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 | # 21-Jul-2009 compile most used packages first; protect critical sections |
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10 | |
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11 | import os |
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12 | import sys |
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13 | import time |
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14 | import string |
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15 | import os.path |
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16 | # import commands |
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17 | import traceback |
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18 | import exceptions |
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19 | from threading import BoundedSemaphore |
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20 | |
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21 | from threadpool import WorkRequest |
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22 | from threadpool import ThreadPool |
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23 | |
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24 | from subprocess import Popen |
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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, sort=False, |
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29 | output=None, error=None, silent = False, perf=False, keep_going=True): |
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30 | self.pool = ThreadPool(num_workers=num_workers, poll_timeout=3) |
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31 | self.num_workers = num_workers |
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32 | self.current_project = {'name': None, 'path': None, 'version': None} |
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33 | self.packages = {} |
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34 | self.counter = 0 |
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35 | self.semaphore = BoundedSemaphore(1) |
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36 | self.local = local |
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37 | self.sort = sort |
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38 | self.ignore_cycles = ignore_cycles |
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39 | self.output = output |
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40 | self.error = error |
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41 | self.silent = silent |
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42 | self.perf = perf |
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43 | self.keep_going = keep_going |
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44 | if self.sort: |
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45 | print "Compile packages sorted according to use count" |
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46 | if self.perf is not False: |
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47 | f = open (self.perf, 'w+') |
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48 | f.close() |
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49 | if output is not None: |
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50 | if not os.path.exists (output): |
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51 | print "path",output,"does not exists" |
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52 | sys.exit(-1) |
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53 | if not os.path.isdir(output): |
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54 | print "path",output,"is not a valid directory" |
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55 | sys.exit(-1) |
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56 | |
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57 | # init cmt stuff |
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58 | self.get_current_project() |
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59 | self.current_package = self.get_current_package() |
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60 | self.instanciate_packages (file) |
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61 | if self.local: self.get_local_graph() |
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62 | self.check_cycles() |
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63 | self.get_use_count() |
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64 | |
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65 | def get_current_project(self): |
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66 | cmd = 'cmt show projects | grep current' |
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67 | status, output = getstatusoutput (cmd) |
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68 | #status, output = commands.getstatusoutput (cmd) |
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69 | if status != 0: |
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70 | print "WARNING: CMT exited with non-zero status!" |
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71 | print output |
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72 | sys.exit(-1) |
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73 | lines = string.split(output, '\n') |
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74 | for line in lines: |
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75 | if line!='' and line [0] != '#': |
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76 | item = string.split (line, ' ') |
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77 | self.current_project ['name'] = item[0] |
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78 | self.current_project ['version'] = item[1] |
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79 | self.current_project ['path'] = item[3][:-1] |
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80 | version = self.current_project ['path'][len(self.current_project ['path'])-len(self.current_project ['version'] ):] |
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81 | if self.current_project ['version'] == version: |
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82 | self.current_project ['path'] = os.path.normpath(self.current_project ['path'][:-len(self.current_project ['version'] )]) |
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83 | return |
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84 | |
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85 | def get_counter(self): |
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86 | self.semaphore.acquire () |
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87 | self.counter = self.counter + 1 |
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88 | value = self.counter |
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89 | self.semaphore.release() |
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90 | return value |
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91 | |
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92 | def check_cycles (self): |
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93 | cmd = 'cmt -private show cycles' |
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94 | cycle_found = False |
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95 | status, output = getstatusoutput (cmd) |
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96 | #status, output = commands.getstatusoutput (cmd) |
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97 | if status != 0: |
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98 | print "WARNING: CMT exited with non-zero status!" |
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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': '*', 'use_count': 0, |
