Refactor parsers. Create a new sorter module.

sorter.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python3
+
+# TODO
+# Methods that return None must be quantified here if needed
+
+import hashlib
+from multiprocessing.dummy import Pool
+
+from parsers.epub import ParseEPUB
+
+
+class BookSorter:
+    def __init__(self, file_list):
+        # Have the GUI pass a list of files straight to here
+        # Then, on the basis of what is needed, pass the
+        # filenames to the requisite functions
+        # This includes getting file info for the database
+        # Parsing for the reader proper
+        # Caching upon closing
+        self.file_list = file_list
+        self.all_books = {}
+
+    def read_book(self, filename):
+        # filename is expected as a string containg the
+        # full path of the ebook file
+
+        # TODO
+        # See if you want to include a hash of the book's name and author
+        with open(filename, 'rb') as current_book:
+            file_md5 = hashlib.md5(current_book.read()).hexdigest()
+
+        if file_md5 in self.all_books.items():
+            return
+
+        # TODO
+        # See if tags can be generated from book content
+        # Sort according to to file extension here
+        book_ref = ParseEPUB(filename)
+
+        # Everything following this is standard
+        # Some of the None returns will have to have
+        # values associated with them, though
+        book_ref.read_book()
+        if book_ref.book:
+            title = book_ref.get_title()
+            author = book_ref.get_author()
+            year = book_ref.get_year()
+            cover_image = book_ref.get_cover_image()
+            isbn = book_ref.get_isbn()
+
+            self.all_books[file_md5] = {
+                'title': title,
+                'author': author,
+                'year': year,
+                'isbn': isbn,
+                'path': filename,
+                'cover_image': cover_image}
+
+    def initiate_threads(self):
+        _pool = Pool(5)
+        _pool.map(self.read_book, self.file_list)
+        _pool.close()
+        _pool.join()
+
+        return self.all_books