Do not symlink on Windows

Author: KoltesDigital

build_env.py

@@ -144,9 +144,12 @@ def install_data_file(env_path: pathlib.Path, file: EnvFile) -> None:
 
 def install_site_file(site_packages_path: pathlib.Path, file: EnvFile) -> None:
     site_path = site_packages_path / file.site_packages_path
-    if not site_path.exists():
+    if not site_path.exists() and file.path.exists():
         site_path.parent.mkdir(parents=True, exist_ok=True)
-        site_path.symlink_to(file.path.resolve())
+        try:
+            site_path.symlink_to(file.path.resolve())
+        except OSError:
+            site_path.write_bytes(file.path.read_bytes())
 
 
 def install_files(env_path: pathlib.Path, files: List[EnvFile]) -> None: