Doccano标注系统安装与二次开发

悠悠 2023-02-18 09:55 19阅读 0赞

# Doccano标注系统安装与二次开发（机器学习从业开发者标注工具，支持多语言） #

### 文章目录 ###

*  Doccano标注系统安装与二次开发（机器学习从业开发者标注工具，支持多语言）
 *   *  Doccano标注系统安装
     *   *  1.1 linux上单独部署
         *  1.1 linux上，前后端分离部署
         *  windows上二次开发环境部署
     *  基于doccano项目的二次开发，为不同用户平均分配标注任务

Doccano是面向机器学习专业人员的开源文本标注工具。  
![doccano\_001][doccano_001]

## Doccano标注系统安装 ##

*  项目git地址： [https://github.com/doccano/doccano][https_github.com_doccano_doccano]

在doccano项目中，已经简单介绍过安装方法。项目实际文件时在app中。

1.  git目录结构如下： ![doccano\_002][doccano_002]

### 1.1 linux上单独部署 ###

git clone https://github.com/doccano/doccano.git
    cd doccano/

![doccano\_003][doccano_003]

*  修改docker-compose.prod.yml文件中的用户名和密码

ADMIN_USERNAME: "admin"
    ADMIN_PASSWORD: "password"

*  运行项目

docker-compose -f docker-compose.dev.yml up

在doccano项目中，已经介绍了上面方法部署。这里不再做过多介绍。

### 1.1 linux上，前后端分离部署 ###

经过分析，doccano后端代码在app目录中，前端代码在app/server/static目录中。

*  后端目录 ![004][]
 *  前端目录  
    ![005][]

1.  修改前端启动ip及其他
    
     *  本次使用域名"www.mumuxi.online"
     *  `vim webpack.config.js`修改后的文件如下
    
        const fs = require('fs');
        const path = require('path');
        const process = require('process');
        const BundleTracker = require('webpack-bundle-tracker');
        const VueLoaderPlugin = require('vue-loader/lib/plugin')
        const { ContextReplacementPlugin } = require('webpack');
        const hljsLanguages = require('./components/hljsLanguages');
        
        const devMode = process.env.DEBUG !== 'False';
        const hotReload = process.env.HOT_RELOAD === '1';
        const webpackHost = process.env.WEBPACK_HOST || '0.0.0.0';
        const webpackPort = process.env.WEBPACK_PORT ? parseInt(process.env.WEBPACK_PORT, 10) : 8080;
        const pollMillis = process.env.WEBPACK_POLL_MILLIS ? parseInt(process.env.WEBPACK_POLL_MILLIS, 10) : false;
        const noSourceMap = process.env.SOURCE_MAP === 'False';
        
        const pagesRoot = path.join(__dirname, 'pages');
        const entryPoints = {};
        fs.readdirSync(pagesRoot).forEach((scriptName) => {
            const bundleName = path.parse(scriptName).name;
            const scriptPath = path.join(pagesRoot, scriptName)
            entryPoints[bundleName] = scriptPath;
        });
        
        module.exports = {
            mode: devMode ? 'development' : 'production',
            entry: entryPoints,
            output: {
                publicPath: hotReload ? `http://www.mumuxi.online:${webpackPort}/` : '',
                path: path.join(__dirname, 'bundle'),
                filename: '[name].js'
            },
            devtool: noSourceMap ? false : (devMode ? 'cheap-eval-source-map' : 'source-map'),
            devServer: {
                port: webpackPort,
                host: webpackHost,
                disableHostCheck: true,
                hot: true,
                quiet: false,
                headers: { 'Access-Control-Allow-Origin': '*' }
            },
            watchOptions: {
                poll: pollMillis,
            },
            module: {
                rules: [
                    {
                        test: /\.pug$/,
                        loader: 'pug-plain-loader'
                    },
                    {
                        test: /\.css$/,
                        use: [
                            'vue-style-loader',
                            'css-loader'
                        ]
                    },
                    {
                        test: /\.vue$/,
                        loader: 'vue-loader'
                    }
                ]
            },
            plugins: [
                new ContextReplacementPlugin(
                    /highlight\.js\/lib\/languages$/,
                    new RegExp(`^./(${hljsLanguages.join('|')})$`)
                ),
                new BundleTracker({ filename: './webpack-stats.json' }),
                new VueLoaderPlugin()
            ],
            resolve: {
                extensions: ['.js', '.vue'],
                alias: {
                    vue$: 'vue/dist/vue.esm.js',
                },
            },
        }

