1 files changed, 99 insertions, 0 deletions
diff --git a/pym/_emerge/EbuildExecuter.py b/pym/_emerge/EbuildExecuter.py
new file mode 100644
index 000000000..5be09b354
--- /dev/null
+++ b/pym/_emerge/EbuildExecuter.py
@@ -0,0 +1,99 @@
+from _emerge.EbuildPhase import EbuildPhase
+from _emerge.TaskSequence import TaskSequence
+from _emerge.CompositeTask import CompositeTask
+try:
+	import portage
+except ImportError:
+	from os import path as osp
+	import sys
+	sys.path.insert(0, osp.join(osp.dirname(osp.dirname(osp.realpath(__file__))), "pym"))
+	import portage
+import os
+class EbuildExecuter(CompositeTask):
+
+	__slots__ = ("pkg", "scheduler", "settings") + ("_tree",)
+
+	_phases = ("prepare", "configure", "compile", "test", "install")
+
+	_live_eclasses = frozenset([
+		"bzr",
+		"cvs",
+		"darcs",
+		"git",
+		"mercurial",
+		"subversion"
+	])
+
+	def _start(self):
+		self._tree = "porttree"
+		pkg = self.pkg
+		phase = "clean"
+		clean_phase = EbuildPhase(background=self.background, pkg=pkg, phase=phase,
+			scheduler=self.scheduler, settings=self.settings, tree=self._tree)
+		self._start_task(clean_phase, self._clean_phase_exit)
+
+	def _clean_phase_exit(self, clean_phase):
+
+		if self._default_exit(clean_phase) != os.EX_OK:
+			self.wait()
+			return
+
+		pkg = self.pkg
+		scheduler = self.scheduler
+		settings = self.settings
+		cleanup = 1
+
+		# This initializes PORTAGE_LOG_FILE.
+		portage.prepare_build_dirs(pkg.root, settings, cleanup)
+
+		setup_phase = EbuildPhase(background=self.background,
+			pkg=pkg, phase="setup", scheduler=scheduler,
+			settings=settings, tree=self._tree)
+
+		setup_phase.addExitListener(self._setup_exit)
+		self._current_task = setup_phase
+		self.scheduler.scheduleSetup(setup_phase)
+
+	def _setup_exit(self, setup_phase):
+
+		if self._default_exit(setup_phase) != os.EX_OK:
+			self.wait()
+			return
+
+		unpack_phase = EbuildPhase(background=self.background,
+			pkg=self.pkg, phase="unpack", scheduler=self.scheduler,
+			settings=self.settings, tree=self._tree)
+
+		if self._live_eclasses.intersection(self.pkg.inherited):
+			# Serialize $DISTDIR access for live ebuilds since
+			# otherwise they can interfere with eachother.
+
+			unpack_phase.addExitListener(self._unpack_exit)
+			self._current_task = unpack_phase
+			self.scheduler.scheduleUnpack(unpack_phase)
+
+		else:
+			self._start_task(unpack_phase, self._unpack_exit)
+
+	def _unpack_exit(self, unpack_phase):
+
+		if self._default_exit(unpack_phase) != os.EX_OK:
+			self.wait()
+			return
+
+		ebuild_phases = TaskSequence(scheduler=self.scheduler)
+
+		pkg = self.pkg
+		phases = self._phases
+		eapi = pkg.metadata["EAPI"]
+		if eapi in ("0", "1"):
+			# skip src_prepare and src_configure
+			phases = phases[2:]
+
+		for phase in phases:
+			ebuild_phases.add(EbuildPhase(background=self.background,
+				pkg=self.pkg, phase=phase, scheduler=self.scheduler,
+				settings=self.settings, tree=self._tree))
+
+		self._start_task(ebuild_phases, self._default_final_exit)
+