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import logging
import shlex
import sys
import unicodedata
log = logging.getLogger(__name__)
PY3 = sys.version_info[0] >= 3
if PY3:
string_types = str,
else:
string_types = basestring,
class EasyProcessUnicodeError(Exception):
pass
def split_command(cmd):
'''
- cmd is string list -> nothing to do
- cmd is string -> split it using shlex
:param cmd: string ('ls -l') or list of strings (['ls','-l'])
:rtype: string list
'''
if not isinstance(cmd, string_types):
# cmd is string list
pass
else:
if not PY3:
# cmd is string
# The shlex module currently does not support Unicode input (in
# 2.x)!
if isinstance(cmd, unicode):
try:
cmd = unicodedata.normalize(
'NFKD', cmd).encode('ascii', 'strict')
except UnicodeEncodeError:
raise EasyProcessUnicodeError('unicode command "%s" can not be processed.' % cmd +
'Use string list instead of string')
log.debug('unicode is normalized')
cmd = shlex.split(cmd)
return cmd
def uniencode(s):
if PY3:
pass
# s=s.encode()
else:
if isinstance(s, unicode):
s = s.encode('utf-8')
return s
def unidecode(s):
if PY3:
s = s.decode()
else:
if isinstance(s, str):
s = s.decode('utf-8', 'ignore')
return s