# Documentation
- Class name: LLMHTMLTagReader
- Category: SALT/Language Toolkit/Readers
- Output node: False
LLMHTMLTagReader节点旨在从指定文件中读取并解析HTML标签,将其转化为结构化的文档格式。它利用BeautifulSoup来解析HTML内容,重点关注特定的标签和属性以提取相关信息,同时通过可选参数允许自定义处理过程。
# Input types
## Required
- path
- 指定要读取的HTML文件的文件路径。这是一个关键参数,因为它决定了要处理的HTML内容的来源。
- Comfy dtype: STRING
- Python dtype: str
## Optional
- tag
- 定义在解析过程中要重点关注的特定HTML标签。这允许从HTML文件中有针对性地提取信息。
- Comfy dtype: STRING
- Python dtype: str
- ignore_no_id
- 一个布尔标志,设置后会指示阅读器忽略没有ID属性的HTML元素。这对于过滤掉不必要的元素很有用。
- Comfy dtype: COMBO[BOOLEAN]
- Python dtype: bool
- extra_info
- 允许以字符串形式包含额外的自定义信息,可用于进一步自定义解析行为。
- Comfy dtype: STRING
- Python dtype: str
# Output types
- documents
- 结构化文档格式的输出,代表了经过解析和解释的HTML内容。
- Comfy dtype: DOCUMENT
- Python dtype: tuple
## Usage tips
- Infra type: `CPU`
- Common nodes: unknown
## Source code
```python
class LLMHTMLTagReader(HTMLTagReader):
"""
@NOTE: Reads HTML tags into a llama_index Document
@Source: https://github.com/run-llama/llama_index/blob/main/llama-index-integrations/readers/llama-index-readers-file/llama_index/readers/file/html/base.py
@Documentation: https://docs.llamaindex.ai/en/latest/api_reference/readers/file/#llama_index.readers.file.HTMLTagReader
@Imports: from bs4 import BeautifulSoup
"""
def __init__(self):
super().__init__()
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"path": ("STRING", {"default": ""}),
},
"optional": {
"tag": ("STRING", {"default":"section"}),
"ignore_no_id": ([False, True],),
"extra_info": ("STRING", {"multiline": True, "dynamicPrompts": False, "default": "{}"}),
}
}
RETURN_TYPES = ("DOCUMENT", )
RETURN_NAMES = ("documents",)
FUNCTION = "execute"
CATEGORY = f"{MENU_NAME}/{SUB_MENU_NAME}/Readers"
def execute(self, path:str, tag:str="section", ignore_no_id:bool=False, extra_info:str="{}"):
get_full_path(1, path)
if not os.path.exists(path):
raise FileNotFoundError(f"No file available at: {path}")
path = Path(path)
self._tag = tag
self._ignore_no_id = ignore_no_id
extra_info = read_extra_info(extra_info)
data = self.load_data(path, extra_info)
return (data, )
```