Md5 things in python

md5.py

def execute_build():
	os.chdir("./dashboard2")
	subprocess.call(["npm", "run", "build"])
	os.chdir("../")


def save_srcs_md5(md5, path):
	file = open(path, "w")
	file.write(md5)
	file.close()


def get_old_md5(path):
	old_md5 = None
	if os.path.isfile(path):
		md5_file = open(path, "r")
		old_md5 = md5_file.readline()
		md5_file.close()
	return old_md5


def create_srcs_md5():
	md5 = subprocess.check_output(
		"find ./dashboard2  -not -path '*/\.*' -type f | grep -v dashboard2/build | grep -v node_modules | xargs md5 | md5",
		shell=True)
	return md5


def create_temp_dir(file_dir):
	try:
		os.makedirs(file_dir)
	except OSError as e:
		if e.errno != errno.EEXIST:
			raise