308 lines
9.0 KiB
Python
308 lines
9.0 KiB
Python
# # This file is part of the NetworkX distribution.
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# NetworkX is distributed with the 3-clause BSD license.
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# ::
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# Copyright (C) 2004-2022, NetworkX Developers
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# Aric Hagberg <hagberg@lanl.gov>
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# Dan Schult <dschult@colgate.edu>
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# Pieter Swart <swart@lanl.gov>
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# All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of the NetworkX Developers nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""
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Pajek tests
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"""
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import easygraph as eg
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print(eg)
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import os
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import tempfile
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from easygraph.utils import edges_equal
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from easygraph.utils import nodes_equal
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# from rich import print
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test_parse_pajek_edges = [
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(
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"A1",
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"A1",
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0,
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{
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"weight": 1.0,
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"h2": "0",
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"w": "3",
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"c": "Blue",
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"s": "3",
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"a1": "-130",
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"k1": "0.6",
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"a2": "-130",
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"k2": "0.6",
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"ap": "0.5",
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"l": "Bezier loop",
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"lc": "BlueViolet",
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"fos": "20",
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"lr": "58",
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"lp": "0.3",
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"la": "360",
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},
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),
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(
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"A1",
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"Bb",
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0,
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{
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"weight": 1.0,
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"h2": "0",
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"a1": "40",
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"k1": "2.8",
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"a2": "30",
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"k2": "0.8",
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"ap": "25",
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"l": "Bezier arc",
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"lphi": "90",
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"la": "0",
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"lp": "0.65",
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},
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),
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(
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"A1",
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"C",
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0,
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{
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"weight": 1.0,
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"p": "Dashed",
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"h2": "0",
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"w": "5",
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"k1": "-1",
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"k2": "-20",
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"ap": "25",
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"l": "Oval arc",
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"c": "Brown",
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"lc": "Black",
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},
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),
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(
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"Bb",
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"A1",
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0,
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{
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"weight": 1.0,
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"h2": "0",
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"a1": "120",
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"k1": "1.3",
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"a2": "-120",
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"k2": "0.3",
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"ap": "25",
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"l": "Bezier arc",
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"lphi": "270",
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"la": "180",
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"lr": "19",
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"lp": "0.5",
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},
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),
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(
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"C",
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"D2",
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0,
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{
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"weight": 1.0,
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"p": "Dashed",
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"h2": "0",
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"w": "2",
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"c": "OliveGreen",
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"ap": "25",
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"l": "Straight arc",
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"lc": "PineGreen",
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},
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),
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(
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"C",
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"C",
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0,
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{
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"weight": -1.0,
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"h1": "6",
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"w": "1",
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"h2": "12",
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"k1": "-2",
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"k2": "-15",
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"ap": "0.5",
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"l": "Circular loop",
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"c": "Red",
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"lc": "OrangeRed",
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"lphi": "270",
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"la": "180",
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},
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),
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(
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"D2",
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"Bb",
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0,
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{
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"weight": -1.0,
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"h2": "0",
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"w": "1",
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"k1": "-2",
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"k2": "250",
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"ap": "25",
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"l": "Circular arc",
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"c": "Red",
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"lc": "OrangeRed",
