<s> import logging <EOL> import os <EOL> import re <EOL> import subprocess <EOL> import warnings <EOL> from luigi import six <EOL> import luigi . configuration <EOL> import luigi . contrib . hadoop <EOL> import luigi . contrib . hadoop_jar <EOL> import luigi . contrib . hdfs <EOL> from luigi import LocalTarget <EOL> from luigi . task import flatten <EOL> logger = logging . getLogger ( '<STR_LIT>' ) <EOL> """<STR_LIT>""" <EOL> class ScaldingJobRunner ( luigi . contrib . hadoop . JobRunner ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self ) : <EOL> conf = luigi . configuration . get_config ( ) <EOL> default = os . environ . get ( '<STR_LIT>' , '<STR_LIT>' ) <EOL> self . scala_home = conf . get ( '<STR_LIT>' , '<STR_LIT>' , default ) <EOL> default = os . environ . get ( '<STR_LIT>' , '<STR_LIT>' ) <EOL> self . scalding_home = conf . get ( '<STR_LIT>' , '<STR_LIT>' , default ) <EOL> self . provided_dir = conf . get ( <EOL> '<STR_LIT>' , '<STR_LIT>' , os . path . join ( default , '<STR_LIT>' ) ) <EOL> self . libjars_dir = conf . get ( <EOL> '<STR_LIT>' , '<STR_LIT>' , os . path . join ( default , '<STR_LIT>' ) ) <EOL> self . tmp_dir = LocalTarget ( is_tmp = True ) <EOL> def _get_jars ( self , path ) : <EOL> return [ os . path . join ( path , j ) for j in os . listdir ( path ) <EOL> if j . endswith ( '<STR_LIT>' ) ] <EOL> def get_scala_jars ( self , include_compiler = False ) : <EOL> lib_dir = os . path . join ( self . scala_home , '<STR_LIT>' ) <EOL> jars = [ os . path . join ( lib_dir , '<STR_LIT>' ) ] <EOL> reflect = os . path . join ( lib_dir , '<STR_LIT>' ) <EOL> if os . path . exists ( reflect ) : <EOL> jars . append ( reflect ) <EOL> if include_compiler : <EOL> jars . append ( os . path . join ( lib_dir , '<STR_LIT>' ) ) <EOL> return jars <EOL> def get_scalding_jars ( self ) : <EOL> lib_dir = os . path . join ( self . scalding_home , '<STR_LIT>' ) <EOL> return self . _get_jars ( lib_dir ) <EOL> def get_scalding_core ( self ) : <EOL> lib_dir = os . path . join ( self . scalding_home , '<STR_LIT>' ) <EOL> for j in os . listdir ( lib_dir ) : <EOL> if j . startswith ( '<STR_LIT>' ) : <EOL> p = os . path . join ( lib_dir , j ) <EOL> logger . debug ( '<STR_LIT>' , p ) <EOL> return p <EOL> raise luigi . contrib . hadoop . HadoopJobError ( '<STR_LIT>' ) <EOL> def get_provided_jars ( self ) : <EOL> return self . _get_jars ( self . provided_dir ) <EOL> def get_libjars ( self ) : <EOL> return self . _get_jars ( self . libjars_dir ) <EOL> def get_tmp_job_jar ( self , source ) : <EOL> job_name = os . path . basename ( os . path . splitext ( source ) [ <NUM_LIT:0> ] ) <EOL> return os . path . join ( self . tmp_dir . path , job_name + '<STR_LIT>' ) <EOL> def get_build_dir ( self , source ) : <EOL> build_dir = os . path . join ( self . tmp_dir . path , '<STR_LIT>' ) <EOL> return build_dir <EOL> def get_job_class ( self , source ) : <EOL> job_name = os . path . splitext ( os . path . basename ( source ) ) [ <NUM_LIT:0> ] <EOL> package = None <EOL> job_class = None <EOL> for l in open ( source ) . readlines ( ) : <EOL> p = re . search ( r'<STR_LIT>' , l ) <EOL> if p : <EOL> package = p . groups ( ) [ <NUM_LIT:0> ] <EOL> p = re . search ( r'<STR_LIT>' , l ) <EOL> if p : <EOL> job_class = p . groups ( ) [ <NUM_LIT:0> ] <EOL> if job_class == job_name : <EOL> break <EOL> if job_class : <EOL> if package : <EOL> job_class = package + '<STR_LIT:.