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Python 类型错误:';非类型';对象是不可编辑的_Python_Typeerror_Non Type - Fatal编程技术网

Python 类型错误:';非类型';对象是不可编辑的

Python 类型错误:';非类型';对象是不可编辑的,python,typeerror,non-type,Python,Typeerror,Non Type,我在maya 2012中遇到此错误,不确定如何修复,我试图让python在搜索文件夹中的其他文件时忽略init文件。如有任何建议,将不胜感激 Error: 'NoneType' object is not iterable Traceback (most recent call last): File "<maya console>", line 18, in <module> File "E:/3D/maya/2012-x64/scripts/RiggingTo

我在maya 2012中遇到此错误,不确定如何修复,我试图让python在搜索文件夹中的其他文件时忽略init文件。如有任何建议,将不胜感激

Error: 'NoneType' object is not iterable
Traceback (most recent call last):
  File "<maya console>", line 18, in <module>
  File "E:/3D/maya/2012-x64/scripts/RiggingTool/Modules\System\blueprint_UI.py" line 28, in __init__
    self.initialiseModuleTab(tabHeight, tabWidth)
  File "E:/3D/maya/2012-x64/scripts/RiggingTool/Modules\System\blueprint_UI.py", line 50, in initialiseModuleTab
    for module in utils.findAllModules("Modules/Blueprint"):
  File "E:/3D/maya/2012-x64/scripts/RiggingTool/Modules\System\utils.py", line 8, in findAllModules
    for file in allPyFiles:
TypeError: 'NoneType' object is not iterable
在文件夹中搜索文件的代码:

def findAllModules(relativeDirectory):
    # Search the relative directory for all available modules
    # Return a list of all module names (excluding the ".py" extension)
    allPyFiles = findAllFiles(relativeDirectory, ".py") 

    returnModules = []

    for file in allPyFiles:
        if file != "__init__":
            returnModules.append(file)

    return returnModules    


def findAllFiles(relativeDirectory, fileExtension):
    # Search the relative directory for all files with the given extension
    # Return a list of all file names, excluding the file extension
    import os

    fileDirectory = os.environ["RIGGING_TOOL_ROOT"] + "/" + relativeDirectory + "/"

    allFiles = os.listdir(fileDirectory)

    # refine all files, listing only those of the specified file extension
    returnFiles = []
    for f in allFiles:
        splitString = str(f).rpartition(fileExtension)

        if not splitString[1] == "" and splitString[2] == "":
            returnFiles.append(splitString[0])


      print returnFiles
当我在main中添加此代码时,它会中断

  for module in utils.findAllModules("Modules/Blueprint"):
同样在
\uuuu init\uuuu
文件搜索代码中,如果我添加底部代码,我会得到错误

returnModules = []

for file in allPyFiles:
    if file != "__init__":
        returnModules.append(file)

return returnModules

我不确定我是如何得到非类型错误的,因为下面两个代码对我来说是正确的。有人能帮我吗?

print returnFiles
更改为
returnFiles

print returnFiles
更改为
returnFiles
您没有从
findAllFiles()
,所以它返回的是
None
——这是不可编辑的。

您没有从
findAllFiles()
返回
returnFiles
,所以它返回的是
None
——这是不可编辑的

returnModules = []

for file in allPyFiles:
    if file != "__init__":
        returnModules.append(file)

return returnModules