forked from slinderman/cs281sec09
/
Spark_auto_sim.py
371 lines (315 loc) · 13.2 KB
/
Spark_auto_sim.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
#!/usr/bin/python
import subprocess
from pyspark import SparkContext
from pyspark.streaming import StreamingContext
import json
import pickle
from networkx.readwrite import json_graph
import networkx as nx
import itertools
def deisomorphism(patternset):
deisoed_set = set()
for item in patternset:
Unique = True
for item2 in deisoed_set:
if nx.is_isomorphic(item, item2):
Unique = False
if Unique:
deisoed_set.add(item)
return deisoed_set
def merge_nodes(G,node1,node2):
if node1 in G and node2 in G:
for neighbor in G.neighbors(node1):
G.add_edge(neighbor, node2)
G.remove_node(node1)
return G
def patternsets2(MotifG1, MotifG2):
#enumerate all possible permutations of node labels,
#minimum is sharing one edge, all the way to max is the smaller number of edges, complexity 2^edgenum_max
#return a set of possibly isomorphic collapses
patternset = set()
edgenum_max = min(MotifG1.number_of_edges(), MotifG2.number_of_edges())
#select L (two+) edges to overlap
for L in range(1, edgenum_max + 1):
print L
L_subsets = list(itertools.combinations(MotifG1.edges(),L))
L_subsets2 = list(itertools.combinations(MotifG2.edges(),L))
for subset1 in L_subsets:
for subset2 in L_subsets2:
print "already chose these" +str(L)+" edges in Motif2"
print subset2
permutations = list(itertools.permutations(subset1))
i = 0
for permutation in permutations:
print "this permutation is"
print permutation
print "in this particular order" + str(i)
if MotifG1 == MotifG2:
print "waring!!!same motif non-relabled"
G = nx.disjoint_union(MotifG1, MotifG2)
else:
G = nx.union(MotifG1, MotifG2)
if len(G) != 0:
G2 = nx.Graph()
G22 = nx.Graph()
Motif2merged_nodes = set()
for j in range(0, len(permutation)):
edge_1 = permutation[j]
edge_2 = subset2[j]
print "edge 1"
print edge_1
print "edge 2"
print edge_2
if edge_2[0] not in Motif2merged_nodes:
G1 = merge_nodes(G, edge_1[0], edge_2[0])
Motif2merged_nodes.add(edge_2[0])
if edge_2[1] not in Motif2merged_nodes:
G2 = merge_nodes(G1, edge_1[1], edge_2[1])
Motif2merged_nodes.add(edge_2[1])
if edge_2[0] not in Motif2merged_nodes:
G11 = merge_nodes(G, edge_1[1], edge_2[0])
if edge_2[1] not in Motif2merged_nodes:
G22 = merge_nodes(G11, edge_1[0], edge_2[1])
patternset.add(G2)
patternset.add(G22)
print G2.nodes()
i += 1
return patternset
def three_hop(Graph):
def hop2(G, A):
hop2_set = set()
for neighbor in G.neighbors(A):
hop2_set.add(neighbor)
for neighbor2 in G.neighbors(neighbor):
hop2_set.add(neighbor2)
return hop2_set
def hop3(G, A):
hop3_set = set()
for neighbor in G.neighbors(A):
hop3_set.add(neighbor)
hop3_set = hop3_set.union(hop2(G, neighbor))
return hop3_set
relations = 0
for node in Graph.nodes():
relations += len(hop3(Graph, node))
return relations/2
def count_loss(Motif_pattern):
loss = 0
for edge in Motif_pattern.edges():
before = three_hop(Motif_pattern)
Motif_pattern.remove_edge(*edge)
loss = before - three_hop(Motif_pattern)
Motif_pattern.add_edge(*edge)
return loss
def Motifsets():
G_1a = nx.Graph()
G_1a.add_edge(1, 2)
G_1a.add_edge(2, 3)
G_1a.add_edge(3, 4)
G_1a.add_edge(4, 1)
G_1b = nx.Graph()
G_1b.add_edge(5, 6)
G_1b.add_edge(6, 7)
G_1b.add_edge(5, 7)
G_2a =nx.Graph()
G_2a.add_edge(8, 9)
G_2a.add_edge(9, 10)
G_2a.add_edge(10, 11)
G_2a.add_edge(11, 12)
