Make it configurable whether shutil.copytree copies stat() information

Feature or enhancement

Proposal:

When copying a tree of files, it is sometimes useful for them to have default stat() information (file permissions, mtime and so on), instead of it being copied from the source files, for example when copying files from a read-only location to a temporary location where they may be modified or deleted later, but shutil.copytree unconditionally copies stat() information.

In a script that I wrote, I worked around the lack of this feature by monkey-patching the shutil.copystat function to do nothing, but this is clearly not a robust approach.

Ideally I would like to be able to turn off the stat() copying behavior by passing a named argument to copytree, such as:

shutil.copytree(src, dst, copystat=False)

Has this already been discussed elsewhere?

This is a minor feature, which does not need previous discussion elsewhere

Links to previous discussion of this feature:

No response

まず shutil.copytree と shutil.copystat を読んで、stat 情報がどこでコピーされるのかを理解します。次に、既存の shutil の動作とテストを確認し、コピー時に要求に応じて stat 情報を保持するかスキップできるよう、設定可能な動作を定義します。