[Python-ideas] Allow with (x as y, z as w):

[Ram Rachum]

Hi,

I have a problem: I've got code that has a `with` statement with multiple
long names, so I have to break the line awkwardly using the \ character:

with some_darn_object.my_long_named_method_on_it(argument='yep') as foo, \
     a_different_darn_object.and_yet_another_method() as bar:


I tried wrapping the context managers in parentheses, but it looks like
it's not legal syntax:

  File "<stdin>", line 1

    with (some_darn_object.my_long_named_method_on_it(argument='yep') as
foo,
                                                                       ^

SyntaxError: invalid syntax


Another demonstration from the REPL:


Python 3.5.1 (v3.5.1:37a07cee5969, Dec  6 2015, 01:54:25) [MSC v.1900 64
bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.

>>> with (x as y, z as w): pass

  File "<stdin>", line 1

    with (x as y, z as w): pass

             ^

SyntaxError: invalid syntax


I wish this syntax to be legal.


Thanks,
Ram.
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