56 lines
1.3 KiB
Python
56 lines
1.3 KiB
Python
# -*- coding: utf-8 -*-
|
|
# vi:si:et:sw=4:sts=4:ts=4
|
|
from __future__ import division
|
|
|
|
import base64
|
|
import hashlib
|
|
import os
|
|
|
|
import ox
|
|
|
|
import pdf
|
|
import epub
|
|
import txt
|
|
|
|
def get_id(f=None, data=None):
|
|
if data:
|
|
return base64.b32encode(hashlib.sha1(data).digest())
|
|
else:
|
|
return base64.b32encode(ox.sha1sum(f).decode('hex'))
|
|
|
|
|
|
def metadata(f):
|
|
ext = f.split('.')[-1]
|
|
data = {}
|
|
if ext == 'pdf':
|
|
info = pdf.info(f)
|
|
elif ext == 'epub':
|
|
info = epub.info(f)
|
|
elif ext == 'txt':
|
|
info = txt.info(f)
|
|
|
|
for key in ('title', 'author', 'date', 'publisher', 'isbn'):
|
|
if key in info:
|
|
value = info[key]
|
|
if isinstance(value, str):
|
|
try:
|
|
value = value.decode('utf-8')
|
|
except:
|
|
value = None
|
|
if value:
|
|
data[key] = info[key]
|
|
|
|
if 'isbn' in data:
|
|
value = data.pop('isbn')
|
|
if len(value) == 10:
|
|
data['isbn10'] = value
|
|
data['mainid'] = 'isbn10'
|
|
else:
|
|
data['isbn13'] = value
|
|
data['mainid'] = 'isbn13'
|
|
if not 'title' in data:
|
|
data['title'] = os.path.splitext(os.path.basename(f))[0]
|
|
if 'author' in data and isinstance(data['author'], basestring):
|
|
data['author'] = [data['author']]
|
|
return data
|
|
|