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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 | current_level = string.find(ligne, 'use') |
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212 | while True: |
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213 | #while len(lignes)!=0: |
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214 | #current_level = string.find(ligne, 'use') |
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215 | while current_level > previous_level: |
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216 | name = string.split (ligne)[2] |
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217 | version = string.split (ligne)[3] |
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218 | if not self.packages.has_key (name): |
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219 | self.packages [name] = {'version': version, 'use_count': 0, |
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220 | 'uses': list(), 'status': 'waiting', |
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221 | 'current_project': False, 'path': None} |
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222 | if name not in self.packages[previous_client]['uses']:# and name != previous_client: |
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223 | self.packages[previous_client]['uses'].append (name) |
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224 | level_stack.append({'name':previous_client,'level':previous_level}) |
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225 | previous_client = name |
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226 | previous_level = current_level |
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227 | if len(lignes): |
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228 | ligne = lignes.pop() |
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229 | #print ligne |
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230 | current_level = string.find(ligne, 'use') |
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231 | else: return |
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232 | |
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233 | # restore the level |
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234 | #if len(lignes): |
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235 | if len(level_stack): |
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236 | item = level_stack.pop() |
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237 | while item['level'] >= current_level and len(level_stack): |
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238 | item = level_stack.pop() |
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239 | previous_client = item['name'] |
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240 | previous_level = item['level'] |
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241 | |
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242 | if current_level <= previous_level: return |
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243 | #print previous_client, '-->',string.split (ligne)[2] |
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244 | |
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245 | def instanciate_packages(self, file=None): |
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246 | # We create the schedule of the work units |
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247 | print '# First, we initialize the DAG by parsing "cmt show uses"' |
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248 | if file is None: |
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249 | cmd = 'cmt show uses' |
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250 | else: |
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251 | cmd = 'cat ' + file |
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252 | status, output = getstatusoutput (cmd) |
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253 | #status, output = commands.getstatusoutput (cmd) |
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254 | if status != 0: |
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255 | print "WARNING: CMT exited with non-zero status!" |
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256 | #sys.exit(-1) |
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257 | self.get_uses(output) |
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258 | self.get_paths(output) |
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259 | #self.simulate_execution() |
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260 | |
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261 | def get_use_count(self): |
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262 | for key in self.packages: |
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263 | count = 0 |
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264 | for parent in self.packages: |
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265 | if key in self.packages[parent]['uses']: count += 1 |
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266 | self.packages[key]['use_count'] = count |
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267 | # print "Package",key,"use_count",count |
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268 | |
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269 | def get_local_graph(self): |
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270 | To_remove = list() |
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271 | for key in self.packages: |
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272 | if self.packages[key]['current_project']== False: |
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273 | for selected in self.packages: |
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274 | if key in self.packages[selected]['uses']: |
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275 | self.packages[selected]['uses'].remove(key) |
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276 | To_remove.append (key) |
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277 | for item in To_remove: |
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278 | del self.packages[item] |
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279 | |
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280 | def simulate_execution(self): |
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281 | while True: |
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282 | ndone = self.simulate_requests() |
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283 | if ndone == 0: break |
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284 | |
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285 | def simulate_requests(self): |
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286 | runnable = self.get_next_work_units() |
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287 | if len(runnable): |
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288 | print '\n#--------------------------------------------------------------' |
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289 | print "# Execute parallel actions within packages - total", len(runnable) |
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290 | print '#--------------------------------------------------------------' |
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291 | for selected in runnable: |
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292 | use_count = self.packages[selected]['use_count'] |
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293 | path = self.packages[selected]['path'] |
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294 | print '#--------------------------------------------------------------' |
