【globals()】文字列からクラス生成する

01_file_list

# ファイルが下記のように配置されてるとする
include_script_1.py
include_script_2.py
test_1.py
test_2.py

02 include_script_1.py

class TestInclude1:
  def __init__(self):
    print("TestInclude 1")

  def call(self):
    print("call TestInclude 1")

03 include_script_2.py

class TestInclude2:
  def __init__(self):
    print("TestInclude 2")

  def call(self):
    print("call TestInclude 2")

04 test_1.py

from include_script_1 import TestInclude1
from include_script_2 import TestInclude2

a = 6
b = 4

class Test:
  def __init__(self):
    print("Test class")

Test_cls_ogj = Test()

print(globals())

05 test_1 result

# 実行結果
Test class
{'a': 6, 'b': 4, '__builtins__': <module '__builtin__' (built-in)>, '__file__': 'test_1.py', '__package__': None, 'Test_cls_ogj': <__main__.Test instance at 0x1006ef200>, 'TestInclude1': <class include_script_1.TestInclude1 at 0x1006b6668>, 'TestInclude2': <class include_script_2.TestInclude2 at 0x1006b6600>, 'Test': <class __main__.Test at 0x1006b6598>, '__name__': '__main__', '__doc__': None}
# ↑見にくいのでjsonの形式を整えます。
{
  'a': 6, 
  'b': 4, 
  '__builtins__': <module '__builtin__' (built-in)>, 
  '__file__': 'test_1.py', '__package__': None, 
  'Test_cls_ogj': <__main__.Test instance at 0x1006ef200>, 
  'TestInclude1': <class include_script_1.TestInclude1 at 0x1006b6668>,    #<---インポートしたクラス
  'TestInclude2': <class include_script_2.TestInclude2 at 0x1006b6600>, 　　　　　　#<---インポートしたクラス
  'Test': <class __main__.Test at 0x1006b6598>, 
  '__name__': '__main__', 
  '__doc__': None
}

06 test_2.py

from include_script_1 import TestInclude1
from include_script_2 import TestInclude2

class_name = "TestInclude1"

cls = globals()[class_name]
cls_obj = cls()
cls_obj.call()

print("----")

class_name = "TestInclude2"

cls = globals()[class_name]
cls_obj = cls()
cls_obj.call()

07 test_2 result

TestInclude 1
call TestInclude 1
----
TestInclude 2
call TestInclude 2