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#!/usr/bin/env python2.7
import sys
import os
fg_weight = float(os.environ.get("fg_weight", 0))
max_check = int(os.environ.get("max_check", 0))
def main():
if(len(sys.argv) == 3):
fg_count_fn = sys.argv[1]
bg_count_fn = sys.argv[2]
else:
sys.stderr.write("please specify your inputs\n")
sys.stderr.write("ex: select_mers.py fg_counts bg_count\n")
exit(1)
# mers dictionary:
#
# Key: mer name, eg AAAACT
# Value: fg_mer_count, bg_mer_count
mers = {}
fg_count_fh = open(fg_count_fn, "r")
bg_count_fh = open(bg_count_fn, "r")
# copy in our foreground mers and counts into mers dictionary
for line in fg_count_fh:
(mer, count) = line.split()
mers[mer] = [float(count), 1.0]
for line in bg_count_fh:
(mer, count) = line.split()
if mer in mers:
mers[mer][1] = float(count)
score = []
for mer in mers:
score.append([mer, (mers[mer][0] / mers[mer][1]) * (mers[mer][0]**fg_weight)])
sorted_scored_mers = sorted(score, key=lambda x: x[1])
sys.stdout.write('#MERS\tFG_COUNT\tBG_COUNT\tSCORE\n')
for scores in sorted_scored_mers:
sys.stdout.write(scores[0] + '\t' + str(int(mers[scores[0]][0])) + '\t' + str(int(mers[scores[0]][1])) + '\t' + str(scores[1])+ '\n')
if __name__ == "__main__":
sys.exit(main())
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