read pickle file, python

pickleapi.py

import pickle
from server.modules.logging.logger import log_error

def read_file(filename):
	# file = 'static/data/pickle/r_data_20.pkl'
	file = filename
	data = None
	with (open(file, "rb")) as openfile:
		data = pickle.load(openfile)

	if data is None:
		print "data is not read"
		return None

	print "database file read."
	return  data


# storing data in a file
def export_file(filename, data):
	# filename = 'static/data/pickle/r_data_' + str(data[0]) + '.pkl'
	print 'in export_file'
	try:
		filename = filename.encode('utf-8') #encode because maybe mongodb returns u'abcdef' string
		pickle_out = open(filename, 'w+')
		pickle.dump(data, pickle_out, pickle.HIGHEST_PROTOCOL)
		pickle_out.close()
		print "Data stored in pickle file: {}".format(filename)
		return 1
	except Exception as err:
		print 'Error storing file'
		log_error(err)
		return -1

test.py

from pickleapi import read_file
data = read_file("static/data/pickle/r_data_20.pkl")