Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/sitepackages/networkx/readwrite/tests/test_gexf.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author  shellac 

date  Mon, 22 Mar 2021 18:12:50 +0000 
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rev  line source 

0
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1 import io 
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2 import sys 
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3 import time 
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4 import pytest 
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5 
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6 import networkx as nx 
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7 
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8 
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9 class TestGEXF: 
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10 @classmethod 
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11 def setup_class(cls): 
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12 _ = pytest.importorskip("xml.etree.ElementTree") 
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13 
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14 cls.simple_directed_data = """<?xml version="1.0" encoding="UTF8"?> 
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15 <gexf xmlns="http://www.gexf.net/1.2draft" version="1.2"> 
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16 <graph mode="static" defaultedgetype="directed"> 
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17 <nodes> 
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18 <node id="0" label="Hello" /> 
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19 <node id="1" label="Word" /> 
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20 </nodes> 
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21 <edges> 
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22 <edge id="0" source="0" target="1" /> 
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23 </edges> 
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24 </graph> 
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25 </gexf> 
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26 """ 
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27 cls.simple_directed_graph = nx.DiGraph() 
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28 cls.simple_directed_graph.add_node("0", label="Hello") 
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29 cls.simple_directed_graph.add_node("1", label="World") 
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30 cls.simple_directed_graph.add_edge("0", "1", id="0") 
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31 
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32 cls.simple_directed_fh = io.BytesIO(cls.simple_directed_data.encode("UTF8")) 
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33 
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34 cls.attribute_data = """<?xml version="1.0" encoding="UTF8"?>\ 
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35 <gexf xmlns="http://www.gexf.net/1.2draft" xmlns:xsi="http://www.w3.\ 
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36 org/2001/XMLSchemainstance" xsi:schemaLocation="http://www.gexf.net/\ 
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37 1.2draft http://www.gexf.net/1.2draft/gexf.xsd" version="1.2"> 
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38 <meta lastmodifieddate="20090320"> 
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39 <creator>Gephi.org</creator> 
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40 <description>A Web network</description> 
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41 </meta> 
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42 <graph defaultedgetype="directed"> 
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43 <attributes class="node"> 
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44 <attribute id="0" title="url" type="string"/> 
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45 <attribute id="1" title="indegree" type="integer"/> 
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46 <attribute id="2" title="frog" type="boolean"> 
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47 <default>true</default> 
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48 </attribute> 
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49 </attributes> 
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50 <nodes> 
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51 <node id="0" label="Gephi"> 
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52 <attvalues> 
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53 <attvalue for="0" value="https://gephi.org"/> 
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54 <attvalue for="1" value="1"/> 
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55 <attvalue for="2" value="false"/> 
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56 </attvalues> 
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57 </node> 
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58 <node id="1" label="Webatlas"> 
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59 <attvalues> 
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60 <attvalue for="0" value="http://webatlas.fr"/> 
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61 <attvalue for="1" value="2"/> 
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62 <attvalue for="2" value="false"/> 
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63 </attvalues> 
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64 </node> 
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65 <node id="2" label="RTGI"> 
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66 <attvalues> 
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67 <attvalue for="0" value="http://rtgi.fr"/> 
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68 <attvalue for="1" value="1"/> 
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69 <attvalue for="2" value="true"/> 
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70 </attvalues> 
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71 </node> 
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72 <node id="3" label="BarabasiLab"> 
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73 <attvalues> 
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74 <attvalue for="0" value="http://barabasilab.com"/> 
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75 <attvalue for="1" value="1"/> 
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76 <attvalue for="2" value="true"/> 
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77 </attvalues> 
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78 </node> 
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79 </nodes> 
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80 <edges> 
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81 <edge id="0" source="0" target="1" label="foo"/> 
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82 <edge id="1" source="0" target="2"/> 
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83 <edge id="2" source="1" target="0"/> 
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84 <edge id="3" source="2" target="1"/> 
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85 <edge id="4" source="0" target="3"/> 
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86 </edges> 
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87 </graph> 
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88 </gexf> 
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89 """ 
