Python Pip Install Failures

No such file or directory

try to install xformers on windows:

pip install xformers --no-cache-dir

will get failures and return log below:

ERROR: Could not install packages due to an EnvironmentError: [Errno 2] No such file or directory: 'C:\\Users\\${USER_NAME}\\AppData\\Local\\Temp\\pip-install-nvqtau0n\\xformers_24073257b15f4452bc121be8b9c1f8f2\\third_party/flash-attention/csrc/composable_kernel/client_example/24_grouped_conv_activation/grouped_convnd_bwd_data_bilinear/grouped_conv_bwd_data_bilinear_residual_fp16.cpp'

fail log

how to fix

1. press Windows + R and key regedit and enter
2. Open this path"Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem"
3. Looking for LongPathsEnabled : change the value from 0 to 1

regedit

Reference

-errno-2-no-such-file -errno-2-no-such-file