Begining to build in directory recursion for book scanning

library.py

@@ -0,0 +1,40 @@
+#!/usr/bin/python
+import json
+import os
+import re
+from config import Config
+config = Config()
+
+
+class Catalogue:
+    """Decodes and stores book information"""
+    def __init__(self):
+        with open(config.book_shelf, 'r') as f:
+            try:
+                self.catalogue = json.load(f)
+                self.current_files = self.scan_folder()
+            except Exception:
+                with open(config.book_shelf, 'w') as f:
+                    json.dump(self.filter_books(), f)
+
+    def scan_folder(self):
+        file_list = []
+        for f in os.listdir(config.book_path):
+            file_list.append(f)
+        return file_list
+
+    def filter_books(self):
+        scan = self.scan_folder()
+        breakpoint()
+        regx = re.compile(r"\.epub")
+        self.books = list(filter(regx.search, scan))
+        return self.books
+
+    def compare_shelf_current(self):
+        try:
+            self.books
+        except Exception:
+            self.filter_books()
+        breakpoint()
+        unique = set(self.books) - set(self.catalogue)
+        return unique