pure-python mercurial

[TK Soh]

On Wed, Mar 4, 2009 at 5:57 AM, Matt Mackall <mpm at selenic.com> wrote:
> On Wed, 2009-03-04 at 05:01 +0000, TK Soh wrote:
>> On Wed, Mar 4, 2009 at 1:34 AM, Matt Mackall <mpm at selenic.com> wrote:
>> > On Wed, 2009-03-04 at 00:59 +0000, TK Soh wrote:
>> >> I read this in the UpcomingReleaseNotes for 1.2:
>> >>
>> >>    "added pure-Python versions of C modules (leading to some basic hg
>> >> commands running on Jython)"
>> >>
>> >> I wonder it means now Mercurial can do away with C compiler during
>> >> installation. Appreciate if someone can share one this.
>> >
>> > Yes.
>>
>> How do I install a mercurial without the C modules using setup.py? I
>> don't see changes in setup.py that's geared for pure-python
>> installation. There's a changeset about adding PURE into Makefile, but
>> it's not clear to me what options to pass to setup.py for this.

Anyone can share some ideas on this?

>> > But you'll get significantly reduced performance. It's mostly
>> > interesting for running Mercurial inside virtual machines or similar
>> > hacks.
>>
>> It does simplify installation (via source) on Windows a bit. It's not
>> trivial to get the C compile environment setup in Windows.
>
> I'm gonna have to disagree with that. I posted a script just a few days
> ago that grabs all the relevant components and does the build. It does
> it inside of Wine, but that only makes it trickier. All it needs to be
> adapted to Windows is a handy wget-equivalent.
>