X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=t%2Fmoe%2Fpipeline.py;h=1b2d98a581fbf9e24a94120e273ec27a5d520900;hb=9f4eaf4234e6a7074fca72a3a9229d75035daac8;hp=a064c619f35da7c0baa7120c1580c4f6db61795d;hpb=68ef17dd956952f2a559bf9250628aa366884521;p=moe.git

diff --git a/t/moe/pipeline.py b/t/moe/pipeline.py
index a064c61..1b2d98a 100644
--- a/t/moe/pipeline.py
+++ b/t/moe/pipeline.py
@@ -1,10 +1,7 @@
 #!/usr/bin/env python
 
-import sys
 import bisect
-import imp
 import moe
-import moe.log
 
 class MoePipeError(moe.MoeError):
     """Failure of the MoePipeline."""
@@ -14,25 +11,46 @@ class MoeAbortPipeline(Exception):
     def __init__(self, skip_to=999):
 	self.skip_to = skip_to
 
-class MoePipeline:
+class Pipeline:
     """Moe pipeline."""
 
-    def __init__(self, name):
+    def __init__(self, e, name, skip_to = 70):
+	# e is Eval
+	self.e = e
         self.pipe = []
 	self.index = -1
 	self.name = name
+	self.skip_to = skip_to
+
+    def insert(self, pri, fun, desc='', name=None):
+	"""Insert callable `fun` to time `pri`, 
+	`desc` is optional description, 
+	`name` is the "module.function" name, guessed by default.
+	"""
+	assert(isinstance(pri, int))
+	assert(callable(fun))
+	if name is None:
+	    name = fun.__module__ + '.' + fun.__name__
+	if desc:
+	    desc += ' '
+	desc += '[' + name + ']'
 
-    def insert(self, pri, name, fun):
-	triple = (pri,name,fun)
+	triple = (pri, desc, fun)
 	pos = bisect.bisect(self.pipe, triple)
 	if pos <= self.index:
-	    raise MoePipeError, "Pipeline insert cannot alter the past"
+	    raise MoePipeError, "Pipeline %r at time %d: Insert cannot alter the past (time %d)" \
+		% (self.name, self.index, pri)
 	self.pipe.insert(pos, triple)
 
-    def dump(self, file=sys.stdout, prefix=""):
-	file.write(">>> Pipeline %s\n" % self.name)
-	for pri,name,fun in self.pipe:
-	    file.write("%s%03d %s\n" % (prefix,pri,name))
+    def dump(self, prefix=""):
+	"""
+	Debugging dump of the pipe.
+	Returns a list of lines.
+	"""
+	l=["%s >>> Pipeline %s" % (prefix, self.name)]
+	for pri, name, fun in self.pipe:
+	    l.append("%s% 3d %s" % (prefix, pri, name))
+	return l
 
     def run(self, *args, **kwargs):
 	self.index = 0
@@ -40,17 +58,14 @@ class MoePipeline:
 	while self.index < len(self.pipe):
 	    (pri,name,fun) = self.pipe[self.index]
 	    if pri >= min_pri:
-		moe.log.default.verbose(">> Running %s:%s\n" % (self.name,name))
+		self.e.log.debug("Pipeline %r:%d running: %s" % (self.name, pri, name))
 		try:
 		    fun(*args, **kwargs)
 		except MoeAbortPipeline, err:
-		    min_pri = err.skip_to
+		    min_pri = self.skip_to
 	    else:
-		moe.log.default.verbose(">> Skipping %s:%s\n" % (self.name,name))
+		self.e.log.debug("Pipeline %r:d skipping: %s" % (self.name, pri, name))
 	    self.index += 1
 	self.index = -1
-	moe.log.default.verbose(">> Pipeline %s finished\n" % self.name)
+	self.e.log.debug("Pipeline %r finished" % (self.name))
 
-    def configure(self, names):
-	for name in names.split():
-	    self.add_hook(name)