Lichen

lib/operator/augmented.py

503:644952535f7a
2017-01-23 Paul Boddie Added another, shorter test of get_using, commenting the existing test slightly.
     1 #!/usr/bin/env python     2      3 """     4 Operator support.     5      6 Copyright (C) 2010, 2013, 2015 Paul Boddie <paul@boddie.org.uk>     7      8 This program is free software; you can redistribute it and/or modify it under     9 the terms of the GNU General Public License as published by the Free Software    10 Foundation; either version 3 of the License, or (at your option) any later    11 version.    12     13 This program is distributed in the hope that it will be useful, but WITHOUT    14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS    15 FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more    16 details.    17     18 You should have received a copy of the GNU General Public License along with    19 this program.  If not, see <http://www.gnu.org/licenses/>.    20 """    21     22 from operator.core import augassign    23     24 # These functions defer method lookup by wrapping the attribute access in    25 # lambda functions. Thus, the appropriate methods are defined locally, but no    26 # attempt to obtain them is made until the generic function is called.    27     28 # NOTE: The compiler should make it possible for the following functions to call    29 # NOTE: the generic operator implementations with no additional call overhead.    30     31 # Augmented assignment functions.    32     33 def iadd(a, b):    34     return augassign(a, b, lambda a: a.__iadd__, lambda a: a.__add__, lambda b: b.__radd__)    35     36 def iand_(a, b):    37     return augassign(a, b, lambda a: a.__iand__, lambda a: a.__and__, lambda b: b.__rand__)    38     39 def idiv(a, b):    40     return augassign(a, b, lambda a: a.__idiv__, lambda a: a.__div__, lambda b: b.__rdiv__)    41     42 def ifloordiv(a, b):    43     return augassign(a, b, lambda a: a.__ifloordiv__, lambda a: a.__floordiv__, lambda b: b.__rfloordiv__)    44     45 def ilshift(a, b):    46     return augassign(a, b, lambda a: a.__ilshift__, lambda a: a.__lshift__, lambda b: b.__rlshift__)    47     48 def imod(a, b):    49     return augassign(a, b, lambda a: a.__imod__, lambda a: a.__mod__, lambda b: b.__rmod__)    50     51 def imul(a, b):    52     return augassign(a, b, lambda a: a.__imul__, lambda a: a.__mul__, lambda b: b.__rmul__)    53     54 def ior_(a, b):    55     return augassign(a, b, lambda a: a.__ior__, lambda a: a.__or__, lambda b: b.__ror__)    56     57 def ipow(a, b):    58     return augassign(a, b, lambda a: a.__ipow__, lambda a: a.__pow__, lambda b: b.__rpow__)    59     60 def irshift(a, b):    61     return augassign(a, b, lambda a: a.__irshift__, lambda a: a.__rshift__, lambda b: b.__rrshift__)    62     63 def isub(a, b):    64     return augassign(a, b, lambda a: a.__isub__, lambda a: a.__sub__, lambda b: b.__rsub__)    65     66 def ixor(a, b):    67     return augassign(a, b, lambda a: a.__ixor__, lambda a: a.__xor__, lambda b: b.__rxor__)    68     69 # vim: tabstop=4 expandtab shiftwidth=4