![006][]

1.  为前端创建Dockerfile文件，内容如下
    
        FROM node
        
        WORKDIR /usr/src/app
        
        # 设置时区
        RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
        RUN echo 'Asia/Shanghai' >/etc/timezone
        
        
        CMD [ "bash"]
2.  创建并运行前端容器
    
        # 构建镜像文件
         docker build -t doccanoweb .  
        
        #　初始化npm
         docker run -i --rm --name doccanoweb --network host -v "$PWD"/:/usr/src/app/ -e PYTHONUNBUFFERED=0 doccanoweb npm install
        
        # 使用npm编译项目
         docker run -i --rm --name doccanoweb --network host -v "$PWD"/:/usr/src/app/ -e PYTHONUNBUFFERED=0 doccanoweb npm run build
        
        # 启动项目
        docker run --name doccanoweb --restart=always --network host -v "$PWD"/:/usr/src/app/ -d doccanoweb npm start

![007][]  
![008][]  
4. 创建后端dockerfile文件

* 进入目录`/root/doccano001/doccano/app`目录。删除原来的Dockerfile文件，重新川剧新的Dockerfile文件，文件内容如下
    
    ````dockerfile
    FROM python:3.7
    
    WORKDIR /usr/src/app
    
    RUN apt-get update \
        && apt-get install --no-install-recommends -y python3-dev libpq-dev unixodbc-dev
    
    COPY requirements.txt ./
    
    RUN pip install --no-cache-dir -i https://mirrors.aliyun.com/pypi/simple/ -r requirements.txt
    
    # 设置时区
    RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
    RUN echo 'Asia/Shanghai' >/etc/timezone
    
    
    CMD [ "bash"]
    
    ````

1.  创建后端镜像，启动后端。

# 根据dockerfile文件，构建后端镜像doccano
    docker build -t doccano .
    # 初始化后端项目
    docker run -i --rm --name doccano --network host -v "$PWD"/:/usr/src/app/ -e PYTHONUNBUFFERED=0 doccano python manage.py makemigrations
    docker run -i --rm --name doccano --network host -v "$PWD"/:/usr/src/app/ -e PYTHONUNBUFFERED=0 doccano python manage.py migrate
    # 创建管理员账号密码
    docker run -i --rm --name doccano --network host -v "$PWD"/:/usr/src/app/ -e PYTHONUNBUFFERED=0 doccano python manage.py create_admin --noinput --username "admin" --email "admin@admin.com" --password "admin"
    # 项目初始化配置
    docker run -i --rm --name doccano --network host -v "$PWD"/:/usr/src/app/ -e PYTHONUNBUFFERED=0 doccano python manage.py create_roles
    # 启动项目
    docker run --name doccano --restart=always --network host -v "$PWD"/:/usr/src/app/ -d doccano gunicorn --bind 0.0.0.0:8000 app.wsgi -w 4 -k gthread --thread 16 --timeout 300

![009][]![010][]

*  现在访问：后端启动端口`127.0.0.1:8000`(注意，由于自己服务器定义了域名，所以下面自己直接使用域名www.mumuxi.online:8000访问)  
    ![011][]
 *  使用admin用户登录后就可以创建项目了  
    ![012][]

### windows上二次开发环境部署 ###

*  开发工具pycharm
 *  前端启动所需工具node.js
    
    在git项目中下载zip文件，解压在windows目录中。  
    下载地址：[https://codeload.github.com/doccano/doccano/zip/master][https_codeload.github.com_doccano_doccano_zip_master]
    
    或者使用git下载。  
    `git clone https://github.com/doccano/doccano.git`  
    ![013][]

1.  解压下载后的文件进入下项目目录`D:\MyPythonUse\doccano\doccano\app`![014][]
2.  使用pycharm代开次目录，并创建虚拟开发环境
    
