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from crab_exceptions import *
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from threading import RLock
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import common
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import os, shutil, string
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class WorkSpace:
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#_instance = None
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#def getInstance():
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# if not WorkSpace._instance :
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# raise CrabException('There is no instance of WorkSpace.')
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# return WorkSpace._instance
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#getInstance = staticmethod(getInstance)
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def __init__(self, top_dir):
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#if WorkSpace._instance:
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# raise CrabException('WorkSpace already exists.')
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self.lock = RLock()
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self._top_dir = top_dir # top working directory
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self._log_dir = self._top_dir + '/log' # log-directory
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self._job_dir = self._top_dir + '/job' # job pars, scripts, jdl's
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self._res_dir = self._top_dir + '/res' # dir to store job results
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self._share_dir = self._top_dir + '/share' # directory for common stuff
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#WorkSpace._instance = self
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return
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def create(self):
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if not os.path.exists(self._top_dir):
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os.mkdir(self._top_dir)
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os.mkdir(self._log_dir)
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os.mkdir(self._job_dir)
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os.mkdir(self._res_dir)
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os.mkdir(self._share_dir)
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pass
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return
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def topDir(self):
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return self._top_dir + '/'
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def logDir(self):
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return self._log_dir + '/'
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def jobDir(self):
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return self._job_dir + '/'
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def resDir(self):
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return self._res_dir + '/'
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def shareDir(self):
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return self._share_dir + '/'
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def setResDir(self, dir):
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self._res_dir = dir
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return
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def saveFileName(self):
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return self.shareDir() + common.prog_name + '.sav'
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def cfgFileName(self):
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return self.shareDir() + common.prog_name + '.cfg'
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def saveConfiguration(self, opts, cfg_fname):
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# Save options
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save_file = open(self.saveFileName(), 'w')
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for k in opts.keys():
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save_file.write(k+'='+opts[k]+'\n')
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pass
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save_file.close()
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# Save cfg-file
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shutil.copyfile(cfg_fname, self.cfgFileName())
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return
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def loadSavedOptions(self):
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# Open save-file
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try:
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save_file = open(self.saveFileName(), 'r')
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except IOError, e:
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msg = 'Misconfigured continuation directory:\n'
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msg += str(e)
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raise CrabException(msg)
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# Read saved options
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save_opts = {}
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for line in save_file:
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line = line[:-1] # drop '\n'
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(k, v) = string.split(line, '=')
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save_opts[k] = v
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pass
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save_file.close()
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return save_opts
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