use abs paths in gen wrapper

generate-wrapper.py

@@ -240,6 +240,8 @@ def get_lib_file_name():
 if __name__ == "__main__":
 
     with tempfile.TemporaryDirectory() as tmp:
+        dir_path = os.path.dirname(os.path.realpath(__file__))
+
         zip_path = os.path.join(tmp, "libduckdb.zip")
         release_zip_url = get_release_zip_url()
 
@@ -251,7 +253,7 @@ def get_lib_file_name():
 
         lib_file_name = get_lib_file_name()
         zip.extract(lib_file_name, tmp)
-        shutil.copy(os.path.join(tmp, lib_file_name), os.path.join("lib", "binding", "libduckdb"))
+        shutil.copy(os.path.join(tmp, lib_file_name), os.path.join(dir_path, "lib", "binding", "libduckdb"))
 
         zip.extract("duckdb.h", "src")
         zip.extract("duckdb.h", tmp)
@@ -263,7 +265,7 @@ def get_lib_file_name():
         print("Generating C code and TypeScript definitions")
         cpp_result, types_result = create_func_defs(os.path.join(tmp, "duckdb-preprocessed.h"))
 
-        out = open(os.path.join("src", "duckdb_node_generated.cpp"), 'wb')
+        out = open(os.path.join(dir_path, "src", "duckdb_node_generated.cpp"), 'wb')
         out.write('''// This file is generated by generate-wrapper.py, please do not edit
 
 #include "duckdb.h"