     *  虚拟环境python版本：Python 3.6.8  
        ![015][]
3.  安装必要插件,及初始化项目。并启动
    
        # 安装插件
        pip install -r requirements.txt
        #初始化项目
        python manage.py makemigrations
        python manage.py migrate
        # 创建管理员用户密码
        python manage.py create_admin --noinput --username "admin" --email "admin@admin.com" --password "admin"
        # 初始化项目角色
        python manage.py create_roles
        #启动项目（注意，现在启动后还不能访问，因为前段还没部署）
        python manage.py runserver
    
    ![017][]
4.  使用cmd，进入前端目录，本地部署前端
    
     *  前端目录： `\MyPythonUse\doccano\doccano\app\server\static`  
        ![016][]
     *  初始化前端，并部署
    
        # 初始化前端项目
        npm install
        #　编译前端项目
        npm run build
        #　启动前端项目
        npm start

![018][]

1.  现在前后端都启动后，访问："http://127.0.0.1:8000"端口就可以看到项目已经部署成功。使用之前创建的用户admin/admin可以直接登录。  
    ![019][]
2.  创建一个简单的项目text  
    ![020][]
3.  导入标注测试文件

aaaaaaaaaaaaaa  
bbbbbbbbbbbbbbb  
cccccccccccccccccc  
ddddddddddddddddddddd  
eeeeeeeeeeeeeeeeeeeeeeee  
\`\`\`\`

![021][]

## 基于doccano项目的二次开发，为不同用户平均分配标注任务 ##

*  问题：  
    对于目前标注系统中，经过使用发现，当多用户同时操作时，标注文档是共享的。如果对于需要给每个参加标注的用户平均分配标注任务。目前系统无法做到。
 *  解决：  
    本次源码修改，完善对`sequence labeling`做到权限文档分配。  
    1. admin管理员用户，可以预览和标注项目中所有文档  
    2. 其他用户平均分配项目中所有文档，每个用户标注时，只能看见自己文档。
 *  修改内容如下：

1.  修改app/api/models.py文件中Document模型。增加一个字段userid
    
        userid = models.IntegerField(null=True)

![023][]  
2. 修改app/api/serializers.py中。对DocumentSerializer中的fields增加userid

![024][]

1.  在app/api/views.py中添加如下函数
    
        # 无线循环生成器(对列表中的值，依次循环返回)
        def getuserid(userids:list):
            nums = len(userids)
            def _getuserid():
                k = 0
                while True:
                    if nums==0:
                        yield 0
                    elif k<nums:
                        yield userids[k]
                        k+= 1
                    else:
                        k = 0
            return _getuserid()

![025][]  
4. 修改app/api/views.py中TextUploadAPI类的的save\_file方法如下：

````py
    @classmethod
    def save_file(cls, user, file, file_format, project_id):
        project = get_object_or_404(Project, pk=project_id)
        parser = cls.select_parser(file_format)
        data = parser.parse(file)
        storage = project.get_storage(data)
        # 动态注入属性。为id生成器
        storage.getuserid = getuserid([k.id for k in project.users.all() if k.username!="admin"])
        storage.save(user)
    ````

![026][]

1.  修改app/api/utils.py中BaseStorage中save\_doc方法
    
        def save_doc(self, data):
            # 分配用户id
            for k in data:
                k["userid"] = next(self.getuserid)
            serializer = DocumentSerializer(data=data, many=True)
            serializer.is_valid(raise_exception=True)
            doc = serializer.save(project=self.project)
            return doc

![027][]

1.  修改app/api/views.py中DocumentList类中get\_queryset方法，根据用户id获取不同用户数据
    
        def get_queryset(self):
            project = get_object_or_404(Project, pk=self.kwargs['project_id'])
        
            queryset = project.documents
            if self.request.user.username != "admin":
                queryset = queryset.filter(userid=self.request.user.id)
            if project.randomize_document_order:
                queryset = queryset.annotate(sort_id=F('id') % self.request.user.id).order_by('sort_id')
            else:
                queryset = queryset.order_by('id')
        
            return queryset

![028][]  
7. 修改app/api/views.py中StatisticsAPI中的progress方法。调整显示进度情况

