chore: import upstream snapshot with attribution

application/parser/file/epub_parser.py

@@ -0,0 +1,28 @@
+"""Epub parser.
+
+Contains parsers for epub files.
+"""
+
+from pathlib import Path
+from typing import Dict
+
+from application.parser.file.base_parser import BaseParser
+
+
+class EpubParser(BaseParser):
+    """Epub Parser."""
+
+    def _init_parser(self) -> Dict:
+        """Init parser."""
+        return {}
+
+    def parse_file(self, file: Path, errors: str = "ignore") -> str:
+        """Parse file."""
+        try:
+            from fast_ebook import epub
+        except ImportError:
+            raise ValueError("`fast-ebook` is required to read Epub files.")
+
+        book = epub.read_epub(file)
+        text = book.to_markdown()
+        return text