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},
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),
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]
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class TestPajek:
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@classmethod
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def setup_class(cls):
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cls.data = """*network Tralala\n*vertices 4\n 1 "A1" 0.0938 0.0896 ellipse x_fact 1 y_fact 1\n 2 "Bb" 0.8188 0.2458 ellipse x_fact 1 y_fact 1\n 3 "C" 0.3688 0.7792 ellipse x_fact 1\n 4 "D2" 0.9583 0.8563 ellipse x_fact 1\n*arcs\n1 1 1 h2 0 w 3 c Blue s 3 a1 -130 k1 0.6 a2 -130 k2 0.6 ap 0.5 l "Bezier loop" lc BlueViolet fos 20 lr 58 lp 0.3 la 360\n2 1 1 h2 0 a1 120 k1 1.3 a2 -120 k2 0.3 ap 25 l "Bezier arc" lphi 270 la 180 lr 19 lp 0.5\n1 2 1 h2 0 a1 40 k1 2.8 a2 30 k2 0.8 ap 25 l "Bezier arc" lphi 90 la 0 lp 0.65\n4 2 -1 h2 0 w 1 k1 -2 k2 250 ap 25 l "Circular arc" c Red lc OrangeRed\n3 4 1 p Dashed h2 0 w 2 c OliveGreen ap 25 l "Straight arc" lc PineGreen\n1 3 1 p Dashed h2 0 w 5 k1 -1 k2 -20 ap 25 l "Oval arc" c Brown lc Black\n3 3 -1 h1 6 w 1 h2 12 k1 -2 k2 -15 ap 0.5 l "Circular loop" c Red lc OrangeRed lphi 270 la 180"""
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cls.G = eg.MultiDiGraph()
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cls.G.add_nodes_from(["A1", "Bb", "C", "D2"])
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cls.G.add_edges_from(
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[
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("A1", "A1"),
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("A1", "Bb"),
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("A1", "C"),
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("Bb", "A1"),
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("C", "C"),
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("C", "D2"),
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("D2", "Bb"),
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]
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)
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cls.G.graph["name"] = "Tralala"
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(fd, cls.fname) = tempfile.mkstemp()
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with os.fdopen(fd, "wb") as fh:
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fh.write(cls.data.encode("UTF-8"))
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@classmethod
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def teardown_class(cls):
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os.unlink(cls.fname)
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def test_parse_pajek_simple(self):
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# Example without node positions or shape
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data = """*Vertices 2\n1 "1"\n2 "2"\n*Edges\n1 2\n2 1"""
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G = eg.parse_pajek(data)
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assert sorted(G.nodes) == ["1", "2"]
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assert edges_equal(G.edges, [("1", "2", 0, {}), ("1", "2", 1, {})])
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def test_parse_pajek(self):
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G = eg.parse_pajek(self.data)
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assert sorted(G.nodes) == ["A1", "Bb", "C", "D2"]
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# print(G.edges)
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assert edges_equal(G.edges, test_parse_pajek_edges)
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def test_parse_pajek_mat(self):
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data = """*Vertices 3\n1 "one"\n2 "two"\n3 "three"\n*Matrix\n1 1 0\n0 1 0\n0 1 0\n"""
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G = eg.parse_pajek(data)
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assert set(G.nodes) == {"one", "two", "three"}
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assert G.nodes["two"] == {"id": "2"}
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assert edges_equal(
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# set(G.edges),
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G.edges,
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[
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("one", "one", {"weight": 1}),
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("one", "two", {"weight": 1}),
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("two", "two", {"weight": 1}),
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("three", "two", {"weight": 1}),
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],
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)
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def test_read_pajek(self):
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G = eg.parse_pajek(self.data)
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Gin = eg.read_pajek(self.fname)
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assert sorted(G.nodes) == sorted(Gin.nodes)
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assert edges_equal(G.edges, Gin.edges)
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assert self.G.graph == Gin.graph
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for n in G:
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assert G.nodes[n] == Gin.nodes[n]
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def test_write_pajek(self):
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import io
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G = eg.parse_pajek(self.data)
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fh = io.BytesIO()
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eg.write_pajek(G, fh)
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fh.seek(0)
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H = eg.read_pajek(fh)
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assert nodes_equal(G.nodes, list(H))
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assert edges_equal(G.edges, list(H.edges))
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# Graph name is left out for now, therefore it is not tested.
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# assert_equal(G.graph, H.graph)
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def test_ignored_attribute(self):
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import io
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G = eg.Graph()
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fh = io.BytesIO()
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G.add_node(1, int_attr=1)
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G.add_node(2, empty_attr=" ")
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G.add_edge(1, 2, int_attr=2)
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G.add_edge(2, 3, empty_attr=" ")
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import warnings
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with warnings.catch_warnings(record=True) as w:
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eg.write_pajek(G, fh)
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assert len(w) == 4
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def test_noname(self):
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# Make sure we can parse a line such as: *network
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# Issue #952
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line = "*network\n"
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other_lines = self.data.split("\n")[1:]
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data = line + "\n".join(other_lines)
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G = eg.parse_pajek(data)
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def test_unicode(self):
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import io
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G = eg.Graph()
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name1 = chr(2344) + chr(123) + chr(6543)
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name2 = chr(5543) + chr(1543) + chr(324)
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G.add_edge(name1, "Radiohead", foo=name2)
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fh = io.BytesIO()
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eg.write_pajek(G, fh)
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fh.seek(0)
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H = eg.read_pajek(fh)
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assert nodes_equal(list(G), list(H))
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# from icecream import ic
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# ic(G.edges)
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# ic(H.edges)
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# ic(G.graph)
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# ic(H.graph)
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# assert edges_equal(list(G.edges), list(H.edges))
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assert G.graph == H.graph
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