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# -*- coding: utf-8 -*-
import os
import platform
import sys
from PyQt4.QtGui import QFileDialog
from util import (
doAlert,
doQuestion,
)
class Moses():
def __init__(self):
pass
def findRegistryPath(self):
import _winreg
key = None
path = None
try:
reg = _winreg.ConnectRegistry(None, _winreg.HKEY_CURRENT_USER)
key = _winreg.OpenKey(
reg, r'Software\Moses Core Team\MosesDecoder')
value, type = _winreg.QueryValueEx(key, 'Path')
path = value
except Exception, e:
print >> sys.stderr, str(e)
return None
finally:
if key:
_winreg.CloseKey(key)
return path
def checkMosesInstall(self):
for func in (self.getMosesCmd, self.getTokenizer, self.getDetokenizer, self.getTruecase, self.getDetruecase):
if not os.path.exists(func()):
doAlert(
"Missing executables in Moses installation path [%s], "
"exit." % self.mosesPath)
return False
return True
def detect(self):
pf = platform.system()
if pf == 'Windows':
self.mosesPath = self.findRegistryPath()
if self.mosesPath:
return self.checkMosesInstall()
else:
if not doQuestion(
'Cannot find Moses installation, click "Yes" to '
'manually set the Moses path, click "No" to exit.'):
return False
# If not found, use a dialog.
startdir = 'C:\\'
if "ProgramFiles(x86)" in os.environ:
startdir = os.environ["ProgramFiles(x86)"]
elif "ProgramFiles" in os.environ:
startdir = os.environ["ProgramFiles"]
else:
pass
dialog = QFileDialog(None, directory=startdir)
dialog.setFileMode(QFileDialog.Directory)
dialog.setViewMode(QFileDialog.Detail)
dialog.setOptions(QFileDialog.ShowDirsOnly)
if dialog.exec_():
self.mosesPath = str(dialog.selectedFiles()[0])
return self.checkMosesInstall()
else:
doAlert("Failed to find Moses Installation path, exit.")
return False
else:
doAlert("Platform %s not supported yet" % pf)
return False
def getMosesCmd(self):
return os.path.join(self.mosesPath, 'moses-cmd.exe')
def getTokenizer(self):
return os.path.join(self.mosesPath, 'tokenizer.exe')
def getDetokenizer(self):
return os.path.join(self.mosesPath, 'detokenizer.exe')
def getTruecase(self):
return os.path.join(self.mosesPath, 'truecase.exe')
def getDetruecase(self):
return os.path.join(self.mosesPath, 'detruecase.exe')
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