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注:centos7安装pyinstaller比较麻烦,因为pyinstaller5.0需要python3.7以上,而centos7默认安装的是Python 2.7.5,如果通过yum install python3,则安装的python是3.6.8。
经研究采用两种方法安装python,一是基于源码安装python3.10版本,二是基于miniconda3安装
一、python源码安装及pyinstaller编译
1、安装Python 3.10
(1)yum更新
yum update
yum install openssl-devel bzip2-devel libffi-devel
yum groupinstall "Development Tools"
(2)下载python3.10
wget https://www.python.org/ftp/python/3.10.2/Python-3.10.2.tgz
(3)安装python3.10
tar -xzf Python-3.10.2.tgz
cd Python-3.10.2
./configure --enable-optimizations
make altinstall
(4)验证安装
python3.10 --version
其他版本安装同理
2、安装pyinstaller
(1)升级pip
python3.10 -m pip install --upgrade pip -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
(2)安装pyinstaller
pip3.10 install pyinstaller -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
运行上面命令,应该看到如下输出结果:
Successfully installed pyinstaller-x.x.x
3、优化项目的requirements.txt
注:这一步可以不需要,有时优化后pyinstaller编译后运行不了。
(1)将代码上传到centos目录
(2)安装pipreqs
pip install pipreqs -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
(3)根据代码重新生成requirements.txt
pipreqs ./ --encoding=utf8 --use-local --force
4、编译python项目
(1)在centos目录执行编译
pip install -r requirements.txt -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
pyinstaller -D main.py
编译后当前目录下会有dist目录
5、编译过程中出现的错误记录
特别说明:所有的错误,通过咨询deepseek都解决了。
(1)The 'pathlib' package is an obsolete backport of a standard library package and is incompatible with PyInstaller. Please remove this package
pip3.10 uninstall pathlib
(2)No matching distribution found for pipreqs
pip3.10 install pipreqs -i https://pypi.tuna.tsinghua.edu.cn/simple --trusted-host pypi.tuna.tsinghua.edu.cn
(3)Could not fetch URL https://mirrors.aliyun.com/pypi/simple/pipreqs/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='mirrors.aliyun.com', port=443)
将https改为 http
pip3.10 install pipreqs -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
(4)ERROR: Python library not found: libpython3.10.so, libpython3.10.so.1.0
# 进入 Python 源码目录(如果是自行编译的)
cd Python-3.10.2
# 清理之前的编译
make distclean
# 重新配置并启用共享库
./configure --enable-optimizations --enable-shared
make -j$(nproc)
sudo make altinstall
(5)/usr/local/bin/python3.10: error while loading shared libraries: libpython3.10.so.1.0: cannot open shared object file: No such file or directory
# 配置动态库加载路径,永久生效
echo "/usr/local/lib" | sudo tee /etc/ld.so.conf.d/python3.10.conf
# 刷新动态库缓存
sudo ldconfig
(6)ModuleNotFoundError: No module named '_ssl'
这个错误表明 PyInstaller 打包后的可执行文件缺少 Python 的 _ssl模块(用于 HTTPS/SSL 加密支持)
手动编译openssl
wget https://www.openssl.org/source/openssl-1.1.1w.tar.gz
tar xzf openssl-1.1.1w.tar.gz
cd openssl-1.1.1w
./config --prefix=/usr/local/openssl --openssldir=/usr/local/openssl
make -j$(nproc)
sudo make install
# 更新动态库链接
echo "/usr/local/openssl/lib" | sudo tee /etc/ld.so.conf.d/openssl-1.1.1.conf
sudo ldconfig
重新编译python
# 进入 Python 源码目录
cd Python-3.10.x
# 清理旧编译
make distclean
# 配置时指定 OpenSSL 路径
./configure \
--enable-optimizations \
--enable-shared \
--with-openssl=/usr/local/openssl # 或 /usr/include/openssl11(CentOS)
