def get_dataset(filename):
"""
Returns the full file path to an auxiliary dataset needed by
ctapipe, given the dataset's full name (filename with no directory).
This will first search for the file in directories listed in
tne environment variable CTAPIPE_SVC_PATH (if set), and if not found,
will look in the ctapipe_resources module
(installed with the ctapipe-extra package), which contains the defaults.
Parameters
----------
filename: str
name of dataset to fetch
Returns
-------
string with full path to the given dataset
"""
searchpath = os.getenv("CTAPIPE_SVC_PATH")
if searchpath:
filepath = find_in_path(filename=filename, searchpath=searchpath)
if filepath:
return filepath
logger.debug("Resource '{}' not found in CTAPIPE_SVC_PATH, looking in "
"ctapipe_resources...".format(filename))
return ctapipe_resources.get(filename)
def get_dataset(filename):
"""
Returns the full file path to an auxiliary dataset needed by
ctapipe, given the dataset's full name (filename with no directory).
This will first search for the file in directories listed in
tne environment variable CTAPIPE_SVC_PATH (if set), and if not found,
will look in the ctapipe_resources module
(installed with the ctapipe-extra package), which contains the defaults.
Parameters
----------
filename: str
name of dataset to fetch
Returns
-------
string with full path to the given dataset
"""
searchpath = os.getenv("CTAPIPE_SVC_PATH")
if searchpath:
filepath = find_in_path(filename=filename, searchpath=searchpath)
if filepath:
return filepath
logger.debug("Resource '{}' not found in CTAPIPE_SVC_PATH, looking in "
"ctapipe_resources...".format(filename))
return ctapipe_resources.get(filename)
def get_dataset_path(filename, url=DEFAULT_URL):
"""
Returns the full file path to an auxiliary dataset needed by
ctapipe, given the dataset's full name (filename with no directory).
This will first search for the file in directories listed in
tne environment variable CTAPIPE_SVC_PATH (if set), and if not found,
will look in the ctapipe_resources module
(if installed with the ctapipe-extra package), which contains the defaults.
Parameters
----------
filename: str
name of dataset to fetch
Returns
-------
string with full path to the given dataset
"""
searchpath = os.getenv("CTAPIPE_SVC_PATH")
if searchpath:
filepath = find_in_path(filename=filename, searchpath=searchpath, url=url)
if filepath:
return filepath
if has_resources:
logger.debug(
"Resource '{}' not found in CTAPIPE_SVC_PATH, looking in "
"ctapipe_resources...".format(filename)
)
return Path(ctapipe_resources.get(filename))
# last, try downloading the data
try:
return download_file_cached(filename, default_url=url, progress=True)
except HTTPError as e:
# let 404 raise the FileNotFoundError instead of HTTPError
if e.response.status_code != 404:
raise
raise FileNotFoundError(
f"Couldn't find resource: '{filename}',"
" You might want to install ctapipe_resources"
)
