-
Notifications
You must be signed in to change notification settings - Fork 0
/
zpickle.py
53 lines (41 loc) · 952 Bytes
/
zpickle.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
"""Generic object pickler and compressor
This module saves and reloads compressed representations of generic Python
objects to and from the disk.
"""
__author__ = "Bill McNeill <billmcn@speakeasy.net>"
__version__ = "1.0"
import pickle
import gzip
def save(object, filename, bin = 1):
"""Saves a compressed object to disk
"""
file = gzip.GzipFile(filename, 'wb')
file.write(pickle.dumps(object, bin))
file.close()
def load(filename):
"""Loads a compressed object from disk
"""
file = gzip.GzipFile(filename, 'rb')
buffer = ""
while 1:
data = file.read()
if data == "":
break
buffer += data
object = pickle.loads(buffer)
file.close()
return object
if __name__ == "__main__":
import sys
import os.path
class Object:
x = 7
y = "This is an object."
filename = sys.argv[1]
if os.path.isfile(filename):
o = load(filename)
print "Loaded %s" % o
else:
o = Object()
save(o, filename)
print "Saved %s" % o