def resolveFileLocation(aClass, aInputString, aPrefixDirectoryList):
# validate the input
if not isinstance(aPrefixDirectoryList, list):
raise Exception(
"Parameter aPrefixDirectoryList needs to be a list of strings"
)
# is the input string itself a usable absolute path?
if aInputString.startswith("/") and PathUtils.check_found(
aInputString
):
return aInputString, True
# is the input string a relative path meaningful with one of the
# prefix directories prepended?
intermed_dir, file_name = PathUtils.split_path(aInputString)
for directory in aPrefixDirectoryList:
joined_path, outcome = (
FileLocator.checkNestedPath(
[directory, intermed_dir, file_name]
)
if intermed_dir is not None
else FileLocator.checkNestedPath([directory, file_name])
)
if outcome:
return joined_path, True
# the input string does not form an existing filepath
return aInputString, False
def checkNestedPath(aClass, aPathList):
#validate the input
if type(aPathList) != list:
raise Exception(
"Input to FileLocator.checkNestedPath must be a list")
if len(aPathList) < 2:
raise Exception(
"Input to FileLocator.checkNesterPath needs to be a list more than 1 item long"
)
joined_path = str(aPathList[0])
for path in aPathList[1:]:
joined_path = PathUtils.real_path(
PathUtils.append_path(joined_path, path))
#validate the joined path
if not PathUtils.check_found(joined_path):
return joined_path, False
else:
return joined_path, True