0x0/nsfw_detect.py

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#!/usr/bin/env python3
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"""
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Copyright © 2024 Mia Herkt
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Licensed under the EUPL, Version 1.2 or - as soon as approved
by the European Commission - subsequent versions of the EUPL
(the "License");
You may not use this work except in compliance with the License.
You may obtain a copy of the license at:
https://joinup.ec.europa.eu/software/page/eupl
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
either express or implied.
See the License for the specific language governing permissions
and limitations under the License.
"""
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import sys
import av
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from transformers import pipeline
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class NSFWDetector:
def __init__(self):
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self.classifier = pipeline("image-classification",
model="giacomoarienti/nsfw-classifier")
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def detect(self, fpath):
try:
with av.open(fpath) as container:
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try:
container.seek(int(container.duration / 2))
except: container.seek(0)
frame = next(container.decode(video=0))
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img = frame.to_image()
res = self.classifier(img)
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return max([x["score"] for x in res
if x["label"] not in ["neutral", "drawings"]])
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except: pass
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return -1.0
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if __name__ == "__main__":
n = NSFWDetector()
for inf in sys.argv[1:]:
score = n.detect(inf)
print(inf, score)