````py
    # 修改用户显示总数情况
    def progress(self, project):
        docs = project.documents
        annotation_class = project.get_annotation_class()
        if self.request.user.username != "admin":
            docs = docs.filter(userid=self.request.user.id)
        total = docs.count()
        annotation_filter = Q(document_id__in=docs.all())
        user_data = self._get_user_completion_data(annotation_class, annotation_filter)
        if not project.collaborative_annotation:
            annotation_filter &= Q(user_id=self.request.user)
        done = annotation_class.objects.filter(annotation_filter)\
            .aggregate(Count('document', distinct=True))['document__count']
        remaining = total - done
        return {'total': total, 'remaining': remaining, 'user': user_data}
    ````

![029][]  
8. 重启项目

````py
    python manage.py makemigrations
    python manage.py migrate
    python manage.py runserver
    ````

![030][]  
9. 使用管理员用户登录，在users表中创建三个用户t1,t2,t3  
\* 管理员页面:[http://127.0.0.1:8000/admin/][http_127.0.0.1_8000_admin]

![031][]  
![032][]  
10. 使用admin登录web，创建项目tt,并添t1,t2,t3用户到项目中。

![033][]

1.  导出如下测试文件后，分别使用admin,t1,t2,t3登录，可以看到，t1,t2,t3中的可标注数量已经平均分配。admin可以看到全部标注文档
    
        1111111111111111111111111111111
        22222222222222222222
        3333333333333333333333333
        44444444444444444444444
        5555555555555555
        666666666666666666666666666666666
        777777777777777777777777777
        8888888888888888888888888888
        9999999999999999999999999999999999999
        00000000000000000000000000000
        121212121212121212121212121
        1313131313131313131313131
        14141414141414141414
        1515151515151515151515
        16161616161616161616
        171717171717171717
        18181818181818
        1919191919191919191919191919
        2020202020202002020202020
        212121212121212121212121212121
    
     *  admin用户可以看到20条数据  
        ![034][]
     *  t1用户可以看到7条数据  
        ![035][]
     *  t2用户可以看到7条数据  
        ![036][]
     *  t3用户可以看到7条数据  
        ![037][]

[doccano_001]: https://img-blog.csdnimg.cn/2020061712063583.gif
[https_github.com_doccano_doccano]: https://github.com/doccano/doccano
[doccano_002]: https://img-blog.csdnimg.cn/20200617120721415.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[doccano_003]: https://img-blog.csdnimg.cn/20200617120815628.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[004]: https://img-blog.csdnimg.cn/20200617120911470.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[005]: https://img-blog.csdnimg.cn/20200617121000954.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[006]: https://img-blog.csdnimg.cn/20200617121058278.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[007]: https://img-blog.csdnimg.cn/20200617121202181.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[008]: https://img-blog.csdnimg.cn/20200617121215557.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[009]: https://img-blog.csdnimg.cn/20200617121244370.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[010]: https://img-blog.csdnimg.cn/20200617121257797.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[011]: https://img-blog.csdnimg.cn/20200617121316331.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[012]: https://img-blog.csdnimg.cn/20200617121337191.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[https_codeload.github.com_doccano_doccano_zip_master]: https://codeload.github.com/doccano/doccano/zip/master
[013]: https://img-blog.csdnimg.cn/20200617121404954.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[014]: https://img-blog.csdnimg.cn/20200617121419336.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[015]: https://img-blog.csdnimg.cn/20200617121432791.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[017]: https://img-blog.csdnimg.cn/20200617121520594.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[016]: https://img-blog.csdnimg.cn/20200617121547567.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[018]: https://img-blog.csdnimg.cn/20200617121614916.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[019]: https://img-blog.csdnimg.cn/20200617121632892.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[020]: https://img-blog.csdnimg.cn/20200617121730518.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[021]: https://img-blog.csdnimg.cn/20200617121751829.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
[023]: https://img-blog.csdnimg.cn/20200617121821870.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTMwMDg3OTU=,size_16,color_FFFFFF,t_70
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