ckanext-scheming

下載

  • 預先安裝必要 package : ckantoolkit, ckanapi
# 必須確認進入虛擬環境 (因 ckan 執行為 sandbox-based 環境)
. /usr/lib/ckan/default/bin/activate

# 透過 pip 進行安裝
pip2 install ckantoolkit
pip2 install ckanapi

# 檢查是否安裝成功
pip2 list
  • 自 github 安裝 by http protocol
# 放置在 ckan 預設放置 plugin 路徑
$ cd /usr/lib/ckan/default/src/ckan/ckanext

# 取得原 plugin 模組的 http url
$ git clone https://github.com/ckan/ckanext-scheming.git

# clone 後的內容會放置在
$ cd /usr/lib/ckan/default/src/ckan/ckanext/ckanext-scheming/

設定必要組態檔

  • 設訂新的 group schema 內容，此 plugin 透過 json 來設定 schema， ckanext/scheming/group_with_bookface.json 
{
  "scheming_version": 1,
  "group_type": "group",
  "about_url": "http://github.com/ckan/ckanext-scheming",
  "fields": [
    {
      "field_name": "title",
      "label": "中文名稱",
      "validators": "ignore_missing unicode",
      "form_snippet": "large_text.html",
      "form_attrs": {"data-module": "slug-preview-target"},
      "form_placeholder": "中文名稱"
    },
    {
      "field_name": "etitle",
      "label": "English Name",
      "validators": "ignore_missing unicode",
      "form_snippet": "large_text.html",
      "form_attrs": {"data-module": "slug-preview-target"},
      "form_placeholder": "group name in English"
    },
    {
      "field_name": "name",
      "label": "URL",
      "validators": "not_empty unicode name_validator group_name_validator",
      "form_snippet": "slug.html",
      "form_placeholder": "my-organization"
    },
    {
      "field_name": "notes",
      "label": "中文敘述",
      "form_snippet": "markdown.html",
      "form_placeholder": "中文敘述"
    },
    {
      "field_name": "enotes",
      "label": "English Description",
      "form_snippet": "markdown.html",
      "form_placeholder": "Description in English"
    },
    {
      "field_name": "url",
      "label": "Image URL",
      "form_placeholder": "http://example.com/my-image.jpg"
    }
  ]
}
  • 設訂新的 organization schema 內容，此 plugin 透過 json 來設定 schema， ckanext/scheming/org_with_dept_id.json 
{
  "scheming_version": 1,
  "organization_type": "organization",
  "about_url": "http://github.com/ckan/ckanext-scheming",
  "fields": [
    {
      "field_name": "title",
      "label": "中文名稱",
      "validators": "ignore_missing unicode",
      "form_snippet": "large_text.html",
      "form_attrs": {"data-module": "slug-preview-target"},
      "form_placeholder": "組織中文名稱"
    },
    {
      "field_name": "etitle",
      "label": "English Name",
      "validators": "ignore_missing unicode",
      "form_snippet": "large_text.html",
      "form_attrs": {"data-module": "slug-preview-target"},
      "form_placeholder": "Organization Name in English"
    },
    {
      "field_name": "name",
      "label": "URL",
      "validators": "not_empty unicode name_validator group_name_validator",
      "form_snippet": "slug.html",
      "form_placeholder": "my-organization"
    },
    {
      "field_name": "notes",
      "label": "中文描述",
      "form_snippet": "markdown.html",
      "form_placeholder": "關於組織資訊 ...."
    },
    {
      "field_name": "enotes",
      "label": "English Description",
      "form_snippet": "markdown.html",
      "form_placeholder": "A little information about my organization in English."
    },
    {
      "field_name": "url",
      "label": "Image URL",
      "form_placeholder": "http://example.com/my-image.jpg"
    },
    {
      "field_name": "department_id",
      "label": "Department ID",
      "form_placeholder": "e.g. 1042"
    }
  ]
}
  • 設定新 data schema 列表，此 plugin 透過 json 來設定 schema，底下舉例為 customized_schema.json
# 存放 schema.json 位置
cd /usr/lib/ckan/default/src/ckan/ckanext/ckanext-scheming/ckanext/scheming/
vim ./customized_schema.json

假設底下為要新增的欄位 (preset 參考下方新定義)

