Lawrence Oluyede wrote:
> Steven D'Aprano <[EMAIL PROTECTED]> wrote:
>> Is there any general mechanism?
>
> I'd just use the expected future feature and if the result is not what I
> expect (or Python raises any kind of exception, like using a keyword not
> present) I'd think I'm in the past :-)
>
Of course if the use of the feature creates a syntax error in the
__main__ module (as it might currently for a use of the "with" keyword
in 2.5, for example) then there is no way to catch the exception and you
are therefore SOL, no?
[EMAIL PROTECTED] ~/Projects/Python
$ cat test11.py
with open("myfile.txt") as f:
print l for l in f
[EMAIL PROTECTED] ~/Projects/Python
$ python test11.py
test11.py:1: Warning: 'with' will become a reserved keyword in Python 2.6
File "test11.py", line 1
with open("myfile.txt") as f:
^
SyntaxError: invalid syntax
regards
Steve
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