# 编译安装
make -j$(nproc)
sudo make altinstall
二、miniconda3安装及pyinstaller编译
1、安装python
conda create -n test python=3.11.7
conda activate test
2、安装pyinstaller
pip install pyinstaller -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
3、优化项目的requirements.txt
注:这一步可以不需要,有时优化后pyinstaller编译后运行不了,另外:安装pipreqs太多异常。
将代码上传到centos目录,然后安装pipreqs、生成requirements.txt
pip install pipreqs -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
上面安装一直失败,最后通过如下命令安装成功
conda install -c conda-forge pyzmq pipreqs
4、编译python项目
pip install -r requirements.txt -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
pyinstaller -D main.py
编译后会产生dist和build目录,其中dist目录才是运行文件的目录
三、docker镜像制作
1、查询应用依赖
ldd ./dist/main
显示如下
linux-vdso.so.1 => (0x00007ffe6a9c5000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007f0b2eb67000)
libz.so.1 => /lib64/libz.so.1 (0x00007f0b2e951000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f0b2e735000)
libc.so.6 => /lib64/libc.so.6 (0x00007f0b2e367000)
/lib64/ld-linux-x86-64.so.2 (0x00007f0b2ed6b000)
3、查找libpython3.11.so.1.0依赖
存在_internal目录,是因为pyinstaller打包时采用 -D,而不是 -F。
ldd ./dist/_internal/libpython3.11.so.1.0
显示如下
linux-vdso.so.1 => (0x00007ffc975f0000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f2d8286f000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007f2d8266b000)
libutil.so.1 => /lib64/libutil.so.1 (0x00007f2d82468000)
libm.so.6 => /lib64/libm.so.6 (0x00007f2d82166000)
libc.so.6 => /lib64/libc.so.6 (0x00007f2d81d98000)
/lib64/ld-linux-x86-64.so.2 (0x00007f2d83056000)
4、制作Dockerfile
# 使用轻量级基础镜像
FROM alpine:3.18
#FROM scratch,如果用这个,则后面的RUN chmod +x /app/main会报如下错误
#runc run failed: unable to start container process: exec: "/bin/sh": stat /bin/sh: no such file or directory
# 创建库文件目录
WORKDIR /lib64/
# 从 CentOS 7 镜像复制关键库文件
# ldd ./dist/main的依赖
COPY --from=centos:7 /lib64/libdl.so.2 /lib64/libdl.so.2
COPY --from=centos:7 /lib64/libz.so.1 /lib64/libz.so.1
COPY --from=centos:7 /lib64/libpthread.so.0 /lib64/libpthread.so.0
COPY --from=centos:7 /lib64/libc.so.6 /lib64/libc.so.6
COPY --from=centos:7 /lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
#ldd ./dist/_internal/libpython3.11.so.1.0的依赖
COPY --from=centos:7 /lib64/libutil.so.1 /lib64/libutil.so.1
COPY --from=centos:7 /lib64/libm.so.6 /lib64/libm.so.6
COPY --from=centos:7 /lib64/libc.so.6 /lib64/libc.so.6
#其他依赖
#如果没有此句,则在启动容器时会报如下错误
#ImportError: librt.so.1: cannot open shared object file: No such file or directory
COPY --from=centos:7 /lib64/librt.so.1 /lib64/librt.so.1
# 设置动态库搜索路径
ENV LD_LIBRARY_PATH=/lib64
# 复制打包好的可执行文件
COPY dist/ /app/
RUN chmod +x /app/main
# 设置工作目录和启动命令
WORKDIR /app
# 设置入口点
ENTRYPOINT ["/app/main"]
5、制作docker-compose.yml
version: '3.8'
services:
mytest:
build:
context: .
dockerfile: Dockerfile
container_name: mytest
ports:
- '6080:6080'
volumes:
- ./log:/app/log:rw # 挂载宿主机 log 目录到容器
- ./template:/app/template:ro # 挂载宿主机 template 目录到容器
environment:
- TZ=Asia/Shanghai # 可选:设置时区
6、构建并启动服务
docker-compose up -d --build
四、改进
(1)容器后台运行及支持bash
docker-compose.yml
version: '3.8'
services:
mytest:
build:
context: .
