Tamarin/lib/system.py

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import tarfile, os
def extract_tar(file_path, dest_dir = "."):
print('Extracting "{:s}" to "{:s}"'.format(file_path, dest_dir))
with tarfile.open(file_path) as tar:
tar.extractall(dest_dir)
tar.close()
def which(program, additional_paths = None):
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
paths = os.environ["PATH"].split(os.pathsep);
if additional_paths != None:
paths.append(additional_paths)
for path in paths:
path = path.strip('"')
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None