[23] | 1 | #!/usr/bin/env python |
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| 2 | |
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[26] | 3 | # Specify debugging level here; |
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| 4 | # |
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| 5 | DEBUG_LEVEL = 10 |
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| 6 | |
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| 7 | # Wether or not to run as a daemon in background |
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| 8 | # |
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| 9 | DAEMONIZE = 0 |
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| 10 | |
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[23] | 11 | from PBSQuery import PBSQuery |
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[26] | 12 | import sys |
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| 13 | import time |
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[23] | 14 | |
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| 15 | class PBSDataGatherer: |
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| 16 | |
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| 17 | def __init__( self ): |
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| 18 | |
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| 19 | self.pq = PBSQuery() |
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[26] | 20 | self.jobs = { } |
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[23] | 21 | |
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[26] | 22 | def getAttr( self, attrs, name ): |
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| 23 | |
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| 24 | if attrs.has_key( name ): |
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| 25 | return attrs[name] |
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| 26 | else: |
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| 27 | return '' |
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| 28 | |
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| 29 | def jobDataChanged( self, jobs, job_id, attrs ): |
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| 30 | |
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| 31 | if jobs.has_key( job_id ): |
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| 32 | oldData = jobs[ job_id ] |
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| 33 | else: |
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| 34 | return 1 |
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| 35 | |
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| 36 | for name, val in attrs.items(): |
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| 37 | |
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| 38 | if oldData.has_key( name ): |
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| 39 | |
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| 40 | if oldData[ name ] != attrs[ name ]: |
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| 41 | |
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| 42 | return 1 |
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| 43 | |
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| 44 | else: |
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| 45 | return 1 |
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| 46 | |
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| 47 | return 0 |
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| 48 | |
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| 49 | def getJobData( self ): |
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| 50 | |
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| 51 | jobs = self.jobs |
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| 52 | |
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| 53 | joblist = self.pq.getjobs() |
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| 54 | |
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| 55 | jobs_processed = [ ] |
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| 56 | |
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| 57 | for name, attrs in joblist.items(): |
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| 58 | |
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| 59 | job_id = name.split( '.' )[0] |
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| 60 | |
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| 61 | jobs_processed.append( job_id ) |
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[25] | 62 | |
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[26] | 63 | name = self.getAttr( attrs, 'Job_Name' ) |
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| 64 | queue = self.getAttr( attrs, 'queue' ) |
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| 65 | owner = self.getAttr( attrs, 'Job_Owner' ).split( '@' )[0] |
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| 66 | requested_time = self.getAttr( attrs, 'Resource_List.walltime' ) |
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| 67 | requested_memory = self.getAttr( attrs, 'Resource_List.mem' ) |
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| 68 | mynoderequest = self.getAttr( attrs, 'Resource_List.nodes' ) |
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| 69 | if mynoderequest.find( ':' ) != -1 and mynoderequest.find( 'ppn' ) != -1: |
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| 70 | ppn = mynoderequest.split( ':' )[1].split( 'ppn=' )[1] |
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| 71 | else: |
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| 72 | ppn = '' |
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| 73 | status = self.getAttr( attrs, 'job_state' ) |
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| 74 | start_timestamp = self.getAttr( attrs, 'mtime' ) |
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| 75 | stop_timestamp = '' |
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[25] | 76 | |
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[26] | 77 | myAttrs = { } |
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| 78 | myAttrs['name'] = name |
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| 79 | myAttrs['queue'] = queue |
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| 80 | myAttrs['owner'] = owner |
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| 81 | myAttrs['requested_time'] = requested_time |
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| 82 | myAttrs['requested_memory'] = requested_memory |
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| 83 | myAttrs['ppn'] = ppn |
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| 84 | myAttrs['status'] = status |
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| 85 | myAttrs['start_timestamp'] = start_timestamp |
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| 86 | myAttrs['stop_timestamp'] = stop_timestamp |
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| 87 | |
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| 88 | if self.jobDataChanged( jobs, job_id, myAttrs ): |
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| 89 | jobs[ job_id ] = myAttrs |
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| 90 | debug_msg( 10, printTime() + ' job %s state changed' %(job_id) ) |
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| 91 | self.printJob( job_id ) |
