# Copyright 2017-2023 Posit Software, PBC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Bootstraps env for guild.main.

As the bootstrap process is used for every Guild command, it must
execute as quickly as possible.
"""

import os
import sys


def main():
    if os.getenv("PROFILE") == "1":
        _profile_main()
    else:
        _main()


def _profile_main():
    import cProfile
    import tempfile

    p = cProfile.Profile()
    sys.stderr.write("Profiling command\n")
    p.enable()
    try:
        _main()
    finally:
        p.disable()
        _fd, tmp = tempfile.mkstemp(prefix="guild-profile-")
        sys.stderr.write(f"Writing guild profile stats to {tmp}\n")
        p.dump_stats(tmp)
        sys.stderr.write(
            f"Use 'python -m pstats {tmp}' or 'snakeviz {tmp}' to view stats\n"
        )


def _main():
    import guild.main

    guild.main.main()


if __name__ == "__main__":
    main()
