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1 #!/usr/bin/env python
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2 ##@file
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3 # Abstract class to launch a program.
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4
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5 import getopt
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6 import sys
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7 import os
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8 import pyRepet.launcher.AbstractProgramLauncher
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9
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10 class AbstractProgramLauncher( pyRepet.launcher.AbstractProgramLauncher.AbstractProgramLauncher ): #( IProgramLauncher )
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11
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12 def getHelpAsString( self ):
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13 """
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14 Return the generic help as a string.
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15 """
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16 string = ""
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17 string += "usage: %s.py [options]" % ( type(self).__name__ )
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18 string += "\ngeneric options:"
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19 string += "\n -h: this help"
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20 string += "\n -i: name of the input file (format='%s')" % ( self.getFormatInputFile() )
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21 string += "\n -c: clean"
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22 string += "\n -v: verbosity level (default=0/1)"
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23 return string
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24
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25 def setAttributesFromCmdLine( self, o, a="" ):
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26 """
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27 Set a generic attribute from the command-line arguments.
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28 """
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29 if o == "-h":
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30 print self.getHelpAsString()
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31 sys.exit(0)
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32 elif o == "-i":
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33 self.setInputFile( a )
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34 elif o == "-c":
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35 self.setClean()
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36 elif o == "-v":
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37 self.setVerbosityLevel( a )
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38
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39 def checkAttributesFromCmdLine( self ):
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40 """
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41 Set the attributes from the command-line arguments.
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42 """
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43 try:
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44 opts, args = getopt.getopt( sys.argv[1:], "%s" % (self.getCmdLineOptions()) )
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45 except getopt.GetoptError, err:
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46 print str(err);
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47 print self.getHelpAsString()
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48 sys.exit(1)
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49 for o, a in opts:
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50 self.setAttributesFromCmdLine( o, a )
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51
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52 def getCmdLineOptions(self):
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53 return self._cmdLineGenericOptions
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54
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55 def check( self ):
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56 """
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57 Check the generic attributes before running the program.
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58 """
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59 self._checkProgramName()
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60 self.checkInput()
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61
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62 def checkInput(self):
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63 if self.getInputFile() == "":
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64 string = "ERROR: missing input file"
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65 print string
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66 print self.getHelpAsString()
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67 sys.exit(1)
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68
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69 if not os.path.exists(self.getInputFile()):
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70 string = "ERROR: input file '%s' doesn't exist" % (self.getInputFile())
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71 print string
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72 print self.getHelpAsString()
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73 sys.exit(1)
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