__main__.py

# Copyright (c) 2017-2019, Stefan Grönke
# Copyright (c) 2014-2018, iocage
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted providing that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
"""The main CLI for ioc."""
import os
import sys


from ioc_cli import cli


def main_safe():
    """Wrap the main function and return raised errors."""
    try:
        main()
    except BaseException as e:
        return e


def main():
    """Execute the main Click program."""
    cli(prog_name="iocage")


if __name__ == "__main__":
    coverdir = os.environ.get("IOCAGE_TRACE", None)
    if coverdir is None:
        main()
    else:
        import trace
        tracer = trace.Trace(
            ignoredirs=[sys.prefix, sys.exec_prefix],
            trace=0,
            count=1
        )
        tracer.run("main_safe()")
        r = tracer.results()
        r.write_results(show_missing=True, coverdir=coverdir)
        print(f"Iocage Trace written to: {coverdir}")