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Operator Interface
This module exports a set of functions corresponding to the intrinsic
operators of Python. For example, operator.add(x, y) is equivalent
to the expression x+y. The function names are those used for special
methods; variants without leading and trailing '__' are also provided
for convenience.
This is the pure Python implementation of the module.
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/ s c C s | S )zSame as not a.r8 r: r8 r8 r< r- 5 s c C s | rdS dS )z*Return True if a is true, False otherwise.TFr8 r= r8 r8 r< r5 9 s c C s | |kS )zSame as a is b.r8 r9 r8 r8 r< r = s c C s | |k S )zSame as a is not b.r8 r9 r8 r8 r< r A s c C s t | S )zSame as abs(a).)_absr= r8 r8 r< r G s c C s | | S )zSame as a + b.r8 r9 r8 r8 r< r K s c C s | |@ S )zSame as a & b.r8 r9 r8 r8 r< r O s c C s | | S )zSame as a // b.r8 r9 r8 r8 r< r
S s c C s | S )zSame as a.__index__().) __index__r= r8 r8 r< r W s c C s | S )z Same as ~a.r8 r= r8 r8 r< r [ s c C s | |> S )zSame as a << b.r8 r9 r8 r8 r< r% ` s c C s | | S )zSame as a % b.r8 r9 r8 r8 r< r) d s c C s | | S )zSame as a * b.r8 r9 r8 r8 r< r* h s c C s | | S )zSame as a @ b.r8 r9 r8 r8 r< r' l s c C s | S )z Same as -a.r8 r= r8 r8 r< r, p s c C s | |B S )zSame as a | b.r8 r9 r8 r8 r< r. t s c C s |
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c C s || kS )z(Same as b in a (note reversed operands).r8 r9 r8 r8 r< r s c C s" d}| D ]}||kr|d7 }q|S )z)Return the number of times b occurs in a.r7 r8 )r: r; countir8 r8 r< r s
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Return an estimate of the number of items in obj.
This is useful for presizing containers when building from an iterable.
If the object supports len(), the result will be exact. Otherwise, it may
over- or under-estimate by an arbitrary amount. The result will be an
integer >= 0.
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Return a callable object that fetches the given attribute(s) from its operand.
After f = attrgetter('name'), the call f(r) returns r.name.
After g = attrgetter('name', 'date'), the call g(r) returns (r.name, r.date).
After h = attrgetter('name.first', 'name.last'), the call h(r) returns
(r.name.first, r.name.last).
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| |S r\ rZ rk rV r8 r8 r< __call__ s zattrgetter.__call__c C s$ d| j j| j jdtt| jf S N %s.%s(%s), ) __class__
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Return a callable object that fetches the given item(s) from its operand.
After f = itemgetter(2), the call f(r) returns r[2].
After g = itemgetter(2, 5, 3), the call g(r) returns (r[2], r[5], r[3])
_itemsrZ c sF s f| _ fdd}|| _n" f | _ fdd}|| _d S )Nc s | S r\ r8 rc )itemr8 r< r` s z!itemgetter.__init__..funcc s t fddD S )Nc 3 s | ]} | V qd S r\ r8 )ra rK rc r8 r< rd s z4itemgetter.__init__..func..re rc )itemsrc r< r` s r )rk r r r` r8 )r r r< rm s zitemgetter.__init__c C s
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Return a callable object that calls the given method on its operand.
After f = methodcaller('name'), the call f(r) returns r.name().
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r.name('date', foo=1).
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c C s | | } | S )zSame as a //= b.r8 r9 r8 r8 r< r _ s c C s | |K } | S )zSame as a <<= b.r8 r9 r8 r8 r< r d s c C s | |; } | S )zSame as a %= b.r8 r9 r8 r8 r< r i s c C s | |9 } | S )zSame as a *= b.r8 r9 r8 r8 r< r n s c C s | | } | S )zSame as a @= b.r8 r9 r8 r8 r< r s s c C s | |O } | S )zSame as a |= b.r8 r9 r8 r8 r< r x s c C s | |C } | S )zSame as a **= b.r8 r9 r8 r8 r< r } s c C s | |L } | S )zSame as a >>= b.r8 r9 r8 r8 r< r s c C s | |8 } | S )zSame as a -= b.r8 r9 r8 r8 r< r s c C s | | } | S )zSame as a /= b.r8 r9 r8 r8 r< r! s c C s | |N } | S )zSame as a ^= b.r8 r9 r8 r8 r< r" s )*)r} N)r7 )ir} __all__builtinsr r> r& r# r r+ r r
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r r r r% r) r* r' r, r. r/ r0 r1 r3 r4 r6 r r r r r r r2 r$ r r r( r r r r r r r r r r r r r! r" _operator ImportError__lt____le____eq____ne____ge____gt____not____abs____add____and__ __floordiv__r? __inv__
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__rshift____sub__ __truediv____xor__
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