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py3k: Use isinstance for numbers and sequences

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operator.isNumberType() and .isSequenceType() go away in py3k.
This commit is contained in:
Brian Crowell 2012-10-15 21:13:49 -05:00 committed by Brian Crowell
parent eed042fae5
commit da1d715b8e
1 changed files with 6 additions and 7 deletions
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13
PIL/Image.py
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@ -72,6 +72,7 @@ import os, sys
# type stuff
from types import IntType, StringType, TupleType
import collections
import numbers
try:
UnicodeStringType = type(unicode(""))
@ -104,8 +105,6 @@ def isImageType(t):
def isDirectory(f):
return isStringType(f) and os.path.isdir(f)
from operator import isNumberType, isSequenceType
#
# Debug level
@ -414,15 +413,15 @@ def _getscaleoffset(expr):
data = expr(_E(stub)).data
try:
(a, b, c) = data # simplified syntax
if (a is stub and b == "__mul__" and isNumberType(c)):
if (a is stub and b == "__mul__" and isinstance(c, numbers.Number)):
return c, 0.0
if (a is stub and b == "__add__" and isNumberType(c)):
if (a is stub and b == "__add__" and isinstance(c, numbers.Number)):
return 1.0, c
except TypeError: pass
try:
((a, b, c), d, e) = data # full syntax
if (a is stub and b == "__mul__" and isNumberType(c) and
d == "__add__" and isNumberType(e)):
if (a is stub and b == "__mul__" and isinstance(c, numbers.Number) and
d == "__add__" and isinstance(e, numbers.Number)):
return c, e
except TypeError: pass
raise ValueError("illegal expression")
@ -1122,7 +1121,7 @@ class Image:
if isinstance(lut, ImagePointHandler):
return lut.point(self)
if not isSequenceType(lut):
if not isinstance(lut, collections.Sequence):
# if it isn't a list, it should be a function
if self.mode in ("I", "I;16", "F"):
# check if the function can be used with point_transform