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90 cls.attribute_graph = nx.DiGraph() 
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91 cls.attribute_graph.graph["node_default"] = {"frog": True} 
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92 cls.attribute_graph.add_node( 
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93 "0", label="Gephi", url="https://gephi.org", indegree=1, frog=False 
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94 ) 
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95 cls.attribute_graph.add_node( 
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96 "1", label="Webatlas", url="http://webatlas.fr", indegree=2, frog=False 
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97 ) 
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98 cls.attribute_graph.add_node( 
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99 "2", label="RTGI", url="http://rtgi.fr", indegree=1, frog=True 
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100 ) 
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101 cls.attribute_graph.add_node( 
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102 "3", 
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103 label="BarabasiLab", 
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104 url="http://barabasilab.com", 
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105 indegree=1, 
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106 frog=True, 
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107 ) 
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108 cls.attribute_graph.add_edge("0", "1", id="0", label="foo") 
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109 cls.attribute_graph.add_edge("0", "2", id="1") 
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110 cls.attribute_graph.add_edge("1", "0", id="2") 
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111 cls.attribute_graph.add_edge("2", "1", id="3") 
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112 cls.attribute_graph.add_edge("0", "3", id="4") 
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113 cls.attribute_fh = io.BytesIO(cls.attribute_data.encode("UTF8")) 
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114 
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115 cls.simple_undirected_data = """<?xml version="1.0" encoding="UTF8"?> 
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116 <gexf xmlns="http://www.gexf.net/1.2draft" version="1.2"> 
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117 <graph mode="static" defaultedgetype="undirected"> 
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118 <nodes> 
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119 <node id="0" label="Hello" /> 
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120 <node id="1" label="Word" /> 
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121 </nodes> 
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122 <edges> 
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123 <edge id="0" source="0" target="1" /> 
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124 </edges> 
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125 </graph> 
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126 </gexf> 
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127 """ 
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128 cls.simple_undirected_graph = nx.Graph() 
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129 cls.simple_undirected_graph.add_node("0", label="Hello") 
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130 cls.simple_undirected_graph.add_node("1", label="World") 
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131 cls.simple_undirected_graph.add_edge("0", "1", id="0") 
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132 
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133 cls.simple_undirected_fh = io.BytesIO( 
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134 cls.simple_undirected_data.encode("UTF8") 
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135 ) 
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136 
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137 def test_read_simple_directed_graphml(self): 
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138 G = self.simple_directed_graph 
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139 H = nx.read_gexf(self.simple_directed_fh) 
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140 assert sorted(G.nodes()) == sorted(H.nodes()) 
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141 assert sorted(G.edges()) == sorted(H.edges()) 
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142 assert sorted(G.edges(data=True)) == sorted(H.edges(data=True)) 
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143 self.simple_directed_fh.seek(0) 
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144 
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145 def test_write_read_simple_directed_graphml(self): 
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146 G = self.simple_directed_graph 
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147 fh = io.BytesIO() 
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148 nx.write_gexf(G, fh) 
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149 fh.seek(0) 
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150 H = nx.read_gexf(fh) 
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151 assert sorted(G.nodes()) == sorted(H.nodes()) 
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152 assert sorted(G.edges()) == sorted(H.edges()) 
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153 assert sorted(G.edges(data=True)) == sorted(H.edges(data=True)) 
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154 self.simple_directed_fh.seek(0) 
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155 
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156 def test_read_simple_undirected_graphml(self): 
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157 G = self.simple_undirected_graph 
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158 H = nx.read_gexf(self.simple_undirected_fh) 
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159 assert sorted(G.nodes()) == sorted(H.nodes()) 
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160 assert sorted(sorted(e) for e in G.edges()) == sorted( 
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161 sorted(e) for e in H.edges() 
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162 ) 
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163 self.simple_undirected_fh.seek(0) 
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164 
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165 def test_read_attribute_graphml(self): 
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166 G = self.attribute_graph 
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167 H = nx.read_gexf(self.attribute_fh) 
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168 assert sorted(G.nodes(True)) == sorted(H.nodes(data=True)) 
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169 ge = sorted(G.edges(data=True)) 
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170 he = sorted(H.edges(data=True)) 
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171 for a, b in zip(ge, he): 
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172 assert a == b 
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173 self.attribute_fh.seek(0) 
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174 
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175 def test_directed_edge_in_undirected(self): 
