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#-------------------------------------------------------------------------------
# py3compat.py
#
# Some Python2&3 compatibility code
#-------------------------------------------------------------------------------
import sys
PY3 = sys.version_info[0] == 3
if PY3:
import io
StringIO = io.StringIO
BytesIO = io.BytesIO
def bchr(i):
""" When iterating over b'...' in Python 2 you get single b'_' chars
and in Python 3 you get integers. Call bchr to always turn this
to single b'_' chars.
"""
return bytes((i,))
def u(s):
return s
def int2byte(i):
return bytes((i,))
def byte2int(b):
return b
def str2bytes(s):
return s.encode("latin-1")
def str2unicode(s):
return s
def bytes2str(b):
return b.decode('latin-1')
def decodebytes(b, encoding):
return bytes(b, encoding)
advance_iterator = next
else:
import cStringIO
StringIO = BytesIO = cStringIO.StringIO
int2byte = chr
byte2int = ord
bchr = lambda i: i
def u(s):
return unicode(s, "unicode_escape")
def str2bytes(s):
return s
def str2unicode(s):
return unicode(s, "unicode_escape")
def bytes2str(b):
return b
def decodebytes(b, encoding):
return b.decode(encoding)
def advance_iterator(it):
return it.next()
|
