Created
February 17, 2013 06:18
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Python script to remove duplicate images / files.
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#! /usr/bin/python | |
# Got this from: http://code.activestate.com/recipes/362459/ | |
import os | |
import sys | |
import stat | |
import md5 | |
filesBySize = {} | |
def walker(arg, dirname, fnames): | |
d = os.getcwd() | |
os.chdir(dirname) | |
try: | |
fnames.remove('Thumbs') | |
except ValueError: | |
pass | |
for f in fnames: | |
if not os.path.isfile(f): | |
continue | |
size = os.stat(f)[stat.ST_SIZE] | |
if size < 100: | |
continue | |
if filesBySize.has_key(size): | |
a = filesBySize[size] | |
else: | |
a = [] | |
filesBySize[size] = a | |
a.append(os.path.join(dirname, f)) | |
os.chdir(d) | |
for x in sys.argv[1:]: | |
print 'Scanning directory "%s"....' % x | |
os.path.walk(x, walker, filesBySize) | |
print 'Finding potential dupes...' | |
potentialDupes = [] | |
potentialCount = 0 | |
trueType = type(True) | |
sizes = filesBySize.keys() | |
sizes.sort() | |
for k in sizes: | |
inFiles = filesBySize[k] | |
outFiles = [] | |
hashes = {} | |
if len(inFiles) is 1: continue | |
print 'Testing %d files of size %d...' % (len(inFiles), k) | |
for fileName in inFiles: | |
if not os.path.isfile(fileName): | |
continue | |
aFile = file(fileName, 'r') | |
hasher = md5.new(aFile.read(1024)) | |
hashValue = hasher.digest() | |
if hashes.has_key(hashValue): | |
x = hashes[hashValue] | |
if type(x) is not trueType: | |
outFiles.append(hashes[hashValue]) | |
hashes[hashValue] = True | |
outFiles.append(fileName) | |
else: | |
hashes[hashValue] = fileName | |
aFile.close() | |
if len(outFiles): | |
potentialDupes.append(outFiles) | |
potentialCount = potentialCount + len(outFiles) | |
del filesBySize | |
print 'Found %d sets of potential dupes...' % potentialCount | |
print 'Scanning for real dupes...' | |
dupes = [] | |
for aSet in potentialDupes: | |
outFiles = [] | |
hashes = {} | |
for fileName in aSet: | |
print 'Scanning file "%s"...' % fileName | |
aFile = file(fileName, 'r') | |
hasher = md5.new() | |
while True: | |
r = aFile.read(4096) | |
if not len(r): | |
break | |
hasher.update(r) | |
aFile.close() | |
hashValue = hasher.digest() | |
if hashes.has_key(hashValue): | |
if not len(outFiles): | |
outFiles.append(hashes[hashValue]) | |
outFiles.append(fileName) | |
else: | |
hashes[hashValue] = fileName | |
if len(outFiles): | |
dupes.append(outFiles) | |
i = 0 | |
for d in dupes: | |
print 'Original is %s' % d[0] | |
for f in d[1:]: | |
i = i + 1 | |
print 'Deleting %s' % f | |
os.remove(f) | |
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