# Copyright (c) 2018, Oracle and/or its affiliates.

#

# The Universal Permissive License (UPL), Version 1.0

#

# Subject to the condition set forth below, permission is hereby granted to any

# person obtaining a copy of this software, associated documentation and/or data

# (collectively the "Software"), free of charge and under any and all copyright

# rights in the Software, and any and all patent rights owned or freely

# licensable by each licensor hereunder covering either (i) the unmodified

# Software as contributed to or provided by such licensor, or (ii) the Larger

# Works (as defined below), to deal in both

#

# (a) the Software, and

# (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if

# one is included with the Software (each a "Larger Work" to which the

# Software is contributed by such licensors),

#

# without restriction, including without limitation the rights to copy, create

# derivative works of, display, perform, and distribute the Software and make,

# use, sell, offer for sale, import, export, have made, and have sold the

# Software and the Larger Work(s), and to sublicense the foregoing rights on

# either these or other terms.

#

# This license is subject to the following condition:

#

# The above copyright notice and either this complete permission notice or at a

# minimum a reference to the UPL must be included in all copies or substantial

# portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

# SOFTWARE.

def update(self, *others):

for seq in others:

if not hasattr(seq, '__iter__'):

raise TypeError("'%s' object is not iterable" % seq)

iterator = seq.__iter__()

for el in iterator:

self.add(el)

def set_repr(self):

if len(self):

s = "{"

first = True

for val in self:

if first:

first = False

else:

s += ", "

s += repr(val)

s += "}"

return s

return "set()"

def frozenset_repr(self):

if len(self):

s = "frozenset({"

first = True

for val in self:

if first:

first = False

else:

s += ", "

s += repr(val)

s += "})"

return s

return "frozenset()"

def set_copy(self):

return set(self)

def frozenset_copy(self):

return frozenset(self)

set.update = update

set.__repr__ = set_repr

set.copy = set_copy

frozenset.__repr__ = frozenset_repr

frozenset.copy = frozenset_copy