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176 s = """<?xml version="1.0" encoding="UTF8"?> 
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177 <gexf xmlns="http://www.gexf.net/1.2draft" version='1.2'> 
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178 <graph mode="static" defaultedgetype="undirected" name=""> 
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179 <nodes> 
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180 <node id="0" label="Hello" /> 
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181 <node id="1" label="Word" /> 
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182 </nodes> 
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183 <edges> 
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184 <edge id="0" source="0" target="1" type="directed"/> 
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185 </edges> 
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186 </graph> 
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187 </gexf> 
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188 """ 
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189 fh = io.BytesIO(s.encode("UTF8")) 
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190 pytest.raises(nx.NetworkXError, nx.read_gexf, fh) 
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191 
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192 def test_undirected_edge_in_directed(self): 
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193 s = """<?xml version="1.0" encoding="UTF8"?> 
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194 <gexf xmlns="http://www.gexf.net/1.2draft" version='1.2'> 
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195 <graph mode="static" defaultedgetype="directed" name=""> 
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196 <nodes> 
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197 <node id="0" label="Hello" /> 
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198 <node id="1" label="Word" /> 
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199 </nodes> 
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200 <edges> 
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201 <edge id="0" source="0" target="1" type="undirected"/> 
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202 </edges> 
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203 </graph> 
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204 </gexf> 
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205 """ 
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206 fh = io.BytesIO(s.encode("UTF8")) 
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207 pytest.raises(nx.NetworkXError, nx.read_gexf, fh) 
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208 
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209 def test_key_raises(self): 
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210 s = """<?xml version="1.0" encoding="UTF8"?> 
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211 <gexf xmlns="http://www.gexf.net/1.2draft" version='1.2'> 
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212 <graph mode="static" defaultedgetype="directed" name=""> 
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213 <nodes> 
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214 <node id="0" label="Hello"> 
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215 <attvalues> 
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216 <attvalue for='0' value='1'/> 
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217 </attvalues> 
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218 </node> 
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219 <node id="1" label="Word" /> 
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220 </nodes> 
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221 <edges> 
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222 <edge id="0" source="0" target="1" type="undirected"/> 
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223 </edges> 
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224 </graph> 
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225 </gexf> 
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226 """ 
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227 fh = io.BytesIO(s.encode("UTF8")) 
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228 pytest.raises(nx.NetworkXError, nx.read_gexf, fh) 
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229 
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230 def test_relabel(self): 
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231 s = """<?xml version="1.0" encoding="UTF8"?> 
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232 <gexf xmlns="http://www.gexf.net/1.2draft" version='1.2'> 
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233 <graph mode="static" defaultedgetype="directed" name=""> 
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234 <nodes> 
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235 <node id="0" label="Hello" /> 
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236 <node id="1" label="Word" /> 
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237 </nodes> 
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238 <edges> 
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239 <edge id="0" source="0" target="1"/> 
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240 </edges> 
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241 </graph> 
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242 </gexf> 
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243 """ 
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244 fh = io.BytesIO(s.encode("UTF8")) 
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245 G = nx.read_gexf(fh, relabel=True) 
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246 assert sorted(G.nodes()) == ["Hello", "Word"] 
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247 
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248 def test_default_attribute(self): 
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249 G = nx.Graph() 
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250 G.add_node(1, label="1", color="green") 
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251 nx.add_path(G, [0, 1, 2, 3]) 
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252 G.add_edge(1, 2, foo=3) 
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253 G.graph["node_default"] = {"color": "yellow"} 
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254 G.graph["edge_default"] = {"foo": 7} 
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255 fh = io.BytesIO() 
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256 nx.write_gexf(G, fh) 
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257 fh.seek(0) 
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258 H = nx.read_gexf(fh, node_type=int) 
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259 assert sorted(G.nodes()) == sorted(H.nodes()) 
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260 assert sorted(sorted(e) for e in G.edges()) == sorted( 
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261 sorted(e) for e in H.edges() 
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262 ) 
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263 # Reading a gexf graph always sets mode attribute to either 
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264 # 'static' or 'dynamic'. Remove the mode attribute from the 
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265 # read graph for the sake of comparing remaining attributes. 
