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Re: Python #ifdef

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Date Thu, 30 May 2013 01:05:35 +1000
Subject Re: Python #ifdef
From Chris Angelico <rosuav@gmail.com>
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On Thu, May 30, 2013 at 12:55 AM, Grant Edwards <invalid@invalid.invalid> wrote:
> On 2013-05-29, Dan Stromberg <drsalists@gmail.com> wrote:
>
>> And in case you still want a preprocessor for Python (you likely don't need
>> one this time), here's an example of doing this using the venerable m4:
>> https://pypi.python.org/pypi/red-black-tree-mod .  Note the many comments
>> added to keep line numbers consistent.
>
> I was wondering whether or not to mention m4.  Since m4 is (in my
> mind) inextricably linked to RATFOR and sendmail config files I try
> to avoid thinking about it lest the flashbacks start again...

It's not a bad tool. I used it as a sort of PHP preprocessor, because
requirements at work had me wanting to have a source file defining a
PHP class and having an autogenerated section in the middle of that
class. PHP's 'include' directive doesn't work for that. Of course, had
we been using a better language, that wouldn't have been an issue (and
it stopped being an issue when we improved the design and stopped
using that class system, too, though I retained the makefile
directives about building .php.m4 -> .php files). But still, GNU M4 is
a decent piece of technology.

ChrisA

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Thread

Re: Python #ifdef Dan Stromberg <drsalists@gmail.com> - 2013-05-28 18:23 -0700
  Re: Python #ifdef Grant Edwards <invalid@invalid.invalid> - 2013-05-29 14:55 +0000
    Re: Python #ifdef Chris Angelico <rosuav@gmail.com> - 2013-05-30 01:05 +1000
      Re: Python #ifdef Grant Edwards <invalid@invalid.invalid> - 2013-05-29 15:25 +0000
      Re: Python #ifdef Erik Max Francis <max@alcyone.com> - 2013-06-02 16:57 -0700
        Re: Python #ifdef Roy Smith <roy@panix.com> - 2013-06-02 20:23 -0400
        Re: Python #ifdef Skip Montanaro <skip.montanaro@gmail.com> - 2013-06-02 19:29 -0500
        Re: Python #ifdef Chris Angelico <rosuav@gmail.com> - 2013-06-03 12:05 +1000

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