我有一个带有python:3.6-alpine内核的容器。我在下面的pyzmq上通过pip安装了一个问题:
Dockerfile:
FROM python:3.6-alpine
RUN mkdir /code
RUN apk add vim
WORKDIR /
ADD . /codedocker-compose.yml:
version: '3'
services:
battery_monitoring:
build: .
image: bm:1.0.0
container_name: battery_monitoring
restart: unless-stopped
volumes:
- .:/code
tty: true当我在这个容器上安装多个Python库时,我没有任何问题,但是对于pyzmq库,有一个错误:
操作步骤:
$ docker-compose build
$ docker-compose up -d
$ docker exec -it <This-container-ID> sh在集装箱内:
pip install pyserial
pip install easydict上述软件包已正确安装,但pyzmq安装有以下错误:
pip install pyzmq部分结果是:
----------------------------------------
Command "/usr/local/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-545my4q5/pyzmq/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-nbtsgz0b/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-install-545my4q5/pyzmq/注意事项
pip -V
pip 18.0 from /usr/local/lib/python3.6/site-packages/pip (python 3.6)
which pip
/usr/local/bin/pippython:3.6-slim而不是python:3.6-alpine没有任何问题发布于 2018-08-19 08:47:43
使用py3-zmq (2022年8月前改名为py3-pyzmq )包
根据我的经验,由于缺少Python,python:3.6-alpine不太适合安装带有C扩展的软件包。alpine映像已经提供了Python3.6发行版和套餐,因此已经足够了:
FROM alpine:edge
RUN apk update && apk add py3-pyzmq
CMD ["/bin/sh"]检查:
$ docker run --rm -it my/alpine /bin/sh
/ # python3 -c "import zmq; print(zmq.__version__)"
17.1.0这是在阿尔卑斯容器中安装pyzmq的最简单和最可靠的方法。
用pip install从源头构建
阿尔卑斯不兼容多个Alpine 1,所以任何包含C扩展的包都必须从源代码构建。这意味着您必须首先安装构建工具。同样,我会使用alpine映像而不是python:3.6-alpine
FROM alpine:edge
RUN apk update && apk add build-base libzmq musl-dev python3 python3-dev zeromq-dev
RUN pip3 install pyzmq
# reduce image size by cleaning up the build packages
RUN apk del build-base musl-dev python3-dev zeromq-dev
CMD ["/bin/sh"]检查:
$ docker run --rm -it my/alpine /bin/sh
/ # python3 -c "import zmq; print(zmq.__version__)"
17.1.0如果你坚持python:3.6-alpine
请注意,python:3.6-alpine不是通过apk安装的,它是从源代码构建的,位于/usr/local下。因此,当从python:3.6-alpine继承、安装python3-dev并运行pip install pyzmq时,最终将使用Python3.6.4(来自apk add python3-dev)的头文件构建pyzmq for Python3.6.6(来自python:3.6-alpine)。一般来说,这不应该是一个问题(头文件仅在主要Python版本之间不兼容),但可能会成为一个问题,以防发行版维护者对头文件进行调整。
编辑:与日志一起复制的准确步骤
$ docker image rm my/alpine:latest
Untagged: my/alpine:latest
Deleted: sha256:2e613cdc3c90c9d44b23d399bd44069217e5b31c1b4a8fc91e501c5226a4ef6a
Deleted: sha256:d66ac6c96a4fca9c4fe71a73b64a4dd3605a59e570f327974954649b633a7fc5
Deleted: sha256:114efba5527eb4ab23020ef84b6181b6a6ba790059b83ce046c9a1a6c0bdf419
$ docker image prune
WARNING! This will remove all dangling images.
