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robustify UserList constructor -- will now accept any sequence

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add test cases for non-UserList class, tuple, & string
This commit is contained in:
Jeremy Hylton 2000-03-31 00:17:46 +00:00
parent 074c3e62d1
commit 6a973c7118
2 changed files with 19 additions and 5 deletions
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13
Lib/UserList.py
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@ -1,13 +1,16 @@
"""A more or less complete user-defined wrapper around list objects."""
class UserList:
def __init__(self, list=None):
def __init__(self, initlist=None):
self.data = []
if list is not None:
if type(list) == type(self.data):
self.data[:] = list
if initlist is not None:
# XXX should this accept an arbitary sequence?
if type(initlist) == type(self.data):
self.data[:] = initlist
elif isinstance(initlist, UserList):
self.data[:] = initlist.data[:]
else:
self.data[:] = list.data[:]
self.data = list(initlist)
def __repr__(self): return repr(self.data)
def __cmp__(self, other):
if isinstance(other, UserList):