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266 del H.graph["mode"] 
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267 assert G.graph == H.graph 
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268 
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269 def test_serialize_ints_to_strings(self): 
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270 G = nx.Graph() 
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271 G.add_node(1, id=7, label=77) 
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272 fh = io.BytesIO() 
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273 nx.write_gexf(G, fh) 
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274 fh.seek(0) 
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275 H = nx.read_gexf(fh, node_type=int) 
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276 assert list(H) == [7] 
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277 assert H.nodes[7]["label"] == "77" 
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278 
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279 # FIXME: We should test xml without caring about their order This is causing a 
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280 # problem b/c of a change in Python 3.8 
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281 # 
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282 # "Prior to Python 3.8, the serialisation order of the XML attributes of 
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283 # elements was artificially made predictable by sorting the attributes by their 
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284 # name. Based on the now guaranteed ordering of dicts, this arbitrary 
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285 # reordering was removed in Python 3.8 to preserve the order in which 
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286 # attributes were originally parsed or created by user code." 
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287 # 
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288 # https://docs.python.org/3.8/library/xml.etree.elementtree.html 
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289 # https://bugs.python.org/issue34160 
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290 
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291 def test_write_with_node_attributes(self): 
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292 # Addresses #673. 
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293 G = nx.OrderedGraph() 
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294 G.add_edges_from([(0, 1), (1, 2), (2, 3)]) 
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295 for i in range(4): 
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296 G.nodes[i]["id"] = i 
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297 G.nodes[i]["label"] = i 
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298 G.nodes[i]["pid"] = i 
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299 G.nodes[i]["start"] = i 
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300 G.nodes[i]["end"] = i + 1 
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301 
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302 if sys.version_info < (3, 8): 
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303 expected = f"""<gexf version="1.2" xmlns="http://www.gexf.net/1.2\ 
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304 draft" xmlns:xsi="http://www.w3.org/2001/XMLSchemainstance" xsi:\ 
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305 schemaLocation="http://www.gexf.net/1.2draft http://www.gexf.net/1.2draft/\ 
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306 gexf.xsd"> 
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307 <meta lastmodifieddate="{time.strftime('%Y%m%d')}"> 
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308 <creator>NetworkX {nx.__version__}</creator> 
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309 </meta> 
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310 <graph defaultedgetype="undirected" mode="dynamic" name="" timeformat="long"> 
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311 <nodes> 
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312 <node end="1" id="0" label="0" pid="0" start="0" /> 
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313 <node end="2" id="1" label="1" pid="1" start="1" /> 
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314 <node end="3" id="2" label="2" pid="2" start="2" /> 
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315 <node end="4" id="3" label="3" pid="3" start="3" /> 
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316 </nodes> 
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317 <edges> 
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318 <edge id="0" source="0" target="1" /> 
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319 <edge id="1" source="1" target="2" /> 
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320 <edge id="2" source="2" target="3" /> 
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321 </edges> 
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322 </graph> 
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323 </gexf>""" 
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324 else: 
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325 expected = f"""<gexf xmlns="http://www.gexf.net/1.2draft" xmlns:xsi\ 
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326 ="http://www.w3.org/2001/XMLSchemainstance" xsi:schemaLocation=\ 
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327 "http://www.gexf.net/1.2draft http://www.gexf.net/1.2draft/\ 
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328 gexf.xsd" version="1.2"> 
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329 <meta lastmodifieddate="{time.strftime('%Y%m%d')}"> 
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330 <creator>NetworkX {nx.__version__}</creator> 
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331 </meta> 
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332 <graph defaultedgetype="undirected" mode="dynamic" name="" timeformat="long"> 
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333 <nodes> 
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334 <node id="0" label="0" pid="0" start="0" end="1" /> 
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335 <node id="1" label="1" pid="1" start="1" end="2" /> 
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336 <node id="2" label="2" pid="2" start="2" end="3" /> 
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337 <node id="3" label="3" pid="3" start="3" end="4" /> 
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338 </nodes> 
