MoviePy-中文文档-5.使用Docker镜像快速搭建moviepy环境

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使用Docker镜像快速搭建moviepy环境

前言：之前有不少同学说搭建moviepy环境失败了，大部分是卡在ffmpeg自动下载的步骤了，原因在于从国外下载ffmpeg。当然有办法解决：可以手动下载，然后放在~/.imageio/ffmpeg目录下。

  1. ucsheep@ucsheep-B250M-D2V:~/.imageio/ffmpeg$ ll
  2. 总用量 44864
  3. drwxrwxr-x 2 ucsheep ucsheep     4096 8月  21 10:44 ./
  4. drwxrwxr-x 3 ucsheep ucsheep     4096 8月  14 08:54 ../
  5. -rwxrw-r-- 1 ucsheep ucsheep 45929032 8月  21 10:44 ffmpeg-linux64-v3.3.1*

但是，其实我这边最开始就直接使用的是moviepy的docker镜像，很方便。也不会遇到上述的情况。那么，在那里可以买的到呢？

有两种办法，一种是通过Dockerfile构建，一种是直接在Docker Hub寻找有么有现成的镜像。

注意：进行以下操作的首要前提是，您的电脑已经安装Docker

1.Docker Hub拉取镜像

首先，查找镜像

  1. ucsheep@ucsheep-B250M-D2V:~$ docker search moviepy
  2. NAME                                DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
  3. dkarchmervue/moviepy                Image for moviepy, with latest Python 3.4, l…   1                                       [OK]
  4. jdauphant/moviepy                                                                   0                                       [OK]
  5. mentlsve/anaconda3-opencv-moviepy   Anaconda3 (Python 3.5) with opencv and movie…   0                                       
  6. srid/moviepy                                                                        0                                       [OK]
  7. mbeacom/moviepy                                                                     0                                       
  8. jacquesvdm/moviepy                  Image that contains PHP and MoviePy             0                                       
  9. hongyusir/python-moviepy            docker image with python, pil and moviepy in…   0                                       
  10. ib5k/moviepy                                                                        0                                       
  11. screencom/moviepy                                                                   0                                       
  12. verynb/moviepy                                                                      0                                       
  13. hongyusir/mnpp                      mongo, nodejs and python together, and with …   0                                       
  14. lucasrodesg/deepo                   Modified from ufoym/deepo. Incorporates pyth…   0

然后，选择第一个，拉取镜像，创建一个容器

  1. ucsheep@ucsheep-B250M-D2V:~$ docker run -idt --name moviepy-test dkarchmervue/moviepy
  2. 4e4afde5a3702171ac345f924f4a40596fb081f20cf6984544c0b7855d5585b7

查看容器运行情况

  1. ucsheep@ucsheep-B250M-D2V:~$ docker ps -a
  2. CONTAINER ID        IMAGE                      COMMAND                  CREATED              STATUS                     PORTS                                        NAMES
  3. 4e4afde5a370        dkarchmervue/moviepy       "/bin/bash"              About a minute ago   Up About a minute                                                       moviepy-test

进入容器，看看moviepy环境是否可用

  1. ucsheep@ucsheep-B250M-D2V:~$ docker attach moviepy-test
  2. root@4e4afde5a370:/work# 
  3. root@4e4afde5a370:/work# python3
  4. Python 3.4.4 (default, May 25 2016, 06:34:52) 
  5. [GCC 4.8.4] on linux
  6. Type "help", "copyright", "credits" or "license" for more information.
  7. >>> import moviepy
  8. >>>

没有报错，大功告成。可以将开发目录挂载到容器中的work目录，方便运行。

Dockerfile构建

首先，clone MoviePy源码

ucsheep@ucsheep-B250M-D2V:~/git-projects$ git clone https://github.com/Zulko/moviepy.git

查看，看到了Dockerfile

  1. ucsheep@ucsheep-B250M-D2V:~/git-projects$ cd moviepy/
  2. ucsheep@ucsheep-B250M-D2V:~/git-projects/moviepy$ ls
  3. appveyor      CONTRIBUTING.md  examples     MANIFEST.in  setup.py
  4. appveyor.yml  Dockerfile       ez_setup.py  moviepy      tests
  5. CHANGELOG.md  docs             LICENCE.txt  README.rst

