109 lines
2.5 KiB
Python
109 lines
2.5 KiB
Python
import marshal
|
|
import types
|
|
from Carbon import Folder
|
|
from Carbon import Folders
|
|
|
|
class PrefObject:
|
|
|
|
def __init__(self, dict = None):
|
|
if dict == None:
|
|
self._prefsdict = {}
|
|
else:
|
|
self._prefsdict = dict
|
|
|
|
def __len__(self):
|
|
return len(self._prefsdict)
|
|
|
|
def __delattr__(self, attr):
|
|
if self._prefsdict.has_key(attr):
|
|
del self._prefsdict[attr]
|
|
else:
|
|
raise AttributeError, 'delete non-existing instance attribute'
|
|
|
|
def __getattr__(self, attr):
|
|
if attr == '__members__':
|
|
keys = self._prefsdict.keys()
|
|
keys.sort()
|
|
return keys
|
|
try:
|
|
return self._prefsdict[attr]
|
|
except KeyError:
|
|
raise AttributeError, attr
|
|
|
|
def __setattr__(self, attr, value):
|
|
if attr[0] <> '_':
|
|
self._prefsdict[attr] = value
|
|
else:
|
|
self.__dict__[attr] = value
|
|
|
|
def getprefsdict(self):
|
|
return self._prefsdict
|
|
|
|
|
|
class PrefFile(PrefObject):
|
|
|
|
def __init__(self, path, creator = 'Pyth'):
|
|
# Find the preferences folder and our prefs file, create if needed.
|
|
self.__path = path
|
|
self.__creator = creator
|
|
self._prefsdict = {}
|
|
try:
|
|
prefdict = marshal.load(open(self.__path, 'rb'))
|
|
except (IOError, ValueError):
|
|
# file not found, or currupt marshal data
|
|
pass
|
|
else:
|
|
for key, value in prefdict.items():
|
|
if type(value) == types.DictType:
|
|
self._prefsdict[key] = PrefObject(value)
|
|
else:
|
|
self._prefsdict[key] = value
|
|
|
|
def save(self):
|
|
prefdict = {}
|
|
for key, value in self._prefsdict.items():
|
|
if type(value) == types.InstanceType:
|
|
prefdict[key] = value.getprefsdict()
|
|
if not prefdict[key]:
|
|
del prefdict[key]
|
|
else:
|
|
prefdict[key] = value
|
|
marshal.dump(prefdict, open(self.__path, 'wb'))
|
|
try:
|
|
MacOS.SetCreatorAndType(self.__path, self.__creator, 'pref')
|
|
except:
|
|
pass
|
|
|
|
def __getattr__(self, attr):
|
|
if attr == '__members__':
|
|
keys = self._prefsdict.keys()
|
|
keys.sort()
|
|
return keys
|
|
try:
|
|
return self._prefsdict[attr]
|
|
except KeyError:
|
|
if attr[0] <> '_':
|
|
self._prefsdict[attr] = PrefObject()
|
|
return self._prefsdict[attr]
|
|
else:
|
|
raise AttributeError, attr
|
|
|
|
|
|
_prefscache = {}
|
|
|
|
def GetPrefs(prefname, creator = 'Pyth'):
|
|
import macostools, os
|
|
if _prefscache.has_key(prefname):
|
|
return _prefscache[prefname]
|
|
# Find the preferences folder and our prefs file, create if needed.
|
|
fsr = Folder.FSFindFolder(Folders.kOnSystemDisk, 'pref', 1)
|
|
prefsfolder = fsr.as_pathname()
|
|
path = os.path.join(prefsfolder, prefname)
|
|
head, tail = os.path.split(path)
|
|
# make sure the folder(s) exist
|
|
macostools.mkdirs(head)
|
|
|
|
preffile = PrefFile(path, creator)
|
|
_prefscache[prefname] = preffile
|
|
return preffile
|