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"""\
This file contains function useful for storing and retriving config.
"""
import sys
import os
import os.path
try:
import cPickle as pickle
except ImportError:
import pickle
def configpath():
"""\
Figures out where to save the preferences.
"""
dirs = [("APPDATA", "Thousand Parsec"), ("HOME", ".tp"), (".", "var")]
for base, extra in dirs:
if base in os.environ:
base = os.environ[base]
elif base != ".":
continue
rc = os.path.join(base, extra)
if not os.path.exists(rc):
os.mkdir(rc)
return rc
def load_data(file):
"""\
Loads preference data from a file.
"""
try:
f = open(os.path.join(configpath(), file), "r")
data = pickle.load(f)
except IOError:
return None
return data
def save_data(file, data):
"""\
Saves preference data to a file.
"""
f = open(os.path.join(configpath(), file), "w")
pickle.dump(data, f)
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