欄位名稱 shema 資料形態或參考表格 說明
website title "preset" 為 "title" 顯示網址
Title in Chinese c_title text 中文標題，於中文網頁顯示
Title in English e_title text 英文標題，於英文網頁顯示
URL name "preset" 為 "dataset_slug" 儲存網址
Description in Chinese cd_notes "preset" 為 "note_meta" 資料集中文描述
Description in English ed_notes "preset" 為 "note_meta" 資料集英文描述
Metadata in Chinese cm_notes "preset" 為 "note_meta" 資料集中文欄位說明
Metadata in English em_notes "preset" 為 "note_meta" 資料集英文欄位說明
Tags tag_string "preset" 為 "tag_string_autocomplete" 資料集的標籤
License license_id "form_snippet" 為 "license.html" 資料集授選
Organization owner_org "preset" 為 "dataset_organization" 資料集釋出的組織
Source url "display_snippet" 為 "link.html" 資料說明頁面
fee fee selector 收費標準
Version version text 顯示資料版本
Author author text 顯示資料集作者
Author Email author_email "display_snippet" 為 "email.html" 作者電子郵件
Published Date pub_time "form_snippet" 為 "date.html" 發布時間
Updated Frequency updated_freq selector 更新頻率

新定義的 json 內容如下：

{
  "scheming_version": 1,
  "dataset_type": "dataset",
  "about": "A reimplementation of the default CKAN dataset schema",
  "about_url": "http://github.com/ckan/ckanext-scheming",
  "dataset_fields": [
    {
      "field_name": "title",
      "label": "website",
      "preset": "title",
      "form_placeholder": "eg. A descriptive title in English"
    },
    {
      "field_name": "c_title",
      "label": "中文標題",
      "form_placeholder": "eg. 登革熱",
      "validators": "ignore_missing unicode package_version_validator"
    },
    {
      "field_name": "e_title",
      "label": "Title in English",
      "form_placeholder": "eg. Dengue",
      "validators": "ignore_missing unicode package_version_validator"
    },
    {
      "field_name": "name",
      "label": "URL",
      "preset": "dataset_slug",
      "form_placeholder": "eg. my-dataset"
    },
    {
      "field_name": "cd_notes",
      "label": "中文資料集描述",
      "preset": "note_meta",
      "form_placeholder": "eg. 2003年起各地區、各年齡層、性別之病例數統計表"
    },
    {
      "field_name": "ed_notes",
      "label": "Description in English",
      "preset": "note_meta",
      "form_placeholder": "eg. The statistical data to determined cases on the age group and gender in Taiwan since 2003."
    },
    {
      "field_name": "cm_notes",
      "label": "中文欄位說明",
      "preset": "note_meta",
      "form_placeholder": "eg. 主要欄位有「確定病名」、「發病年份」、「發病月份」、「縣市」、「性別」、「年齡層」、「確定病例數」"
    },
    {
      "field_name": "em_notes",
      "label": "Metadata in English",
      "preset": "note_meta",
      "form_placeholder": "eg. Columns include disease name, year of onset, month of onset, county name, gender, age group and determined number of cases."
    },
    {
      "field_name": "tag_string",
      "label": "中英文標籤",
      "preset": "tag_string_autocomplete",
      "form_placeholder": "eg. economy, mental health, government"
    },
    {
      "field_name": "data_type",
      "label": "資料集類型",
      "choices": [
        { "value": "rawData", "label": "原始資料" },
        { "value": "services", "label": "系統介接程式" },
        { "value": "apps", "label": "行動化應用軟體" },
        { "value": "tools", "label": "其他" }
      ],
      "form_snippet": "select.html",
      "display_snippet": "select.html"
    },
    {
      "field_name": "license_id",
      "label": "授權方式",
      "form_snippet": "license.html",
      "help_text": "License definitions and additional information can be found at http://opendefinition.org/"
    },
    {
      "field_name": "owner_org",
      "label": "Organization",
      "preset": "dataset_organization"
    },
    {
      "field_name": "url",
      "label": "資料說明頁面",
      "form_placeholder": "http://www.dengue.gov.tw/",
      "display_property": "foaf:homepage",
      "display_snippet": "link.html"
    },
    {
      "field_name": "fee",
      "label": "計費方式",
      "choices": [
        { "value": "toll", "label": "計費" },
        { "value": "free", "label": "免費" }
      ],
      "form_snippet": "select.html",
      "display_snippet": "select.html"
    },
    {
      "field_name": "version",
      "label": "Version",
      "validators": "ignore_missing unicode package_version_validator",
      "form_placeholder": "1.0"
    },
    {
      "field_name": "author",
      "label": "聯絡人",
      "form_placeholder": "王先生",
      "display_property": "dc:creator"
    },
    {
      "field_name": "ea_author",
      "label": "Contact in English",
      "form_placeholder": "Mr. Wang",
      "display_property": "dc:creator"
    },
    {
      "field_name": "author_phone",
      "label": "聯絡人電話",
      "form_placeholder": "02-23959825#0000",
      "display_property": "dc:creator"
    },
    {
      "field_name": "author_email",
      "label": "聯絡人電子郵件",
      "form_placeholder": "[email protected]",
      "display_property": "dc:creator",
      "display_snippet": "email.html",
      "display_email_name_field": "author"
    },
    {
      "field_name": "pub_time",
      "label": "發布時間",
      "form_snippet": "date.html",
      "form_placeholder": "eg. 2016/07/20"
    },
    {
      "field_name": "updated_freq",
      "label": "更新頻率",
      "choices": [
        { "value": "year", "label": "年" },
        { "value": "month", "label": "月" },
        { "value": "day", "label": "日" },
        { "value": "once", "label": "一次性" },
        { "value": "non-scheduled", "label": "不定期" }
      ],
      "form_snippet": "select.html",
      "display_snippet": "select.html"
    },
    {
      "field_name": "data_lang",
      "label": "資料集語系",
      "choices": [
        { "value": "chinese", "label": "僅中文" },
        { "value": "english", "label": "僅英文" },
        { "value": "chinese-english", "label": "中英文" }
      ],
      "form_snippet": "select.html",
      "display_snippet": "select.html"
    }    
  ],
  "resource_fields": [
    {
      "field_name": "url",
      "label": "URL",
      "preset": "resource_url_upload"
    },
    {
      "field_name": "name",
      "label": "Name",
      "form_placeholder": "eg. January 2011 Gold Prices"
    },
    {
      "field_name": "description",
      "label": "Description",
      "form_snippet": "markdown.html",
      "form_placeholder": "Some useful notes about the data"
    },
    {
      "field_name": "format",
            "label": "Format",
      "preset": "resource_format_autocomplete"
    }
  ]
}
  • 設定新參考定義 (presets.json) : 在上述的欄位定義也可以透過 preset 進行設置
cd /usr/lib/ckan/default/src/ckan/ckanext/ckanext-scheming/ckanext/scheming/
vim ./presets.json

