[Scons-dev] SCons and octal constants

[anatoly techtonik]

On Mon, Apr 28, 2014 at 7:49 PM, Russel Winder <russel at winder.org.uk> wrote:

> On Mon, 2014-04-28 at 14:26 +0300, anatoly techtonik wrote:

>> On Mon, Apr 28, 2014 at 10:52 AM, Russel Winder <russel at winder.org.uk> wrote:

>> >

>> > Actually I think it may be fairly straightforward using find, grep and

>> > emacs. Although there are quite a lot of octal constants I think it can

>> > be done fairly quickly as a single changeset.

>>

>> I am not sure how you would search for all numbers starting with 0 that

>> are not part of strings with these tools.

>>

>> \b0[1-9] ?

>

> Given the code base, I suspect:

>

>         \<0[0-7][0-7][0-7]\>

>

> will catch a great deal of them, with some false positives due to

> timezones in ISO 8601 date-times; at least a start.


IMHO this is a start to nowhere. octals are not limited to file masks,
more than that - we need the recipe for users to help the port their
SConstruct files to Python 3.

So, a 2to3 reversing or an astroid solution would be a proper hack
worthy of engineering degree. =)