t/moe/eval.py

   1 #!/usr/bin/env python
   2
   3 import moe
   4 import moe.config
   5 import moe.box
   6 import moe.log
   7 import moe.status
   8 import moe.pipeline
   9 import moe.batch
  10 import moe.util
  11 import os.path
  12 import shutil
  13
  14 class Eval:
  15     """
  16     """
  17
  18     def __init__(self):
  19         self.log = moe.log.Logers()
  20         self.config = moe.config.ConfigTree()
  21         self.main_pipe = moe.pipeline.MoePipeline("main")
  22         self.test_pipe = moe.pipeline.MoePipeline("test")
  23         self.stat = moe.status.MoeStatus()
  24
  25     def __getitem__(self, key):
  26         return self.config[key]
  27
  28     def init(self, overrides=[]):
  29         "Initializes most part of Eval before running the pipeline. See the timeline for details."
  30         self.log.info("Initializing ...")
  31
  32         # set basic builtins
  33         self.config.parse('HOME=\'%s\'' % os.getcwd(), source="<builtins>", level=0)
  34         self.config.parse('CONFIG="{HOME}/config"', source="<builtins>", level=0)
  35         self.config.parse('LOG="{HOME}/log"', source="<builtins>", level=0)
  36         self.config.parse('DEBUG_LEVEL="0"', source="<builtins>", level=0)
  37         self.config.parse('VERBOSE=""', source="<builtins>", level=0)
  38         self.config.parse('TDIR="{HOME}/test"', source="<temp-builtins>", level=0) # -> config
  39         self.config.parse('USER_LOG="{TDIR}/log"', source="<temp-builtins>", level=0) # -> config
  40         # apply overrides
  41         for ov in overrides:
  42           self.config.parse(ov, source="<overrides>", level=100)
  43
  44         # load config file
  45         self.config.fix('CONFIG')
  46         self.config.parse_file(self['CONFIG'], level=30)
  47         # fix variables
  48         self.config.fix(['LOG', 'USER_LOG', 'VERBOSE', 'HOME', 'DEBUG_LEVEL', 'TDIR'])
  49         # start logging
  50         self.log.open_eval_log(self['LOG'], self['DEBUG_LEVEL'], redirect_fds = True)
  51         self.log.open_user_log(self['USER_LOG'])
  52         self.debug_dump_config()
  53
  54         # init and check TDIR
  55         self.debug('Cleaning TDIR: %s'%self['TDIR'])
  56         self.init_TDIR()
  57
  58         # insert hooks into main pipeline
  59         # TODO
  60         # TODO moe.box.init(self)
  61
  62         # insert custom hooks
  63         self.conf.fix('HOOKS')
  64         self.main_pipe.configure(self['HOOKS'])
  65
  66     def run(self):
  67         "Run the main pipeline."
  68         self.debug_dump_pipe(self.main_pipe)
  69         self.debug('Running main pipeline')
  70         self.main_pipe.run(self)
  71
  72
  73     def init_TDIR(self):
  74         test = self['TDIR']
  75         if os.path.isdir(test):
  76             shutil.rmtree(test)
  77         try: #TODO: Remove
  78             moe.util.mkdir_tree(test)
  79         except OSError, err:
  80             raise moe.MoeError, "Cannot create %s: %s" % (test, err.strerror)
  81
  82     def debug_dump_config(self):
  83       "Dumps config at level DDEBUG (only compiles the dump if main level is low enough)."
  84       if self.log.level <= 5:
  85         self.log.ddebug('****** Config dump: ******')
  86         self.log.ddebug(self.config.dump('**** '))
  87         self.log.ddebug('**************************')
  88
  89     def debug_dump_pipe(self, pipe):
  90       "Dumps pipeline `pipe` at level DDEBUG (only compiles the dump if main level low enough)."
  91       if self.log.level <= 5:
  92         self.log.ddebug('****** Pipeline %r dump: ******'%pipe,name)
  93         self.log.ddebug(pipe.dump(prefix='**** '))
  94         self.log.ddebug('**************************')
  95
  96 #TODO ...
  97     def init_task(self):
  98         task = self['TASK']
  99         task_dir = self['PDIR']
 100         if not os.path.isdir(task_dir):
 101             raise moe.MoeError, "No such task %s" % task
 102
 103         task_cfg = moe.config.MoeConfig(name = os.path.join(task_dir, "config"), type='task')
 104         self.cfgs.push(task_cfg)
 105         self.log_config(3, "after loading the task")
 106
 107         self.stat["task"] = task
 108
 109         type = self['TASK_TYPE']
 110         if type == "batch" or type == "interactive":
 111             moe.batch.prepare_pipe(self)
 112         elif type == "opendata":
 113             raise moe.MoeError, "Opendata tasks not implemented yet"
 114         else:
 115             raise moe.MoeError, "Unknown task type " + type
 116