/DICK.B1/IronPython/Lib/iptest/type_util.py

#####################################################################################

#

#  Copyright (c) Microsoft Corporation. All rights reserved.

#

# This source code is subject to terms and conditions of the Microsoft Public License. A 

# copy of the license can be found in the License.html file at the root of this distribution. If 

# you cannot locate the  Microsoft Public License, please send an email to 

# ironpy@microsoft.com. By using this source code in any fashion, you are agreeing to be bound 

# by the terms of the Microsoft Public License.

#

# You must not remove this notice, or any other, from this software.

#

#

#####################################################################################



# types derived from built-in types



class myint(int): pass

class mylong(long): pass

class myfloat(float): pass

class mycomplex(complex): pass



class mystr(str): pass



class mytuple(tuple): pass

class mylist(list): pass

class mydict(dict): pass



class myset(set): pass

class myfrozenset(frozenset): pass



import sys



if not sys.platform == 'silverlight':

  class myfile(file): pass



# to define type constant



def _func(): pass

class _class:

    def method(self): pass

    

class types:

    functionType        = type(_func)

    instancemethodType  = type(_class().method)

    classType           = type(_class)

    lambdaType          = type(lambda : 1)



if sys.platform in ['cli', 'silverlight']:

    object_attrs_before_clr_import = dir(object())

    import System

    object_attrs_after_clr_import = dir(object())

    clr_specific_attrs = [attr for attr in object_attrs_after_clr_import

                          if attr not in object_attrs_before_clr_import]

    

    def remove_clr_specific_attrs(attr_list):

        return [attr for attr in attr_list if attr not in clr_specific_attrs]

    

    # CLR array shortcut

    array_cli       = System.Array

    array_int       = System.Array[int]

    array_long      = System.Array[long]

    array_object    = System.Array[object]

    array_byte      = System.Array[System.Byte]

    

    # sample numberes?

    clr_signed_types = (System.SByte, System.Int16, System.Int32, System.Int64, System.Decimal, System.Single, System.Double)

    clr_unsigned_types = (System.Byte, System.UInt16, System.UInt32, System.UInt64)

    clr_all_types = clr_signed_types + clr_unsigned_types

    

    clr_all_plus1  = [t.Parse("1") for t in clr_all_types]

    clr_all_minus1 = [t.Parse("-1") for t in clr_signed_types]

    clr_all_max    = [t.MaxValue for t in clr_all_types]

    clr_all_min    = [t.MinValue for t in clr_all_types]

    

    clr_numbers = {}

    for t in clr_all_types:

        clr_numbers[t.__name__ + "Max"] = t.MaxValue

        clr_numbers[t.__name__ + "Min"] = t.MinValue

        clr_numbers[t.__name__ + "PlusOne"] = t.Parse("1")

        if not t in clr_unsigned_types:

            clr_numbers[t.__name__ + "MinusOne"] = t.Parse("-1")

        

if __name__ == '__main__':

    # for eye check

    for x in dir(types):

        print "%-25s : %r" % (x, getattr(types, x))