/usr/lib/python2.7/dist-packages/zope/interface/common/sequence.py is in python-zope.interface 4.1.3-1build1.
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#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Sequence Interfaces
"""
__docformat__ = 'restructuredtext'
from zope.interface import Interface
class IMinimalSequence(Interface):
"""Most basic sequence interface.
All sequences are iterable. This requires at least one of the
following:
- a `__getitem__()` method that takes a single argument; interger
values starting at 0 must be supported, and `IndexError` should
be raised for the first index for which there is no value, or
- an `__iter__()` method that returns an iterator as defined in
the Python documentation (http://docs.python.org/lib/typeiter.html).
"""
def __getitem__(index):
"""`x.__getitem__(index)` <==> `x[index]`
Declaring this interface does not specify whether `__getitem__`
supports slice objects."""
class IFiniteSequence(IMinimalSequence):
def __len__():
"""`x.__len__()` <==> `len(x)`"""
class IReadSequence(IFiniteSequence):
"""read interface shared by tuple and list"""
def __contains__(item):
"""`x.__contains__(item)` <==> `item in x`"""
def __lt__(other):
"""`x.__lt__(other)` <==> `x < other`"""
def __le__(other):
"""`x.__le__(other)` <==> `x <= other`"""
def __eq__(other):
"""`x.__eq__(other)` <==> `x == other`"""
def __ne__(other):
"""`x.__ne__(other)` <==> `x != other`"""
def __gt__(other):
"""`x.__gt__(other)` <==> `x > other`"""
def __ge__(other):
"""`x.__ge__(other)` <==> `x >= other`"""
def __add__(other):
"""`x.__add__(other)` <==> `x + other`"""
def __mul__(n):
"""`x.__mul__(n)` <==> `x * n`"""
def __rmul__(n):
"""`x.__rmul__(n)` <==> `n * x`"""
def __getslice__(i, j):
"""`x.__getslice__(i, j)` <==> `x[i:j]`
Use of negative indices is not supported.
Deprecated since Python 2.0 but still a part of `UserList`.
"""
class IExtendedReadSequence(IReadSequence):
"""Full read interface for lists"""
def count(item):
"""Return number of occurrences of value"""
def index(item, *args):
"""Return first index of value
`L.index(value, [start, [stop]])` -> integer"""
class IUniqueMemberWriteSequence(Interface):
"""The write contract for a sequence that may enforce unique members"""
def __setitem__(index, item):
"""`x.__setitem__(index, item)` <==> `x[index] = item`
Declaring this interface does not specify whether `__setitem__`
supports slice objects.
"""
def __delitem__(index):
"""`x.__delitem__(index)` <==> `del x[index]`
Declaring this interface does not specify whether `__delitem__`
supports slice objects.
"""
def __setslice__(i, j, other):
"""`x.__setslice__(i, j, other)` <==> `x[i:j]=other`
Use of negative indices is not supported.
Deprecated since Python 2.0 but still a part of `UserList`.
"""
def __delslice__(i, j):
"""`x.__delslice__(i, j)` <==> `del x[i:j]`
Use of negative indices is not supported.
Deprecated since Python 2.0 but still a part of `UserList`.
"""
def __iadd__(y):
"""`x.__iadd__(y)` <==> `x += y`"""
def append(item):
"""Append item to end"""
def insert(index, item):
"""Insert item before index"""
def pop(index=-1):
"""Remove and return item at index (default last)"""
def remove(item):
"""Remove first occurrence of value"""
def reverse():
"""Reverse *IN PLACE*"""
def sort(cmpfunc=None):
"""Stable sort *IN PLACE*; `cmpfunc(x, y)` -> -1, 0, 1"""
def extend(iterable):
"""Extend list by appending elements from the iterable"""
class IWriteSequence(IUniqueMemberWriteSequence):
"""Full write contract for sequences"""
def __imul__(n):
"""`x.__imul__(n)` <==> `x *= n`"""
class ISequence(IReadSequence, IWriteSequence):
"""Full sequence contract"""
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