dockerfile: Dockerfile
container_name: mytest
ports:
- '6080:6080'
volumes:
- ./log:/app/log:rw # 挂载宿主机 log 目录到容器
- ./template:/app/template:ro # 挂载宿主机 template 目录到容器
environment:
- TZ=Asia/Shanghai # 可选:设置时区
Dockerfile
# 使用轻量级基础镜像
FROM alpine:3.18
#FROM scratch,如果用这个,则后面的RUN chmod +x /app/main会报如下错误
#runc run failed: unable to start container process: exec: "/bin/sh": stat /bin/sh: no such file or directory
# 使用 Alpine 自带的 libz(删除从 CentOS 复制的 libz.so.1),会安装在 /lib
RUN apk add --no-cache zlib
# 创建软链接,让程序在 /lib64 也能找到 libz.so.1
RUN mkdir -p /lib64 && ln -s /lib/libz.so.1 /lib64/libz.so.1
# 创建库文件目录
WORKDIR /lib64/
# 从 CentOS 7 镜像复制关键库文件
# ldd ./dist/main的依赖
COPY --from=centos:7 /lib64/libdl.so.2 /lib64/libdl.so.2
###COPY --from=centos:7 /lib64/libz.so.1 /lib64/libz.so.1
COPY --from=centos:7 /lib64/libpthread.so.0 /lib64/libpthread.so.0
COPY --from=centos:7 /lib64/libc.so.6 /lib64/libc.so.6
COPY --from=centos:7 /lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
#ldd ./dist/_internal/libpython3.11.so.1.0的依赖
COPY --from=centos:7 /lib64/libutil.so.1 /lib64/libutil.so.1
COPY --from=centos:7 /lib64/libm.so.6 /lib64/libm.so.6
COPY --from=centos:7 /lib64/libc.so.6 /lib64/libc.so.6
#其他依赖
#如果没有此句,则在启动容器时会报如下错误
#ImportError: librt.so.1: cannot open shared object file: No such file or directory
COPY --from=centos:7 /lib64/librt.so.1 /lib64/librt.so.1
# 设置动态库搜索路径(包含 /lib 和 /lib64)
ENV LD_LIBRARY_PATH=/lib64:/lib
# 安装bash(如需)
RUN apk add --no-cache bash
# 复制打包好的可执行文件
COPY dist/ /app/
RUN chmod +x /app/main
# 设置工作目录和启动命令
WORKDIR /app
# 设置入口点
ENTRYPOINT ["/app/main", "--daemon"]
(2)多阶段构建(一战式构建)
docker-compose.yml
version: '3.8'
services:
mytest:
build:
context: .
dockerfile: Dockerfile
container_name: mytest
ports:
- '6080:6080'
volumes:
- ./log:/app/log:rw # 挂载宿主机 log 目录到容器
- ./template:/app/template:ro # 挂载宿主机 template 目录到容器
environment:
- TZ=Asia/Shanghai # 可选:设置时区
Dockerfile
# 第一阶段:构建
FROM python:3.11-alpine as builder
# 安装系统依赖
RUN apk add --no-cache \
build-base \
zlib-dev \
libffi-dev \
openssl-dev \
mariadb-connector-c-dev \
pkgconfig \
mariadb-dev
# 安装Python依赖
WORKDIR /build
# 安装依赖
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt && \
pip install pyinstaller
# 复制源码并打包(关键修改)
COPY . .
RUN pyinstaller \
--onefile \
--add-binary /usr/local/lib/libpython3.11.so.1.0:. \
--runtime-tmpdir . \
main.py
# 第二阶段:运行时
FROM python:3.11-alpine
RUN apk add --no-cache \
libstdc++ \
gcompat \
libc6-compat \
mariadb-connector-c
COPY --from=builder /build/dist/main /app/main
COPY --from=builder /usr/local/lib/libpython3.11.so.1.0 /app/
# 安装bash(如需),以便进入容器可以执行bash命令
RUN apk add --no-cache bash
ENV LD_LIBRARY_PATH=/app
WORKDIR /app
RUN chmod +x main
# 让容器后台进程运行
ENTRYPOINT ["/app/main", "--daemon"]
五、分发
#导出镜像
docker save test -o test.img
#在另外的服务器导入镜像
docker load -i test.img
#启动镜像
docker run -d -p 6080:6080 --name mytest_docker\
-v ./log:/app/log:rw \
-v ./template:/app/template:ro \
test
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