annotate xena_backup.py @ 55:421b18a0b659 default tip

update v17 step 2, add xena.jar
author jingchunzhu
date Tue, 22 Sep 2015 10:07:51 -0700
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1 #!/usr/bin/env python
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2
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3 """
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4 xena_backup.py: delete a dataset from Xena
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5
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6 Back up the Xena data to a user-specified external directory.
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7 """
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8
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9 import argparse
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10 import os
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11 import shutil
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12 import subprocess
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13 import sys
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14 import traceback
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15 import xena_utils as xena
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16
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17 def writeException(outFp, msg = None):
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18 exc_type, exc_value, exc_traceback = sys.exc_info()
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19 lines = traceback.format_exception(exc_type, exc_value, exc_traceback)
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20 allLines = ''.join('!! ' + line for line in lines)
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21 if msg is None:
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22 outFp.write("Unsuccessful: error %s\n" % allLines)
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23 else:
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24 outFp.write("%s\n%s" % (msg, allLines))
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25
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26
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28 def main():
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29 parser = argparse.ArgumentParser()
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30 parser.add_argument("pathname", type=str)
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31 parser.add_argument("outfile", type=str)
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32 args = parser.parse_args()
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33
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34 outFp = open(args.outfile, "w")
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35 xenaFileDir = xena.fileDir()
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36
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37 if not os.path.exists(args.pathname):
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38 try:
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39 os.mkdir(args.pathname)
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40 except:
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41 writeException(outFp,
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42 msg="Error: cannot create %s" % args.pathname)
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43 outFp.close()
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44 sys.exit(-1)
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45 for thisFile in os.listdir(xenaFileDir):
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46 try:
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47 shutil.copy(xenaFileDir + "/" + thisFile, args.pathname)
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48 except:
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49 writeException(outFp,
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50 msg="Error: cannot back up files from %s to %s" \
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51 % (xena.fileDir(), args.pathname))
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52 outFp.close()
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53 sys.exit(-1)
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54 outFp.write("Backup complete\n")
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55 outFp.close()
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56 sys.exit(0)
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57
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58
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59 if __name__ == "__main__":
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60 main()