| 1 | #----------------------------------#
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| 2 | # -- Author: V.Garonne
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| 3 | # -- Mail: garonne@lal.in2p3.fr
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| 4 | # -- Date: 08/25/2006
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| 5 | # -- Name: tbroadcast
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| 6 | # -- Description: main class
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| 7 | #----------------------------------#
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| 8 |
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| 9 | import os
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| 10 | import sys
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| 11 | import time
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| 12 | import string
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| 13 | import random
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| 14 | import os.path
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| 15 | import commands
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| 16 | import traceback
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| 17 | from threading import BoundedSemaphore
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| 18 |
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| 19 | from threadpool import WorkRequest
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| 20 | from threadpool import ThreadPool
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| 21 | from threadpool import NoResultsPending
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| 22 | from threadpool import NoWorkersAvailable
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| 23 | from threadpool import makeRequests
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| 24 | from executer import exeCommand
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| 25 |
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| 26 | class Scheduler:
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| 27 |
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| 28 | def __init__(self, num_workers=20, file=None, ignore_cycles=False, local=False, output=None, error=None, silent = False, perf=False):
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| 29 | self.pool = ThreadPool(num_workers=num_workers)
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| 30 | self.current_package = self.get_current_package()
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| 31 | self.current_project = {'name': None, 'path': None, 'version': None}
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| 32 | self.packages = {}
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| 33 | self.counter = 0
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| 34 | self.semaphore = BoundedSemaphore(1)
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| 35 | self.local = local
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| 36 | self.ignore_cycles = ignore_cycles
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| 37 | self.output = output
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| 38 | self.error = error
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| 39 | self.silent = silent
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| 40 | self.perf = perf
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| 41 | if self.perf is not False:
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| 42 | f = open (self.perf, 'w+')
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| 43 | f.close()
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| 44 | if output is not None:
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| 45 | if not os.path.exists (output):
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| 46 | print "path",output,"no exits"
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| 47 | sys.exit(-1)
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| 48 | if not os.path.isdir(output):
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| 49 | print "path",output,"no a valid directory"
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| 50 | sys.exit(-1)
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| 51 |
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| 52 | self.get_current_project()
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| 53 | self.instanciate_packages (file)
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| 54 | if self.local: self.get_local_graph()
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| 55 | self.check_cycles()
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| 56 |
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| 57 | # status, output = commands.getstatusoutput("cmt broadcast -local 'echo <package>'")
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| 58 | # lignes = string.split(output, '\n')
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| 59 | # i = 1
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| 60 | # for package in lignes:
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| 61 | # if package!='' and package[0] != '#':
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| 62 | # print i , package
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| 63 | # i =i +1
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| 64 | # if not self.packages.has_key(package):
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| 65 | # print package
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| 66 | # print len(self.packages)
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| 67 | # sys.exit(-1)
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| 68 |
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| 69 | def get_current_project(self):
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| 70 | cmd = 'cmt show projects | grep current'
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| 71 | status, output = commands.getstatusoutput (cmd)
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| 72 | if status != 0:
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| 73 | print output
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| 74 | sys.exit(-1)
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| 75 | lines = string.split(output, '\n')
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| 76 | for line in lines:
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| 77 | if line!='' and line [0] != '#':
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| 78 | item = string.split (line, ' ')
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| 79 | self.current_project ['name'] = item[0]
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| 80 | self.current_project ['version'] = item[1]
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| 81 | self.current_project ['path'] = item[3][:-1]
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| 82 | version = self.current_project ['path'][len(self.current_project ['path'])-len(self.current_project ['version'] ):]
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| 83 | if self.current_project ['version'] == version:
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| 84 | self.current_project ['path'] = os.path.normpath(self.current_project ['path'][:-len(self.current_project ['version'] )])
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| 85 | #print self.current_project
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| 86 |
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| 87 | def get_counter(self):
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| 88 | self.semaphore.acquire ()
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| 89 | self.counter = self.counter + 1
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| 90 | value = self.counter
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| 91 | self.semaphore.release()
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| 92 | return value
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| 93 |
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| 94 | def check_cycles (self):
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| 95 | cmd = 'cmt -private show cycles'
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| 96 | cycle_found = False
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| 97 | status, output = commands.getstatusoutput (cmd)
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| 98 | if status != 0:
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| 99 | print output
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| 100 | sys.exit(-1)
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| 101 | lines = string.split(output, '\n')
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| 102 | cycles = list ()
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| 103 | for line in lines:
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| 104 | if line!='' and line [0] != '#':
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| 105 | cycles.append (string.split(line))
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| 106 | cercles =list()
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| 107 | for cycle in cycles:
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| 108 | cycleInProject = True
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| 109 | for package in cycle:
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| 110 | if not self.packages.has_key(package):
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| 111 | cycleInProject = False
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| 112 | if cycleInProject:
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| 113 | cercles.append(cycle)
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| 114 | if len(cercles):
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| 115 | if not self.ignore_cycles:
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| 116 | print "# Error: cycles found, not possible to execute broadcast with threads. Please correct the following cycles:"
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| 117 | for cycle in cercles:
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| 118 | loop = ""
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| 119 | for package in cycle:
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| 120 | loop = loop + package + ' -> '
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| 121 | print loop + '...'
