def find_all_from_query(self, query_string):
try:
results = FileFinder.findRuns(query_string)
return ('', [self.find_from_file_path(file_path)
for file_path in results])
except RuntimeError:
return ('', [])
except ValueError as ex:
return (str(ex), [])
def find_all_from_query(self, query_string):
try:
results = FileFinder.findRuns(query_string)
return ('', [
self.find_from_file_path(file_path) for file_path in results
])
except RuntimeError:
return ('', [])
except ValueError as ex:
return (str(ex), [])
def run_file(run_number: Union[str, int],
instrument: Optional[str] = None,
oncat: Optional[bool] = True) -> Optional[None]:
r"""
@brief Test whether the file for a run number exists.
@details Search first the datasearch directories and if file is not found, use the locations
provided by ONCat
@param run_number : just the bare run number, e.g. 12345
@param instrument : if None, retrieve the default instrument from the configuration service
@param oncat : whether to use the ONCat archiving service
@returns None if file not found, otherwise absolute path to events file
"""
if isinstance(
run_number,
str): # verify run_number represents a positive integer number
try:
int(run_number)
except ValueError:
raise ValueError(f'{run_number} does not represent a number')
assert int(
run_number
) > 0, f'{run_number} does not represent an positive integer number'
if instrument is None:
instrument = config['default.instrument']
root_name = f'{instrument}_{run_number}'
# check in 'datasearch.directories'
for extension in ('.h5', '.nxs', '.nxs.h5'):
file_path = FileFinder.getFullPath(root_name + extension)
if Path(file_path).is_file():
return file_path
# check via locations provided by ONCat
if oncat:
try:
for option in FileFinder.findRuns(root_name):
if Path(option).is_file():
return option
except RuntimeError:
return None # no suggestions found
return None