>' + job_class <EOL> logger . debug ( '<STR_LIT>' , job_class ) <EOL> return job_class <EOL> else : <EOL> raise luigi . contrib . hadoop . HadoopJobError ( '<STR_LIT>' ) <EOL> def build_job_jar ( self , job ) : <EOL> job_jar = job . jar ( ) <EOL> if job_jar : <EOL> if not os . path . exists ( job_jar ) : <EOL> logger . error ( "<STR_LIT>" , job_jar , os . path . abspath ( job_jar ) ) <EOL> raise Exception ( "<STR_LIT>" ) <EOL> if not job . job_class ( ) : <EOL> logger . error ( "<STR_LIT>" ) <EOL> raise Exception ( "<STR_LIT>" ) <EOL> return job_jar <EOL> job_src = job . source ( ) <EOL> if not job_src : <EOL> logger . error ( "<STR_LIT>" ) <EOL> raise Exception ( "<STR_LIT>" ) <EOL> if not os . path . exists ( job_src ) : <EOL> logger . error ( "<STR_LIT>" , job_src , os . path . abspath ( job_src ) ) <EOL> raise Exception ( "<STR_LIT>" ) <EOL> job_src = job . source ( ) <EOL> job_jar = self . get_tmp_job_jar ( job_src ) <EOL> build_dir = self . get_build_dir ( job_src ) <EOL> if not os . path . exists ( build_dir ) : <EOL> os . makedirs ( build_dir ) <EOL> classpath = '<STR_LIT::>' . join ( filter ( None , <EOL> self . get_scalding_jars ( ) + <EOL> self . get_provided_jars ( ) + <EOL> self . get_libjars ( ) + <EOL> job . extra_jars ( ) ) ) <EOL> scala_cp = '<STR_LIT::>' . join ( self . get_scala_jars ( include_compiler = True ) ) <EOL> arglist = [ '<STR_LIT>' , '<STR_LIT>' , scala_cp , '<STR_LIT>' , <EOL> '<STR_LIT>' , classpath , <EOL> '<STR_LIT>' , build_dir , job_src ] <EOL> logger . info ( '<STR_LIT>' , subprocess . list2cmdline ( arglist ) ) <EOL> subprocess . check_call ( arglist ) <EOL> arglist = [ '<STR_LIT>' , '<STR_LIT>' , job_jar , '<STR_LIT>' , build_dir , '<STR_LIT:.>' ] <EOL> logger . info ( '<STR_LIT>' , subprocess . list2cmdline ( arglist ) ) <EOL> subprocess . check_call ( arglist ) <EOL> return job_jar <EOL> def run_job ( self , job , tracking_url_callback = None ) : <EOL> if tracking_url_callback is not None : <EOL> warnings . warn ( "<STR_LIT>" <EOL> "<STR_LIT>" , DeprecationWarning ) <EOL> job_jar = self . build_job_jar ( job ) <EOL> jars = [ job_jar ] + self . get_libjars ( ) + job . extra_jars ( ) <EOL> scalding_core = self . get_scalding_core ( ) <EOL> libjars = '<STR_LIT:U+002C>' . join ( filter ( None , jars ) ) <EOL> arglist = luigi . contrib . hdfs . load_hadoop_cmd ( ) + [ '<STR_LIT>' , scalding_core , '<STR_LIT>' , libjars ] <EOL> arglist += [ '<STR_LIT>' % c for c in job . jobconfs ( ) ] <EOL> job_class = job . job_class ( ) or self . get_job_class ( job . source ( ) ) <EOL> arglist += [ job_class , '<STR_LIT>' ] <EOL> arglist += [ '<STR_LIT>' , job . task_id . replace ( '<STR_LIT:=>' , '<STR_LIT::>' ) ] <EOL> ( tmp_files , job_args ) = luigi . contrib . hadoop_jar . fix_paths ( job ) <EOL> arglist += job_args <EOL> env = os . environ . copy ( ) <EOL> jars . append ( scalding_core ) <EOL> hadoop_cp = '<STR_LIT::>' . join ( filter ( None , jars ) ) <EOL> env [ '<STR_LIT>' ] = hadoop_cp <EOL> logger . info ( "<STR_LIT>" , <EOL> hadoop_cp , subprocess . list2cmdline ( arglist ) ) <EOL> luigi . contrib . hadoop . run_and_track_hadoop_job ( arglist , job . set_tracking_url , env = env ) <EOL> for a , b in tmp_files : <EOL> a . move ( b ) <EOL> class ScaldingJobTask ( luigi . contrib . hadoop . BaseHadoopJobTask ) : <EOL> """<STR_LIT>""" <EOL> def relpath ( self , current_file , rel_path ) : <EOL> """<STR_LIT>""" <EOL> script_dir = os . path . dirname ( os . path . abspath ( current_file ) ) <EOL> rel_path = os . path . abspath ( os . path . join ( script_dir , rel_path ) ) <EOL> return rel_path <EOL> def source ( self ) : <EOL> """<STR_LIT>""" <EOL> return None <EOL> def jar ( self ) : <EOL> """<STR_LIT>""" <EOL> return None <EOL> def extra_jars ( self ) : <EOL> """<STR_LIT>""" <EOL> return [ ] <EOL> def job_class ( self ) : <EOL> """<STR_LIT>""" <EOL> return None <EOL> def job_runner ( self ) : <EOL> return ScaldingJobRunner ( ) <EOL> def atomic_output ( self ) : <EOL> """<STR_LIT>""" <EOL> return True <EOL> def requires ( self ) : <EOL> return { } <EOL> def job_args ( self ) : <EOL> """<STR_LIT>""" <EOL> return [ ] <EOL> def args ( self ) : <EOL> """<STR_LIT>""" <EOL> arglist = [ ] <EOL> for k , v in six . iteritems ( self . requires_hadoop ( ) ) : <EOL> arglist . append ( '<STR_LIT>' + k ) <EOL> arglist . extend ( [ t . output ( ) . path for t in flatten ( v ) ] ) <EOL> arglist . extend ( [ '<STR_LIT>' , self . output ( ) ] ) <EOL> arglist . extend ( self . job_args ( ) ) <EOL> return arglist </s>