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| 122 | sys.exit(-1)
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| 123 | else:
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| 124 | print "# Warning: There are cycles and you have selected the automatic suppress cycles mode"
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| 125 | for cycle in cercles:
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| 126 | loop = ""
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| 127 | for package in cycle:
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| 128 | loop = loop + package + ' -> '
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| 129 | if cycle[0] in self.packages[cycle[len(cycle)-1]]['uses']:
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| 130 | print '## In cycle: '+loop + '..., we suppress the dependency '+ cycle[len(cycle)-1]+'->'+cycle[0]
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| 131 | self.packages[cycle[len(cycle)-1]]['uses'].remove(cycle[0])
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| 132 | # sys.exit(-1)
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| 133 |
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| 134 | def format_uses (self, content):
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| 135 | # format variables
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| 136 | lignes = string.split(content, '\n')
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| 137 | lines = list()
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| 138 | for ligne in lignes:
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| 139 | if ligne [0] == '#' and ligne[:5] != "#CMT>" and ligne[:10] != "# Required" and ligne not in ['# Selection :','#']:
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| 140 | lines.append(ligne)
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| 141 | lines.reverse()
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| 142 | return lines
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| 143 |
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| 144 | def format_paths (self, content):
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| 145 | # format variables
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| 146 | lignes = string.split(content, '\n')
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| 147 | lines = list()
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| 148 | for ligne in lignes:
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| 149 | if ligne[:4] == "use ":
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| 150 | lines.append(ligne)
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| 151 | return lines
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| 152 |
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| 153 | def get_paths (self, content):
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| 154 | lines = self.format_paths(content)
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| 155 | for line in lines:
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| 156 | result = string.split (line[4:len(line)], ' ')
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| 157 | if self.packages.has_key(result[0]):
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| 158 | if len(result)==4:
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| 159 | name, version, offset, path = string.split (line[4:len(line)], " ")
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| 160 | #print name, version, offset, path
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| 161 | #print path[1:-1] + '/' + offset + '/' +name + '/' + version + '/cmt'
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| 162 | if path == '(no_auto_imports)':
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| 163 | path = offset
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| 164 | offset = ''
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| 165 | if os.path.exists(path[1:-1] + '/' + offset + '/' +name + '/' + version + '/cmt'):
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| 166 | full_path = path[1:-1] + '/' + offset + '/' +name + '/' + version + '/cmt'
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| 167 | elif os.path.exists(path[1:-1] + '/' + offset + '/' +name + '/cmt'):
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| 168 | full_path = path[1:-1] + '/' + offset + '/' +name + '/cmt'
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| 169 | else:
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| 170 | print '# error path not found for', name
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| 171 | sys.exit(-1)
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| 172 | elif len(result)==5:
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| 173 | name, version, offset, path, importation = string.split (line[4:len(line)], " ")
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| 174 | if os.path.exists(path[1:-1] + '/' + offset + '/' +name + '/' + version + '/cmt'):
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| 175 | full_path = path[1:-1] + '/' + offset + '/' +name + '/' + version + '/cmt'
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| 176 | elif os.path.exists(path[1:-1] + '/' + offset + '/' +name + '/cmt'):
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| 177 | full_path = path[1:-1] + '/' + offset + '/' +name + '/cmt'
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| 178 | else:
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| 179 | print '# error path not found for', name
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| 180 | sys.exit(-1)
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| 181 | elif len(result)==3:
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| 182 | name, version, path = string.split (line[4:len(line)], " ")
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| 183 | if os.path.exists(path[1:-1] + '/' +name + '/' + version + '/cmt'):
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| 184 | full_path = path[1:-1] + '/' +name + '/' + version + '/cmt'
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| 185 | elif os.path.exists(path[1:-1] + '/' +name + + '/cmt'):
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| 186 | full_path = path[1:-1] + '/' +name + + '/cmt'
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| 187 | else:
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| 188 | print '# error path not found for', name
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| 189 | sys.exit(-1)
