#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
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"""
brainvisa.axon.runprocess is not a real python module, but rather an executable script with commandline arguments and options parsing. It is provided as a module just to be easily called via the python command in a portable way:
python -m brainvisa.axon.runprocess <process name> <process arguments>
"""

from brainvisa import axon
from brainvisa.configuration import neuroConfig
import brainvisa.processes
import sys, re, types
from optparse import OptionParser

usage = 'Usage: %prog [options] processname [arg1] [arg2] ... [argx=valuex] [argy=valuey] ...\n\nExample:\n%prog --enabledb threshold ~/data/irm.ima /tmp/th.nii threshold1=80'
parser = OptionParser( description = 'Run a single BrainVISA / Axon process',
  usage=usage )
parser.add_option( '--enabledb', dest='enabledb', action='store_true',
  default=False,
  help='enable databasing (slower startup, but all features enabled)' )
parser.add_option( '--historyBook', dest='historyBook', action='append',
  help='store history information files in this directory (otherwise disabled unless dabasing is enabled)' )

parser.disable_interspersed_args()
(options, args) = parser.parse_args()

neuroConfig.gui = False
if not options.enabledb:
  neuroConfig.fastStart = True
if options.historyBook:
  neuroConfig.historyBookDirectory = options.historyBook
if not options.enabledb and not options.historyBook:
  neuroConfig.logFileName = ''

axon.initializeProcesses()

args = tuple( ( neuroConfig.convertCommandLineParameter( i ) for i in args ) )
kwre = re.compile( '([a-zA-Z_][a-zA-Z0-9_]*)\s*=\s*(.*)$' )
kwargs = {}
todel = []
for arg in args:
  if type( arg ) in types.StringTypes:
    m = kwre.match( arg )
    if m is not None:
      kwargs[ m.group(1) ] = \
        neuroConfig.convertCommandLineParameter( m.group(2) )
      todel.append( arg )
args = [ arg for arg in args if arg not in todel ]

brainvisa.processes.defaultContext().runProcess( *args, **kwargs )

sys.exit( neuroConfig.exitValue )