G_2a.add_edge(12, 8)
G_2c = nx.Graph()
G_2c.add_edge(13, 14)
G_2c.add_edge(14, 15)
G_2c.add_edge(13, 15)
G_2c.add_edge(15, 16)
G_3 = nx.Graph()
G_3.add_edge(17, 18)
G_3.add_edge(18, 19)
G_3.add_edge(19, 20)
G_3.add_edge(20, 21)
G_3.add_edge(21, 22)
G_3.add_edge(22, 17)
# return set([G_1a, G_1b, G_2a])
return set([G_1a, G_1b, G_2a, G_2c, G_3])
# return set([G_1a, G_1b])
def enumerate2():
allpatterns = set()
Motifset = Motifsets()
for Motif1 in Motifset:
for Motif2 in Motifset:
if len(set(Motif1.nodes()).intersection(Motif2.nodes())) == 0:
for item in patternsets2(Motif1, Motif2):
allpatterns.add(item)
else:
print Motif2.nodes()
print "--->"
node_max = max(max(Motif2.nodes()), max(Motif1.nodes()))
to_list = range(node_max + 1, + node_max + Motif2.number_of_nodes() +1)
print to_list
Motif3 = nx.relabel_nodes(Motif2, mapping=dict(zip(Motif2.nodes(),to_list)))
print Motif3.nodes()
for item in patternsets2(Motif1, Motif3):
allpatterns.add(item)
print len(allpatterns)
patterns_2 = deisomorphism(allpatterns)
return patterns_2
def enumerate3():
patterns_2 = enumerate2()
allpatterns_5_order = set()
for Motif1 in patterns_2:
for Motif2 in Motifset: #ignore warning: seperation of functions.
if len(set(Motif1.nodes()).intersection(Motif2.nodes())) == 0:
for item in patternsets2(Motif1, Motif2):
allpatterns_5_order.add(item)
else:
print Motif2.nodes()
print "--->"
node_max = max(max(Motif2.nodes()), max(Motif1.nodes()))
to_list = range(node_max + 1, + node_max + Motif2.number_of_nodes() +1)
print to_list
Motif3 = nx.relabel_nodes(Motif2, mapping=dict(zip(Motif2.nodes(),to_list)))
print Motif3.nodes()
for item in patternsets2(Motif1, Motif3):
allpatterns_5_order.add(item)
return deisomorphism(allpatterns_5_order)
def worker_all_collapse(Motifset, G_string):
dataG = json.loads(G_string)
Motif2 = json_graph.node_link_graph(dataG)
patternset = set()
for Motif1 in Motifset:
if len(set(Motif1.nodes()).intersection(Motif2.nodes())) == 0:
for item in patternsets2(Motif1, Motif2):
patternset.add(item)
else:
node_max = max(max(Motif2.nodes()), max(Motif1.nodes()))
to_list = range(node_max + 1, + node_max + Motif2.number_of_nodes() +1)
Motif3 = nx.relabel_nodes(Motif2, mapping=dict(zip(Motif2.nodes(),to_list)))
for item in patternsets2(Motif1, Motif3):
if item.size() > 0:
patternset.add(item)
return list(deisomorphism(patternset))
# return list(patternset)
def setcomb(set1, set2):
#not bottleneck operation
all_set = set()
for item in set1:
all_set.add(item)
for item in set2:
all_set.add(item)
return all_set
def clean_up():
try:
subprocess.check_call("hdfs dfs -rm approx3-json", shell=True)
except:
print "no approx3-json file exist"
try:
subprocess.check_call("hdfs dfs -rm -r patterns_queue1", shell=True)
except:
print "no patterns_queue1 file exist"
try:
subprocess.check_call("hdfs dfs -rm -r patterns_queue2", shell=True)
except:
print "no patterns_queue2 file exist"
def main():
clean_up()
sc = SparkContext(appName="Motif_counting")
checkpointDirectory = "~/checkpoints/"
Motifset = Motifsets()
patterns2 = enumerate2()
output_file1 = "/net/data/graph-models/sim-graphs/approx3-json"
output_file_inter = "/net/data/graph-models/sim-graphs/approx5-json-inter"
with open(output_file1, 'w') as fout:
for item in patterns2:
string_item = json.dumps(json_graph.node_link_data(item))
fout.write(string_item + "\n")
broadMotifset = sc.broadcast(Motifset)
