feat: add python packaging lib

Signed-off-by: sisungo <[email protected]>

lib/python.py

@@ -0,0 +1,62 @@
+import os
+import shutil
+import subprocess
+
+from . import make, arch
+
+
+PY3_VERSION = "3.14"
+
+
+def build():
+    subprocess.run(["python3", "-m", "build", "."], check=True)
+
+def install():
+    if os.path.exists("../pyinstall"):
+        shutil.rmtree("../pyinstall")
+    for i in os.listdir("dist"):
+        if not i.endswith(".whl"):
+            continue
+        subprocess.run(["python3", "-m", "installer", f"--destdir=../pyinstall", f"dist/{i}"], check=True)
+    os.chdir("../pyinstall")
+    while len(os.listdir(".")) == 1:
+        os.chdir(os.listdir(".")[0])
+
+def version(s: str):
+    make.version(f"{s}+python{PY3_VERSION}")
+
+def _depcommon(s: str):
+    if s == "python":
+        return f"python (~{PY3_VERSION}.0) @{arch.get_target()}"
+    elif ".py" in s:
+        if ")" in s:
+            return s.replace(")", f", +python{PY3_VERSION})")
+        else:
+            return s.replace(".py", f" (+python{PY3_VERSION})")
+    else:
+        return None
+
+def builddep(s: str):
+    if s == "$shortcut":
+        builddep("python")
+        builddep("build.py")
+        builddep("installer.py")
+    elif _depcommon(s):
+        make.builddep(_depcommon(s))
+    else:
+        raise RuntimeError("unrecognized python dep")
+
+def dep(s: str):
+    if _depcommon(s):
+        make.dep(_depcommon(s))
+    else:
+        raise RuntimeError("unrecognized python dep")
+
+def _auto_pack(composer):
+    base = f"lib/python{PY3_VERSION}/site-packages"
+    composer.makedirs(base)
+    for i in os.listdir("."):
+        composer.add_dir(i, f"{base}/{i}")
+
+def use_auto_pack():
+    make.on_pack(_auto_pack)