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Commit b9802aa3 authored by Fize Jacques's avatar Fize Jacques
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Add draw script and debug

parent d5e49b01
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# coding = utf-8
import argparse
import networkx as nx
import pandas as pd
import joblib,json
from lib.draw import draw
parser = argparse.ArgumentParser()
parser.add_argument("input_file",help="edgelist format (sep = \",\" )")
parser.add_argument("--encoder-file",help="LabelEncoder instance that allows to obtain a label for each node")
parser.add_argument("--country",help="if country node",action="store_true")
parser.add_argument("-w",action="store_true")
parser.add_argument("output_file")
args = parser.parse_args()
if args.w:
df = pd.read_csv(args.input_file,header=None,names="source target weight".split())
G = nx.from_pandas_edgelist(df,edge_attr="weight")
else:
df = pd.read_csv(args.input_file, header=None, names="source target weight".split())
G = nx.from_pandas_edgelist(df, edge_attr="weight")
encoder = None
labels_dict = {}
if args.encoder_file:
encoder = joblib.load(args.encoder_file)
if args.country:
iso2_name = json.load(open("data/ISO3166-1.alpha2.json.txt"))
for node in list(G.nodes()):
if args.country:
labels_dict[node] = iso2_name[encoder.inverse_transform([node])[0]]
else:
labels_dict[node] = encoder.inverse_transform([node])[0]
fig, ax = draw(G,labels_dict)
fig.savefig("test.pdf")
\ No newline at end of file
......@@ -89,3 +89,4 @@ def draw(G, labels_dict={}, iteration_force_atlase=2000, figsize=(40, 20), font_
if weight:
plt.colorbar(edges)
plt.axis("off")
return fig, ax
# code from http://bbengfort.github.io/snippets/2016/06/23/graph-tool-from-networkx.html
import networkx as nx
import graph_tool as gt
def get_prop_type(value, key=None):
"""
Performs typing and value conversion for the graph_tool PropertyMap class.
If a key is provided, it also ensures the key is in a format that can be
used with the PropertyMap. Returns a tuple, (type name, value, key)
"""
# Deal with the value
if isinstance(value, bool):
tname = 'bool'
elif isinstance(value, int):
tname = 'float'
value = float(value)
elif isinstance(value, float):
tname = 'float'
elif isinstance(value, dict):
tname = 'object'
else:
tname = 'string'
value = str(value)
return tname, value, key
def nx2gt(nxG):
"""
Converts a networkx graph to a graph-tool graph.
"""
# Phase 0: Create a directed or undirected graph-tool Graph
gtG = gt.Graph(directed=nxG.is_directed())
# Add the Graph properties as "internal properties"
for key, value in nxG.graph.items():
# Convert the value and key into a type for graph-tool
tname, value, key = get_prop_type(value, key)
prop = gtG.new_graph_property(tname) # Create the PropertyMap
gtG.graph_properties[key] = prop # Set the PropertyMap
gtG.graph_properties[key] = value # Set the actual value
# Phase 1: Add the vertex and edge property maps
# Go through all nodes and edges and add seen properties
# Add the node properties first
nprops = set() # cache keys to only add properties once
for node, data in nxG.nodes(data=True):
# Go through all the properties if not seen and add them.
for key, val in data.items():
if key in nprops:
continue # Skip properties already added
# Convert the value and key into a type for graph-tool
tname, _, key = get_prop_type(val, key)
prop = gtG.new_vertex_property(tname) # Create the PropertyMap
gtG.vertex_properties[key] = prop # Set the PropertyMap
# Add the key to the already seen properties
nprops.add(key)
# Also add the node id: in NetworkX a node can be any hashable type, but
# in graph-tool node are defined as indices. So we capture any strings
# in a special PropertyMap called 'id' -- modify as needed!
gtG.vertex_properties['id'] = gtG.new_vertex_property('string')
# Add the edge properties second
eprops = set() # cache keys to only add properties once
for src, dst, data in nxG.edges(data=True):
# Go through all the edge properties if not seen and add them.
for key, val in data.items():
if key in eprops:
continue # Skip properties already added
# Convert the value and key into a type for graph-tool
tname, _, key = get_prop_type(val, key)
prop = gtG.new_edge_property(tname) # Create the PropertyMap
gtG.edge_properties[key] = prop # Set the PropertyMap
# Add the key to the already seen properties
eprops.add(key)
# Phase 2: Actually add all the nodes and vertices with their properties
# Add the nodes
vertices = {} # vertex mapping for tracking edges later
for node, data in nxG.nodes(data=True):
# Create the vertex and annotate for our edges later
v = gtG.add_vertex()
vertices[node] = v
# Set the vertex properties, not forgetting the id property
data['id'] = str(node)
for key, value in data.items():
gtG.vp[key][v] = value # vp is short for vertex_properties
# Add the edges
for src, dst, data in nxG.edges(data=True):
# Look up the vertex structs from our vertices mapping and add edge.
e = gtG.add_edge(vertices[src], vertices[dst])
# Add the edge properties
for key, value in data.items():
gtG.ep[key][e] = value # ep is short for edge_properties
# Done, finally!
return gtG
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