{
  "scheming_presets_version": 1,
  "about": "these are the default scheming field presets",
  "about_url": "http://github.com/ckan/ckanext-scheming#preset",
  "presets": [
    {
      "preset_name": "title",
      "values": {
        "validators": "if_empty_same_as(name) unicode",
        "form_snippet": "large_text.html",
        "form_attrs": {
          "data-module": "slug-preview-target"
        }
      }
    },
    {
      "preset_name": "note_meta",
      "values": {
        "validators": "if_empty_same_as(name) unicode",
        "form_snippet": "markdown.html"
      }
    },
    {
      "preset_name": "dataset_slug",
      "values": {
        "validators": "not_empty unicode name_validator package_name_validator",
        "form_snippet": "slug.html"
      }
    },
    {
      "preset_name": "tag_string_autocomplete",
      "values": {
        "validators": "ignore_missing tag_string_convert",
        "form_attrs": {
          "data-module": "autocomplete",
          "data-module-tags": "",
          "data-module-source": "/api/2/util/tag/autocomplete?incomplete=?"
        }
      }
    },
    {
      "preset_name": "dataset_organization",
      "values": {
        "validators": "owner_org_validator unicode",
        "form_snippet": "organization.html"
      }
    },
    {
      "preset_name": "resource_url_upload",
      "values": {
        "validators": "not_empty unicode remove_whitespace",
        "form_snippet": "upload.html",
        "form_placeholder": "http://example.com/my-data.csv",
        "upload_field": "upload",
        "upload_clear": "clear_upload",
        "upload_label": "File"
      }
    },
    {
      "preset_name": "resource_format_autocomplete",
      "values": {
        "validators": "if_empty_guess_format ignore_missing clean_format unicode",
        "form_placeholder": "eg. CSV, XML or JSON",
        "form_attrs": {
          "data-module": "autocomplete",
          "data-module-source": "/api/2/util/resource/format_autocomplete?incomplete=?"
        }
      }
    },
    {
      "preset_name": "select",
      "values": {
        "form_snippet": "select.html",
        "display_snippet": "select.html",
        "validators": "scheming_required scheming_choices"
      }
    },
    {
      "preset_name": "multiple_checkbox",
      "values": {
        "form_snippet": "multiple_checkbox.html",
        "display_snippet": "multiple_choice.html",
        "validators": "scheming_multiple_choice",
        "output_validators": "scheming_multiple_choice_output"
      }
    },
    {
      "preset_name": "multiple_select",
      "values": {
        "form_snippet": "multiple_select.html",
        "display_snippet": "multiple_choice.html",
        "validators": "scheming_multiple_choice",
        "output_validators": "scheming_multiple_choice_output"
      }
    },
    {
      "preset_name": "date",
      "values": {
        "form_snippet": "date.html",
        "display_snippet": "date.html",
        "validators": "scheming_required isodate convert_to_json_if_date"
      }
    },
    {
      "preset_name": "datetime",
      "values": {
        "form_snippet": "datetime.html",
        "display_snippet": "datetime.html",
        "validators": "scheming_isodatetime convert_to_json_if_datetime"
      }
    },
    {
      "preset_name": "datetime_tz",
      "values": {
        "form_snippet": "datetime_tz.html",
        "display_snippet": "datetime_tz.html",
        "validators": "scheming_isodatetime_tz convert_to_json_if_datetime"
      }
    }
  ]
}
  • 設定組態檔案 (以 development.ini 為例)
# 編輯 development.ini
vim /etc/ckan/default/development.ini