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339 <edges> 
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340 <edge source="0" target="1" id="0" /> 
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341 <edge source="1" target="2" id="1" /> 
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342 <edge source="2" target="3" id="2" /> 
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343 </edges> 
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344 </graph> 
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345 </gexf>""" 
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346 obtained = "\n".join(nx.generate_gexf(G)) 
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347 assert expected == obtained 
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348 
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349 def test_edge_id_construct(self): 
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350 G = nx.Graph() 
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351 G.add_edges_from([(0, 1, {"id": 0}), (1, 2, {"id": 2}), (2, 3)]) 
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352 
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353 if sys.version_info < (3, 8): 
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354 expected = f"""<gexf version="1.2" xmlns="http://www.gexf.net/\ 
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355 1.2draft" xmlns:xsi="http://www.w3.org/2001/XMLSchemainstance" xsi:\ 
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356 schemaLocation="http://www.gexf.net/1.2draft http://www.gexf.net/1.2draft/\ 
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357 gexf.xsd"> 
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358 <meta lastmodifieddate="{time.strftime('%Y%m%d')}"> 
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359 <creator>NetworkX {nx.__version__}</creator> 
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360 </meta> 
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361 <graph defaultedgetype="undirected" mode="static" name=""> 
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362 <nodes> 
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363 <node id="0" label="0" /> 
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364 <node id="1" label="1" /> 
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365 <node id="2" label="2" /> 
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366 <node id="3" label="3" /> 
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367 </nodes> 
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368 <edges> 
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369 <edge id="0" source="0" target="1" /> 
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370 <edge id="2" source="1" target="2" /> 
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371 <edge id="1" source="2" target="3" /> 
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372 </edges> 
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373 </graph> 
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374 </gexf>""" 
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375 else: 
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376 expected = f"""<gexf xmlns="http://www.gexf.net/1.2draft" xmlns:xsi\ 
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377 ="http://www.w3.org/2001/XMLSchemainstance" xsi:schemaLocation="http://www.\ 
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378 gexf.net/1.2draft http://www.gexf.net/1.2draft/gexf.xsd" version="1.2"> 
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379 <meta lastmodifieddate="{time.strftime('%Y%m%d')}"> 
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380 <creator>NetworkX {nx.__version__}</creator> 
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381 </meta> 
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382 <graph defaultedgetype="undirected" mode="static" name=""> 
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383 <nodes> 
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384 <node id="0" label="0" /> 
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385 <node id="1" label="1" /> 
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386 <node id="2" label="2" /> 
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387 <node id="3" label="3" /> 
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388 </nodes> 
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389 <edges> 
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390 <edge source="0" target="1" id="0" /> 
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391 <edge source="1" target="2" id="2" /> 
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392 <edge source="2" target="3" id="1" /> 
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393 </edges> 
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394 </graph> 
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395 </gexf>""" 
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396 
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397 obtained = "\n".join(nx.generate_gexf(G)) 
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398 assert expected == obtained 
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399 
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400 def test_numpy_type(self): 
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401 G = nx.path_graph(4) 
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402 try: 
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403 import numpy 
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404 except ImportError: 
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405 return 
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406 nx.set_node_attributes(G, {n: n for n in numpy.arange(4)}, "number") 
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407 G[0][1]["edgenumber"] = numpy.float64(1.1) 
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408 
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409 if sys.version_info < (3, 8): 
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410 expected = f"""<gexf version="1.2" xmlns="http://www.gexf.net/1.2draft"\ 
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411 xmlns:xsi="http://www.w3.org/2001/XMLSchemainstance" xsi:schemaLocation\ 
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412 ="http://www.gexf.net/1.2draft http://www.gexf.net/1.2draft/gexf.xsd"> 
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413 <meta lastmodifieddate="{time.strftime('%Y%m%d')}"> 
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414 <creator>NetworkX {nx.__version__}</creator> 
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415 </meta> 
