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Shorten path on image build if needed (Windows with no long path supp…
…ort) Signed-off-by: Bernát Gábor <bgabor8@bloomberg.net>
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Bump embed pip to ``20.3.3``, setuptools to ``51.1.0`` and wheel to ``0.36.2`` - by :user:`gaborbernat`. |
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def get_short_path_name(long_name): | ||
""" | ||
Gets the short path name of a given long path. | ||
http://stackoverflow.com/a/23598461/200291 | ||
""" | ||
import ctypes | ||
from ctypes import wintypes | ||
|
||
_GetShortPathNameW = ctypes.windll.kernel32.GetShortPathNameW | ||
_GetShortPathNameW.argtypes = [wintypes.LPCWSTR, wintypes.LPWSTR, wintypes.DWORD] | ||
_GetShortPathNameW.restype = wintypes.DWORD | ||
output_buf_size = 0 | ||
while True: | ||
output_buf = ctypes.create_unicode_buffer(output_buf_size) | ||
needed = _GetShortPathNameW(long_name, output_buf, output_buf_size) | ||
if output_buf_size >= needed: | ||
return output_buf.value | ||
else: | ||
output_buf_size = needed |
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