_path(
image_path) # exit and return entire image
else: # cutout size given, so make cutout
image_matches = self.query_cone(co_args,
filt=filt,
collection=collection)
if (not image_matches):
coll = f" in collection '{collection}'" if (collection) else ''
fltr = f" with filter '{filt}'" if (filt) else ''
errMsg = f"No matching image for coordinates (in cone){fltr}{coll} was found"
current_app.logger.error(errMsg)
raise exceptions.ImageNotFound(errMsg)
else: # else make, cache, and return cutout
image_path = image_matches[-1].get(
'file_path') # select last matching image
return self.get_cutout(image_path,
co_args,
filt=filt,
collection=collection)
def return_image_at_filepath(self, filepath, mimetype=FITS_MIME_TYPE):
""" Return the image file at the specified file path, giving it the specified MIME type. """
if (fits_file_exists(filepath)):
(imageDir, filename) = os.path.split(filepath)
return send_from_directory(imageDir,
filename,
mimetype=mimetype,
as_attachment=True,
attachment_filename=filename)
else:
errMsg = f"Specified image file '{filepath}' not found"
current_app.logger.error(errMsg)
raise exceptions.ImageNotFound(errMsg)
def return_cutout_with_name(self,
co_filename,
co_dir=DEFAULT_CO_CACHE_DIR,
mimetype=FITS_MIME_TYPE):
""" Return the named cutout file, giving it the specified MIME type. """
if (self.is_cutout_cached(co_filename)):
return send_from_directory(co_dir,
co_filename,
mimetype=mimetype,
as_attachment=True,
attachment_filename=co_filename)
errMsg = f"Cached image cutout file '{co_filename}' not found in cutouts cache directory"
current_app.logger.error(errMsg)
raise exceptions.ImageNotFound(errMsg)