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416 <graph defaultedgetype="undirected" mode="static" name=""> 
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417 <attributes class="edge" mode="static"> 
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418 <attribute id="1" title="edgenumber" type="float" /> 
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419 </attributes> 
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420 <attributes class="node" mode="static"> 
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421 <attribute id="0" title="number" type="int" /> 
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422 </attributes> 
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423 <nodes> 
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424 <node id="0" label="0"> 
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425 <attvalues> 
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426 <attvalue for="0" value="0" /> 
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427 </attvalues> 
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428 </node> 
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429 <node id="1" label="1"> 
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430 <attvalues> 
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431 <attvalue for="0" value="1" /> 
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432 </attvalues> 
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433 </node> 
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434 <node id="2" label="2"> 
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435 <attvalues> 
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436 <attvalue for="0" value="2" /> 
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437 </attvalues> 
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438 </node> 
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439 <node id="3" label="3"> 
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440 <attvalues> 
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441 <attvalue for="0" value="3" /> 
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442 </attvalues> 
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443 </node> 
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444 </nodes> 
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445 <edges> 
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446 <edge id="0" source="0" target="1"> 
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447 <attvalues> 
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448 <attvalue for="1" value="1.1" /> 
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449 </attvalues> 
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450 </edge> 
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451 <edge id="1" source="1" target="2" /> 
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452 <edge id="2" source="2" target="3" /> 
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453 </edges> 
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454 </graph> 
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455 </gexf>""" 
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456 else: 
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457 expected = f"""<gexf xmlns="http://www.gexf.net/1.2draft"\ 
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458 xmlns:xsi="http://www.w3.org/2001/XMLSchemainstance" xsi:schemaLocation\ 
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459 ="http://www.gexf.net/1.2draft http://www.gexf.net/1.2draft/gexf.xsd"\ 
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460 version="1.2"> 
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461 <meta lastmodifieddate="{time.strftime('%Y%m%d')}"> 
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462 <creator>NetworkX {nx.__version__}</creator> 
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463 </meta> 
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464 <graph defaultedgetype="undirected" mode="static" name=""> 
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465 <attributes mode="static" class="edge"> 
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466 <attribute id="1" title="edgenumber" type="float" /> 
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467 </attributes> 
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468 <attributes mode="static" class="node"> 
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469 <attribute id="0" title="number" type="int" /> 
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470 </attributes> 
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471 <nodes> 
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472 <node id="0" label="0"> 
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473 <attvalues> 
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474 <attvalue for="0" value="0" /> 
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475 </attvalues> 
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476 </node> 
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477 <node id="1" label="1"> 
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478 <attvalues> 
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479 <attvalue for="0" value="1" /> 
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480 </attvalues> 
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481 </node> 
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482 <node id="2" label="2"> 
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483 <attvalues> 
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484 <attvalue for="0" value="2" /> 
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485 </attvalues> 
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486 </node> 
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487 <node id="3" label="3"> 
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488 <attvalues> 
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489 <attvalue for="0" value="3" /> 
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490 </attvalues> 
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491 </node> 
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492 </nodes> 
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493 <edges> 
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494 <edge source="0" target="1" id="0"> 
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495 <attvalues> 
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496 <attvalue for="1" value="1.1" /> 
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497 </attvalues> 
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498 </edge> 
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499 <edge source="1" target="2" id="1" /> 
