mirror of
https://gitlab2.federez.net/re2o/re2o
synced 2024-11-10 03:46:27 +00:00
56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
# -*- coding: utf-8 -*-
|
|
import subprocess
|
|
import os
|
|
import unidecode
|
|
|
|
def user_printing_path(instance, filename):
|
|
"""
|
|
Defines the path where will be uploaded the files
|
|
Currently MEDIA_ROOT/printings/user_<id>/<filename>
|
|
"""
|
|
# File will be uploaded to MEDIA_ROOT/printings/user_<id>/<filename>
|
|
return 'printings/user_{0}/{1}'.format(instance.user.id, unidecode.unidecode(filename))
|
|
|
|
|
|
|
|
def pdfinfo(file_path):
|
|
"""
|
|
Uses pdfinfo to extract the PDF meta information.
|
|
Returns metainfo in a dictionary.
|
|
requires poppler-utils
|
|
"""
|
|
def _extract(row):
|
|
"""Extracts the right hand value from a : delimited row"""
|
|
row=row.decode()
|
|
return row.split(':', 1)[1].strip()
|
|
|
|
output = {}
|
|
|
|
labels = ['Title', 'Author', 'Creator', 'Producer', 'CreationDate', 'ModDate',
|
|
'Tagged', 'Pages', 'Encrypted', 'Page size',
|
|
'File size', 'Optimized', 'PDF version']
|
|
|
|
cmd_output = subprocess.check_output(['/usr/bin/pdfinfo', file_path])
|
|
for line in cmd_output.splitlines():
|
|
for label in labels:
|
|
if label in line.decode():
|
|
output[label] = _extract(line)
|
|
|
|
return output
|
|
|
|
|
|
def pdfbook(file_path):
|
|
"""
|
|
Creates a booklet from a pdf
|
|
requires texlive-extra-utils
|
|
"""
|
|
_dir = os.path.dirname(file_path)
|
|
_fname = os.path.basename(file_path)
|
|
newfile = os.path.join(_dir, "pdfbook_%s" % (_fname,))
|
|
check_output(
|
|
['/usr/bin/pdfbook',
|
|
'--short-edge',
|
|
file_path,
|
|
'-o', newfile,
|
|
])
|
|
return newfile
|