subprocess.check_call("hdfs dfs -put /net/data/graph-models/sim-graphs/approx3-json approx3-json", shell=True)
approx3Motifs = sc.textFile("hdfs://scrapper/user/xiaofeng/approx3-json", 192)
#number of partitions
collapsed_patterns = approx3Motifs.flatMap(lambda line: worker_all_collapse(broadMotifset.value, line))\
.map(lambda graph: json.dumps(json_graph.node_link_data(graph)))
#to string
collapsed_patterns.saveAsTextFile("hdfs://scrapper/user/xiaofeng/patterns_queue1")
#save to HDFS, as a text file, and keep using that RDD
collapsed_patterns.unpersist()
non_iso_set = set()
def iso_json(string1,string2):
dataG1 = json.loads(string1)
graph1 = json_graph.node_link_graph(dataG1)
dataG2 = json.loads(string2)
graph2 = json_graph.node_link_graph(dataG2)
# return nx.is_isomorphic(graph1, graph2)
return nx.faster_could_be_isomorphic(graph1, graph2)
###########write to hard disk the queue of elements waiting to be processed
flip = True
counter = 0
counterMax = 0
while True:
if True:
if flip == True:
if counter > counterMax:
if collapsed_patterns.count() < 2:
return 0
povet = collapsed_patterns.take(1)[0]#BROADCAST
povet_broad = sc.broadcast(povet)
non_iso_set.add(povet)
fout_inter = open(output_file_inter, 'a')
fout_inter.write(povet + '\n')
fout_inter.close()
collapsed_patterns_new = collapsed_patterns.filter(lambda x: not iso_json(x, povet_broad.value))
collapsed_patterns.unpersist()
collapsed_patterns_new.saveAsTextFile("hdfs://scrapper/user/xiaofeng/patterns_queue2")
subprocess.check_call("hdfs dfs -rm -r patterns_queue1", shell=True)
collapsed_patterns = sc.textFile("hdfs://scrapper/user/xiaofeng/patterns_queue2")
flip = False
counter = 0
else:
if collapsed_patterns.count() < 2:
return 0
povet = collapsed_patterns.take(1)[0]#BROADCAST
povet_broad = sc.broadcast(povet)
non_iso_set.add(povet)
fout_inter = open(output_file_inter, 'a')
fout_inter.write(povet + '\n')
fout_inter.close()
collapsed_patterns = collapsed_patterns.filter(lambda x: not iso_json(x, povet_broad.value))
counter += 1
else:
if counter > counterMax:
if collapsed_patterns.count() < 2:
return 0
povet = collapsed_patterns.take(1)[0]#BROADCAST
povet_broad = sc.broadcast(povet)
non_iso_set.add(povet)
fout_inter = open(output_file_inter, 'a')
fout_inter.write(povet + '\n')
fout_inter.close()
collapsed_patterns_new = collapsed_patterns.filter(lambda x: not iso_json(x, povet_broad.value))
collapsed_patterns.unpersist()
collapsed_patterns_new.saveAsTextFile("hdfs://scrapper/user/xiaofeng/patterns_queue1")
subprocess.check_call("hdfs dfs -rm -r patterns_queue2", shell=True)
collapsed_patterns = sc.textFile("hdfs://scrapper/user/xiaofeng/patterns_queue1")
flip = True
counter = 0
else:
if collapsed_patterns.count() < 2:
return 0
povet = collapsed_patterns.take(1)[0]#BROADCAST
povet_broad = sc.broadcast(povet)
non_iso_set.add(povet)
fout_inter = open(output_file_inter, 'a')
fout_inter.write(povet + '\n')
fout_inter.close()
collapsed_patterns = collapsed_patterns.filter(lambda x: not iso_json(x, povet_broad.value))
counter += 1
if __name__ == "__main__":
main()
'''
output_file2 = "/net/data/graph-models/sim-graphs/approx5-json"
with open(output_file2, 'w') as fout:
for item in non_iso_set:
fout.write(item + '\n')
#already a string after the format change
# string_item = json.dumps(json_graph.node_link_data(item))
# fout.write(string_item + '\n')
'''