Are you sure you want to continue? [y/N] y
Deleted Images:
untagged: alpine@sha256:79c2c5f6db53da44f90bb2731f29f725b5b14c378407a123776b6d3c76e6aebe
untagged: alpine@sha256:ae8a1f9146d74466ddf1def02088ba33544db9aceef01f4b388c674a5ad1d00b
deleted: sha256:5c4fa780951b060bb0a75355765bc58112350d9974970d60561671d552aaf2e2
deleted: sha256:c9e8b5c053a2dda62373bc57fa8cb634230a92ba5f02d2baf5d35b932d04a878
Total reclaimed space: 4.148MB
$ cat ./Dockerfile
FROM alpine:edge
RUN apk update && apk add py3-pyzmq
CMD ["/bin/sh"]
$ docker pull alpine:edge
edge: Pulling from library/alpine
a0710691c81a: Pull complete
Digest: sha256:8d9872bf7dc946db1b3cd2bf70752f59085ec3c5035ca1d820d30f1d1267d65d
Status: Downloaded newer image for alpine:edge
$ docker build -t my/alpine .
Sending build context to Docker daemon 3.072kB
Step 1/3 : FROM alpine:edge
---> 9d1f27787d39
Step 2/3 : RUN apk update && apk add py3-pyzmq
---> Running in 0f9bd971b5da
fetch http://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz
v3.8.0-1447-g6c9915aaa5 [http://dl-cdn.alpinelinux.org/alpine/edge/main]
v3.8.0-1459-g2ff55fde23 [http://dl-cdn.alpinelinux.org/alpine/edge/community]
OK: 9626 distinct packages available
(1/16) Installing libbz2 (1.0.6-r6)
(2/16) Installing expat (2.2.5-r0)
(3/16) Installing libffi (3.2.1-r4)
(4/16) Installing gdbm (1.13-r1)
(5/16) Installing xz-libs (5.2.4-r0)
(6/16) Installing ncurses-terminfo-base (6.1-r0)
(7/16) Installing ncurses-terminfo (6.1-r0)
(8/16) Installing ncurses-libs (6.1-r0)
(9/16) Installing readline (7.0.003-r0)
(10/16) Installing sqlite-libs (3.24.0-r1)
(11/16) Installing python3 (3.6.4-r1)
(12/16) Installing libgcc (6.4.0-r8)
(13/16) Installing libsodium (1.0.16-r0)
(14/16) Installing libstdc++ (6.4.0-r8)
(15/16) Installing libzmq (4.2.3-r0)
(16/16) Installing py3-zmq (17.1.0-r0)
Executing busybox-1.28.4-r0.trigger
OK: 69 MiB in 29 packages
Removing intermediate container 0f9bd971b5da
---> 83a4db72581d
Step 3/3 : CMD ["/bin/sh"]
---> Running in b37e3ef8e639
Removing intermediate container b37e3ef8e639
---> 558bd6427c77
Successfully built 558bd6427c77
Successfully tagged my/alpine:latest
$ docker run --rm -it my/alpine python3 -c "import zmq; print(zmq.__version__)"
17.1.0发布于 2018-08-19 07:07:31
检查是否在python3.7中运行得更好,如zeromq/pyzmq问题1050中提到的
.c文件是用Cython生成的。看起来Python3.7已经更改了它的C,因此.c文件不再与Python3.7兼容。我们需要等待一个Cython版本来修复对未发布的Python的支持,然后才能使用它。
发布于 2020-12-11 17:57:07
谢谢@hoefling,我首先在AlpinLinuxv3.12上安装了py3-pyzmq包,解决了这个依赖问题。
py3-pyzmq的apk包。
/home # apk添加py3-pyzmq (1/3)安装libzmq (1.0.18-r0) (2/3)安装libzmq (4.3.3-r0) (3/3)在97个包中安装py3-pyzmq (18.1.1-r0) OK: 385 MiBjupyter笔记本。
/home # pip3安装程序顺便提一句,我参考了这篇文章来升级Python2Jupyter在我的->映像项目"ansible-jupyter“上的版本。
https://stackoverflow.com/questions/51915174
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