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| 190 | else:
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| 191 | print "error:",line
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| 192 | print str(result)
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| 193 | sys.exit(-1)
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| 194 | self.packages[result[0]]['path'] = os.path.normpath(full_path)
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| 195 | commonprefix = os.path.commonprefix([self.packages[result[0]]['path'], self.current_project ['path']])
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| 196 | if os.path.normpath(commonprefix) == self.current_project ['path']:
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| 197 | #print result[0], ' belong to project', self.current_project ['name']
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| 198 | self.packages[result[0]]['current_project'] = True
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| 199 |
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| 200 | def get_uses(self, content):
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| 201 | # initiates variables
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| 202 | lignes = self.format_uses(content)
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| 203 | if not len(lignes): return
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| 204 | self.packages [self.current_package] = {'version': '*', 'client': list(),
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| 205 | 'uses': list(), 'status': 'waiting',
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| 206 | 'current_project': True, 'path': os.getcwd()}
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| 207 | previous_client = self.current_package
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| 208 | previous_level = 0
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| 209 | level_stack = [{'name':previous_client,'level':previous_level},]
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| 210 | ligne = lignes.pop()
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| 211 | while len(lignes)!=0:
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| 212 | current_level = string.find(ligne, 'use')
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| 213 | while current_level > previous_level:
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| 214 | name = string.split (ligne)[2]
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| 215 | version = string.split (ligne)[3]
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| 216 | if not self.packages.has_key (name):
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| 217 | self.packages [name] = {'version': version, 'uses': list(),
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| 218 | 'client': list(), 'status': 'waiting',
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| 219 | 'current_project': False, 'path': None}
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| 220 | if name not in self.packages[previous_client]['uses']:# and name != previous_client:
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| 221 | self.packages[previous_client]['uses'].append (name)
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| 222 | level_stack.append({'name':previous_client,'level':previous_level})
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| 223 | previous_client = name
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| 224 | previous_level = current_level
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| 225 | if len(lignes):
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| 226 | ligne = lignes.pop()
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| 227 | #print ligne
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| 228 | current_level = string.find(ligne, 'use')
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| 229 |
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| 230 | #self.packages [previous_client]['status'] ='queued'
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| 231 | # restore the level
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| 232 | if len(lignes):
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| 233 | if len(level_stack):
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| 234 | item = level_stack.pop()
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| 235 | while item['level'] >= current_level and len(level_stack):
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| 236 | item = level_stack.pop()
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| 237 | previous_client = item['name']
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| 238 | previous_level = item['level']
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| 239 | #print previous_client, '-->',string.split (ligne)[2]
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| 240 |
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| 241 | def instanciate_packages(self, file=None):
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| 242 | # We create the schedule of the work units
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| 243 | print '# First, we initialize the DAG by parsing "cmt show uses"'
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| 244 | if file is None:
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| 245 | cmd = 'cmt show uses'
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| 246 | else:
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| 247 | cmd = 'cat ' + file
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| 248 | status, output = commands.getstatusoutput (cmd)
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| 249 | if status != 0:
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| 250 | print output
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| 251 | sys.exit(-1)
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| 252 | self.get_uses(output)
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| 253 | self.get_paths(output)
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| 254 | #self.check_execution (package=self.current_package)
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| 255 | #self.simulate_execution()
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| 256 |
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| 257 | def get_local_graph(self):
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| 258 | To_remove = list()
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| 259 | for key in self.packages:
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| 260 | if self.packages[key]['current_project']== False:
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| 261 | for selected in self.packages:
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| 262 | if key in self.packages[selected]['uses']:
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| 263 | self.packages[selected]['uses'].remove(key)
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| 264 | To_remove.append (key)
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| 265 | for item in To_remove:
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| 266 | del self.packages[item]
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| 267 |
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| 268 | def simulate_execution(self):
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| 269 | ok = True
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| 270 | indice = 1
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| 271 | while ok:
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| 272 | runnable = list()
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| 273 | for key in self.packages:
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| 274 | if self.packages[key]['status']!='done':
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| 275 | if len(self.packages[key]['uses']) == 0:
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| 276 | runnable.append(key)
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| 277 | if len(runnable):
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| 278 | print '\n#--------------------------------------------------------------'
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| 279 | print "# Execute parallel actions within packages " + str(runnable)
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| 280 | for selected in runnable:
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| 281 | print '#--------------------------------------------------------------'
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| 282 | print '# ('+str(indice)+'/'+str(len(self.packages))+') Now trying [] in '+ self.packages[selected]['path']
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| 283 | print '#--------------------------------------------------------------'
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| 284 | self.packages[selected]['status']='done'
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| 285 | indice = indice + 1
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| 286 | for key in self.packages:
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| 287 | if selected in self.packages[key]['uses']:
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| 288 | self.packages[key]['uses'].remove(selected)
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| 289 | #print 'remove', selected, 'from',key
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| 290 | if len(runnable)==0:
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| 291 | ok = False
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| 292 |
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| 293 | def check_execution(self, package, path=list(), cycles=list()):
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| 294 | #print package,'-->',self.packages[package]['uses']
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| 295 | #print path
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| 296 | if package in path:
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| 297 | if path[path.index(package):] not in cycles:
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| 298 | print 'Cycles:',path[path.index(package):], package
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| 299 | cycles = cycles + path[path.index(package):]
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| 300 | sys.exit(-1)
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| 301 | path.append(package)
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| 302 | for item in self.packages[package]['uses']:
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| 303 | self.check_execution(package=item, path=path, cycles=cycles)
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| 304 | path.pop()
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| 305 |
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| 306 | def get_current_package(self):
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| 307 | cmd = 'cmt show macro package'
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| 308 | status, output = commands.getstatusoutput (cmd)
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| 309 | if status != 0:
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| 310 | print output
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| 311 | sys.exit(-1)
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| 312 | lines = string.split(output, '\n')
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| 313 | for line in lines:
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| 314 | if line [0] != '#':
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| 315 | start = string.find(line,"'")
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| 316 | end = string.find(line[start+1:len(line)],"'")
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| 317 | return line [start+1:start+end+1]
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| 318 |
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| 319 | def get_work_area_path (self, name):
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| 320 | return self.packages [name]['path']
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| 321 |
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| 322 | def get_package_path (self, name):
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| 323 | #return os.getcwd ()
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| 324 | cmd = 'cmt -use='+name+' run pwd'
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| 325 | status, output = commands.getstatusoutput (cmd)
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| 326 | if status != 0:
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| 327 | print output
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| 328 | sys.exit(-1)
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| 329 | lines = string.split(output, '\n')
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| 330 | for line in lines:
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| 331 | if line [0] != '#' and line[:5] != "#CMT>":
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| 332 | print line
