calibre-web/cps/book_formats.py

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__author__ = 'lemmsh'
import uploader
import os
try:
from wand.image import Image
use_generic_pdf_cover = False
except ImportError, e:
use_generic_pdf_cover = True
def process(tmp_file_path, original_file_name, original_file_extension):
if (".PDF" == original_file_extension.upper()):
return pdf_meta(tmp_file_path, original_file_name, original_file_extension)
else: return None
def pdf_meta(tmp_file_path, original_file_name, original_file_extension):
from PyPDF2 import PdfFileReader
pdf = PdfFileReader(open(tmp_file_path, 'rb'))
doc_info = pdf.getDocumentInfo()
print("!!!!!!!!!!!!!!")
print(doc_info.producer)
if (doc_info is not None):
author = doc_info.author
title = doc_info.title
subject = doc_info.subject
else:
author = "Unknown"
title = original_file_name
subject = ""
return uploader.BookMeta(
file_path = tmp_file_path,
extension = original_file_extension,
title = title,
author = author,
cover = pdf_preview(tmp_file_path, original_file_name),
description = subject,
tags = "",
series = "",
series_id="")
def pdf_preview(tmp_file_path, tmp_dir):
if use_generic_pdf_cover:
return None
else:
cover_file_name = os.path.splitext(tmp_file_path)[0] + ".cover.jpg"
with Image(filename=tmp_file_path + "[0]", resolution=150) as img:
img.compression_quality = 88
img.save(filename=os.path.join(tmp_dir, cover_file_name))
return cover_file_name