[Scons-dev] SCons and octal constants

Bill Deegan bill at baddogconsulting.com
Tue Apr 29 18:33:15 EDT 2014


All,

If someone can point me to a pylint command line which should work for
scons repo, I can add it to buildbot.

-Bill


On Mon, Apr 28, 2014 at 9:04 AM, Dirk Bächle <tshortik at gmx.de> wrote:


> Hi,

>

>

> On 28.04.2014 09:19, anatoly techtonik wrote:

>

>> On Mon, Apr 28, 2014 at 8:48 AM, Russel Winder <russel at winder.org.uk>

>> wrote:

>>

>>> Since the floor version of SCons is now Python 2.7, we should dispense

>>> with the horror that is 1970s C-style octal constants and use the 0o

>>> form (*). This applies to the default/default branch just as much to the

>>> default/python3-port branch (where it is needed for SCons to run at all

>>> on Python 3).

>>>

>>> If making this change is agreed then I guess there needs to be a single

>>> changeset alteration proposed to both branches. I am assuming we do this

>>> on one branch and then cherry-pick into the other. This would imply

>>> doing it for the default/default branch and then cherry-picking into

>>> default/python3-port.

>>>

>>> Thanks.

>>>

>>> (*) The 0o form works in Python 2.6 as well.

>>>

>> Let me sum this up. To make SCons codebase more 2/3 compatible, we

>> need to use 0o777 instead of 0777.

>>

>> +1

>>

>> Do you need help preparing PR?

>> BTW, does anybody know a tool to grep Python AST for that?

>> Maybe pylint with a single rule can do all the job automatically?

>> Would be nice to see the command here for reference.

>>

>

> some while ago I had filed the issue

>

> https://bitbucket.org/logilab/astroid/issue/17/typeerror-

> due-to-definition-of-__call__

>

> , which seems to be resolved now in "astroid". I didn't have any time to

> try it out yet, but this should open the door to running the whole codebase

> through "pylint"...and also "pyreverse" for creating UML diagrams of

> classes automatically. Yummy...

>

> So pylint/astroid might indeed help with detecting all occurrences of

> octal constants.

>

> Best regards,

>

> Dirk

>

>

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