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295 | print '# (%d/%d %d) Now trying [] in %s' % (self.get_counter(), len(self.packages), use_count, path) |
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296 | print '#--------------------------------------------------------------' |
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297 | self.suppress_work_unit(selected) |
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298 | return len(runnable) |
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299 | |
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300 | def get_current_package(self): |
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301 | cmd = 'cmt show macro package' |
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302 | status, output = getstatusoutput (cmd) |
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303 | #status, output = commands.getstatusoutput (cmd) |
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304 | if status != 0: |
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305 | print "WARNING: CMT exited with non-zero status!" |
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306 | print output |
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307 | sys.exit(-1) |
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308 | lines = string.split(output, '\n') |
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309 | for line in lines: |
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310 | if line [0] != '#': |
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311 | start = string.find(line,"'") |
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312 | end = string.find(line[start+1:len(line)],"'") |
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313 | return line [start+1:start+end+1] |
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314 | |
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315 | def print_dependencies(self): |
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316 | print '# -------------------------------------------' |
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317 | print '# package --> dependencies, status, use_count' |
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318 | print '# -------------------------------------------' |
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319 | for key in self.packages.keys(): |
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320 | print key, '-->', self.packages[key] ['uses'],',', self.packages[key] ['status'],',', self.packages[key] ['use_count'] |
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321 | |
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322 | def print_status(self, status): |
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323 | print '# ------------------------' |
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324 | print '# package --> dependencies' |
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325 | print '# ------------------------' |
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326 | i = 1 |
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327 | for key in self.packages.keys(): |
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328 | if self.packages[key] ['status'] == status: |
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329 | print i , key, '-->', self.packages[key] ['uses'],',', self.packages[key] ['status'] |
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330 | i = i + 1 |
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331 | |
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332 | def is_work_unit_waiting (self, name): |
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333 | return self.packages[name] ['status'] == 'waiting' |
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334 | |
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335 | def set_work_unit_status (self, name, status): |
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336 | self.packages[name] ['status'] = status |
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337 | |
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338 | def get_next_work_units (self): |
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339 | # by default returned list is in arbitrary order - may be this is better |
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340 | # if self.sort is set returned list is sorted - most used packages first |
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341 | runnable = list() |
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342 | for key in self.packages: |
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343 | if len(self.packages[key]['uses']) == 0 and self.packages[key]['status'] == 'waiting': |
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344 | use_count = self.packages[key]['use_count'] |
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345 | runnable.append((use_count,key)) |
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346 | if self.sort: |
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347 | runnable.sort() |
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348 | runnable.reverse() |
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349 | result = [ pair[1] for pair in runnable ] |
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350 | return result |
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351 | |
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352 | def suppress_work_unit (self, name): |
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353 | #print '# remove', name, 'from schedule' |
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354 | self.semaphore.acquire() |
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355 | self.packages[name]['status']='done' |
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356 | for key in self.packages.keys(): |
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357 | if name in self.packages[key]['uses']: |
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358 | self.packages[key]['uses'].remove(name) |
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359 | self.semaphore.release() |
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360 | |
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361 | def add_work_unit (self, name, cmd): |
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362 | if self.is_work_unit_waiting (name): |
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363 | # we create requests |
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364 | arg = {'cmd': cmd , 'package': name} |
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365 | req = WorkRequest(self.do_execute, [arg] , None, callback=self.result_callback) |
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366 | # req = WorkRequest(self.do_execute, [arg] , None, |
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367 | # callback=self.result_callback, exc_callback=self.handle_exception) |
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368 | # then we put the work request in the queue... |
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369 | self.set_work_unit_status (name, 'queued') |
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370 | self.pool.putRequest(req) |
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371 | # print "# Work request #%s added on %s." % (req.requestID, str(arg['package'])) |
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372 | |
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373 | def execute (self, command): |
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374 | #self.print_dependencies () |
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375 | self.semaphore.acquire() |
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376 | packages = self.get_next_work_units() |
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377 | if len(packages): |
