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Make pyPDF2 again to the favorite pdf metadata extractor

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This commit is contained in:
Ozzie Isaacs 2022-08-27 15:44:21 +02:00
parent e5c8a7ce50
commit ec8844c7d4
2 changed files with 10 additions and 7 deletions
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15
cps/uploader.py
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@ -37,16 +37,15 @@ except (ImportError, RuntimeError) as e:
use_generic_pdf_cover = True
try:
from PyPDF3 import PdfFileReader
from PyPDF3 import __version__ as PyPdfVersion
from PyPDF2 import PdfFileReader
use_pdf_meta = True
except ImportError as ex:
log.debug('PyPDF2 is recommended for best performance in metadata extracting from pdf files: %s', ex)
try:
from PyPDF2 import PdfFileReader
from PyPDF2 import __version__ as PyPdfVersion
from PyPDF3 import PdfFileReader
use_pdf_meta = True
except ImportError as e:
log.debug('Cannot import PyPDF3/PyPDF2, extracting pdf metadata will not work: %s / %s', ex, e)
log.debug('Cannot import PyPDF3/PyPDF2, extracting pdf metadata will not work: %s / %s', e)
use_pdf_meta = False
try:
@ -114,7 +113,7 @@ def parse_xmp(pdf_file):
try:
xmp_info = pdf_file.getXmpMetadata()
except Exception as ex:
log.debug('Can not read XMP metadata {}'.format(ex))
log.debug('Can not read PDF XMP metadata {}'.format(ex))
return None
if xmp_info:
@ -160,6 +159,10 @@ def pdf_meta(tmp_file_path, original_file_name, original_file_extension):
with open(tmp_file_path, 'rb') as f:
pdf_file = PdfFileReader(f)
doc_info = pdf_file.getDocumentInfo()
try:
doc_info = pdf_file.getDocumentInfo()
except Exception as exc:
log.debug('Can not read PDF DocumentInfo {}'.format(exc))
xmp_info = parse_xmp(pdf_file)
if xmp_info:

2
requirements.txt
View File

@ -7,7 +7,7 @@ Flask-Principal>=0.3.2,<0.5.1
backports_abc>=0.4
Flask>=1.0.2,<2.1.0
iso-639>=0.4.5,<0.5.0
PyPDF3>=1.0.0,<1.0.7
PyPDF2>=1.20,<2.11.0
pytz>=2016.10
requests>=2.11.1,<2.28.0
SQLAlchemy>=1.3.0,<1.5.0