| 1 | #!/usr/bin/env python | 
| 2 | """MD File Splitter | 
| 3 |  | 
| 4 | Splits MD file frames into seperate md files | 
| 5 |  | 
| 6 | Usage: mdSplit | 
| 7 |  | 
| 8 | Options: | 
| 9 | -h, --help              show this help | 
| 10 | -m, --meta-data=...     use specified meta-data (.md) file | 
| 11 | -s, --split-frame=...   split every n frames | 
| 12 |  | 
| 13 |  | 
| 14 | Example: | 
| 15 | mdSplit -m Ar.md | 
| 16 |  | 
| 17 | """ | 
| 18 |  | 
| 19 | __author__ = "Charles Vardeman (cvardema@nd.edu)" | 
| 20 | __version__ = "$Revision: 1.5 $" | 
| 21 | __date__ = "$Date: 2007-01-02 20:12:34 $" | 
| 22 | __copyright__ = "Copyright (c) 2006 by the University of Notre Dame" | 
| 23 | __license__ = "OOPSE" | 
| 24 |  | 
| 25 | import sys | 
| 26 | import getopt | 
| 27 | import string | 
| 28 | import os | 
| 29 |  | 
| 30 |  | 
| 31 | _haveMDFileName = 0 | 
| 32 | _haveSplitFrame = 0 | 
| 33 |  | 
| 34 |  | 
| 35 | def usage(): | 
| 36 | print __doc__ | 
| 37 |  | 
| 38 |  | 
| 39 | def splitFile(mdFileName,skipFrameNumber): | 
| 40 | mdFile = open(mdFileName, 'r') | 
| 41 |  | 
| 42 | (filepath, filename) = os.path.split(mdFileName) | 
| 43 |  | 
| 44 | (outfilePrefix,ext)  = os.path.splitext(filename) | 
| 45 |  | 
| 46 |  | 
| 47 |  | 
| 48 | metaDataFrame = [] | 
| 49 | haveMetaData = 0 | 
| 50 | haveMetaDataEnd = 0 | 
| 51 | # Find OOPSE version info first | 
| 52 | line = mdFile.readline() | 
| 53 | while 1: | 
| 54 | if '<OOPSE version=' in line: | 
| 55 | OOPSEversion = line | 
| 56 | break | 
| 57 | line = mdFile.readline() | 
| 58 |  | 
| 59 | # Rewind file and find start of MetaData block | 
| 60 |  | 
| 61 | mdFile.seek(0) | 
| 62 | breakLoop = False | 
| 63 | line = mdFile.readline() | 
| 64 |  | 
| 65 | while 1: | 
| 66 | if '<MetaData>' in line: | 
| 67 | while 2: | 
| 68 | metaDataFrame.append(line) | 
| 69 | line = mdFile.readline() | 
| 70 | if '</MetaData>' in line: | 
| 71 | metaDataFrame.append(line) | 
| 72 | breakLoop = True | 
| 73 | break | 
| 74 | if breakLoop: | 
| 75 | break | 
| 76 | line = mdFile.readline() | 
| 77 |  | 
| 78 |  | 
| 79 | mdFile.seek(0) | 
| 80 | framePos = 0 | 
| 81 | foundFrames = 0; | 
| 82 | line = mdFile.readline() | 
| 83 | while 1: | 
| 84 | if '<Snapshot>' in line: | 
| 85 | foundFrames += 1 | 
| 86 | division,remainder=divmod(foundFrames,int(skipFrameNumber)) | 
| 87 | if (remainder == 0): | 
| 88 | outfilename = outfilePrefix + "_" +repr(foundFrames) + ext | 
| 89 | outFile = open(outfilename,'w') | 
| 90 | outFile.write(OOPSEversion) | 
| 91 | for metaline in metaDataFrame: | 
| 92 | outFile.write(metaline) | 
| 93 | while not '</Snapshot>' in line: | 
| 94 | outFile.write(line) | 
| 95 | line = mdFile.readline() | 
| 96 | outFile.write(line) | 
| 97 | outFile.write("</OOPSE>") | 
| 98 | outFile.close() | 
| 99 | line = mdFile.readline() | 
| 100 | if not line: break | 
| 101 |  | 
| 102 | mdFile.close() | 
| 103 |  | 
| 104 |  | 
| 105 | def main(argv): | 
| 106 | try: | 
| 107 | opts, args = getopt.getopt(argv, "hm:s:", ["help", "meta-data=","split-frame", ""]) | 
| 108 | except getopt.GetoptError: | 
| 109 | usage() | 
| 110 | sys.exit(2) | 
| 111 | for opt, arg in opts: | 
| 112 | if opt in ("-h", "--help"): | 
| 113 | usage() | 
| 114 | sys.exit() | 
| 115 | elif opt in ("-m", "--meta-data"): | 
| 116 | mdFileName = arg | 
| 117 | global _haveMDFileName | 
| 118 | _haveMDFileName = 1 | 
| 119 | elif opt in ("-s", "--split-frame"): | 
| 120 | skipFrameNumber = arg | 
| 121 | global _haveSplitFrame | 
| 122 | _haveSplitFrame = 1 | 
| 123 | if (_haveMDFileName != 1): | 
| 124 | usage() | 
| 125 | print "No meta-data file was specified" | 
| 126 | sys.exit() | 
| 127 | if (_haveSplitFrame != 1): | 
| 128 | usage() | 
| 129 | print "Frames to split was not specified" | 
| 130 | sys.exit() | 
| 131 | splitFile(mdFileName,skipFrameNumber); | 
| 132 |  | 
| 133 | if __name__ == "__main__": | 
| 134 | if len(sys.argv) == 1: | 
| 135 | usage() | 
| 136 | sys.exit() | 
| 137 | main(sys.argv[1:]) | 
| 138 |  |