caterpillar_docker

FROM alpine:3.12

MAINTAINER carewse1986@163.com

RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories

RUN apk update \
        && apk upgrade \
        && apk add --no-cache --virtual .build-deps bash yasm ffmpeg python3 py3-pip \
	&& rm -rf /var/cache/apk/*
	
RUN pip3 install pydub

RUN apk del .build-deps

VOLUME /data

WORKDIR /tmp

RUN echo -e '#!/usr/bin/python3\n\
from pydub import AudioSegment\n\
from pydub.silence import detect_silence\n\
import os\n\
apath = "/data/sli_mp3/"\n\
if os.path.exists(apath):\n\
	for fpath in os.listdir(apath):\n\
		fp = os.path.join(apath,fpath)\n\
		if os.path.isfile(fp):\n\
			os.remove(fp)\n\
else:\n\
	f = os.mkdir(apath)\n\
song = AudioSegment.from_mp3("target.mp3")\n\
start_end = detect_silence(song,300,-35,1)\n\
start = start_end[0][1]\n\
n=0;\n\
for i in start_end[1:]:\n\
	end = i[0]\n\
	song[start:end].export(apath+str(n)+".mp3",format="mp3")\n\
	start = i[1]\n\
	n=n+1\n' > exec.py

RUN echo 'wget $1 -O target.mp3 && python3 /tmp/exec.py' > exec.sh

ENTRYPOINT ["/bin/sh","exec.sh"]

CMD ["http://tcv.clewm.net/f0ZhdfBuStBT1zwU3OUQUMDT9tQ=/lnxMiLtB_Ra1WpjF2IVY0Zzkgg_0"]
#CMD ["/bin/sh"]