t/moe/eval.py

   1 #!/usr/bin/env python
   2
   3 import moe
   4 import moe.config
   5 import moe.log
   6 import moe.meta
   7 import moe.pipeline
   8 import moe.batch
   9 import moe.util
  10 import os.path
  11 import shutil
  12
  13 class Eval:
  14
  15     def __init__(self):
  16         self.log = moe.log.default
  17         self.cfgs = moe.config.MoeConfigStack()
  18         self.builtins = moe.config.MoeConfig(type="builtins")
  19         self.cfgs.push(self.builtins)
  20         self.main_pipe = moe.pipeline.MoePipeline("main")
  21         self.meta = moe.meta.MoeMeta()
  22         pass
  23
  24     def init(self, overrides=None):
  25         self.log.progress("Initializing... ")
  26         self.init_global(overrides)
  27         self.init_test()
  28         self.init_logs()
  29         self.init_task()
  30         self.log.progress("OK\n")
  31
  32     def init_global(self, overrides):
  33         main_cfg = moe.config.MoeConfig(name = os.path.join(self.cfgs['HOME'], "config"), type="main")
  34         self.cfgs.push(main_cfg)
  35         if overrides:
  36             self.cfgs.push(overrides)
  37
  38     def init_test(self):
  39         test = self.cfgs['TEST_DIR']
  40         if os.path.isdir(test):
  41             shutil.rmtree(test)
  42         try:
  43             moe.util.mkdir_tree(test)
  44         except OSError, e:
  45             raise moe.MoeErr, "Cannot create %s: %s" % (test, e.strerror)
  46
  47     def init_logs(self):
  48         self.log = moe.log.MoeLog()
  49         if self.cfgs["V"]:
  50             self.log.verbosity = int(self.cfgs["V"])
  51         self.log.log_file = open(os.path.join(self.cfgs["TEST_DIR"], "log"), "w")
  52         self.default_log = self.log
  53         moe.log.default = self.log
  54         self.log_config(3, "before loading the task")
  55
  56     def init_task(self):
  57         task = self.cfgs['TASK']
  58         task_dir = self.cfgs['TASK_DIR']
  59         if not os.path.isdir(task_dir):
  60             raise moe.MoeErr, "No such task %s" % task
  61
  62         task_cfg = moe.config.MoeConfig(name = os.path.join(task_dir, "config"), type='task')
  63         self.cfgs.push(task_cfg)
  64         self.log_config(3, "after loading the task")
  65
  66         self.meta["task"] = task
  67
  68         type = self.cfgs['TASK_TYPE']
  69         if type == "batch" or type == "interactive":
  70             moe.batch.prepare_pipe(self)
  71         elif type == "opendata":
  72             raise moe.MoeErr, "Opendata tasks not implemented yet"
  73         else:
  74             raise moe.MoeErr, "Unknown task type " + type
  75
  76     def run(self):
  77         self.log_config(2, "for the task pipeline")
  78         self.main_pipe.configure(self.cfgs["HOOKS"])
  79         if self.log.verbosity >= 2:
  80             self.main_pipe.dump(self.log.log_file, prefix="\t")
  81         self.main_pipe.run(self)
  82
  83     def log_config(self, verb, msg):
  84         if self.log.verbosity >= verb:
  85             self.log.say("@@@ Configuration stack %s @@@\n" % msg)
  86             self.cfgs.dump_defs(self.log.log_file, prefix="\t")
  87         if self.log.verbosity >= 99:
  88             self.log.say("@@@@@@ Resolved configuration %s @@@@@@\n" % msg)
  89             self.cfgs.dump(self.log.log_file, prefix="\t")