(hamilton) 06/06: setup.py now copies the main source code

[zi...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

zilto pushed a commit to branch feat/hamilton-core
in repository https://gitbox.apache.org/repos/asf/hamilton.git

commit 364e16a216bd4f9cf3b8855ee5b1d3ca40805080
Author: zilto <68...@users.noreply.github.com>
AuthorDate: Tue Sep 2 21:57:10 2025 -0400

    setup.py now copies the main source code
---
 hamilton-core/.gitignore |  1 +
 hamilton-core/setup.py   | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/hamilton-core/.gitignore b/hamilton-core/.gitignore
new file mode 100644
index 00000000..750d8503
--- /dev/null
+++ b/hamilton-core/.gitignore
@@ -0,0 +1 @@
+hamilton/_hamilton
diff --git a/hamilton-core/setup.py b/hamilton-core/setup.py
index da780c52..0a4dfa05 100644
--- a/hamilton-core/setup.py
+++ b/hamilton-core/setup.py
@@ -2,8 +2,38 @@
 import tomllib
 import pathlib
 import re
+import os
+import shutil
+import sys
 from setuptools import setup
 
+# ensure the right current working directory
+os.chdir(os.path.abspath(os.path.dirname(__file__)))
+
+def copy_hamilton_library():
+    setup_dir = pathlib.Path(__file__).resolve().parent
+    source_dir = (setup_dir.parent / 'hamilton').resolve()
+    dest_dir = (setup_dir / 'hamilton' / '_hamilton').resolve()
+
+    # Safety checks
+    if not source_dir.is_dir():
+        print(f"Error: Source directory does not exist: {source_dir}")
+        sys.exit(1)
+
+    if not str(dest_dir).startswith(str(setup_dir)):
+        print(f"Error: Destination directory {dest_dir} is outside the setup directory {setup_dir}")
+        sys.exit(1)
+
+    # Remove destination if it exists to avoid errors or stale files
+    if dest_dir.exists():
+        print("delete: ", dest_dir)
+        shutil.rmtree(dest_dir)
+
+    # Copy entire directory tree from source to destination
+    print(f"copy from: {source_dir}; to {dest_dir}")
+    shutil.copytree(source_dir, dest_dir)
+
+
 def get_version():
     version_path = pathlib.Path(__file__).parent / "hamilton" / "_hamilton" / "version.py"
     content = version_path.read_text()
@@ -15,6 +45,8 @@ def get_version():
         version_str = ".".join(version_parts)
         return version_str
 
+copy_hamilton_library()
+
 pyproject_path = pathlib.Path(__file__).parents[1] / "pyproject.toml"
 pyproject = tomllib.loads(pyproject_path.read_text())
 project = pyproject["project"]