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"""
Python 3 compatibility tools.
"""
__all__ = ['bytes', 'asbytes', 'isfileobj', 'getexception', 'strchar',
'asunicode']
import sys
if sys.version_info[0] >= 3:
import io
bytes = bytes
def asbytes(s):
if isinstance(s, bytes):
return s
return s.encode('iso-8859-1')
asunicode = str
def isfileobj(f):
return isinstance(f, io.IOBase)
strchar = 'U'
else:
bytes = str
asbytes = str
strchar = 'S'
def isfileobj(f):
return isinstance(f, file)
def asunicode(s):
if isinstance(s, unicode):
return s
return s.decode('iso-8859-1')
def getexception():
return sys.exc_info()[1]
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