2020 年兼容 Python 3 的最佳實踐是什么SConstruct？例如，運行 oldSConstruct會出現這樣的錯誤。? python ~/scons/scripts/scons.pyscons: Reading SConscript files ... File "/home/techtonik/Folding@home/fah-control/SConstruct", line 17 except Exception, e: ^SyntaxError: invalid syntax
1 回答
慕的地6264312
TA貢獻1817條經驗 獲得超6個贊
2to3或者modernize應該有幫助。這只是 Python 語法的問題。
2to3隨 Python 一起提供，也可以作為 Python 模塊執行：
python?-m?lib2to3?-w?SConstruct
這是建議的補丁2to3，看起來很?。?/p>
RefactoringTool: Refactored SConstruct
--- SConstruct? (original)
+++ SConstruct? (refactored)
@@ -3,8 +3,8 @@
?env = Environment(ENV = os.environ)
?try:
? ? ?env.Tool('config', toolpath = [os.environ.get('CBANG_HOME')])
-except Exception, e:
-? ? raise Exception, 'CBANG_HOME not set?\n' + str(e)
+except Exception as e:
+? ? raise Exception('CBANG_HOME not set?\n' + str(e))
?
?env.CBLoadTools('packager run_distutils osx fah-client-version')
?env.CBAddVariables(
@@ -14,7 +14,7 @@
?# Version
?try:
? ? ?version = env.FAHClientVersion()
-except Exception, e:
+except Exception as e:
? ? ?print(e)
? ? ?version = '0.0.0'
? ? ?env.Replace(PACKAGE_VERSION = version)
RefactoringTool: Files that need to be modified:
RefactoringTool: SConstruct
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