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| 333 | return line
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| 334 |
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| 335 | def print_dependencies(self):
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| 336 | print '# ------------------------'
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| 337 | print '# package --> dependencies'
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| 338 | print '# ------------------------'
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| 339 | for key in self.packages.keys():
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| 340 | print key, '-->', self.packages[key] ['uses'],',', self.packages[key] ['status']
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| 341 |
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| 342 | def print_status(self, status):
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| 343 | print '# ------------------------'
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| 344 | print '# package --> dependencies'
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| 345 | print '# ------------------------'
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| 346 | i = 1
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| 347 | for key in self.packages.keys():
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| 348 | if self.packages[key] ['status'] == status:
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| 349 | print i , key, '-->', self.packages[key] ['uses'],',', self.packages[key] ['status']
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| 350 | i = i + 1
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| 351 |
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| 352 | def is_work_unit_waiting (self, name):
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| 353 | return self.packages[name] ['status'] == 'waiting'
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| 354 |
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| 355 | def set_work_unit_status (self, name, status):
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| 356 | self.packages[name] ['status'] = status
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| 357 |
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| 358 | def get_dependencies (self, name):
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| 359 | return self.packages[name] ['uses']
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| 360 |
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| 361 | def get_next_work_units (self):
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| 362 | result = list ()
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| 363 | for key in self.packages.keys():
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| 364 | if len(self.get_dependencies (key)) == 0 and self.is_work_unit_waiting(key) :
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| 365 | result.append(key)
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| 366 | return result
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| 367 |
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| 368 | def is_work_units (self):
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| 369 | result = list ()
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| 370 | for key in self.packages.keys():
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| 371 | if self.is_work_unit_waiting(key) :
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| 372 | return True
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| 373 | return False
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| 374 |
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| 375 | def suppress_work_unit (self, name):
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| 376 | #print '# remove', name, 'from schedule'
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| 377 | for key in self.packages.keys():
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| 378 | if name in self.packages[key]['uses']:
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| 379 | self.packages[key]['uses'].remove(name)
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| 380 |
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| 381 | def add_work_unit (self, name, cmd):
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| 382 | if self.is_work_unit_waiting (name):
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| 383 | # we create requests
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| 384 | arg = {'cmd': cmd , 'package':name}
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| 385 | req = WorkRequest(self.do_execute, [arg] , None, callback=self.result_callback, exc_callback=self.handle_exception)
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| 386 | # then we put the work request in the queue...
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| 387 | self.set_work_unit_status (name, 'queued')
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| 388 | self.pool.putRequest(req)
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| 389 | #print "# Work request #%s added on %s." % (req.requestID, str(arg['package']))
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| 390 |
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| 391 | def execute (self, command):
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| 392 | #self.print_dependencies ()
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| 393 | packages = self.get_next_work_units()
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| 394 | if len(packages) !=0:
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| 395 | print '\n#--------------------------------------------------------------'
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| 396 | print '# Execute parallel actions within packages', packages
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| 397 | for package in packages:
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| 398 | self.add_work_unit (package, command)
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| 399 |
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| 400 | def execute_all(self,command):
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| 401 | #self.print_dependencies ()
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| 402 | self.execute (command)
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| 403 | self.wait()
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| 404 | #self.print_dependencies ()
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| 405 | #self.print_status (status='waiting')