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500 <edge source="2" target="3" id="2" /> 
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501 </edges> 
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502 </graph> 
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503 </gexf>""" 
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504 obtained = "\n".join(nx.generate_gexf(G)) 
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505 assert expected == obtained 
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506 
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507 def test_bool(self): 
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508 G = nx.Graph() 
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509 G.add_node(1, testattr=True) 
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510 fh = io.BytesIO() 
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511 nx.write_gexf(G, fh) 
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512 fh.seek(0) 
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513 H = nx.read_gexf(fh, node_type=int) 
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514 assert H.nodes[1]["testattr"] 
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515 
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516 # Test for NaN, INF and INF 
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517 def test_specials(self): 
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518 from math import isnan 
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519 
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520 inf, nan = float("inf"), float("nan") 
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521 G = nx.Graph() 
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522 G.add_node(1, testattr=inf, strdata="inf", key="a") 
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523 G.add_node(2, testattr=nan, strdata="nan", key="b") 
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524 G.add_node(3, testattr=inf, strdata="inf", key="c") 
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525 
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526 fh = io.BytesIO() 
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527 nx.write_gexf(G, fh) 
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528 fh.seek(0) 
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529 filetext = fh.read() 
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530 fh.seek(0) 
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531 H = nx.read_gexf(fh, node_type=int) 
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532 
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533 assert b"INF" in filetext 
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534 assert b"NaN" in filetext 
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535 assert b"INF" in filetext 
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536 
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537 assert H.nodes[1]["testattr"] == inf 
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538 assert isnan(H.nodes[2]["testattr"]) 
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539 assert H.nodes[3]["testattr"] == inf 
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540 
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541 assert H.nodes[1]["strdata"] == "inf" 
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542 assert H.nodes[2]["strdata"] == "nan" 
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543 assert H.nodes[3]["strdata"] == "inf" 
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544 
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545 assert H.nodes[1]["networkx_key"] == "a" 
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546 assert H.nodes[2]["networkx_key"] == "b" 
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547 assert H.nodes[3]["networkx_key"] == "c" 
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548 
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549 def test_simple_list(self): 
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550 G = nx.Graph() 
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551 list_value = [(1, 2, 3), (9, 1, 2)] 
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552 G.add_node(1, key=list_value) 
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553 fh = io.BytesIO() 
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554 nx.write_gexf(G, fh) 
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555 fh.seek(0) 
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556 H = nx.read_gexf(fh, node_type=int) 
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557 assert H.nodes[1]["networkx_key"] == list_value 
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558 
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559 def test_dynamic_mode(self): 
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560 G = nx.Graph() 
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561 G.add_node(1, label="1", color="green") 
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562 G.graph["mode"] = "dynamic" 
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563 fh = io.BytesIO() 
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564 nx.write_gexf(G, fh) 
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565 fh.seek(0) 
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566 H = nx.read_gexf(fh, node_type=int) 
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567 assert sorted(G.nodes()) == sorted(H.nodes()) 
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568 assert sorted(sorted(e) for e in G.edges()) == sorted( 
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569 sorted(e) for e in H.edges() 
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570 ) 
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571 
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572 def test_multigraph_with_missing_attributes(self): 
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573 G = nx.MultiGraph() 
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574 G.add_node(0, label="1", color="green") 
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575 G.add_node(1, label="2", color="green") 
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576 G.add_edge(0, 1, id="0", wight=3, type="undirected", start=0, end=1) 
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577 G.add_edge(0, 1, id="1", label="foo", start=0, end=1) 
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578 G.add_edge(0, 1) 
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579 fh = io.BytesIO() 
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580 nx.write_gexf(G, fh) 
