amoeba commented on code in PR #45766:
URL: https://github.com/apache/arrow/pull/45766#discussion_r1997061715
##########
python/pyarrow/__init__.py:
##########
@@ -412,14 +412,24 @@ def append_library_dir(library_dir):
append_library_dir(library_dir[2:])
if _sys.platform == 'win32':
+ python_base_install = _os.path.dirname(_sys.executable)
+
# TODO(wesm): Is this necessary, or does setuptools within a conda
# installation add Library\lib to the linker path for MSVC?
- python_base_install = _os.path.dirname(_sys.executable)
library_dir = _os.path.join(python_base_install, 'Library', 'lib')
if _os.path.exists(_os.path.join(library_dir, 'arrow.lib')):
append_library_dir(library_dir)
+ # GH-45530: Add pyarrow.libs dir containing delvewheel-mangled
+ # msvcp140.dll
+ pyarrow_libs_dir = _os.path.join(
+ python_base_install, "Lib", "site-packages", "pyarrow.libs"
+ )
Review Comment:
Thanks!
Delvewheel uses [a
patch](https://github.com/adang1345/delvewheel/blob/c37a82f0f66dd73e0169ff637f7c0ba5b33032c6/delvewheel/_wheel_repair.py#L85-L108)
similar to what @raulcd mentions. From our patched wheel,
```
# start delvewheel patch
def _delvewheel_patch_1_10_0():
import os
if os.path.isdir(libs_dir :=
os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir,
'pyarrow.libs'))):
os.add_dll_directory(libs_dir)
```
I'll try this out.
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