From c73be84d8ec6ac71dfdaa71b7943ae344f5d7cde Mon Sep 17 00:00:00 2001
From: Vinicius Monego <monego@posteo.net>
Date: Tue, 1 Jun 2021 00:24:38 -0300
Subject: [PATCH] Use system lib_lightgbm.

---
 python-package/lightgbm/libpath.py |  4 ++++
 python-package/setup.py            | 12 ++++++++----
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/python-package/lightgbm/libpath.py b/python-package/lightgbm/libpath.py
index 6533792..27af2b9 100644
--- a/python-package/lightgbm/libpath.py
+++ b/python-package/lightgbm/libpath.py
@@ -17,8 +17,12 @@ def find_lib_path() -> List[str]:
         # we don't need lib_lightgbm while building docs
         return []
 
+    # This variable will be set during substitution.
+    lib_lightgbm_path = ''
+
     curr_path = os.path.dirname(os.path.abspath(os.path.expanduser(__file__)))
     dll_path = [curr_path,
+                lib_lightgbm_path,
                 os.path.join(curr_path, '../../'),
                 os.path.join(curr_path, 'compile'),
                 os.path.join(curr_path, '../compile'),
diff --git a/python-package/setup.py b/python-package/setup.py
index ee98b1a..2f7ce38 100644
--- a/python-package/setup.py
+++ b/python-package/setup.py
@@ -231,7 +231,7 @@ class CustomInstall(install):
         self.opencl_library = None
         self.mpi = 0
         self.hdfs = 0
-        self.precompile = 0
+        self.precompile = 1
         self.nomp = 0
         self.bit32 = 0
 
@@ -274,7 +274,7 @@ class CustomBdistWheel(bdist_wheel):
         self.opencl_library = None
         self.mpi = 0
         self.hdfs = 0
-        self.precompile = 0
+        self.precompile = 1
         self.nomp = 0
         self.bit32 = 0
 
@@ -324,7 +324,10 @@ if __name__ == "__main__":
         copy_file(os.path.join(CURRENT_DIR, os.path.pardir, 'VERSION.txt'),
                   os.path.join(CURRENT_DIR, 'lightgbm', 'VERSION.txt'),
                   verbose=0)  # type:ignore
-    version = open(os.path.join(CURRENT_DIR, 'lightgbm', 'VERSION.txt'), encoding='utf-8').read().strip()
+
+    # This variable will be set during substitution.
+    version = ''
+
     readme = open(os.path.join(CURRENT_DIR, 'README.rst'), encoding='utf-8').read()
 
     sys.path.insert(0, CURRENT_DIR)
@@ -355,7 +358,8 @@ if __name__ == "__main__":
           zip_safe=False,
           cmdclass={
               'install': CustomInstall,
-              'install_lib': CustomInstallLib,
+              # Lib will be loaded from the lightgbm package.
+              # 'install_lib': CustomInstallLib,
               'bdist_wheel': CustomBdistWheel,
               'sdist': CustomSdist,
           },
-- 
2.31.1