diff options
Diffstat (limited to 'lib/python2.7/UserList.py')
-rw-r--r-- | lib/python2.7/UserList.py | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/lib/python2.7/UserList.py b/lib/python2.7/UserList.py new file mode 100644 index 0000000..b445985 --- /dev/null +++ b/lib/python2.7/UserList.py @@ -0,0 +1,88 @@ +"""A more or less complete user-defined wrapper around list objects.""" + +import collections + +class UserList(collections.MutableSequence): + def __init__(self, initlist=None): + self.data = [] + if initlist is not None: + # XXX should this accept an arbitrary sequence? + if type(initlist) == type(self.data): + self.data[:] = initlist + elif isinstance(initlist, UserList): + self.data[:] = initlist.data[:] + else: + self.data = list(initlist) + def __repr__(self): return repr(self.data) + def __lt__(self, other): return self.data < self.__cast(other) + def __le__(self, other): return self.data <= self.__cast(other) + def __eq__(self, other): return self.data == self.__cast(other) + def __ne__(self, other): return self.data != self.__cast(other) + def __gt__(self, other): return self.data > self.__cast(other) + def __ge__(self, other): return self.data >= self.__cast(other) + def __cast(self, other): + if isinstance(other, UserList): return other.data + else: return other + def __cmp__(self, other): + return cmp(self.data, self.__cast(other)) + __hash__ = None # Mutable sequence, so not hashable + def __contains__(self, item): return item in self.data + def __len__(self): return len(self.data) + def __getitem__(self, i): return self.data[i] + def __setitem__(self, i, item): self.data[i] = item + def __delitem__(self, i): del self.data[i] + def __getslice__(self, i, j): + i = max(i, 0); j = max(j, 0) + return self.__class__(self.data[i:j]) + def __setslice__(self, i, j, other): + i = max(i, 0); j = max(j, 0) + if isinstance(other, UserList): + self.data[i:j] = other.data + elif isinstance(other, type(self.data)): + self.data[i:j] = other + else: + self.data[i:j] = list(other) + def __delslice__(self, i, j): + i = max(i, 0); j = max(j, 0) + del self.data[i:j] + def __add__(self, other): + if isinstance(other, UserList): + return self.__class__(self.data + other.data) + elif isinstance(other, type(self.data)): + return self.__class__(self.data + other) + else: + return self.__class__(self.data + list(other)) + def __radd__(self, other): + if isinstance(other, UserList): + return self.__class__(other.data + self.data) + elif isinstance(other, type(self.data)): + return self.__class__(other + self.data) + else: + return self.__class__(list(other) + self.data) + def __iadd__(self, other): + if isinstance(other, UserList): + self.data += other.data + elif isinstance(other, type(self.data)): + self.data += other + else: + self.data += list(other) + return self + def __mul__(self, n): + return self.__class__(self.data*n) + __rmul__ = __mul__ + def __imul__(self, n): + self.data *= n + return self + def append(self, item): self.data.append(item) + def insert(self, i, item): self.data.insert(i, item) + def pop(self, i=-1): return self.data.pop(i) + def remove(self, item): self.data.remove(item) + def count(self, item): return self.data.count(item) + def index(self, item, *args): return self.data.index(item, *args) + def reverse(self): self.data.reverse() + def sort(self, *args, **kwds): self.data.sort(*args, **kwds) + def extend(self, other): + if isinstance(other, UserList): + self.data.extend(other.data) + else: + self.data.extend(other) |