Source code for modules.tool

import os
from modules.element import Element

class Tool (Element) :
	"""tools are elements which are used on the host"""

	def __init__ (self, name, config=None, default_path=None, bare=False) :
		self._config = config
		if config is None :
			global_conf = {}
		else :
			global_conf = config.get_global_dict ()
		Element.__init__ (self, name, 'tools', global_conf, default_path, bare)

	def get_builder(self) :
		# TODO: shouldn't be removed ? why a builder for a tool ?
		builders = self._config.get_plugins_for('get_selected_tools')
		configured_builders = [ builder for builder in builders if self._name in builder.get_selected_tools () ]
		if not configured_builders :
				return None
		# Tool can be compiled by only one builder
		elif len (configured_builders) == 1 :
			return configured_builders [0]
		else :
			raise ConfigError ("There are more than one builder for %s" % self._name)

	def get_path(self) :
		if not self._bare :
			builder = self.get_builder ()
			if builder :
				return builder.get_element_path (self._name)
			path = self._conf.get ('path')
			if path :
				return path
		if self._default_path :
			return self._default_path
		if self._config :
			return os.path.join (self._config.get_top_dir (), 'tools', self._name)