+full refactor

+feat: configuration, progress bar, OSV

python_files/container_io.py

@@ -0,0 +1,35 @@
+
+from __future__ import annotations
+
+import io
+import tarfile
+from typing import Tuple
+
+def exec_shell(container, cmd: str) -> Tuple[int, str]:
+    for shell in (["sh", "-lc"], ["bash", "-lc"]):
+        try:
+            res = container.exec_run(shell + [cmd], demux=False)
+            out = res.output.decode(errors="ignore") if isinstance(res.output, (bytes, bytearray)) else str(res.output)
+            return res.exit_code, out
+        except Exception:
+            continue
+    return 127, ""
+
+
+def read_text_from_container(container, abs_path: str, max_bytes: int = 800_000) -> str:
+    stream, _stat = container.get_archive(abs_path)
+    buf = io.BytesIO()
+    for chunk in stream:
+        buf.write(chunk)
+        if buf.tell() > max_bytes:
+            break
+    buf.seek(0)
+
+    with tarfile.open(fileobj=buf) as tar:
+        members = tar.getmembers()
+        if not members:
+            raise FileNotFoundError(abs_path)
+        f = tar.extractfile(members[0])
+        if f is None:
+            raise FileNotFoundError(abs_path)
+        return f.read().decode(errors="ignore")