BOSWatch/includes/helper/uft8Converter.py
2015-07-14 16:49:14 +02:00

76 lines
1.9 KiB
Python

#!/usr/bin/python
# -*- coding: UTF-8 -*-
#
"""
little Helper for converting strings
@author: Jens Herrmann
"""
import logging
def convertToUTF8(string = ""):
"""
Returns given string in UTF-8
@type string: String
@param string: String to convert to UTF-8
@return: string in UTF-8
@exception: Exception if converting to UTF-8 failed
"""
uft8String = ""
# nothing to do if string is empty
if len(string) > 0:
try:
# check given string is already UTF-8, return
return string.decode('UTF-8', 'strict')
except UnicodeDecodeError:
# string contains non-UTF-8 character
logging.debug("string contains non-UTF-8 characters: %s", string)
# try to find out encoding:
encodings = ('windows-1250', 'windows-1252', 'latin_1', 'cp850', 'cp852', 'iso8859_2', 'iso8859_15', 'mac_latin2', 'mac_roman')
for enc in encodings:
try:
string = string.decode(enc)
logging.debug("string was encoded in: %s", enc)
break
except Exception:
# if exception for last encoding entry fail, raise exception
if enc == encodings[-1]:
logging.warning("no encoding found")
logging.debug("no encoding found", exc_info=True)
# no fixing possible, raise exception
raise
pass
# string should now decoded...
try:
# encode decoded string to UTF-8
uft8String = string.encode('UTF-8')
except:
logging.warning("encoding to UTF-8 failed")
logging.debug("encoding to UTF-8 failed", exc_info=True)
# no fixing possible, raise exception
raise
# Now we must have an utf8-string, check it:
try:
uft8String.decode('UTF-8', 'strict')
logging.debug("string converting succeeded: %s", uft8String)
except:
logging.warning("converting to UTF-8 failed")
logging.debug("converting to UTF-8 failed", exc_info=True)
# no fixing possible, raise exception
raise
# End of exception: check given string is already UTF-8
pass
return uft8String