import Action
import Node
from Params import error

pyrex_str = '${PYREX} ${SRC} -o ${TGT}'

def pyrex_file(self, node):
	gentask = self.create_task('pyrexc', nice=1)
	gentask.set_inputs(node)
	gentask.set_outputs(node.change_ext('.c'))

	cctask = self.create_task('cc')
	cctask.set_inputs(gentask.m_outputs)
	cctask.set_outputs(node.change_ext('.o'))

def setup(env):
	Action.simple_action('pyrexc', pyrex_str, color='BLUE')
	env.hook('cc', 'PYREX_EXT', pyrex_file)

def detect(conf):
		python = conf.find_program('pyrexc', var='PYREX')
		if not python:
			return 0
		conf.env['PYREX_EXT'] = ['.pyx']
		return 1