Add twitter_15m

entries/twitter_15m/__init__.py

+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2020 Tiago de Paula Peixoto <tiago@skewed.de>
+#
+# 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.
+#
+# 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.
+#
+# 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/>.
+
+from .. import *
+
+title = "Twitter 15-M movement (2011)"
+description = """A network representing follower-following relations among Twitter users associated with the 15-M Movement or Anti-austerity movement in Spain, in the period April-May 2011. Metadata include hashtags in the tweets.[^icon]
+[^icon]: Description obtained from the [ICON](https://icon.colorado.edu) project."""
+tags = ['Social', 'Online', 'Unweighted', 'Metadata']
+url = 'http://www.plexmath.eu/?page_id=320'
+citation = [('S. González-Bailón, et al. "The dynamics of protest recruitment through an online network." Scientific Reports 1, 197 (2011)', 'https://www.nature.com/articles/srep00197')]
+icon_hash = '595a92c44ed8f1bb6022ef56'
+ustream_license = None
+upstream_prefix = 'http://cosnet.bifi.es/wp-content/uploads//2013/03'
+files = [('15m.zip:15m/15m_follower.net', None, 'pajek')]
+
+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=True)
+        yield alt, g