Files
Lector/sorter.py
2017-11-11 05:50:04 +05:30

82 lines
2.5 KiB
Python

#!/usr/bin/env python3
# TODO
# Methods that return None must be quantified here if needed
import hashlib
from multiprocessing.dummy import Pool
import database
from parsers.epub import ParseEPUB
class BookSorter:
def __init__(self, file_list, database_path):
# 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 = {}
self.database_path = database_path
self.hashes = []
self.database_hashes()
def database_hashes(self):
all_hashes = database.DatabaseFunctions(
self.database_path).fetch_data(
('Hash',),
'books',
{'Hash': ''},
'LIKE')
if all_hashes:
self.hashes = [i[0] for i in all_hashes]
def read_book(self, filename):
# filename is expected as a string containg the
# full path of the ebook file
with open(filename, 'rb') as current_book:
file_md5 = hashlib.md5(current_book.read()).hexdigest()
# Do not allow addition in case the file is dupicated in the directory
# OR is already in the database
# TODO
# See if you want to include a hash of the book's name and author
if file_md5 in self.all_books.items() or file_md5 in self.hashes:
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