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581 fh.seek(0) 
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582 H = nx.read_gexf(fh, node_type=int) 
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583 assert sorted(G.nodes()) == sorted(H.nodes()) 
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584 assert sorted(sorted(e) for e in G.edges()) == sorted( 
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585 sorted(e) for e in H.edges() 
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586 ) 
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587 
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588 def test_missing_viz_attributes(self): 
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589 G = nx.Graph() 
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590 G.add_node(0, label="1", color="green") 
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591 G.nodes[0]["viz"] = {"size": 54} 
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592 G.nodes[0]["viz"]["position"] = {"x": 0, "y": 1, "z": 0} 
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593 G.nodes[0]["viz"]["color"] = {"r": 0, "g": 0, "b": 256} 
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594 G.nodes[0]["viz"]["shape"] = "http://random.url" 
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595 G.nodes[0]["viz"]["thickness"] = 2 
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596 fh = io.BytesIO() 
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597 nx.write_gexf(G, fh, version="1.1draft") 
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598 fh.seek(0) 
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599 H = nx.read_gexf(fh, node_type=int) 
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600 assert sorted(G.nodes()) == sorted(H.nodes()) 
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601 assert sorted(sorted(e) for e in G.edges()) == sorted( 
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602 sorted(e) for e in H.edges() 
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603 ) 
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604 
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605 # Second graph for the other branch 
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606 G = nx.Graph() 
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607 G.add_node(0, label="1", color="green") 
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608 G.nodes[0]["viz"] = {"size": 54} 
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609 G.nodes[0]["viz"]["position"] = {"x": 0, "y": 1, "z": 0} 
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610 G.nodes[0]["viz"]["color"] = {"r": 0, "g": 0, "b": 256, "a": 0.5} 
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611 G.nodes[0]["viz"]["shape"] = "ftp://random.url" 
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612 G.nodes[0]["viz"]["thickness"] = 2 
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613 fh = io.BytesIO() 
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614 nx.write_gexf(G, fh) 
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615 fh.seek(0) 
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616 H = nx.read_gexf(fh, node_type=int) 
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617 assert sorted(G.nodes()) == sorted(H.nodes()) 
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618 assert sorted(sorted(e) for e in G.edges()) == sorted( 
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619 sorted(e) for e in H.edges() 
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620 ) 
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621 
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622 def test_slice_and_spell(self): 
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623 # Test spell first, so version = 1.2 
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624 G = nx.Graph() 
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625 G.add_node(0, label="1", color="green") 
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626 G.nodes[0]["spells"] = [(1, 2)] 
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627 fh = io.BytesIO() 
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628 nx.write_gexf(G, fh) 
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629 fh.seek(0) 
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630 H = nx.read_gexf(fh, node_type=int) 
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631 assert sorted(G.nodes()) == sorted(H.nodes()) 
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632 assert sorted(sorted(e) for e in G.edges()) == sorted( 
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633 sorted(e) for e in H.edges() 
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634 ) 
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635 
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636 G = nx.Graph() 
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637 G.add_node(0, label="1", color="green") 
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638 G.nodes[0]["slices"] = [(1, 2)] 
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639 fh = io.BytesIO() 
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640 nx.write_gexf(G, fh, version="1.1draft") 
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641 fh.seek(0) 
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642 H = nx.read_gexf(fh, node_type=int) 
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643 assert sorted(G.nodes()) == sorted(H.nodes()) 
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644 assert sorted(sorted(e) for e in G.edges()) == sorted( 
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645 sorted(e) for e in H.edges() 
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646 ) 
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647 
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648 def test_add_parent(self): 
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649 G = nx.Graph() 
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650 G.add_node(0, label="1", color="green", parents=[1, 2]) 
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651 fh = io.BytesIO() 
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652 nx.write_gexf(G, fh) 
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653 fh.seek(0) 
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654 H = nx.read_gexf(fh, node_type=int) 
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655 assert sorted(G.nodes()) == sorted(H.nodes()) 
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656 assert sorted(sorted(e) for e in G.edges()) == sorted( 
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657 sorted(e) for e in H.edges() 
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658 ) 