first steps

.gitignore

+.idea

Pipfile

+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+pytest = "*"
+
+[packages]
+networkx = "*"
+network2tikz = {editable = true,path = "/home/mark/Projekte/network2tikz"}
+
+[requires]
+python_version = "3.7"

Pipfile.lock

+{
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+        "sources": [
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+            }
+        ]
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+    "default": {
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+            ],
+            "version": "==4.4.2"
+        },
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+            "editable": true,
+            "path": "/home/mark/Projekte/network2tikz"
+        },
+        "networkx": {
+            "hashes": [
+                "sha256:cdfbf698749a5014bf2ed9db4a07a5295df1d3a53bf80bf3cbd61edf9df05fa1",
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+            ],
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+        "numpy": {
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+    "develop": {
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+                "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
+            ],
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+        },
+        "importlib-metadata": {
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+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==1.5.0"
+        },
+        "more-itertools": {
+            "hashes": [
+                "sha256:5dd8bcf33e5f9513ffa06d5ad33d78f31e1931ac9a18f33d37e77a180d393a7c",
+                "sha256:b1ddb932186d8a6ac451e1d95844b382f55e12686d51ca0c68b6f61f2ab7a507"
+            ],
+            "version": "==8.2.0"
+        },
+        "packaging": {
+            "hashes": [
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+            ],
+            "version": "==20.3"
+        },
+        "pluggy": {
+            "hashes": [
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+            ],
+            "version": "==0.13.1"
+        },
+        "py": {
+            "hashes": [
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+                "sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"
+            ],
+            "version": "==1.8.1"
+        },
+        "pyparsing": {
+            "hashes": [
+                "sha256:4c830582a84fb022400b85429791bc551f1f4871c33f23e44f353119e92f969f",
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+            ],
+            "version": "==2.4.6"
+        },
+        "pytest": {
+            "hashes": [
+                "sha256:0d5fe9189a148acc3c3eb2ac8e1ac0742cb7618c084f3d228baaec0c254b318d",
+                "sha256:ff615c761e25eb25df19edddc0b970302d2a9091fbce0e7213298d85fb61fef6"
+            ],
+            "index": "pypi",
+            "version": "==5.3.5"
+        },
+        "six": {
+            "hashes": [
+                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
+                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+            ],
+            "version": "==1.14.0"
+        },
+        "wcwidth": {
+            "hashes": [
+                "sha256:8fd29383f539be45b20bd4df0dc29c20ba48654a41e661925e612311e9f3c603",
+                "sha256:f28b3e8a6483e5d49e7f8949ac1a78314e740333ae305b4ba5defd3e74fb37a8"
+            ],
+            "version": "==0.1.8"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b",
+                "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"
+            ],
+            "version": "==3.1.0"
+        }
+    }
+}

graph.tex

+\documentclass{standalone}
+\usepackage{tikz-network}
+\begin{document}
+\begin{tikzpicture}
+\clip (0,0) rectangle (6,6);
+\Vertex[x=0.350,y=0.691]{0}
+\Vertex[x=1.486,y=1.221]{1}
+\Vertex[x=1.561,y=4.476]{3}
+\Vertex[x=5.650,y=4.325]{2}
+\Vertex[x=5.499,y=5.309]{4}
+\Edge[label=0.33](0)(1)
+\Edge[label=1.05](0)(3)
+\Edge[label=0.53](1)(2)
+\Edge[label=0.33](1)(3)
+\Edge[label=1.08](3)(2)
+\Edge[label=1.06](3)(4)
+\Edge[label=0.26](2)(4)
+\end{tikzpicture}
+\end{document}
\ No newline at end of file

tests/conftest.py

+from collections import namedtuple
+
+import pytest
+import networkx as nx
+
+Street = namedtuple('Street', ['u', 'v', 'street_type'])
+Edge = namedtuple('Edge', ['x', 'y', 'charging_coeff'], defaults=(None,))
+config = {
+    'speed': {
+        'default': 50,  # km/h
+        'highway': 130  # km/h
+    },
+    'consumption': {
+        'default': 125  # Wh/km
+    },
+    'nodes': [
+        Edge(14, 16, 10),
+        Edge(29, 23),
+        Edge(84, 64),
+        Edge(30, 66),
+        Edge(82, 77)
+    ],
+    'edges': [
+        Street(0, 1, 'default'),
+        Street(0, 3, 'default'),
+        Street(1, 2, 'highway'),
+        Street(1, 3, 'highway'),
+        Street(2, 3, 'default'),
+        Street(2, 4, 'default'),
+        Street(3, 4, 'default')
+    ]
+}
+
+
+@pytest.fixture
+def G():
+    G = init_graph()
+    yield G
+    del G
+
+
+def init_graph():
+    G = nx.Graph()
+
+    for edge in config['edges']:
+        u_x, u_y, u_ch = config['nodes'][edge.u]
+        v_x, v_y, v_ch = config['nodes'][edge.v]
+
+        # Calculate euclidean distance
+        s = ((v_y - u_y) ** 2 + (v_x - u_x) ** 2) ** (1 / 2)  # in km
+
+        # Calc travel time via t = s/v
+        t = s / config['speed'][edge.street_type]  # in h
+
+        # Calc consumption via c = s * consumption_per_km
+        c = s * config['consumption']['default']
+
+        G.add_edge(edge.u, edge.v, weight=t, c=c, d=s)
+
+    return G

tests/test_graph.py

+import networkx as nx
+import network2tikz as tikz
+
+from .conftest import config
+
+
+def test_graph_creation(G: nx.Graph):
+    assert G.number_of_nodes() == 5
+    assert G.number_of_edges() == 7
+
+
+def test_print_graph(G: nx.Graph):
+    layout = {i: (d[0], d[1]) for i, d in enumerate(config['nodes'])}
+    edges_label = {(u, v): '{:.2f}'.format(G[u][v]['weight']).format() for u, v in G.edges}
+
+    #layout = nx.planar_layout(G)
+
+    tikz.plot(G, 'graph.tex', layout=layout, edges_label=edges_label)