Wanted: Python solution for ordering dependencies
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From: Jonathan Fine on 24 Apr 2010 16:53 Hi I'm hoping to avoid reinventing a wheel (or other rolling device). I've got a number of dependencies and, if possible, I want to order them so that each item has its dependencies met before it is processed. I think I could get what I want by writing and running a suitable makefile, but that seems to be such a kludge. Does anyone know of an easily available Python solution? -- Jonathan
From: Chris Rebert on 24 Apr 2010 16:59 On Sat, Apr 24, 2010 at 1:53 PM, Jonathan Fine <jfine(a)pytex.org> wrote: > Hi > > I'm hoping to avoid reinventing a wheel (or other rolling device). Â I've got > a number of dependencies and, if possible, I want to order them so that each > item has its dependencies met before it is processed. > > I think I could get what I want by writing and running a suitable makefile, > but that seems to be such a kludge. > > Does anyone know of an easily available Python solution? http://pypi.python.org/pypi/topsort/0.9 http://www.bitformation.com/art/python_toposort.html Cheers, Chris -- http://blog.rebertia.com
From: Aahz on 24 Apr 2010 20:16 In article <U_idnaxONvb9x07WnZ2dnUVZ8kmdnZ2d(a)brightview.co.uk>, Jonathan Fine <jfine(a)pytex.org> wrote: > >I'm hoping to avoid reinventing a wheel (or other rolling device). I've >got a number of dependencies and, if possible, I want to order them so >that each item has its dependencies met before it is processed. > >I think I could get what I want by writing and running a suitable >makefile, but that seems to be such a kludge. scons? -- Aahz (aahz(a)pythoncraft.com) <*> http://www.pythoncraft.com/ "It is easier to optimize correct code than to correct optimized code." --Bill Harlan
From: Jonathan Fine on 25 Apr 2010 05:10 Chris Rebert wrote: > On Sat, Apr 24, 2010 at 1:53 PM, Jonathan Fine <jfine(a)pytex.org> wrote: >> Hi >> >> I'm hoping to avoid reinventing a wheel (or other rolling device). I've got >> a number of dependencies and, if possible, I want to order them so that each >> item has its dependencies met before it is processed. >> >> I think I could get what I want by writing and running a suitable makefile, >> but that seems to be such a kludge. >> >> Does anyone know of an easily available Python solution? > > http://pypi.python.org/pypi/topsort/0.9 > http://www.bitformation.com/art/python_toposort.html Thanks Chris. Most helpful. I think I'll use that code (which will save me at least half a day, and that for a solution that wouldn't be linear time). -- Jonathan
From: Jonathan Fine on 25 Apr 2010 07:46
Aahz wrote: > In article <U_idnaxONvb9x07WnZ2dnUVZ8kmdnZ2d(a)brightview.co.uk>, > Jonathan Fine <jfine(a)pytex.org> wrote: >> I'm hoping to avoid reinventing a wheel (or other rolling device). I've >> got a number of dependencies and, if possible, I want to order them so >> that each item has its dependencies met before it is processed. >> >> I think I could get what I want by writing and running a suitable >> makefile, but that seems to be such a kludge. > > scons? Thanks for the pointer. Looks interesting, but it may be a bit heavyweight for what I need. -- Jonathan |