diff options
Diffstat (limited to 'portage/util/dicts.py')
| -rw-r--r-- | portage/util/dicts.py | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/portage/util/dicts.py b/portage/util/dicts.py deleted file mode 100644 index f6ca08d..0000000 --- a/portage/util/dicts.py +++ /dev/null @@ -1,158 +0,0 @@ -# Copyright: 2005 Gentoo Foundation -# Author(s): Brian Harring (ferringb@gentoo.org) -# License: GPL2 -# $Header: /local/data/ulm/cvs/history/var/cvsroot/gentoo-src/portage/portage/util/Attic/dicts.py,v 1.2 2005/07/13 05:51:35 ferringb Exp $ - -class IndexableSequence(object): - def __init__(self, get_keys, get_values, recursive=False, returnEmpty=False, - returnIterFunc=None, modifiable=False, delfunc=None, updatefunc=None): - self.__get_keys = get_keys - self.__get_values = get_values - self.__cache = {} - self.__cache_complete = False - self.__cache_can_be_complete = not recursive and not modifiable - self.__return_empty = returnEmpty - self.__returnFunc = returnIterFunc - self._frozen = not modifiable - if not self._frozen: - self.__del_func = delfunc - self.__update_func = updatefunc - - def __getitem__(self, key): - if not (self.__cache_complete or self.__cache.has_key(key)): - self.__cache[key] = self.__get_values(key) - return self.__cache[key] - - def keys(self): - return list(self.iterkeys()) - - def __delitem__(self, key): - if self._frozen: - raise AttributeError - if not key in self: - raise KeyError(key) - return self.__del_func(key) - - def __setitem__(self, key, value): - if self._frozen: - raise AttributeError - if not key in self: - raise KeyError(key) - return self.__update_func(key, value) - - def __contains__(self, key): - try: - self[key] - return True - except KeyError: - return False - - def iterkeys(self): -# print "iterkeys called, cache-complete=",self.__cache_complete - if self.__cache_complete: - return self.__cache.keys() - return self.__gen_keys() - - def __gen_keys(self): - for key in self.__get_keys(): - if not self.__cache.has_key(key): - self.__cache[key] = self.__get_values(key) -# print "adding %s:%s" % (str(key), str(self.__cache[key])) - yield key - self.__cache_complete = self.__cache_can_be_complete - return - - def __iter__(self): - if self.__returnFunc: - for key, value in self.iteritems(): - if len(value) == 0: - if self.__return_empty: - yield key - else: - for x in value: - yield self.__returnFunc(key, x) - else: - for key, value in self.iteritems(): - if len(value) == 0: - if self.__return_empty: - yield key - else: - for x in value: - yield key+'/'+x - return - - def items(self): - return list(self.iteritems()) - - def iteritems(self): -# print "iteritems called, cache-complete=",self.__cache_complete - if self.__cache_complete: - return self.__cache.items() - return self.__gen_items() - - def __gen_items(self): - for key in self.iterkeys(): - yield key, self[key] - return - - -class LazyValDict(object): - - def __init__(self, get_keys_func, get_val_func): - self.__val_func = get_val_func - self.__keys_func = get_keys_func - self.__vals = {} - self.__keys = {} - - - def __setitem__(self): - raise AttributeError - - - def __delitem__(self): - raise AttributeError - - - def __getitem__(self, key): - if self.__keys_func != None: - map(self.__keys.setdefault, self.__keys_func()) - self.__keys_func = None - if key in self.__vals: - return self.__vals[key] - if key in self.__keys: - v = self.__vals[key] = self.__val_func(key) - del self.__keys[key] - return v - raise KeyError(key) - - - def iterkeys(self): - if self.__keys_func != None: - map(self.__keys.setdefault, self.__keys_func()) - self.__keys_func = None - for k in self.__keys.keys(): - yield k - for k in self.__vals.keys(): - yield k - - def keys(self): - return list(self.iterkeys()) - - def __contains__(self, key): - if self.__keys_func != None: - map(self.__keys.setdefault, self.__keys_func()) - self.__keys_func = None - return key in self.__keys or key in self.__vals - - __iter__ = iterkeys - has_key = __contains__ - - - def iteritems(self): - for k in self.iterkeys(): - yield k, self[k] - - - def items(self): - return list(self.iteritems()) - |