Why Does os.makedirs Fail with Tilde Expansion in Paths?

os.makedirs Encounters Confusion with Tilde Expansion in Paths

The tilde (~) character holds special significance in shell environments, representing the user's home directory. However, when working with Python's os.makedirs function, this notation can present a challenge.

Consider the following code snippet:

my_dir = "~/some_dir"
if not os.path.exists(my_dir):
    os.makedirs(my_dir)

In this case, os.makedirs is expected to create a directory called ~/some_dir. However, the code may fail with an error, as Python does not automatically expand the tilde.

To resolve this issue, it is necessary to perform the tilde expansion manually using the os.path.expanduser function:

my_dir = os.path.expanduser("~/some_dir")

By preprocessing the path with os.path.expanduser, Python will correctly interpret ~/some_dir as the intended location within the user's home directory. This modification ensures that os.makedirs can successfully create the desired directory structure.

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