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378 | print '\n#--------------------------------------------------------------' |
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379 | print '# Execute parallel actions within packages (total',len(packages),')',packages |
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380 | print '\n#--------------------------------------------------------------' |
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381 | for package in packages: |
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382 | self.add_work_unit (package, command) |
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383 | sys.stdout.flush() |
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384 | self.semaphore.release() |
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385 | |
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386 | def execute_all(self,command): |
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387 | #self.print_dependencies () |
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388 | self.execute (command) |
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389 | self.wait() |
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390 | if self.counter != len(self.packages): |
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391 | print 'tbroadcast: warning: compiled',self.counter,'out of',len(self.packages),'packages' |
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392 | self.pool.dismissWorkers(self.num_workers, do_join=True) |
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393 | #self.print_dependencies () |
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394 | #self.print_status (status='waiting') |
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395 | |
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396 | def wait (self): |
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397 | self.pool.wait() |
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398 | |
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399 | # this will be called each time a result is available |
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400 | def result_callback(self, request, result): |
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401 | #print "**Result: %s from request #%s" % (str(result), request.requestID) |
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402 | #print "# Result: %s from request #%s" % (result['package'], request.requestID) |
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403 | self.execute (result['cmd']) |
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404 | |
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405 | # the work the threads will have to do |
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406 | def do_execute(self, arg): |
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407 | package = arg['package'] |
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408 | path = self.packages[package]['path'] |
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409 | if path == None or not os.path.exists(path): |
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410 | raise RuntimeError('Path to package '+ package +' not found') |
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411 | self.set_work_unit_status(package, 'running') |
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412 | header = '#--------------------------------------------------------------\n' |
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413 | header = header + '# ('+str(self.get_counter())+'/'+str(len(self.packages))+') Now trying ['+arg['cmd']+'] in '+path+'\n' |
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414 | header = header + '#--------------------------------------------------------------\n' |
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415 | print header |
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416 | sys.stdout.flush() |
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417 | project_path = self.current_project['path']+'/'+self.current_project['version']+'/' |
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418 | log_name = string.replace(path, project_path, '') |
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419 | log_name = string.replace(log_name, '/cmt', '') |
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420 | log_name = string.replace(log_name, '/', '_') |
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421 | log_name = log_name+'.loglog' |
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422 | # arg['log'] = log_name |
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423 | cmd = "cd "+ path +";"+ arg['cmd'] |
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424 | # status, output = commands.getstatusoutput(cmd) |
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425 | # init output file |
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426 | |
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427 | self.packages[package] ['startTime'] = time.time() |
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428 | |
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429 | if self.output is not None: |
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430 | f1 = open (self.output+'/'+ log_name, 'w+') |
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431 | f1.write (header) |
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432 | f1.flush() |
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433 | if self.error is not None: |
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434 | f2 = open (self.error+'/error'+log_name, 'w+') |
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435 | fp = Popen(cmd, shell=True, stdout=f1, stderr=f2) |
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436 | fp.communicate() |
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437 | status = fp.wait() |
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438 | f2.close() |
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439 | else: |
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440 | fp = Popen(cmd, shell=True, stdout=f1, stderr=f1) |
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441 | fp.communicate() |
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442 | status = fp.wait() |
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443 | f1.close() |
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444 | else: |
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445 | fp = Popen(cmd, shell=True) |
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446 | fp.communicate() |
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447 | status = fp.wait() |
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448 | sys.stdout.flush() |
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449 | sys.stderr.flush() |
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450 | |
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451 | # Error is not handled - exit() is forbidden here |
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452 | if not self.keep_going and status > 0: |
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453 | print 'Error',status,'for package',package |
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454 | # sys.exit(status) |
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455 | |
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456 | self.packages[package] ['endTime'] = time.time() |
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457 | if self.perf: |
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458 | self.semaphore.acquire() |
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459 | f = open (self.perf, 'a') |
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460 | f.write (package+" "+str(self.packages[package]['startTime'])+" "+str(self.packages[package]['endTime'] )+'\n') |