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| 92 | |
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| 93 | for id, attrs in jobs.items(): |
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| 94 | |
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| 95 | # This job was there in the last run, and not anymore |
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| 96 | # it must have finished |
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| 97 | |
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| 98 | if id not in jobs_processed and attrs['stop_timestamp'] == '': |
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| 99 | |
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| 100 | jobs[ id ]['status'] = 'D' |
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| 101 | jobs[ id ]['stop_timestamp'] = time.time() |
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| 102 | debug_msg( 10, printTime() + ' job %s finished' %(id) ) |
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| 103 | self.printJob( id ) |
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| 104 | |
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| 105 | self.jobs = jobs |
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| 106 | |
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| 107 | def printJobs( self ): |
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| 108 | |
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| 109 | for name, attrs in self.jobs.items(): |
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| 110 | |
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| 111 | print 'job %s' %(name) |
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| 112 | |
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| 113 | for name, val in attrs.items(): |
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| 114 | |
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| 115 | print '\t%s = %s' %( name, val ) |
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| 116 | |
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| 117 | def printJob( self, job_id ): |
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| 118 | |
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| 119 | print 'job %s' %(job_id) |
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| 120 | |
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| 121 | for name, val in self.jobs[ job_id ].items(): |
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| 122 | |
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| 123 | print '\t%s = %s' %( name, val ) |
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| 124 | |
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| 125 | def daemon( self ): |
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| 126 | "Run as daemon forever" |
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| 127 | |
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| 128 | self.DAEMON = 1 |
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| 129 | |
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| 130 | # Fork the first child |
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| 131 | # |
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| 132 | pid = os.fork() |
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| 133 | if pid > 0: |
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| 134 | sys.exit(0) # end parrent |
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| 135 | |
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| 136 | # creates a session and sets the process group ID |
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| 137 | # |
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| 138 | os.setsid() |
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| 139 | |
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| 140 | # Fork the second child |
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| 141 | # |
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| 142 | pid = os.fork() |
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| 143 | if pid > 0: |
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| 144 | sys.exit(0) # end parrent |
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| 145 | |
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| 146 | # Go to the root directory and set the umask |
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| 147 | # |
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| 148 | os.chdir('/') |
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| 149 | os.umask(0) |
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| 150 | |
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| 151 | sys.stdin.close() |
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| 152 | sys.stdout.close() |
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| 153 | sys.stderr.close() |
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| 154 | |
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| 155 | os.open('/dev/null', 0) |
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| 156 | os.dup(0) |
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| 157 | os.dup(0) |
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| 158 | |
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| 159 | self.run() |
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| 160 | |
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| 161 | def run( self ): |
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| 162 | "Main thread" |
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| 163 | |
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| 164 | while ( 1 ): |
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| 165 | |
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| 166 | self.getJobData() |
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| 167 | time.sleep( 1 ) |
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| 168 | |
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| 169 | def printTime( ): |
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| 170 | |
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| 171 | return time.strftime("%a, %d %b %Y %H:%M:%S") |
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| 172 | |
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| 173 | def debug_msg( level, msg ): |
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| 174 | |
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| 175 | if (DEBUG_LEVEL >= level): |
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| 176 | sys.stderr.write( msg + '\n' ) |
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| 177 | |
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[23] | 178 | def main(): |
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| 179 | |
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| 180 | gather = PBSDataGatherer() |
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[26] | 181 | if DAEMONIZE: |
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| 182 | gather.daemon() |
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| 183 | else: |
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| 184 | gather.run() |
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[23] | 185 | |
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| 186 | if __name__ == '__main__': |
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| 187 | main() |
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