diff options
| -rw-r--r-- | numpy/distutils/misc_util.py | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/numpy/distutils/misc_util.py b/numpy/distutils/misc_util.py index 20cbc855a..dcf7cdb92 100644 --- a/numpy/distutils/misc_util.py +++ b/numpy/distutils/misc_util.py @@ -376,10 +376,42 @@ def blue_text(s): ######################### -def cyg2win32(path): - if sys.platform=='cygwin' and path.startswith('/cygdrive'): - path = path[10] + ':' + os.path.normcase(path[11:]) - return path +def cyg2win32(path: str) -> str: + """Convert a path from Cygwin-native to Windows-native. + + Uses the cygpath utility (part of the Base install) to do the + actual conversion. Falls back to returning the original path if + this fails. + + Handles the default ``/cygdrive`` mount prefix as well as the + ``/proc/cygdrive`` portable prefix, custom cygdrive prefixes such + as ``/`` or ``/mnt``, and absolute paths such as ``/usr/src/`` or + ``/home/username`` + + Parameters + ---------- + path : str + The path to convert + + Returns + ------- + converted_path : str + The converted path + + Notes + ----- + Documentation for cygpath utility: + https://cygwin.com/cygwin-ug-net/cygpath.html + Documentation for the C function it wraps: + https://cygwin.com/cygwin-api/func-cygwin-conv-path.html + + """ + if sys.platform != "cygwin": + return path + return subprocess.check_output( + ["/usr/bin/cygpath", "--windows", path], universal_newlines=True + ) + def mingw32(): """Return true when using mingw32 environment. |