Skip to main content
  • Home
  • Development
  • Documentation
  • Donate
  • Operational login
  • Browse the archive

swh logo
SoftwareHeritage
Software
Heritage
Archive
Features
  • Search

  • Downloads

  • Save code now

  • Add forge now

  • Help

https://github.com/uberparagon/mgn
22 June 2021, 16:13:34 UTC
  • Code
  • Branches (5)
  • Releases (0)
  • Visits
    • Branches
    • Releases
    • HEAD
    • refs/heads/master
    • refs/tags/1.1.2
    • refs/tags/v1.0.4
    • refs/tags/v1.0.5
    • refs/tags/v1.0.9
    No releases to show
  • 7ea090b
  • /
  • strataalgebra
  • /
  • stratagraph2.py
Raw File Download
Take a new snapshot of a software origin

If the archived software origin currently browsed is not synchronized with its upstream version (for instance when new commits have been issued), you can explicitly request Software Heritage to take a new snapshot of it.

Use the form below to proceed. Once a request has been submitted and accepted, it will be processed as soon as possible. You can then check its processing state by visiting this dedicated page.
swh spinner

Processing "take a new snapshot" request ...

Permalinks

To reference or cite the objects present in the Software Heritage archive, permalinks based on SoftWare Hash IDentifiers (SWHIDs) must be used.
Select below a type of object currently browsed in order to display its associated SWHID and permalink.

  • content
  • directory
  • revision
  • snapshot
origin badgecontent badge Iframe embedding
swh:1:cnt:20b3672a55e699638cc3af5b2da606f32e4ca8eb
origin badgedirectory badge Iframe embedding
swh:1:dir:447cb5239fa3e8ccd77272cf3169cfc484a7f2c9
origin badgerevision badge
swh:1:rev:e53d6a5602585974452a7124c2a50829371e24ce
origin badgesnapshot badge
swh:1:snp:6e9d4128140ea9fc091a9d1ff362de9d8be50de2
Citations

This interface enables to generate software citations, provided that the root directory of browsed objects contains a citation.cff or codemeta.json file.
Select below a type of object currently browsed in order to generate citations for them.

  • content
  • directory
  • revision
  • snapshot
Generate software citation in BibTex format (requires biblatex-software package)
Generating citation ...
Generate software citation in BibTex format (requires biblatex-software package)
Generating citation ...
Generate software citation in BibTex format (requires biblatex-software package)
Generating citation ...
Generate software citation in BibTex format (requires biblatex-software package)
Generating citation ...
Tip revision: e53d6a5602585974452a7124c2a50829371e24ce authored by Drew Johnson on 08 September 2017, 23:12:19 UTC
fixed readme links
Tip revision: e53d6a5
stratagraph2.py
"""This file is for a a future update...."""

from sage.all import Graph, InfinitePolynomialRing, PolynomialRing

class StrataGraph2(object):
    KappaRing = InfinitePolynomialRing(ZZ, "K")
    K = KappaRing.gen()

    PsiRing = PolynomialRing(ZZ,"psi")
    psi = PsiRing.gen()


    def __init__(self, strataG):
        #make the graph

        graphU = Graph()

        for v in range(1,strataG.num_vertices()):
            G.add_vertex(v)
            for expon, coef in strataG.M[v,0].dict().items():
                if expon[0] == 1:
                    genus = coef
                else:
                    pass





        self.decorations = dict()

        dec_items = self.decorations.items()
        dec_items.sort(lambda x: x[1])

        parts = []
        prev = None
        dec_list = []

        for a in dec_items:
            if a != prev:
                dec_list.append(a[1])
                parts.append(new_part)
                new_part = [a[0]]
            else:
                new_part.append(a[0])

        self.dec_list = tuple(dec_list)

        self.graph, cert = graphUncan.canoncial_labeling(parts).copy(immutable = True)

        self.parts = tuple(( tuple([cert[i] for i in part_j].sort) for part_j in parts))

    def __eq__(self,other):
        return self.parts == other.parts and self.dec_list == other.dec_list and self.graph == other.graph

    def __hash__(self):
        return hash(self.parts, self.graph, self.dec_list)










Software Heritage — Copyright (C) 2015–2025, The Software Heritage developers. License: GNU AGPLv3+.
The source code of Software Heritage itself is available on our development forge.
The source code files archived by Software Heritage are available under their own copyright and licenses.
Terms of use: Archive access, API— Contact— JavaScript license information— Web API

back to top