1 files changed, 38 insertions, 0 deletions
diff --git a/src/bbss/sizes.py b/src/bbss/sizes.py
new file mode 100644
index 0000000..26818e9
--- /dev/null
+++ b/src/bbss/sizes.py
@@ -0,0 +1,38 @@
+from .lists import BaseListFile, ListFileEntry, parse_listfile
+from .buttons import ButtonListFile
+from dataclasses import dataclass
+from typing import Optional, Self
+from collections.abc import Sequence
+import requests
+
+@dataclass(frozen=True)
+class SizeListFileEntry(ListFileEntry):
+  root: str
+
+  def url(self) -> str:
+    return self.root + "/" + self.entry + "/list.txt"
+
+  def exists(self) -> bool:
+    return requests.head(self.url()).ok
+
+  def get(self) -> Optional[ButtonListFile]:
+    return ButtonListFile.from_url(self.url())
+
+class SizeListFile(BaseListFile[SizeListFileEntry]):
+  def __init__(self, contents: str, root: str):
+    super().__init__(contents)
+    self._root = root
+
+    def construct_entry(entry: str, comment: Optional[str]):
+      return SizeListFileEntry(entry, comment, root)
+    self._entries = parse_listfile(contents, construct_entry)
+
+  @classmethod
+  def from_url(cls, url: str) -> Optional[Self]:
+    (root, _, _) = url.rpartition('/')
+    req = requests.get(url, stream = False)
+    if not req.ok:
+      return None
+    return cls(req.text, root)
+
+__all__ = ["SizeListFileEntry", "SizeListFile"]