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python - Docker 构建：为 mariadb 运行 setup.py install 失败

问题描述

我正在为必须与远程 MariaDB 服务器连接的 python 代码构建一个 docker 映像。经过一些试验和错误后，我能够在本地运行它，但是为了使远程（虚拟）服务器上的安装更容易，我真的希望该解决方案也可以与 docker 映像一起使用。

一旦我使用 < 3.11 的旧 alpine 版本，使用较低版本会导致兼容性问题：

MariaDB Connector/Python requires MariaDB Connector/C >= 3.1.5, found version 3.0.10

不同的python版本似乎也不起作用。

我的Dockerfile：

FROM python:3.6-alpine
RUN apk add --no-cache mariadb-dev build-base
RUN pip install mariadb

控制台输出：

> docker build . -t dockerpython
Sending build context to Docker daemon  137.5MB
Step 1/7 : FROM python:3.6-alpine3.12
3.6-alpine3.12: Pulling from library/python
Digest: sha256:c228fcf0064d5595b4c7aab92b68598917383fe066dc5e17d2e426b0395c7848
Status: Downloaded newer image for python:3.6-alpine3.12
 ---> 176f50d88b04
Step 2/7 : RUN apk add --no-cache mariadb-dev build-base
 ---> Using cache
 ---> afd8f9e92e7f
Step 3/7 : RUN pip install mariadb
 ---> Running in 887a7e3ea2f2
Collecting mariadb
  Downloading mariadb-1.0.3.tar.gz (66 kB)
Building wheels for collected packages: mariadb
  Building wheel for mariadb (setup.py): started
  Building wheel for mariadb (setup.py): finished with status 'error'
  ERROR: Command errored out with exit status 1:
   command: /usr/local/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-x63w3ma6/mariadb/setup.py'"'"'; __file__='"'"'/tmp/pip-install-x63w3ma6/mariadb/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-kxbxgt6f
       cwd: /tmp/pip-install-x63w3ma6/mariadb/
  Complete output (29 lines):
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.linux-x86_64-3.6
  creating build/lib.linux-x86_64-3.6/mariadb
  copying mariadb/__init__.py -> build/lib.linux-x86_64-3.6/mariadb
  creating build/lib.linux-x86_64-3.6/mariadb/constants
  copying mariadb/constants/__init__.py -> build/lib.linux-x86_64-3.6/mariadb/constants
  copying mariadb/constants/CLIENT.py -> build/lib.linux-x86_64-3.6/mariadb/constants
  copying mariadb/constants/INDICATOR.py -> build/lib.linux-x86_64-3.6/mariadb/constants
  copying mariadb/constants/CURSOR.py -> build/lib.linux-x86_64-3.6/mariadb/constants
  copying mariadb/constants/FIELD_TYPE.py -> build/lib.linux-x86_64-3.6/mariadb/constants
  running build_ext
  building 'mariadb._mariadb' extension
  creating build/temp.linux-x86_64-3.6
  creating build/temp.linux-x86_64-3.6/mariadb
  gcc -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -DTHREAD_STACK_SIZE=0x100000 -fPIC -DPY_MARIADB_MAJOR_VERSION=1 -DPY_MARIADB_MINOR_VERSION=0 -DPY_MARIADB_PATCH_VERSION=3 -I/usr/include/mysql -I/usr/include/mysql/mysql -I./include -I/usr/local/include/python3.6m -c mariadb/mariadb.c -o build/temp.linux-x86_64-3.6/mariadb/mariadb.o -DDEFAULT_PLUGINS_SUBDIR="/usr/lib/mariadb/plugin"
  gcc -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -DTHREAD_STACK_SIZE=0x100000 -fPIC -DPY_MARIADB_MAJOR_VERSION=1 -DPY_MARIADB_MINOR_VERSION=0 -DPY_MARIADB_PATCH_VERSION=3 -I/usr/include/mysql -I/usr/include/mysql/mysql -I./include -I/usr/local/include/python3.6m -c mariadb/mariadb_connection.c -o build/temp.linux-x86_64-3.6/mariadb/mariadb_connection.o -DDEFAULT_PLUGINS_SUBDIR="/usr/lib/mariadb/plugin"
  gcc -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -DTHREAD_STACK_SIZE=0x100000 -fPIC -DPY_MARIADB_MAJOR_VERSION=1 -DPY_MARIADB_MINOR_VERSION=0 -DPY_MARIADB_PATCH_VERSION=3 -I/usr/include/mysql -I/usr/include/mysql/mysql -I./include -I/usr/local/include/python3.6m -c mariadb/mariadb_exception.c -o build/temp.linux-x86_64-3.6/mariadb/mariadb_exception.o -DDEFAULT_PLUGINS_SUBDIR="/usr/lib/mariadb/plugin"
  gcc -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -DTHREAD_STACK_SIZE=0x100000 -fPIC -DPY_MARIADB_MAJOR_VERSION=1 -DPY_MARIADB_MINOR_VERSION=0 -DPY_MARIADB_PATCH_VERSION=3 -I/usr/include/mysql -I/usr/include/mysql/mysql -I./include -I/usr/local/include/python3.6m -c mariadb/mariadb_cursor.c -o build/temp.linux-x86_64-3.6/mariadb/mariadb_cursor.o -DDEFAULT_PLUGINS_SUBDIR="/usr/lib/mariadb/plugin"
  gcc -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -DTHREAD_STACK_SIZE=0x100000 -fPIC -DPY_MARIADB_MAJOR_VERSION=1 -DPY_MARIADB_MINOR_VERSION=0 -DPY_MARIADB_PATCH_VERSION=3 -I/usr/include/mysql -I/usr/include/mysql/mysql -I./include -I/usr/local/include/python3.6m -c mariadb/mariadb_codecs.c -o build/temp.linux-x86_64-3.6/mariadb/mariadb_codecs.o -DDEFAULT_PLUGINS_SUBDIR="/usr/lib/mariadb/plugin"
  mariadb/mariadb_codecs.c: In function 'my_strtoull':
  mariadb/mariadb_codecs.c:148:15: error: 'ULONG_LONG_MAX' undeclared (first use in this function); did you mean 'ULLONG_MAX'?
    148 |     if (val > ULONG_LONG_MAX /10 || val*10 > ULONG_LONG_MAX - (*p - '0'))
        |               ^~~~~~~~~~~~~~
        |               ULLONG_MAX
  mariadb/mariadb_codecs.c:148:15: note: each undeclared identifier is reported only once for each function it appears in
  error: command 'gcc' failed with exit status 1
  ----------------------------------------
  ERROR: Failed building wheel for mariadb
...
The command '/bin/sh -c pip install mariadb' returned a non-zero code: 1

标签： pythondockermariadbconnector

解决方案

在安装 mariadb 之前，您需要安装一些依赖项。

MariaDB 10.2 版——sudo apt-get install -y libmariadb-dev

MariaDB 10.3 版——sudo apt-get install -y libmariadb-dev-compat

您可以使用基础镜像，而不是使用 alpine 或 python 基础debian:slim镜像。

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