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#!/usr/bin/python3
import os
import os.path
import sys
from argparse import ArgumentParser
from subprocess import Popen, PIPE
import utils
from myconfig import MyConfig
config = MyConfig()
#change cwd to the libpinyin utils/segment directory
libpinyin_dir = config.getToolsDir()
libpinyin_sub_dir = os.path.join(libpinyin_dir, 'utils', 'segment')
os.chdir(libpinyin_sub_dir)
#chdir done
def handleError(error):
sys.exit(error)
def segmentOneText(infile, outfile, reportfile):
infilestatuspath = infile + config.getStatusPostfix()
infilestatus = utils.load_status(infilestatuspath)
if utils.check_epoch(infilestatus, 'Segment'):
return
#begin processing
cmdline = './ngseg >"' + outfile + '"'
subprocess = Popen(cmdline, shell=True, stdin=PIPE, stderr=PIPE, \
close_fds=True)
with open(infile, 'rb') as f:
subprocess.stdin.writelines(f.readlines())
subprocess.stdin.close()
f.close()
lines = subprocess.stderr.readlines()
if lines:
print('found error report')
with open(reportfile, 'wb') as f:
f.writelines(lines)
f.close()
os.waitpid(subprocess.pid, 0)
#end processing
utils.sign_epoch(infilestatus, 'Segment')
utils.store_status(infilestatuspath, infilestatus)
def handleOneIndex(indexpath):
indexstatuspath = indexpath + config.getStatusPostfix()
indexstatus = utils.load_status(indexstatuspath)
if utils.check_epoch(indexstatus, 'Segment'):
return
#begin processing
indexfile = open(indexpath, 'r')
for oneline in indexfile.readlines():
#remove tailing '\n'
oneline = oneline.rstrip(os.linesep)
(title, textpath) = oneline.split('#')
infile = config.getTextDir() + textpath
outfile = config.getTextDir() + textpath + config.getSegmentPostfix()
reportfile = config.getTextDir() + textpath + \
config.getSegmentReportPostfix()
print("Processing " + title + '#' + textpath)
segmentOneText(infile, outfile, reportfile)
print("Processed "+ title + '#' + textpath)
indexfile.close()
#end processing
utils.sign_epoch(indexstatus, 'Segment')
utils.store_status(indexstatuspath, indexstatus)
def walkThroughIndex(path):
for root, dirs, files in os.walk(path, topdown=True, onerror=handleError):
for onefile in files:
filepath = os.path.join(root, onefile)
if onefile.endswith(config.getIndexPostfix()):
handleOneIndex(filepath)
elif onefile.endswith(config.getStatusPostfix()):
pass
else:
print('Unexpected file:' + filepath)
if __name__ == '__main__':
parser = ArgumentParser(description='Segment all raw corpus documents.')
parser.add_argument('--indexdir', action='store', \
help='index directory', \
default=os.path.join(config.getTextDir(), 'index'))
args = parser.parse_args()
print(args)
walkThroughIndex(args.indexdir)
print('done')
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