Cost of "unicode(s)" where s is Unicode

[John Nagle]

Does

text = unicode(text)

make a copy of a Unicode string, or is that essentially a
free operation if the input is already Unicode?

John Nagle

 

[Rob Williscroft]

John Nagle wrote in in
comp.lang.python:

Does

text = unicode(text)

make a copy of a Unicode string, or is that essentially a
free operation if the input is already Unicode?

John Nagle

http://docs.python.org/lib/built-in-funcs.html#l2h-78

... More precisely, if object is a Unicode string or subclass it
will return that Unicode string without any additional decoding
applied.
...


Rob.

 

[Christian Heimes]

Does

text = unicode(text)

make a copy of a Unicode string, or is that essentially a
free operation if the input is already Unicode?

True

 

[Christian Heimes]

Does

text = unicode(text)

make a copy of a Unicode string, or is that essentially a
free operation if the input is already Unicode?

True

 

[JKPeck]

Does

text = unicode(text)

make a copy of a Unicode string, or is that essentially a
free operation if the input is already Unicode?

John Nagle

False

HTH,
Jon Peck

 

[Aahz]

False

You uuencode Unicode?