app:
  description: ''
  icon: 🤖
  icon_background: '#FFEAD5'
  mode: workflow
  name: File_read
  use_icon_as_answer_icon: false
kind: app
version: 0.1.4
workflow:
  conversation_variables: []
  environment_variables: []
  features:
    file_upload:
      allowed_file_extensions:
      - .JPG
      - .JPEG
      - .PNG
      - .GIF
      - .WEBP
      - .SVG
      allowed_file_types:
      - image
      allowed_file_upload_methods:
      - local_file
      - remote_url
      enabled: false
      fileUploadConfig:
        audio_file_size_limit: 50
        batch_count_limit: 5
        file_size_limit: 15
        image_file_size_limit: 10
        video_file_size_limit: 100
        workflow_file_upload_limit: 10
      image:
        enabled: false
        number_limits: 3
        transfer_methods:
        - local_file
        - remote_url
      number_limits: 3
    opening_statement: ''
    retriever_resource:
      enabled: true
    sensitive_word_avoidance:
      enabled: false
    speech_to_text:
      enabled: false
    suggested_questions: []
    suggested_questions_after_answer:
      enabled: false
    text_to_speech:
      enabled: false
      language: ''
      voice: ''
  graph:
    edges:
    - data:
        isInIteration: false
        sourceType: start
        targetType: code
      id: 1733304372042-source-1733304400929-target
      source: '1733304372042'
      sourceHandle: source
      target: '1733304400929'
      targetHandle: target
      type: custom
      zIndex: 0
    - data:
        isInIteration: false
        sourceType: code
        targetType: code
      id: 1733304400929-source-1733308511344-target
      source: '1733304400929'
      sourceHandle: source
      target: '1733308511344'
      targetHandle: target
      type: custom
      zIndex: 0
    - data:
        isInIteration: false
        sourceType: code
        targetType: end
      id: 1733308511344-source-1733304425429-target
      source: '1733308511344'
      sourceHandle: source
      target: '1733304425429'
      targetHandle: target
      type: custom
      zIndex: 0
    nodes:
    - data:
        desc: ''
        selected: false
        title: 开始
        type: start
        variables:
        - allowed_file_extensions: []
          allowed_file_types:
          - document
          - image
          - audio
          - video
          allowed_file_upload_methods:
          - local_file
          - remote_url
          label: File
          max_length: 48
          options: []
          required: true
          type: file
          variable: File
      height: 90
      id: '1733304372042'
      position:
        x: 30
        y: 245
      positionAbsolute:
        x: 30
        y: 245
      selected: false
      sourcePosition: right
      targetPosition: left
      type: custom
      width: 244
    - data:
        code: "import os\nimport time\nfrom datetime import datetime, timedelta\n\n\
          def main(filesize):\n    # 存储符合条件的文件列表\n    matched_files = []\n    \n \
          \   # 获取当前时间\n    current_time = time.time()\n    \n    # 检查 upload_files\
          \ 文件夹\n    upload_dir = '/upload_files'\n    \n    # 确保文件夹存在\n    if not\
          \ os.path.exists(upload_dir):\n        return  {\"file_path\":\"None\"}\n\
          \    \n    # 递归遍历文件夹中的所有文件\n    for root, dirs, files in os.walk(upload_dir):\n\
          \        for filename in files:  # 只处理文件，忽略文件夹\n            file_path =\
          \ os.path.join(root, filename)\n            \n            # 获取文件状态信息\n \
          \           file_stat = os.stat(file_path)\n            \n            #\
          \ 获取文件修改时间\n            file_mtime = file_stat.st_mtime\n            \n\
          \            # 计算文件时间差（分钟）\n            time_diff = (current_time - file_mtime)\
          \ / 60\n            \n            # 检查文件大小和修改时间是否符合条件\n            if  file_stat.st_size\
          \ == filesize:\n                matched_files.append((file_path, file_mtime))\n\
          \n    if matched_files:\n        # 按修改时间排序，取最新的文件\n        newest_file =\
          \ max(matched_files, key=lambda x: x[1])\n        return {\"file_path\"\
          :str(newest_file[0])}\n    else:\n        return {\"file_path\":\"None\"\
          }\n"
        code_language: python3
        desc: ''
        outputs:
          file_path:
            children: null
            type: string
        selected: false
        title: 获取文件路径
        type: code
        variables:
        - value_selector:
          - '1733304372042'
          - File
          - size
          variable: filesize
      height: 54
      id: '1733304400929'
      position:
        x: 334
        y: 245
      positionAbsolute:
        x: 334
        y: 245
      selected: false
      sourcePosition: right
      targetPosition: left
      type: custom
      width: 244
    - data:
        desc: ''
        outputs:
        - value_selector:
          - '1733308511344'
          - result
          variable: output
        selected: false
        title: 结束
        type: end
      height: 90
      id: '1733304425429'
      position:
        x: 942
        y: 245
      positionAbsolute:
        x: 942
        y: 245
      selected: false
      sourcePosition: right
      targetPosition: left
      type: custom
      width: 244
    - data:
        code: "import pandas as pd\nfile_path = '{{file_path}}'\ndef main(file_path):\n\
          \    try:\n        # 读取CSV文件\n        df = pd.read_csv(file_path)\n    \
          \    \n        # 获取前5行数据作为样本\n        sample_df = df.head()\n        \n\
          \        # 生成markdown表格\n        markdown = \"### 数据样本预览\\n\\n\"\n     \
          \   \n        # 添加表头\n        headers = \"|\" + \"|\".join(str(col) for\
          \ col in sample_df.columns) + \"|\"\n        separator = \"|\" + \"|\".join([\"\
          ---\" for _ in sample_df.columns]) + \"|\"\n        \n        markdown +=\
          \ headers + \"\\n\" + separator + \"\\n\"\n        \n        # 添加数据行\n \
          \       for _, row in sample_df.iterrows():\n            markdown += \"\
          |\" + \"|\".join(str(val) for val in row.values) + \"|\\n\"\n          \
          \  \n        # 添加数据集信息\n        markdown += f\"\\n### 数据集信息\\n\"\n     \
          \   markdown += f\"- 总行数: {len(df)}\\n\"\n        markdown += f\"- 总列数:\
          \ {len(df.columns)}\\n\"\n        markdown += f\"- 列名: {', '.join(df.columns.tolist())}\\\
          n\"\n        \n        return {\"result\": markdown}\n        \n    except\
          \ Exception as e:\n        return {\"result\": f\"错误: {str(e)}\"}"
        code_language: python3
        desc: ''
        outputs:
          result:
            children: null
            type: string
        selected: false
        title: 读取csv
        type: code
        variables:
        - value_selector:
          - '1733304400929'
          - file_path
          variable: file_path
      height: 54
      id: '1733308511344'
      position:
        x: 638
        y: 245
      positionAbsolute:
        x: 638
        y: 245
      selected: true
      sourcePosition: right
      targetPosition: left
      type: custom
      width: 244
    viewport:
      x: 91.70000000000005
      y: -8.5
      zoom: 0.7