Cool, and then you can call Poset(digraph_spkg()).
On Tuesday, January 29, 2019 at 12:56:07 PM UTC-8, Frédéric Chapoton wrote:
>
> Quick tentative, not smooth:
>
> from sage.misc.package import *
>
>
>
>
> def digraph_spkg():
> """
> digraph
> """
> opts = {}
>
>
> local = opts.pop('local', False)
> ignore_URLError = opts.pop('ignore_URLError', False)
> exclude_pip = opts.pop('exclude_pip', False)
> if opts:
> raise ValueError("{} are not valid options".format(sorted(opts)))
>
>
> installed = installed_packages(exclude_pip)
>
>
> pkgs = {}
>
>
> for p in os.listdir(SAGE_PKGS):
> try:
> f = open(os.path.join(SAGE_PKGS, p, "dependencies"))
> except IOError:
> # Probably an empty directory => ignore
> continue
>
>
> with f:
> deps = f.read().splitlines()[0].strip()
>
>
> if 'no dependencies' in deps:
> continue
> if 'not a real package' in deps:
> continue
>
> pkgs[p] = [u for u in deps.split() if u != "|" ]
>
>
> return DiGraph(pkgs)
>
>
>
>
> Le mardi 29 janvier 2019 19:45:07 UTC+1, Dima Pasechnik a écrit :
>>
>> Has anyone written code to compute it?
>> (and create a Sage graph out of it, maybe)
>>
>
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