OCRmyPDF/setup.py
James R. Barlow f34b3015b2 Prevent Ghostscript from generating invalid XMP metadata
If DocumentInfo contains NULs Ghostscript will generate XMP with
NULs which is not allowed. Repair DocumentInfo before Ghostscript sees it.
2019-01-04 13:20:41 -08:00

279 lines
8.8 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# © 2015 James R. Barlow: github.com/jbarlow83
#
# This file is part of OCRmyPDF.
#
# OCRmyPDF is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# OCRmyPDF is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with OCRmyPDF. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function, unicode_literals
import sys
if sys.version_info < (3, 6):
print("Python 3.6 or newer is required", file=sys.stderr)
sys.exit(1)
from setuptools import setup, find_packages
from subprocess import STDOUT, check_output, CalledProcessError
from collections.abc import Mapping
import re
# pylint: disable=w0613
missing_program = '''
The program '{program}' could not be executed or was not found on your
system PATH.
'''
unknown_version = '''
OCRmyPDF requires '{program}' {need_version} or higher. Your system has
'{program}' but we cannot tell what version is installed. Contact the
package maintainer.
'''
old_version = '''
OCRmyPDF requires '{program}' {need_version} or higher. Your system appears
to have {found_version}. Please update this program.
'''
okay_its_optional = '''
This program is OPTIONAL, so installation of OCRmyPDF can proceed, but
some functionality may be missing.
'''
not_okay_its_required = '''
This program is REQUIRED for OCRmyPDF to work. Installation will abort.
'''
osx_install_advice = '''
If you have homebrew installed, try these command to install the missing
packages:
brew update
brew upgrade
brew install {package}
'''
linux_install_advice = '''
On systems with the aptitude package manager (Debian, Ubuntu), try these
commands:
sudo apt-get update
sudo apt-get install {package}
On RPM-based systems (Red Hat, Fedora), search for instructions on
installing the RPM for {program}.
'''
def get_platform():
if sys.platform.startswith('freebsd'):
return 'freebsd'
elif sys.platform.startswith('linux'):
return 'linux'
return sys.platform
def _error_trailer(program, package, optional, **kwargs):
if optional:
print(okay_its_optional.format(**locals()), file=sys.stderr)
else:
print(not_okay_its_required.format(**locals()), file=sys.stderr)
if isinstance(package, Mapping):
package = package[get_platform()]
if get_platform() == 'darwin':
print(osx_install_advice.format(**locals()), file=sys.stderr)
elif get_platform() == 'linux':
print(linux_install_advice.format(**locals()), file=sys.stderr)
def error_missing_program(
program,
package,
optional
):
print(missing_program.format(**locals()), file=sys.stderr)
_error_trailer(**locals())
def error_unknown_version(
program,
package,
optional,
need_version
):
print(unknown_version.format(**locals()), file=sys.stderr)
_error_trailer(**locals())
def error_old_version(
program,
package,
optional,
need_version,
found_version
):
print(old_version.format(**locals()), file=sys.stderr)
_error_trailer(**locals())
def check_external_program(
program,
need_version,
package,
version_check_args=None,
version_scrape_regex=re.compile(r'(\d+\.\d+(?:\.\d+)?)'),
optional=False):
if not version_check_args:
version_check_args = ['--version']
print(f'Checking for {program} >= {need_version}...')
