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sample.py
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sample.py
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#!/usr/bin/env python
#encoding: utf-8
import os
import random
import sys
from _heapq import heappush, heapreplace
import imp
imp.reload(sys)
sys.setdefaultencoding('utf-8')
random.seed(1)
# 采样 BLLIP, 每一种关系都取 K
def sample(data_path, k=10000):
level1_senses = [
"Comparison",
"Contingency",
"Expansion",
"Temporal"
]
for level1_sense in level1_senses:
print("for %s ..." % level1_sense)
with open("%s/%s/train/arg1.tok.full" % (data_path, level1_sense)) as fin_arg1, \
open("%s/%s/train/arg2.tok.full" % (data_path, level1_sense)) as fin_arg2, \
open("%s/%s/train/label.full" % (data_path, level1_sense)) as fin_label, \
open("%s/%s/train/sense.full" % (data_path, level1_sense)) as fin_sense, \
open("%s/%s/train/arg1.tok.%d" % (data_path, level1_sense, k), "w") as fout_arg1, \
open("%s/%s/train/arg2.tok.%d" % (data_path, level1_sense, k), "w") as fout_arg2, \
open("%s/%s/train/label.%d" % (data_path, level1_sense, k), "w") as fout_label, \
open("%s/%s/train/sense.%d" % (data_path, level1_sense, k), "w") as fout_sense:
H = []
for arg1, arg2, label, sense in zip(fin_arg1, fin_arg2, fin_label, fin_sense):
x = (arg1.strip(), arg2.strip(), label.strip(), sense.strip())
r = random.random()
if len(H) < k:
heappush(H, (r, x))
elif r > H[0][0]:
heapreplace(H, (r, x))
for (r, x) in H:
# by negating the id, the reducer receives the elements from highest to lowest
arg1, arg2, label, sense = x
fout_arg1.write("%s\n" % arg1)
fout_arg2.write("%s\n" % arg2)
fout_label.write("%s\n" % label)
fout_sense.write("%s\n" % sense)
# arg1
cmd = "cd %s ; rm arg1.tok; ln -s arg1.tok.%d arg1.tok; cd -" % ("%s/%s/train" % (data_path, level1_sense), k)
os.system(cmd)
# arg2
cmd = "cd %s ; rm arg2.tok; ln -s arg2.tok.%d arg2.tok; cd -" % ("%s/%s/train" % (data_path, level1_sense), k)
os.system(cmd)
# label
cmd = "cd %s ; rm label; ln -s label.%d label; cd -" % ("%s/%s/train" % (data_path, level1_sense), k)
os.system(cmd)
# sense
cmd = "cd %s ; rm sense; ln -s sense.%d sense; cd -" % ("%s/%s/train" % (data_path, level1_sense), k)
os.system(cmd)
if __name__ == '__main__':
data_path = "data/BLLIP_exp"
sample(data_path, k=10000)