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#!/usr/bin/python3
import os
import sys
from argparse import ArgumentParser
items = []
arraycount = {}
unigram = {}
phrases = {}
seen_in_unigram = set()
def writeRestUnigram(outfile):
# Write out
for token, count in arraycount.items():
if token in seen_in_unigram:
pass
else:
string = phrases[token]
count = unigram[token] if token in unigram else 0
inline = "\item {0} {1} count {2}".format(token, string, count)
outline = writeUnigramItem(inline)
outfile.writelines([outline, os.linesep])
for token, freq in unigram.items():
if token in seen_in_unigram:
pass
else:
string = phrases[token]
count = unigram[token]
inline = "\item {0} {1} count {2}".format(token, string, count)
outline = writeUnigramItem(inline)
outfile.writelines([outline, os.linesep])
def parseUnigramItem(oneline):
assert oneline.startswith("\\item")
def parseBigramItem(oneline):
assert oneline.startswith("\\item")
(linetype, firsttoken, firststring,
secondtoken, secondstring, tagcount, count) = oneline.split(" ")
assert linetype == "\\item"
assert tagcount == "count"
firsttoken = int(firsttoken)
secondtoken = int(secondtoken)
count = int(count)
items.append((firsttoken, secondtoken, count))
if firsttoken in arraycount:
arraycount[firsttoken] += count
else:
arraycount[firsttoken] = count
if secondtoken in unigram:
unigram[secondtoken] += count
else:
unigram[secondtoken] = count
# save in phrases
if firsttoken in phrases:
assert firststring == phrases[firsttoken]
else:
phrases[firsttoken] = firststring
if secondtoken in phrases:
assert secondstring == phrases[secondtoken]
else:
phrases[secondtoken] = secondstring
def parseHeader(oneline):
assert oneline == "\\data model interpolation"
def parseEnd(oneline):
assert oneline == "\\end"
def parseBody(infile):
state = None
for oneline in infile.readlines():
oneline = oneline.rstrip(os.linesep)
if oneline.startswith("\\data"):
parseHeader(oneline)
continue
if oneline.startswith("\\1-gram"):
state = "1-gram"
continue
if oneline.startswith("\\2-gram"):
state = "2-gram"
continue
if oneline.startswith("\\end"):
state = None
parseEnd(oneline)
continue
if oneline.startswith("\\item"):
if "1-gram" == state:
parseUnigramItem(oneline)
continue
if "2-gram" == state:
parseBigramItem(oneline)
continue
def writeUnigramItem(inline):
assert inline.startswith("\\item")
(linetype, token, string, tagcount, count) = inline.split(" ")
assert linetype == "\\item"
assert tagcount == "count"
token = int(token)
oldfreq = int(count)
count = 0
if token in arraycount:
count = arraycount[token]
freq = 0
if token in unigram:
freq = unigram[token]
assert oldfreq == freq
outline = "\\item {0} {1} count {2} freq {3}".format(
token, string, count, freq)
# write out already
seen_in_unigram.add(token)
return outline
def writeBigramItem(inline):
assert inline.startswith("\\item")
(linetype, firsttoken, firststring, secondtoken, secondstring, tagcount, count) = inline.split(" ")
assert linetype == "\\item"
assert tagcount == "count"
firsttoken = int(firsttoken)
secondtoken = int(secondtoken)
count = int(count)
T = count
N_n_0 = 1
n_1 = 1 if count == 1 else 0
Mr = count
outline = "\\item {0} {1} {2} {3} count {4} T {5} N_n_0 {6} n_1 {7} Mr {8}".format(firsttoken, firststring, secondtoken, secondstring, count, T, N_n_0, n_1, Mr)
return outline
def writeHeader(inline):
assert inline == "\\data model interpolation"
count = sum([x[2] for x in items])
N = 1
total_freq = count
outline = "\data model \"k mixture model\" count {0} N {1} total_freq {2}".format(count, N, total_freq)
return outline
def writeEnd(inline):
assert inline == "\\end"
outline = "\\end"
return outline
def writeBody(infile, outfile):
state = None
for inline in infile.readlines():
inline = inline.rstrip(os.linesep)
if inline.startswith("\\data"):
outline = writeHeader(inline)
outfile.writelines([outline, os.linesep])
continue
if inline.startswith("\\1-gram"):
state = "1-gram"
outline = "\\1-gram"
outfile.writelines([outline, os.linesep])
# write the <start> tag value
outline = writeUnigramItem("\item 1 <start> count 0")
outfile.writelines([outline, os.linesep])
continue
if inline.startswith("\\2-gram"):
# assume \2-gram is after \1-gram
writeRestUnigram(outfile)
state = "2-gram"
outline = "\\2-gram"
outfile.writelines([outline, os.linesep])
continue
if inline.startswith("\\end"):
state = None
outline = writeEnd(inline)
outfile.writelines([outline, os.linesep])
continue
if inline.startswith("\\item"):
if "1-gram" == state:
outline = writeUnigramItem(inline)
outfile.writelines([outline, os.linesep])
continue
if "2-gram" == state:
outline = writeBigramItem(inline)
outfile.writelines([outline, os.linesep])
continue
if __name__ == '__main__':
parser = ArgumentParser(description='Simple converter.')
parser.add_argument('infile', help='input file')
parser.add_argument('outfile', help='output file')
args = parser.parse_args()
print(args)
infile = open(args.infile, "r")
parseBody(infile)
infile.close()
infile = open(args.infile, "r")
outfile = open(args.outfile, "w")
writeBody(infile, outfile)
outfile.close()
infile.close()
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