forked from scikit-learn/scikit-learn
/
vendor.py
130 lines (101 loc) · 4.51 KB
/
vendor.py
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"""Embed vcomp140.dll, vcruntime140.dll and vcruntime140_1.dll.
Note that vcruntime140_1.dll is only required (and available)
for 64-bit architectures.
"""
import os
import os.path as op
import shutil
import sys
import textwrap
TARGET_FOLDER = op.join("sklearn", ".libs")
DISTRIBUTOR_INIT = op.join("sklearn", "_distributor_init.py")
VCOMP140_SRC_PATH = "C:\\Windows\\System32\\vcomp140.dll"
VCRUNTIME140_SRC_PATH = "C:\\Windows\\System32\\vcruntime140.dll"
VCRUNTIME140_1_SRC_PATH = "C:\\Windows\\System32\\vcruntime140_1.dll"
MSVCP140_SRC_PATH = "C:\\Windows\\System32\\msvcp140.dll"
def make_distributor_init_64_bits(
distributor_init,
vcomp140_dll_filename,
vcruntime140_dll_filename,
vcruntime140_1_dll_filename,
msvcp140_dll_filename,
):
"""Create a _distributor_init.py file for 64-bit architectures.
This file is imported first when importing the sklearn package
so as to pre-load the vendored vcomp140.dll, vcruntime140.dll,
vcruntime140_1.dll and msvcp140.dll.
"""
with open(distributor_init, "wt") as f:
f.write(
textwrap.dedent(
"""
'''Helper to preload vcomp140.dll, vcruntime140.dll and
vcruntime140_1.dll to prevent "not found" errors.
Once vcomp140.dll, vcruntime140.dll and vcruntime140_1.dll are
preloaded, the namespace is made available to any subsequent
vcomp140.dll, vcruntime140.dll and vcruntime140_1.dll. This is
created as part of the scripts that build the wheel.
'''
import os
import os.path as op
from ctypes import WinDLL
if os.name == "nt":
# Load vcomp140.dll, vcruntime140.dll and vcruntime140_1.dll
libs_path = op.join(op.dirname(__file__), ".libs")
vcomp140_dll_filename = op.join(libs_path, "{0}")
vcruntime140_dll_filename = op.join(libs_path, "{1}")
vcruntime140_1_dll_filename = op.join(libs_path, "{2}")
msvcp140_dll_filename = op.join(libs_path, "{3}")
WinDLL(op.abspath(vcomp140_dll_filename))
WinDLL(op.abspath(vcruntime140_dll_filename))
WinDLL(op.abspath(vcruntime140_1_dll_filename))
WinDLL(op.abspath(msvcp140_dll_filename))
""".format(
vcomp140_dll_filename,
vcruntime140_dll_filename,
vcruntime140_1_dll_filename,
msvcp140_dll_filename,
)
)
)
def main(wheel_dirname):
"""Embed vcomp140.dll, vcruntime140.dll and vcruntime140_1.dll."""
if not op.exists(VCOMP140_SRC_PATH):
raise ValueError(f"Could not find {VCOMP140_SRC_PATH}.")
if not op.exists(VCRUNTIME140_SRC_PATH):
raise ValueError(f"Could not find {VCRUNTIME140_SRC_PATH}.")
if not op.exists(VCRUNTIME140_1_SRC_PATH):
raise ValueError(f"Could not find {VCRUNTIME140_1_SRC_PATH}.")
if not op.exists(MSVCP140_SRC_PATH):
raise ValueError(f"Could not find {MSVCP140_SRC_PATH}.")
if not op.isdir(wheel_dirname):
raise RuntimeError(f"Could not find {wheel_dirname} file.")
vcomp140_dll_filename = op.basename(VCOMP140_SRC_PATH)
vcruntime140_dll_filename = op.basename(VCRUNTIME140_SRC_PATH)
vcruntime140_1_dll_filename = op.basename(VCRUNTIME140_1_SRC_PATH)
msvcp140_dll_filename = op.basename(MSVCP140_SRC_PATH)
target_folder = op.join(wheel_dirname, TARGET_FOLDER)
distributor_init = op.join(wheel_dirname, DISTRIBUTOR_INIT)
# Create the "sklearn/.libs" subfolder
if not op.exists(target_folder):
os.mkdir(target_folder)
print(f"Copying {VCOMP140_SRC_PATH} to {target_folder}.")
shutil.copy2(VCOMP140_SRC_PATH, target_folder)
print(f"Copying {VCRUNTIME140_SRC_PATH} to {target_folder}.")
shutil.copy2(VCRUNTIME140_SRC_PATH, target_folder)
print(f"Copying {VCRUNTIME140_1_SRC_PATH} to {target_folder}.")
shutil.copy2(VCRUNTIME140_1_SRC_PATH, target_folder)
print(f"Copying {MSVCP140_SRC_PATH} to {target_folder}.")
shutil.copy2(MSVCP140_SRC_PATH, target_folder)
# Generate the _distributor_init file in the source tree
print("Generating the '_distributor_init.py' file.")
make_distributor_init_64_bits(
distributor_init,
vcomp140_dll_filename,
vcruntime140_dll_filename,
vcruntime140_1_dll_filename,
msvcp140_dll_filename,
)
if __name__ == "__main__":
_, wheel_file = sys.argv
main(wheel_file)