def compare(files, threshold):
import tempfile
import glob
tempdir = tempfile.mkdtemp()
print tempdir
for filepath in files:
shutil.copy2(filepath, tempdir)
files = glob.glob(os.path.join(tempdir, '*'))
fingerprints = Fingerprints(output_dir=tempdir, threshold=threshold)
globals()['fingerprints'] = fingerprints
results = utils.apply_async(calculate, [
(tempdir, filepath) for filepath in files
])
for r in results:
fingerprints.add(r)
fingerprints.uncompress()
for filepath in files:
duplicates = get_duplicates(fingerprints.find_hash(filepath))
print duplicates
def process(sources, dest, threshold, ignore, clean, normalize, cpus):
sources = utils.normalize_paths(list(sources))
ignore = utils.normalize_paths(list(ignore) + [dest])
fingerprints = Fingerprints(output_dir=dest, threshold=threshold, ignore=ignore)
duplicates_file = os.path.join(dest, ".duplicates.json")
print "Max distance of similarity:", fingerprints.max_distance
# to get progress, count the total number of files we will touch
files = []
for source in sources:
files += utils.walker(source, lambda x: x, ignore=ignore)
print "Processing {0} files.".format(len(files))
if len(files) == 0:
print "No files found."
quit()
if normalize:
print "Normalizing images..."
files = utils.apply_async(utils.normalize_image, [
(fingerprints._backup_dir, filepath, clean) for filepath in files
], cpus=cpus)
need_fingerprint = [
(fingerprints._backup_dir, filepath)
for filepath in files if not fingerprints.find_hash(filepath)
]
if need_fingerprint:
def save_progress(results):
for r in results:
fingerprints.add(r)
fingerprints.save()
print "Saved."
print "Calculating fingerprints for {0} files...".format(len(need_fingerprint))
results = utils.apply_async(calculate, need_fingerprint,
aborted_callback=save_progress, cpus=cpus)
save_progress(results)
fingerprints.uncompress()
output = {"threshold": threshold, "duplicates": {}}
if os.path.exists(duplicates_file):
with open(duplicates_file, 'r') as fp:
loaded = json.load(fp)
if loaded.get("threshold") == threshold:
output = loaded
output_duplicates = output.get("duplicates", {})
# we need to recalculate *all* duplicate information if there is a new file
# added since the last time we ran, since it might be a duplicate of anything
# TODO: handle ctrl-c again
old_duplicates = set(output_duplicates.keys())
missing_duplicate_info = set(files) - old_duplicates
if missing_duplicate_info:
need_duplicate = files
output_duplicates.clear()
else:
need_duplicate = [
filepath for filepath in files if filepath not in output_duplicates.keys()
]
# seen_files = []
# for filepath, duplicate_files in output_duplicates.iteritems():
# seen_files.append(filepath)
# for distance, duplicate_path in duplicate_files:
# seen_files.append(duplicate_path)
if need_duplicate:
print "Looking for duplicates for {0} files...".format(len(need_duplicate))
def save_progress(results):
for image_hash, duplicates in results:
if not image_hash:
continue
filepath = image_hash.path
output_duplicates[filepath] = duplicates
with open(duplicates_file, "w") as fp:
json.dump(output, fp)
print "Saved."
def setup(fingerprints):
"""
hack: store the fingerprints into globals for each process so the worker
function can pull them from globals()
"""
globals()['fingerprints'] = fingerprints
results = utils.apply_async(
get_duplicates,
[(fingerprints.find_hash(filepath),) for filepath in need_duplicate],
pool_args=dict(
initializer=setup,
initargs=(fingerprints,)
),
aborted_callback=save_progress,
cpus=cpus
)
# results = []
# setup(fingerprints)
# progress = utils.Progress(len(need_duplicate))
# for filepath in need_duplicate:
# results.append(get_duplicates(fingerprints.find_hash(filepath)))
# progress.incr()
# progress.done()
save_progress(results)
keys = sorted(output_duplicates.keys(), key=get_file_date)
seen_files = []
count = 0
duplicates_count = 0
duplicates_dest = os.path.join(dest, "duplicates")
for filepath in keys:
if filepath in seen_files:
continue
duplicates = output_duplicates[filepath]
count += 1
seen_files.append(filepath)
seen_files.extend([duplicate_path for distance, duplicate_path in duplicates])
all_files = [(0, filepath)] + duplicates
distance, best_image = get_best_match(all_files)
new_filepath = get_new_image_path(best_image, count, dest)
print "Copying {0} to {1}".format(best_image, new_filepath)
shutil.copy2(best_image, new_filepath)
if duplicates:
duplicates_count += 1
filedest = os.path.join(duplicates_dest, str(duplicates_count))
all_files = [(distance, filepath)] + duplicates
for idx, (distance, filepath) in enumerate(all_files, start=1):
# only copy non-exact matches for spot checking
if distance > 0 and filepath != best_image:
if not os.path.isdir(filedest):
os.makedirs(filedest)
shutil.copy2(
filepath,
get_new_image_path(
filepath,
idx,
filedest,
"{0}_{1}".format(distance, "{0}{1}")
)
)
if os.path.isdir(filedest):
shutil.copy2(
new_filepath, get_new_image_path(new_filepath, None, filedest, "kept{1}")
)
