in cstar/command.py [0:0]
def _search(name, listdir=os.listdir, stat=os.stat, check_is_file=_stat_is_reg):
"""Returns a the filename for a given command"""
if "/" not in name:
listing = _list(listdir, stat, check_is_file)
if name in listing:
return listing[name]
if check_is_file(stat(name)):
return name
raise FileNotFoundError("Failed to find definition for command %s" % (name,))