__init__.py 2.18 KB
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#! /usr/bin/env python
# -*- coding: utf-8 -*-
#
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# Copyright (C) 2021 Tiago de Paula Peixoto <tiago@skewed.de>
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#
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# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
# with this program.  If not, see <http://www.gnu.org/licenses/>.
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from .. import *

title = "Discogs artist affiliations"
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description = """Two bipartite networks of the affiliations between musical artists and either musical genres or musical \"styles,\" as given in the discogs.com database. An edge indicates that a given artist was involved in a production of a particular genre or style. The date of this snapshot is uncertain.[^icon]
[^icon]: Description obtained from the [ICON](https://icon.colorado.edu) project."""
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tags = ['Informational', 'Relatedness', 'Unweighted']
url = 'http://konect.cc/networks/discogs_genre'
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citation = [('J. Kunegis, "Discogs network dataset." KONECT (2016)', 'https://doi.org/10.1145/2487788.2488173')]
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icon_hash = '5758b60cbd3e93b53c6955be'
upstream_prefix = 'http://konect.cc/files'
files = [('download.tsv.discogs_genre.tar.bz2', None, 'konect')]

def fetch_upstream(force=False):
    return fetch_upstream_files(__name__.split(".")[-1], upstream_prefix, files,
                                force)

@cache_network()
@coerce_props()
@annotate()
def parse(alts=None):
    global files
    name = __name__.split(".")[-1]
    for fnames, alt, fmt in files:
        if alts is not None and alt not in alts:
            continue
        if isinstance(fnames, str):
            fnames = [fnames]
        with ExitStack() as stack:
            fs = [stack.enter_context(open_upstream_file(name, fn, "rb")) for fn in fnames]
            g = parse_graph(fs, fmt, directed=False)
        yield alt, g