# 於 plugins 底下加入 plugins 設定檔
scheming_datasets scheming_groups scheming_organizations

# 並加入 ckanext-scheming settings
# ckanext-scheming settings
scheming.dataset_schemas = ckanext.scheming:/usr/lib/ckan/default/src/ckan/ckanext/ckanext-scheming/ckanext/scheming/customized_schema.json
scheming.presets = ckanext.scheming:/usr/lib/ckan/default/src/ckan/ckanext/ckanext-scheming/ckanext/scheming/presets.json
scheming.dataset_fallback = false
scheming.organization_schemas = ckanext.scheming:org_with_dept_id.json
scheming.group_schemas = ckanext.scheming:group_with_bookface.json

安裝 plugins

  • 先安裝於 development 環境下測試
# 對 setup.py 進行安裝
cd /usr/lib/ckan/default/src/ckan/ckanext/ckanext-scheming
python ./setup.py develop

# 在測試環境下運行 plugin
paster serve /etc/ckan/default/development.ini
  • 安裝於 production 正式環境下
# 編輯 production.ini
vim /etc/ckan/default/production.ini

# 加入 plugins
scheming_datasets scheming_groups scheming_organizations

# 加入組態設定
# add ckanext-scheming settings
scheming.dataset_schemas = ckanext.scheming:/usr/lib/ckan/default/src/ckan/ckanext/ckanext-scheming/ckanext/scheming/customized_schema.json
scheming.presets = ckanext.scheming:/usr/lib/ckan/default/src/ckan/ckanext/ckanext-scheming/ckanext/scheming/presets.json
scheming.dataset_fallback = false
scheming.organization_schemas = ckanext.scheming:org_with_dept_id.json
scheming.group_schemas = ckanext.scheming:group_with_bookface.json

# 安裝於 production
python ./setup.py install

# 重啟 ckan 服務
$ sudo restart ckan

客製化資料集描述與欄位

  • 完成安裝後，可能出現畫面如下

接續便是要將此畫面進行修正，包含將標題、說明與欄位資料依據語言顯示內容。

  • 修正標題 (shema field 自 title 改成 c_title 或 e_title) 與描述 (自 notes 改成 ed_notes 或 cd_notes)
# 測試環境下的修改位置階層 (位於 plugin 資料夾)
/usr/lib/ckan/default/src/ckan/ckanext/ckanext-scheming/ckanext/scheming/
  |- template/scheming
    |- package/
      |- read.html  # 主要顯示頁面，修正標題處與描述

# 正式環境下的修改位置階層
/usr/lib/ckan/default/src/ckan/ckan
  |- /templates/
    |- package/
      |- read.html  # 主要顯示頁面，修正標題處與描述，包含資源與標籤引用

修改標題內容如下

    ...
    {% endif %}
    <h1>
      {# customized : modify dataset title #}
      {% block page_heading %}
        {% if h.lang() == "en" %}
          {{ pkg.e_title or pkg.name }}
        {% elif h.lang() == "zh_TW" %}
          {{ pkg.c_title or pkg.name }}
        {% endif %}

        {% if pkg.state.startswith('draft') %}
        ...

