#    This file is part of rhizi, a collaborative knowledge graph editor.
#    Copyright (C) 2014-2015  Rhizi
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as published
#    by the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program 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 Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.


"""
PYDev test utilities
"""
import sys
import logging

log = logging.getLogger('rhizi')

def py_dev():
    try:  # enable pydev remote debugging
        import pydevd
        pydevd.settrace(trace_only_current_thread=False)
    except ImportError as e:
        pass


def debug__pydev_pd_arg(f_main):
    """
    PyDev Eclipse remote debug decorator:
       - follow PyDev's remote debugging instructions: http://pydev.org/manual_adv_remote_debugger.html
       - decorate main test function with @debug__pydev_pd_arg
       - pass the -pd command line argument
    """

    def main_decorated(*args, **kwargs):
        if len(sys.argv) > 1 and sys.argv[1] == '-pd':
            try:  # enable pydev remote debugging
                import pydevd
                pydevd.settrace(trace_only_current_thread=False)
            except ImportError as e:
                log.exception('failed to import pydevd')

            sys.argv.pop() # hide extra arg from main()
        f_main(*args, **kwargs)

    return main_decorated