Dockerfile的内容如下

  1. FROM python:3
  2.  
  3. # Install numpy using system package manager
  4. RUN apt-get -y update && apt-get -y install libav-tools imagemagick libopencv-dev python-opencv
  5.  
  6. # Install some special fonts we use in testing, etc..
  7. RUN apt-get -y install fonts-liberation
  8.  
  9. RUN apt-get install -y locales && 
  10.     locale-gen C.UTF-8 && 
  11.     /usr/sbin/update-locale LANG=C.UTF-8
  12.  
  13. ENV LC_ALL C.UTF-8
  14.  
  15. # do we need all of these, maybe remove some of them?
  16. RUN pip install imageio numpy scipy matplotlib pandas sympy nose decorator tqdm pillow pytest requests
  17.  
  18. # install scikit-image after the other deps, it doesn't cause errors this way.
  19. RUN pip install scikit-image sklearn
  20.  
  21. ADD . /var/src/moviepy/
  22. #RUN git clone https://github.com/Zulko/moviepy.git /var/src/moviepy
  23. RUN cd /var/src/moviepy/ && python setup.py install
  24.  
  25. # install ffmpeg from imageio.
  26. RUN python -c "import imageio; imageio.plugins.ffmpeg.download()"
  27.  
  28. #add soft link so that ffmpeg can executed (like usual) from command line
  29. RUN ln -s /root/.imageio/ffmpeg/ffmpeg.linux64 /usr/bin/ffmpeg
  30.  
  31. # modify ImageMagick policy file so that Textclips work correctly.
  32. RUN cat /etc/ImageMagick-6/policy.xml | sed 's/none/read,write/g'> /etc/ImageMagick-6/policy.xml

就是在Python3的基础上，搭建量MoviePy的运行环境

那么，接下来，开始构建

  1. ucsheep@ucsheep-B250M-D2V:~/git-projects/moviepy$ docker build -t moviepy -f Dockerfile .
  2. Sending build context to Docker daemon  7.115MB
  3. Step 1/12 : FROM python:3
  4.  ---> 825141134528
  5. Step 2/12 : RUN apt-get -y update && apt-get -y install libav-tools imagemagick libopencv-dev python-opencv
  6.  ---> Running in b09eb178cc0a
  7. Ign:1 http://deb.debian.org/debian stretch InRelease
  8. Get:2 http://security.debian.org/debian-security stretch/updates InRelease [94.3 kB]
  9. Get:3 http://deb.debian.org/debian stretch-updates InRelease [91.0 kB]
  10. Get:4 http://deb.debian.org/debian stretch Release [118 kB]
  11. Get:5 http://security.debian.org/debian-security stretch/updates/main amd64 Packages [437 kB]
  12. Get:6 http://deb.debian.org/debian stretch-updates/main amd64 Packages [5148 B]
  13. Get:7 http://deb.debian.org/debian stretch Release.gpg [2434 B]
  14. Get:8 http://deb.debian.org/debian stretch/main amd64 Packages [7099 kB]

最终执行到Step 12/12后会构建完毕

接下来，可以运行容器，测试moviepy给出的示例代码：

  1. ucsheep@ucsheep-B250M-D2V:~/git-projects/moviepy$ cd tests/
  2. ucsheep@ucsheep-B250M-D2V:~/git-projects/moviepy/tests$ ls
  3. download_media.py      test_fx.py                   test_resourcerelease.py
  4. __init__.py            test_helper.py               test_TextClip.py
  5. README.rst             test_ImageSequenceClip.py    test_tools.py
  6. test_AudioClips.py     test_issues.py               test_VideoClip.py
  7. test_compositing.py    test_misc.py                 test_VideoFileClip.py
  8. test_examples.py       test_PR.py                   test_Videos.py
  9. test_ffmpeg_reader.py  test_resourcereleasedemo.py  test_videotools.py
  10. ucsheep@ucsheep-B250M-D2V:~/git-projects/moviepy/tests$ docker run -it -v `pwd`:/tests moviepy bash

 

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注：本文转载自blog.csdn.net的ucsheep的文章"https://blog.csdn.net/ucsheep/article/details/82772980"。版权归原作者所有，此博客不拥有其著作权，亦不承担相应法律责任。如有侵权，请联系我们删除。
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