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Merge remote-tracking branch 'pdf/XMP_Metadata3' into master

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This commit is contained in:
Ozzie Isaacs 2021-03-17 19:05:26 +01:00
commit 2be7b6480a
1 changed files with 75 additions and 12 deletions
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85
cps/uploader.py
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@ -22,11 +22,10 @@ import hashlib
from tempfile import gettempdir
from flask_babel import gettext as _
from . import logger, comic
from . import logger, comic, isoLanguages, get_locale
from .constants import BookMeta
from .helper import split_authors
log = logger.create()
@ -98,7 +97,7 @@ def default_meta(tmp_file_path, original_file_name, original_file_extension):
extension=original_file_extension,
title=original_file_name,
author=_(u'Unknown'),
cover=None,
cover=pdf_preview(tmp_file_path, original_file_name),
description="",
tags="",
series="",
@ -106,31 +105,95 @@ def default_meta(tmp_file_path, original_file_name, original_file_extension):
languages="")
def parse_xmp(pdf_file):
"""
Parse XMP Metadata and prepare for BookMeta object
"""
try:
xmp_info = pdf_file.getXmpMetadata()
except Exception as e:
log.debug('Can not read XMP metadata', e)
return None
if xmp_info:
try:
xmp_author = xmp_info.dc_creator # list
except:
xmp_author = ['Unknown']
if xmp_info.dc_title:
xmp_title = xmp_info.dc_title['x-default']
else:
xmp_title = ''
if xmp_info.dc_description:
xmp_description = xmp_info.dc_description['x-default']
else:
xmp_description = ''
languages = []
for i in xmp_info.dc_language:
#calibre-web currently only takes one language.
languages.append(isoLanguages.get_lang3(i))
xmp_tags = ', '.join(xmp_info.dc_subject)
xmp_publisher = ', '.join(xmp_info.dc_publisher)
xmp_languages = xmp_info.dc_language
return {'author': xmp_author,
'title': xmp_title,
'subject': xmp_description,
'tags': xmp_tags, 'languages': languages,
'publisher': xmp_publisher
}
def pdf_meta(tmp_file_path, original_file_name, original_file_extension):
doc_info = None
xmp_info = None
if use_pdf_meta:
with open(tmp_file_path, 'rb') as f:
doc_info = PdfFileReader(f).getDocumentInfo()
if doc_info:
author = doc_info.author if doc_info.author else u'Unknown'
title = doc_info.title if doc_info.title else original_file_name
pdf_file = PdfFileReader(f)
doc_info = pdf_file.getDocumentInfo()
xmp_info = parse_xmp(pdf_file)
if xmp_info:
author = ' & '.join(split_authors(xmp_info['author']))
title = xmp_info['title']
subject = xmp_info['subject']
tags = xmp_info['tags']
languages = xmp_info['languages']
publisher = xmp_info['publisher']
elif doc_info:
author = ' & '.join(split_authors([doc_info.author]))
title = doc_info.title
subject = doc_info.subject
tags = doc_info['/Keywords']
languages = ""
publisher = ""
else:
author = u'Unknown'
author= u'Unknown'
title = original_file_name
subject = ""
tags = ""
languages = ""
publisher = ""
return BookMeta(
file_path=tmp_file_path,
extension=original_file_extension,
title=title,
author=' & '.join(split_authors([author])),
author=author,
cover=pdf_preview(tmp_file_path, original_file_name),
description=subject,
tags="",
tags=tags,
series="",
series_id="",
languages="")
languages=', '.join(languages)
)
def pdf_preview(tmp_file_path, tmp_dir):