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annotate python/find_duplicate_files.py @ 743:51ef69da82fb

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dont need this
author Jeff Hammel <k0scist@gmail.com>
date Sun, 28 Jun 2015 15:27:13 -0700
parents ab831c7621e9
children dbd2562cb03e
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5 find duplicate files in a directory
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6 """
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7
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8 # imports
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9 import argparse
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10 import os
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11 import subprocess
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12 import sys
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13
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14 # module globals
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15 __all__ = ['main', 'Parser']
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16
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17 class Parser(argparse.ArgumentParser):
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18 """CLI option parser"""
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19 def __init__(self, **kwargs):
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20 kwargs.setdefault('description', __doc__)
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21 argparse.ArgumentParser.__init__(self, **kwargs)
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22 self.add_argument('directory')
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23 self.options = None
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24
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25 def parse_args(self, *args, **kw):
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26 options = argparse.ArgumentParser.parse_args(self, *args, **kw)
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27 self.validate(options)
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28 self.options = options
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29 return options
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30
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31 def validate(self, options):
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32 """validate options"""
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33 if not os.path.isdir(options.directory):
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34 self.error("Not a directory: {}".format(options.directory))
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35
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36 def main(args=sys.argv[1:]):
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37 """CLI"""
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38
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39 # parse command line options
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40 parser = Parser()
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41 options = parser.parse_args(args)
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42
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43 output = subprocess.check_output(['ls', '-l', options.directory]).strip()
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44 rows = [row.strip().split() for row in output.splitlines()[1:]]
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45
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46 sizes = {}
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47 for row in rows:
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48 size = int(row[4])
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49 filename = row[-1]
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50 sizes.setdefault(size, []).append(filename)
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51
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52 duplicates = {}
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53 for size, filenames in sizes.items():
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54 if len(filenames) < 2:
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55 continue
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56 duplicates[size] = filenames
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57
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58 for size in sorted(duplicates.keys()):
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59 print ('{} : '.format(size))
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60 print ('\n'.join(duplicates[size]))
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61 print ('\n')
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62
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63 if __name__ == '__main__':
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64 main()