This document describes the current stable version of Kombu (4.0). For development docs, go here.
Source code for UserList
"""A more or less complete user-defined wrapper around list objects."""
import collections
[docs]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
[docs] def extend(self, other):
if isinstance(other, UserList):
self.data.extend(other.data)
else:
self.data.extend(other)