"""
Vdirsyncer synchronizes calendars and contacts.
"""


PROJECT_HOME = "https://github.com/pimutils/vdirsyncer"
BUGTRACKER_HOME = PROJECT_HOME + "/issues"
DOCS_HOME = "https://vdirsyncer.pimutils.org/en/stable"

try:
    from .version import version as __version__  # noqa
except ImportError:  # pragma: no cover
    raise ImportError(
        "Failed to find (autogenerated) version.py. "
        "This might be because you are installing from GitHub's tarballs, "
        "use the PyPI ones."
    )


def _check_python_version():  # pragma: no cover
    import sys

    if sys.version_info < (3, 7, 0):
        print("vdirsyncer requires at least Python 3.7.")
        sys.exit(1)


_check_python_version()
del _check_python_version
