[#3] Added generate proto script create container method

Signed-off-by: Ilyas Niyazov <i.niyazov@yadro.com>

frostfs_sdk/models/mappers/uuid_extension.py

@@ -0,0 +1,31 @@
+import uuid
+from typing import Optional
+
+UUID_BYTE_ARRAY_LENGTH = 16
+
+
+class UuidExtension:
+    @staticmethod
+    def to_uuid(bytes_: Optional[bytes]) -> uuid.UUID:
+        """
+        Converts a byte array into a UUID object.
+        """
+        if bytes_ is None or len(bytes_) != UUID_BYTE_ARRAY_LENGTH:
+            raise ValueError(f"Wrong UUID size: expected {UUID_BYTE_ARRAY_LENGTH} bytes, got {len(bytes_)}")
+
+        # Unpack the byte array into two 64-bit integers
+        most_sig_bits = int.from_bytes(bytes_[:8], byteorder='big', signed=False)
+        least_sig_bits = int.from_bytes(bytes_[8:], byteorder='big', signed=False)
+
+        return uuid.UUID(int=(most_sig_bits << 64) | least_sig_bits)
+
+    @staticmethod
+    def to_bytes(uuid_: Optional[uuid.UUID]) -> bytes:
+        """
+        Converts a UUID object into a byte array.
+        """
+        if uuid_ is None:
+            raise ValueError(f"Input parameter is missing: {uuid.UUID.__name__}")
+
+        # Pack the UUID into a 16-byte array
+        return (uuid_.int >> 64).to_bytes(8, byteorder='big') + (uuid_.int & 0xFFFFFFFFFFFFFFFF).to_bytes(8, byteorder='big')