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461 | f.close() |
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462 | self.semaphore.release() |
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463 | self.suppress_work_unit(package) |
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464 | return {'cmd': arg['cmd'], 'package':arg['package']} |
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465 | |
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466 | |
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467 | # this will be called when an exception occurs within a thread |
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468 | def handle_exception(self, request, exc_info): |
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469 | #traceback.print_stack() |
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470 | print '#--------------------------------------------------------------' |
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471 | #print "# Exception occured in request #%s: %s" %(request.requestID, exc_info[1]) |
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472 | if exc_info[0]== exceptions.SystemExit: |
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473 | print "Stop execution (No_keep_going option enabled): exit code == %s " %(exc_info[1]) |
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474 | print '#--------------------------------------------------------------' |
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475 | sys.exit(exc_info[1]) |
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476 | print "# Exception occured: %s" %(exc_info[1]) |
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477 | print exc_info |
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478 | print '#--------------------------------------------------------------' |
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479 | #sys.exit(-1) |
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480 | |
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481 | |
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482 | def generate_make (self, file, command): |
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483 | makefile = open (file, 'w+') |
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484 | makefile.write ('MAKE=make\n') |
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485 | #MFLAGS= -j10 |
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486 | self.counter = len(self.packages) |
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487 | self.recursive_make (self.current_package, command, makefile, len(self.packages)) |
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488 | makefile.close () |
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489 | |
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490 | def recursive_make (self, package, command, makefile, indice,actions=list()): |
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491 | lines = self.generate_action_make (package, command, indice) |
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492 | makefile.write (lines) |
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493 | #print lines |
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494 | for pkg in self.packages[package] ['uses']: |
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495 | if pkg not in actions: |
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496 | actions.append(pkg) |
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497 | indice = indice - 1 |
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498 | self.counter = self.counter - 1 |
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499 | self.recursive_make(pkg, command,makefile, indice, actions) |
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500 | |
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501 | def generate_action_make (self, package, command, indice): |
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502 | lines = package + ' :: ' |
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503 | # add dependencies |
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504 | for pkg in self.packages[package] ['uses']: |
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505 | lines = lines + ' ' + pkg |
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506 | |
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507 | # add the action itself |
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508 | newcommand = string.replace (command, '<package>', package) |
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509 | if command =='': |
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510 | newcommand='$(MAKE)' |
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511 | lines = lines + '\n' |
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512 | lines = lines + '\t@echo "#--------------------------------------------------------------"\n' |
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513 | lines = lines + '\t@echo "# ('+str(self.counter)+'/'+str(len(self.packages))+') Now trying ['+newcommand+'] in '+ self.packages[package]['path']+'"\n' |
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514 | lines = lines + '\t@echo "#--------------------------------------------------------------"\n' |
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515 | lines = lines + 'ifdef LOCATION\n' |
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516 | lines = lines + '\t@echo "#--------------------------------------------------------------"> $(LOCATION)/'+ package +'.loglog\n' |
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517 | lines = lines + '\t@echo "# ('+str(self.counter)+'/'+str(len(self.packages))+') Now trying ['+newcommand+'] in '+ self.packages[package]['path']+'">> $(LOCATION)/'+ package +'.loglog\n' |
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518 | lines = lines + '\t@echo "#--------------------------------------------------------------">> $(LOCATION)/'+ package +'.loglog\n' |
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519 | lines = lines + '\t+@cd ' + self.packages[package]['path'] |
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520 | lines = lines + ' && ' + newcommand + ' >> $(LOCATION)/'+ package +'.loglog 2>&1\n' |
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521 | lines = lines + 'else\n' |
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522 | lines = lines + '\t+@cd ' + self.packages[package]['path'] |
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523 | lines = lines + ' && ' + newcommand + '\n' |
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524 | lines = lines + 'endif\n\n' |
---|
525 | return lines |
---|
526 | |
---|
527 | |
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528 | # own copy of getstatusoutput |
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529 | def getstatusoutput(cmd): |
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530 | """Return (status, stdout) of executing cmd in a shell. |
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531 | |
---|
532 | A trailing line separator is removed from the output string. |
---|
533 | The exit status of the command is encoded in the format specified for wait(), |
---|
534 | when the exit status is zero (termination without errors), 0 is returned. |
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535 | """ |
---|
536 | import os |
---|
537 | p = os.popen(cmd, 'r') |
---|
538 | out = p.read() |
---|
539 | sts = p.close() |
---|
540 | if sts is None: sts = 0 |
---|
541 | if out.endswith(os.linesep): |
---|
542 | out = out[:out.rindex(os.linesep)] |
---|
543 | return sts, out |
---|
544 | |
---|
545 | #--------- EoF --------# |
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