versioninfo.py

# adapted from https://github.com/lxml/lxml/blob/master/versioninfo.py

import os
import re
import sys

__PYXPDF_VERSION = None


def version():
    global __PYXPDF_VERSION
    if __PYXPDF_VERSION is None:
        with open(os.path.join(get_base_dir(), "src", "pyxpdf", "__init__.py")) as f:
            __PYXPDF_VERSION = re.search(
                r'__version__\s*=\s*"([^"]+)"', f.read(250)
            ).group(1)
            assert __PYXPDF_VERSION
    return __PYXPDF_VERSION


def branch_version():
    return version()[:3]


def is_pre_release():
    version_string = version()
    return "a" in version_string or "b" in version_string


def dev_status():
    _version = version()
    if "a" in _version:
        return "Development Status :: 3 - Alpha"
    elif "b" in _version or "c" in _version:
        return "Development Status :: 4 - Beta"
    else:
        return "Development Status :: 5 - Production/Stable"


def get_base_dir():
    return os.path.abspath(os.path.dirname(sys.argv[0]))