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#!/usr/bin/python3
import os
import os.path
import subprocess
import utils
from myconfig import MyConfig
config = MyConfig()
#change cwd to the libpinyin utils/training directory
libpinyin_dir = config.getToolsDir()
libpinyin_sub_dir = os.path.join(libpinyin_dir, 'utils', 'training')
os.chdir(libpinyin_sub_dir)
#chdir done
def handleError(error):
sys.exit(error)
#Note: all file passed here should be trained.
def generateOneText(infile, modelfile, reportfile):
infilestatuspath = infile + config.getStatusPostfix()
infilestatus = utils.load_status(infilestatuspath)
if not utils.check_epoch(infilestatus, 'Segment'):
raise utils.EpochError('Please segment first.\n')
if utils.check_epoch(infilestatus, 'Generate'):
return
#begin processing
cmdline = ['./gen_k_mixture_model', '--maximum-occurs-allowed', \
config.getMaximumOccurs(), \
'--maximum-increase-rates-allowed', \
config.getMaximumIncreaseRates(), \
'--k-mixture-model-file', \
modelfile, infile + \
config.getSegmentPostfix()]
subprocess = Popen(cmdline, shell=False, stderr=PIPE, \
close_fds=True)
lines = subprocess.stderr.readlines()
if lines:
print('found error report')
with open(reportfile, 'ab') as f:
f.writelines(lines)
f.close()
os.waitpid(subprocess.pid, 0);
#end processing
utils.sign_epoch(infilestatus, 'Generate')
utils.store_status(infilestatuspath, infilestatus)
#Note: should check the corpus file size, and skip the too small text file.
def handleOneIndex(indexpath, subdir, indexname):
print(indexpath, subdir, indexname)
indexstatuspath = indexpath + config.getStatusPostfix()
indexstatus = utils.load_status(indexstatuspath)
if not utils.check_epoch(indexstatus, 'Segment'):
raise utils.EpochError('Please segment first.\n')
if utils.check_epoch(indexstatus, 'Generate'):
return
#continue generating
textnum, modelnum, aggmodelsize = 0, 0, 0
if 'GenerateTextEnd' in indexstatus:
textnum = indexstatus['GenerateTextEnd']
if 'GenerateModelEnd' in indexstatus:
modelnum = indexstatus['GenerateModelEnd']
#begin processing
indexfile = open(indexpath, 'r')
for i, oneline in enumerate(indexfile.readlines()):
#continue last generating
if i < textnum:
continue
#remove trailing '\n'
oneline = oneline.rstrip(os.linesep)
(title, textpath) = oneline.split('#')
infile = config.getTextDir() + textpath
infilesize = utils.get_file_length(infile)
if infilesize < config.getMinimumFileSize():
print("Skipping " + title + '#' + textpath)
continue
aggmodelsize += infilesize
modeldir = os.path.join(config.getModelDir(), subdir, indexname)
os.makedirs(modeldir, exist_ok=True)
modelfile = os.path.join(modeldir, \
config.getCandidateModelName(modelnum))
reportfile = modelfile + config.getReportPostfix()
print("Proccessing " + title + '#' + textpath)
generateOneText(infile, modelfile, reportfile)
print("Processed " + title + '#' + textpath)
if aggmodelsize > config.getCandidateModelSize():
nexttextnum = i + 1
#store model info in status file
modelstatuspath = modelfile + config.getStatusPostfix()
#create None status
modelstatus = {}
modelstatus['GenerateStart'] = textnum
modelstatus['GenerateEnd'] = nexttextnum
utils.sign_epoch(modelstatus, 'Generate')
utils.store_status(modelstatuspath, modelstatus)
#new model candidate
aggmodelsize = 0
textnum = nexttextnum
modelnum++
modeldir = os.path.join(config.getModelDir(), subdir, indexname)
modelfile = os.path.join(modeldir, \
config.getCandidateModelName(modelnum))
reportfile = modelfile + config.getReportPostfix()
if os.access(modelfile, os.F_OK):
os.unlink(modelfile)
if os.access(reportfile, os.F_OK):
os.unlink(reportfile)
#save current process in status file
indexstatus['GenerateTextEnd'] = nexttextnum
indexstatus['GenerateModelEnd'] = modelnum
utils.store_status(indexstatuspath, indexstatus)
pass
indexfile.close()
#end processing
utils.sign_epoch(indexstatus, 'Generate')
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)
indexpostfix = config.getIndexPostfix()
if onefile.endswith(indexpostfix):
subdir = os.path.relpath(root, path)
indexname = onefile[:-len(indexpostfix)]
handleOneIndex(filepath, subdir, indexname)
elif onefile.endswith(config.getStatusPostfix()):
pass
else:
print('Unexpected file:' + filepath)
if __name__ == '__main__':
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