perse converts HTML content into structured JSON data
Project description
Perse
Perse converts HTML to JSON using a mix of traditional html parsing and LLM based data extraction.
Features
It's core features includes:
- Identify important fields to extract from html
- Building a JSON schemas that handles nested fields
- Process html tokens and fill the JSON schema object
You can install Perse using pip:
pip install zf-perse
export PERSE_OPENAI_API_KEY="your-openai-api-key"
And run it from CLI:
perse --url https://google.com
Optimizations
It performs a few optimizations after fetching the html while preventing any accidental removal of important data.
These optimizations includes:
- Removal of styling, scripting and svg tags
- Collapsing Tags (e.g. divs) with only one child
Comparison
There are a few other libraries but none of them provide a solution for reliable data extraction from html.
HTML to JSON
html2json library is a simple html to json converter that doesn't handle nested fields, nor does it remove unnecessary tags.
When ran on exactly the same html, Perse provides a more structured and cleaner output and at least 50% less verbose output.
| HTML to JSON | Perse |
|---|---|
|
|
HTML to Markdown
Reader-LM is a language model that converts html to markdown. It doesn't provide a json output catering only to the reader mode which is not suitabel for data extraction, analysis and automations.
Usage
Process HTML content and get a Dictionary
html_content = "<html>...</html>"
json_dict = perse(html_content)
print(json_dict)
Process HTML content and get a JSON string
html_content = "<html>...</html>"
json_string = perses(html_content)
print(json_string)
Exclude specific tags from the JSON output
html_content = "<html>...</html>"
json_dict = perse(html_content, exclude_tags={"script", "style"})
print(json_dict)
Clean up the HTML content for side usage
html_content = "<html>...</html>"
clean_soup = simmer(html_content) # or use simmers for a string output
print(clean_soup.prettify())
Examples
Google's Homepage
$ perse --url https://google.com
{
"image": "/images/branding/googleg/1x/googleg_standard_color_128dp.png",
"title": "Google",
"search_form": {
"action": "/search",
"method": "GET",
"autocomplete": "off",
"query": "",
"buttons": [
{
"button_1": {
"label": "Google Search",
"value": "Google Search"
},
"button_2": {
"label": "I'm Feeling Lucky",
"value": "I'm Feeling Lucky"
}
}
]
}
}
Zeff Muks's Homepage
$ perse --url https://zeffmuks.com
{
"title": "Zeff Muks",
"description": "Antifragile Entropy Assassin \ud83e\udd77",
"og_data": {
"type": "website",
"title": "Zeff Muks",
"description": "Antifragile Entropy Assassin \ud83e\udd77",
"url": "https://zeffmuks.com/",
"image": "https://www.zeffmuks.com/images/ZeffMuks-1920.png",
"site_name": "Zeff Muks"
},
"twitter_data": {
"card": "summary_large_image",
"site": "@zeffmuks",
"title": "Zeff Muks",
"description": "Antifragile Entropy Assassin \ud83e\udd77",
"image": "https://www.zeffmuks.com/images/ZeffMuks-1920.png"
},
"user_section": {
"header": {
"profile_image_url": "/images/ZeffMuks-6912.png",
"title": "Antifragile Entropy Assassin \ud83e\udd77",
"signature": ""
},
"builds": [
{
"date": "08/30/2024",
"name": "Cursor Git",
"description": "Enhanced Git for Cursor AI Editor",
"download_link": "https://zf-static.s3.us-west-1.amazonaws.com/cursor-git-0.1.12.vsix",
"preview_image": "https://zf-static.s3.us-west-1.amazonaws.com/cursor-git-logo128.png",
"alternative_link": ""
},
{
"date": "08/18/2024",
"name": "PyZF",
"description": "Enhancements for Python",
"download_link": "https://pypi.org/project/PyZF",
"preview_image": "https://zf-static.s3.us-west-1.amazonaws.com/pyzf-logo128.png",
"alternative_link": ""
},
{
"date": "08/05/2024",
"name": "Xanthus",
"description": "X (formerly Twitter) Assistant",
"download_link": "https://pypi.org/project/zf-xanthus",
"preview_image": "https://zf-static.s3.us-west-1.amazonaws.com/xanthus-logo128.png",
"alternative_link": ""
},
{
"date": "07/24/2024",
"name": "Jenga",
"description": "Fast JSON5 Python Library",
"download_link": "https://pypi.org/project/zf-jenga",
"preview_image": "",
"alternative_link": ""
},
{
"date": "07/12/2024",
"name": "Pegasus",
"description": "Next Generation Tech Stack",
"download_link": "https://zf-static.s3.us-west-1.amazonaws.com/pegasus.zip",
"preview_image": "https://zf-static.s3.us-west-1.amazonaws.com/pegasus-logo128.png",
"alternative_link": ""
},
...
{
"date": "11/01/2023",
"name": "Z",
"description": "Next Generation Content Platform",
"download_link": "https://x.com/zeffmuks/status/1718507463321010429",
"preview_image": "https://zf-static.s3.us-west-1.amazonaws.com/z-logo128.png",
"alternative_link": "https://alpha.thez.ai/try"
}
]
}
}
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