try:
result = check_output(
[program] + version_check_args,
universal_newlines=True, stderr=STDOUT)
except (CalledProcessError, FileNotFoundError):
error_missing_program(program, package, optional)
if not optional:
sys.exit(1)
print(f'Continuing install without {program}')
return
try:
found_version = version_scrape_regex.search(result).group(1)
except AttributeError:
error_unknown_version(program, package, optional, need_version)
sys.exit(1)
if found_version < need_version:
error_old_version(program, package, optional, need_version,
found_version)
print(f'Found {program} {found_version}')
command = next((arg for arg in sys.argv[1:] if not arg.startswith('-')), '')
forced = ('--force' in sys.argv)
if not forced and command.startswith('install') or \
command in ['check', 'test', 'nosetests', 'easy_install']:
check_external_program(
program='tesseract',
need_version='4.0.0', # using backport for Travis CI
package={'darwin': 'tesseract', 'linux': 'tesseract-ocr'}
)
check_external_program(
program='gs',
need_version='9.15', # limited by Travis CI / Ubuntu 14.04 backports
package='ghostscript'
)
check_external_program(
program='unpaper',
need_version='6.1', # latest sane version
package='unpaper',
optional=True
)
check_external_program(
program='qpdf',
need_version='8.0.2', # test suite known to fail on 5.1.1
package='qpdf'
)
check_external_program(
program='pngquant',
need_version='2.0.0',
package='pngquant',
optional=True
)
if 'upload' in sys.argv[1:]:
print('Use twine to upload the package - setup.py upload is insecure')
sys.exit(1)
tests_require = open('requirements/test.txt', encoding='utf-8').read().splitlines()
def readme():
with open('README.md', encoding='utf-8') as f:
return f.read()
setup(
name='ocrmypdf',
description='OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched',
long_description=readme(),
long_description_content_type='text/markdown',
url='https://github.com/jbarlow83/OCRmyPDF',
author='James R. Barlow',
author_email='jim@purplerock.ca',
packages=find_packages('src', exclude=["tests", "tests.*"]),
package_dir={'': 'src'},
keywords=['PDF', 'OCR', 'optical character recognition', 'PDF/A', 'scanning'],
classifiers=[
"Programming Language :: Python :: 3.6",
"Programming Language :: Python :: 3.7",
"Development Status :: 5 - Production/Stable",
"Environment :: Console",
"Intended Audience :: End Users/Desktop",
"Intended Audience :: Science/Research",
"Intended Audience :: System Administrators",
"License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
"Operating System :: MacOS :: MacOS X",
"Operating System :: POSIX",
"Operating System :: POSIX :: BSD",
"Operating System :: POSIX :: Linux",
"Topic :: Scientific/Engineering :: Image Recognition",
"Topic :: Text Processing :: Indexing",
"Topic :: Text Processing :: Linguistic",
],
python_requires=' >= 3.6',
setup_requires=[
'cffi >= 1.9.1', # to build the leptonica module
'pytest-runner', # to enable python setup.py test
'setuptools_scm', # so that version will work
'setuptools_scm_git_archive' # enable version from github tarballs
],
use_scm_version={'version_scheme': 'post-release'},
cffi_modules=[
'src/ocrmypdf/lib/compile_leptonica.py:ffibuilder'
],
install_requires=[
'chardet >= 3.0.4, < 4', # unlisted requirement of pdfminer.six 20181108
'cffi >= 1.9.1', # must be a setup and install requirement
'img2pdf >= 0.3.0, < 0.4', # pure Python, so track HEAD closely
'pdfminer.six == 20181108 ; sys_platform != "darwin"',
'pikepdf >= 1.0.1, < 2',
'Pillow >= 4.0.0, != 5.1.0 ; sys_platform == "darwin"',
# Pillow < 4 has BytesIO/TIFF bug w/img2pdf 0.2.3
# block 5.1.0, broken wheels
'reportlab >= 3.3.0', # oldest released version with sane image handling
'ruffus >= 2.7.0',
],
extras_require={
'pdfminer': ['pdfminer.six == 20181108'],
},
tests_require=tests_require,
entry_points={
'console_scripts': [
'ocrmypdf = ocrmypdf.__main__:run_pipeline'
],
},
package_data={'ocrmypdf': ['data/sRGB.icc']},
include_package_data=True,
zip_safe=False,
project_urls={
'Documentation': 'https://ocrmypdf.readthedocs.io/',
'Source': 'https://github.com/jbarlow83/ocrmypdf',
'Tracker': 'https://github.com/jbarlow83/ocrmypdf/issues'
}
)