| @@ -85,13 +85,12 @@ All integers are implemented as "long" integer objects of arbitrary size. |
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Return a new :c:type:`PyLongObject` based on the string value in *str*, which |
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is interpreted according to the radix in *base*. If *pend* is non-*NULL*, |
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*\*pend* will point to the first character in *str* which follows the |
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- representation of the number. If *base* is ``0``, the radix will be |
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- determined based on the leading characters of *str*: if *str* starts with |
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- ``'0x'`` or ``'0X'``, radix 16 will be used; if *str* starts with ``'0o'`` or |
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- ``'0O'``, radix 8 will be used; if *str* starts with ``'0b'`` or ``'0B'``, |
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- radix 2 will be used; otherwise radix 10 will be used. If *base* is not |
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- ``0``, it must be between ``2`` and ``36``, inclusive. Leading spaces are |
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- ignored. If there are no digits, :exc:`ValueError` will be raised. |
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+ representation of the number. If *base* is ``0``, *str* is interpreted using |
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+ the :ref:`integers` definition; in this case, leading zeros in a |
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+ non-zero decimal number raises a :exc:`ValueError`. If *base* is not ``0``, |
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+ it must be between ``2`` and ``36``, inclusive. Leading spaces and single |
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+ underscores after a base specifier and between digits are ignored. If there |
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+ are no digits, :exc:`ValueError` will be raised. |
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.. c:function:: PyObject* PyLong_FromUnicode(Py_UNICODE *u, Py_ssize_t length, int base) |