修改描述內容如下

      </h1>
      {% if pkg.ed_notes or pkg.cd_notes %}
        <div class="notes embedded-content">
          {# customized : modify dataset description #}
          {% if h.lang() == "en" %}
             {{ h.render_markdown(pkg.ed_notes) }}
          {% elif h.lang() == "zh_TW" %}
             {{ h.render_markdown(pkg.cd_notes) }}
          {% endif %}
        </div>
      {% endif %}
      ...
  • 修正額外欄位資訊
# 測試機與正式機的修改位置階層 (位於 template 資料夾)
/usr/lib/ckan/default/src/ckan/ckan/templates/
  |- package/
    |- snippets/
      |- additional_info.html

額外欄位內容顯示如下

{# customized metadata of the dataset #}

<section class="additional-info">
  <h3>{{ _('Additional Info') }}</h3>
  <table class="table table-striped table-bordered table-condensed">
    <thead>
      <tr>
        <th scope="col">{{ _('Field') }}</th>
        <th scope="col">{{ _('Value') }}</th>
      </tr>
    </thead>
    <tbody>

        {% if pkg_dict.em_notes or pkg_dict.cd_notes %}
          <tr>
            <th scope="row" class="dataset-label">{{ h.getLangLabel("Metadata","欄位資訊") }}</th>
            {% if h.lang() == "en" %}
        <td class="dataset-details">{{ _(pkg_dict.em_notes) }}</td>
           {% elif h.lang() == "zh_TW" %}
        <td class="dataset-details">{{ _(pkg_dict.cm_notes) }}</td>
        {% endif %}
          </tr>
        {% endif %}

        {% if pkg_dict.url %}
          <tr>
            <th scope="row" class="dataset-label">{{ _('Source') }}</th>
            {% if h.is_url(pkg_dict.url) %}
              <td class="dataset-details" property="foaf:homepage">{{ h.link_to(pkg_dict.url, pkg_dict.url, rel='foaf:homepage', target='_blank') }}</td>
            {% else %}
              <td class="dataset-details" property="foaf:homepage">{{ pkg_dict.url }}</td>
            {% endif %}
          </tr>
        {% endif %}

        {% if pkg_dict.data_type %}
          <tr>
            <th scope="row" class="dataset-label">{{ h.getLangLabel("Data Type","資料集類型") }}</th>
            {% if pkg_dict.data_type == 'primitive' %}
              <td class="dataset-details">{{ h.getLangLabel("Primitive","原始資料") }}</td>
            {% elif pkg_dict.data_type == 'interfacing' %}
              <td class="dataset-details">{{ h.getLangLabel("Interfacing","系統介接程式") }}</td>
            {% elif pkg_dict.data_type == 'mobile' %}
              <td class="dataset-details">{{ h.getLangLabel("Mobile","行動化應用軟體") }}</td>
            {% else %}
              <td class="dataset-details">{{ h.getLangLabel("Other","其他") }}</td>
            {% endif %}
          </tr>
        {% endif %}

        {% if pkg_dict.fee %}
          <tr>
            <th scope="row" class="dataset-label">{{ h.getLangLabel("Fee","計費方式") }}</th>
            {% if pkg_dict.fee == 'free' %}
              <td class="dataset-details">{{ h.getLangLabel("Free","免費") }}</td>
            {% else %}
              <td class="dataset-details">{{ h.getLangLabel("Toll","計費") }}</td>
            {% endif %}
          </tr>
        {% endif %}

        {% if pkg_dict.version %}
          <tr>
            <th scope="row" class="dataset-label">{{ _("Version") }}</th>
            <td class="dataset-details">{{ pkg_dict.version }}</td>
          </tr>
        {% endif %}

        {% if pkg_dict.author_email %}
          <tr>
            <th scope="row" class="dataset-label">{{ h.getLangLabel("Contact","聯絡人") }}</th>
            <td class="dataset-details" property="dc:creator">{{ h.mail_to(email_address=pkg_dict.author_email, name=h.getLangLabel(pkg_dict.ea_author, pkg_dict.author)) }}</td>
          </tr>
        {% elif pkg_dict.author %}
          <tr>
            <th scope="row" class="dataset-label">{{ h.getLangLabel("Contact","聯絡人") }}</th>
            <td class="dataset-details" property="dc:creator">{{ h.getLangLabel(pkg_dict.ea_author, pkg_dict.author) }}</td>
          </tr>
        {% endif %}

