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Diffstat (limited to 'Doc/reference/datamodel.rst')
| -rw-r--r-- | Doc/reference/datamodel.rst | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst index d01b1f2..a93c09a 100644 --- a/Doc/reference/datamodel.rst +++ b/Doc/reference/datamodel.rst @@ -276,16 +276,16 @@ Sequences single: integer single: Unicode - The items of a string object are Unicode code units. A Unicode code - unit is represented by a string object of one item and can hold either - a 16-bit or 32-bit value representing a Unicode ordinal (the maximum - value for the ordinal is given in ``sys.maxunicode``, and depends on - how Python is configured at compile time). Surrogate pairs may be - present in the Unicode object, and will be reported as two separate - items. The built-in functions :func:`chr` and :func:`ord` convert - between code units and nonnegative integers representing the Unicode - ordinals as defined in the Unicode Standard 3.0. Conversion from and to - other encodings are possible through the string method :meth:`encode`. + A string is a sequence of values that represent Unicode codepoints. + All the codepoints in range ``U+0000 - U+10FFFF`` can be represented + in a string. Python doesn't have a :c:type:`chr` type, and + every character in the string is represented as a string object + with length ``1``. The built-in function :func:`ord` converts a + character to its codepoint (as an integer); :func:`chr` converts + an integer in range ``0 - 10FFFF`` to the corresponding character. + :meth:`str.encode` can be used to convert a :class:`str` to + :class:`bytes` using the given encoding, and :meth:`bytes.decode` can + be used to achieve the opposite. Tuples .. index:: @@ -1351,7 +1351,8 @@ access (use of, assignment to, or deletion of ``x.name``) for class instances. .. method:: object.__dir__(self) - Called when :func:`dir` is called on the object. A list must be returned. + Called when :func:`dir` is called on the object. A sequence must be + returned. :func:`dir` converts the returned sequence to a list and sorts it. .. _descriptors: |