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| 406 | #while self.is_work_units():
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| 407 | #self.wait()
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| 408 |
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| 409 | def wait (self):
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| 410 | self.pool.wait()
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| 411 |
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| 412 | # this will be called each time a result is available
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| 413 | def result_callback(self, request, result):
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| 414 | #print "**Result: %s from request #%s" % (str(result), request.requestID)
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| 415 | #print "# Result: %s from request #%s" % (result['package'], request.requestID)
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| 416 | #if result['package'] == 'CodeCheck':
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| 417 | # sys.exit(-1)
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| 418 | self.execute (result['cmd'])
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| 419 |
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| 420 | # the work the threads will have to do
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| 421 | def do_execute(self, arg):
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| 422 | path = self.get_work_area_path (arg['package'])
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| 423 | if path == None or not os.path.exists(path):
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| 424 | raise RuntimeError('Path to package '+ arg['package'] +' not found')
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| 425 | self.set_work_unit_status (arg['package'], 'running')
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| 426 | #cmd = "cmt -use="+ arg['package'] + " run '"+ arg['cmd'] + "'"
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| 427 | #os.chdir(path)
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| 428 | #arg['cmd'] = "cd "+ path +";"+ arg['cmd']
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| 429 | header = '#--------------------------------------------------------------\n'
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| 430 | header = header + '# ('+str(self.get_counter())+'/'+str(len(self.packages))+') Now trying ['+ arg['cmd']+'] in ' + path + '\n'
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| 431 | header = header + '#--------------------------------------------------------------\n'
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| 432 | print header
|
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| 433 | project_path = self.current_project['path']+'/'+self.current_project['version']+'/'
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| 434 | log_name = string.replace(path, project_path, '')
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| 435 | log_name = string.replace(log_name, '/cmt', '')
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| 436 | log_name = string.replace(log_name, '/', '_')
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| 437 | log_name = log_name+'.loglog'
|
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| 438 | arg['log'] = log_name
|
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| 439 | cmd = "cd "+ path +";"+ arg['cmd']
|
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| 440 | #status, output= commands.getstatusoutput(cmd)
|
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| 441 | # init output file
|
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| 442 | if self.output is not None:
|
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| 443 | f = open (self.output+'/'+ log_name, 'w+')
|
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| 444 | f.write (header)
|
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| 445 | f.close()
|
|---|
| 446 | if self.error is not None:
|
|---|
| 447 | f = open (self.error+'/error'+log_name, 'w+')
|
|---|
| 448 | f.close()
|
|---|
| 449 | self.packages[arg['package']] ['startTime'] = time.time ()
|
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| 450 | status, output, error, pythonError = exeCommand(sCmd=cmd, oLineCallback=self.redirectOutput, arg=arg)#,iTimeout = 3600)
|
|---|
| 451 | self.packages[arg['package']] ['endTime'] = time.time ()
|
|---|
| 452 | if self.perf:
|
|---|
| 453 | self.semaphore.acquire ()
|
|---|
| 454 | f = open (self.perf, 'a')
|
|---|
| 455 | f.write (arg['package']+" "+str(self.packages[arg['package']] ['startTime'])+" "+str(self.packages[arg['package']] ['endTime'] )+'\n')
|
|---|
| 456 | f.close()
|
|---|
| 457 | self.semaphore.release()
|
|---|
| 458 | self.suppress_work_unit (arg['package'])
|
|---|
| 459 | self.set_work_unit_status (arg['package'], 'done')
|
|---|
| 460 | # status, output= commands.getstatusoutput(cmd)
|
|---|
| 461 | #if status != 0:
|
|---|
| 462 | # raise RuntimeError(output)
|
|---|
| 463 | return {'output':output, 'cmd': arg['cmd'], 'package':arg['package']}
|
|---|
| 464 |
|
|---|
| 465 | def redirectOutput(self, index, buffer, arg):
|
|---|
| 466 | """Filter function to redirect the std output and error of the job
|
|---|
| 467 | executable for real-time debugging
|
|---|
| 468 | """
|
|---|
| 469 | if self.output is not None:
|
|---|
| 470 | if index==0:
|
|---|
| 471 | f = open (self.output+'/'+arg['log'], 'a')
|
|---|
| 472 | f.write (buffer+'\n')
|
|---|
| 473 | f.close()
|
|---|
| 474 | elif index==1:
|
|---|
| 475 | if self.error is not None:
|
|---|
| 476 | f = open (self.error+'/error'+arg['log'], 'a')
|
|---|
| 477 | else:
|
|---|
| 478 | f = open (self.output+'/'+arg['log'], 'a')
|
|---|
| 479 | f.write (buffer+'\n')
|
|---|
| 480 | f.close()
|
|---|
| 481 | if not self.silent:
|
|---|
| 482 | print buffer
|
|---|
| 483 |
|
|---|
| 484 | # this will be called when an exception occurs within a thread
|
|---|
| 485 | def handle_exception(self, request, exc_info):
|
|---|
| 486 | #traceback.print_stack()
|
|---|
| 487 | print '#--------------------------------------------------------------'
|
|---|
| 488 | #print "# Exception occured in request #%s: %s" %(request.requestID, exc_info[1])
|
|---|
| 489 | print "# Exception occured: %s" %(exc_info[1])
|
|---|
| 490 | print exc_info
|
|---|
| 491 | print '#--------------------------------------------------------------'
|
|---|
| 492 | #sys.exit(-1)
|
|---|
| 493 |
|
|---|
| 494 | #--------- EoF --------# |
|---|