        {% if pkg_dict.author_email %}
      <tr>
            <th scope="row" class="dataset-label">{{ h.getLangLabel("Contact Email","聯絡人電子郵件") }}</th>
            <td class="dataset-details" property="dc:creator">{{ h.mail_to(email_address=pkg_dict.author_email, name=pkg_dict.author_email) }}</td>
          </tr>
        {% endif %}

        {% if pkg_dict.author_phone %}
          <tr>
            <th scope="row" class="dataset-label">{{ h.getLangLabel("Contact Phone","聯絡人電話") }}</th>
            <td class="dataset-details" property="dc:creator">{{ h.getLangLabel("+886-" + pkg_dict.author_phone, pkg_dict.author_phone) }}</td>
          </tr>
        {% endif %}

        {% if pkg_dict.updated_freq %}
          <tr>
            <th scope="row" class="dataset-label">{{ h.getLangLabel("Updated Frequency","更新頻率") }}</th>
            {% if pkg_dict.updated_freq == 'year' %}
              <td class="dataset-details">{{ h.getLangLabel("Year","年") }}</td>
            {% elif pkg_dict.updated_freq == 'month' %}
              <td class="dataset-details">{{ h.getLangLabel("Month","月") }}</td>
            {% elif pkg_dict.updated_freq == 'day' %}
              <td class="dataset-details">{{ h.getLangLabel("Day","日") }}</td>
            {% elif pkg_dict.updated_freq == 'once' %}
              <td class="dataset-details">{{ h.getLangLabel("Once","一次性") }}</td>
            {% else %}
              <td class="dataset-details">{{ h.getLangLabel("Non-scheduled","不定期") }}</td>
            {% endif %}
          </tr>
        {% endif %}

        {% if pkg_dict.data_lang %}
          <tr>
            <th scope="row" class="dataset-label">{{ h.getLangLabel("Dataset Language","資料集語言") }}</th>
            {% if pkg_dict.data_lang == 'chinese' %}
              <td class="dataset-details">{{ h.getLangLabel("Only Chinese","僅中文") }}</td>
            {% elif pkg_dict.data_lang == 'english' %}
              <td class="dataset-details">{{ h.getLangLabel("Only English","僅英文") }}</td>
            {% else %}
              <td class="dataset-details">{{ h.getLangLabel("Both Chinese and English","中英文") }}</td>
            {% endif %}
          </tr>
        {% endif %}

        {% if h.check_access('package_update',{'id':pkg_dict.id}) %}
          <tr>
            <th scope="row" class="dataset-label">{{ _("State") }}</th>
            <td class="dataset-details">{{ _(pkg_dict.state) }}</td>
          </tr>
        {% endif %}
        {% if pkg_dict.metadata_modified %}
          <tr>
            <th scope="row" class="dataset-label">{{ _("Last Updated") }}</th>
            <td class="dataset-details">
                {% snippet 'snippets/local_friendly_datetime.html', datetime_obj=pkg_dict.metadata_modified %}
            </td>
          </tr>
        {% endif %}

        {% if pkg_dict.metadata_created %}
          <tr>
            <th scope="row" class="dataset-label">{{ _("Created") }}</th>

            <td class="dataset-details">
                {% snippet 'snippets/local_friendly_datetime.html', datetime_obj=pkg_dict.metadata_created %}
            </td>
          </tr>
        {% endif %}

      {% block extras scoped %}
        {% for extra in h.sorted_extras(pkg_dict.extras) %}
          {% set key, value = extra %}
          <tr rel="dc:relation" resource="_:extra{{ i }}">
            <th scope="row" class="dataset-label" property="rdfs:label">{{ _(key) }}</th>
            <td class="dataset-details" property="rdf:value">{{ value }}</td>
          </tr>
        {% endfor %}
      {% endblock %}

    </tbody>
  </table>
</section>

# 修改位置如下
/usr/lib/ckan/default/src/ckan/ckan/templates/
  |- snippets/package_item.html

內容如下

{# customized : modify titles on dataset list under page dataset/ #}
{# {% set title = package.title or package.name %} #}
{% set title = h.markdown_extract(h.getLangLabel(package.e_title, package.c_title), extract_length=80) %}

{# customized : modify descriptions on dataset list under page dataset/ #}
{% set notes = h.markdown_extract(h.getLangLabel(package.ed_notes, package.cd_notes), extract_length=100) %}

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