pip install wslPath

conda install -c conda-forge wslPath

import wslPath

# Windows to Posix

## Relative path
pathwin = "hoge\\fuga"
wslPath.to_posix(pathwin)
# -> "hoge/fuga"

## Absolute path
pathwin = "C:\\hoge\\fuga"
wslPath.to_posix(pathwin)
# -> "/mnt/c/hoge/fuga"

# Posix to Windows

## Relative path
pathposix = "hoge/fuga"
wslPath.to_windows(pathposix)
# -> "hoge\\fuga"

## Absolute path
pathposix = "/mnt/c/hoge/fuga"
wslPath.to_windows(pathposix)
# -> "C:\\hoge\\fuga"

# Identify path type (POSIX or Windows)

path = "hoge/fuga"
wslPath.is_posix_path(path)
# -> True

path = "hoge\\fuga"
wslPath.is_posix_path(path)
# -> False

path = "hoge/fuga"
wslPath.is_windows_path(path)
# -> False

path = "hoge\\fuga"
wslPath.is_windows_path(path)
# -> True