X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=t%2Fmoe%2Fpipeline.py;h=f14a0f5f7956be474151c6148474b94bc86f525f;hb=750990d7dbbaf2740f290a26dab527ce4444cbfb;hp=1804c5bec732562b718fee667d0b78c4e606a634;hpb=72657b1e01a615920375ad655f2ecfa391d10337;p=eval.git

diff --git a/t/moe/pipeline.py b/t/moe/pipeline.py
index 1804c5b..f14a0f5 100644
--- a/t/moe/pipeline.py
+++ b/t/moe/pipeline.py
@@ -3,8 +3,17 @@
 import sys
 import bisect
 import imp
+import moe
 import moe.log
 
+class MoePipeError(moe.MoeError):
+    """Failure of the MoePipeline."""
+
+class MoeAbortPipeline(Exception):
+
+    def __init__(self, skip_to=999):
+	self.skip_to = skip_to
+
 class MoePipeline:
     """Moe pipeline."""
 
@@ -17,28 +26,40 @@ class MoePipeline:
 	triple = (pri,name,fun)
 	pos = bisect.bisect(self.pipe, triple)
 	if pos <= self.index:
-	    raise RuntimeError, "MoePipeline.insert cannot alter the past"
+	    raise MoePipeError, "Pipeline insert cannot alter the past"
 	self.pipe.insert(pos, triple)
 
-    def dump(self, file=sys.stdout):
+    def dump(self, file=sys.stdout, prefix=""):
 	file.write(">>> Pipeline %s\n" % self.name)
 	for pri,name,fun in self.pipe:
-	    file.write("%03d %s\n" % (pri,name))
+	    file.write("%s%03d %s\n" % (prefix,pri,name))
 
     def run(self, *args):
 	self.index = 0
+	min_pri = -1
 	while self.index < len(self.pipe):
 	    (pri,name,fun) = self.pipe[self.index]
-	    moe.log.verbose(">> Running %s:%s\n" % (self.name,name))
-	    fun(*args)
+	    if pri >= min_pri:
+		moe.log.default.verbose(">> Running %s:%s\n" % (self.name,name))
+		try:
+		    fun(*args)
+		except MoeAbortPipeline, err:
+		    min_pri = err.skip_to
+	    else:
+		moe.log.default.verbose(">> Skipping %s:%s\n" % (self.name,name))
 	    self.index += 1
 	self.index = -1
+	moe.log.default.verbose(">> Pipeline %s finished\n" % self.name)
 
     def add_hook(self, name):
 	modname = "moe.hooks." + name
-	moe.log.verbose(">> Loading hook %s\n" % name)
+	moe.log.default.verbose(">> Loading hook %s\n" % name)
 	if not sys.modules.has_key(modname):
-	    fp, path, desc = imp.find_module(name, ["moe/hooks"])
+	    ## FIXME: Configuration variable for the hook directory?
+	    try:
+		fp, path, desc = imp.find_module(name, ["moe/hooks"])
+	    except ImportError:
+		raise MoePipeError, "Cannot find hook module " + modname
 	    try:
 		imp.load_module(modname, fp, path, desc)
 	    finally: