initial commit

objects.py

@@ -0,0 +1,61 @@
+from datetime import datetime
+from dataclasses import dataclass
+from enum import StrEnum
+
+OBJ_TYPES = {
+    1: "commit",
+    2: "tree",
+    3: "blob",
+    4: "tag",
+    6: "ofs_delta",
+    7: "ref_delta"
+}
+
+@dataclass
+class GitUser:
+    name: str
+    email: str
+    time: datetime
+
+class GitObjectType(StrEnum):
+    COMMIT = "commit"
+    TREE = "tree"
+    BLOB = "blob"
+    TAG = "tag"
+
+@dataclass
+class GitFile:
+    mode: int
+    filename: str
+    data_hash: str
+    data: bytes | None = None
+
+@dataclass
+class Tree:
+    hash: str
+    files: list[GitFile]
+    bytes: "bytes | None" = None
+
+@dataclass
+class Commit:
+    hash: str
+    tree: Tree | None
+    parent: "Commit | None"
+    author: GitUser | None
+    committer: GitUser | None
+    message: str
+    bytes: "bytes"
+
+@dataclass
+class Blob:
+    hash: str
+    bytes: "bytes"
+
+@dataclass
+class Tag:
+    hash: str
+    name: str | None
+    object: "Commit | Tree | bytes | Tag | None"
+    tagger: GitUser | None
+    message: str
+    bytes: "bytes"