Python bindings around rust-scraper/scraper with PyO3
Project description
scraper-rs
Python bindings for the Rust scraper crate via PyO3. It gives you a lightweight Document/Element API with CSS selectors, XPath (via sxd_html/sxd_xpath), handy helpers, and zero Python-side parsing work.
Quick start
from scraper_rs import Document, first, select, select_first, xpath
html = """
<html><body>
<div class="item" data-id="1"><a href="/a">First</a></div>
<div class="item" data-id="2"><a href="/b">Second</a></div>
</body></html>
"""
doc = Document(html)
print(doc.text) # "First Second"
items = doc.select(".item")
print(items[0].attr("data-id")) # "1"
print(items[0].to_dict()) # {"tag": "div", "text": "First", "html": "<a...>", ...}
first_link = doc.select_first("a[href]") # alias: doc.find(...)
print(first_link.text, first_link.attr("href")) # First / /a
links_within_first = first_link.select("a[href]")
print([link.attr("href") for link in links_within_first]) # ["/a"]
# XPath (element results only)
xpath_items = doc.xpath("//div[@class='item']/a")
print([link.text for link in xpath_items]) # ["First", "Second"]
print(doc.xpath_first("//div[@data-id='1']/a").attr("href")) # "/a"
# Functional helpers
links = select(html, "a[href]")
print([link.attr("href") for link in links]) # ["/a", "/b"]
print(first(html, "a[href]").text) # First
print(select_first(html, "a[href]").text) # First
print([link.text for link in xpath(html, "//div[@class='item']/a")]) # ["First", "Second"]
For a runnable sample, see examples/demo.py.
API highlights
Document(html: str)/Document.from_html(html)parses once and keeps the DOM..select(css)→list[Element],.select_first(css)/.find(css)→ firstElement | None,.css(css)is an alias..xpath(expr)/.xpath_first(expr)evaluate XPath expressions that return element nodes..textreturns normalized text;.htmlreturns the original input.Elementexposes.tag,.text,.html,.attrsplus helpers.attr(name),.get(name, default),.to_dict().- Elements support nested CSS and XPath selection via
.select(css),.select_first(css),.find(css),.css(css),.xpath(expr),.xpath_first(expr). - Top-level helpers mirror the class methods:
parse(html),select(html, css),select_first(html, css)/first(html, css),xpath(html, expr),xpath_first(html, expr). - Call
doc.close()(orwith Document(html) as doc: ...) to free parsed DOM resources when you're done.
Installation
Built wheels target abi3 (CPython 3.10+). To build locally:
# Install maturin (uv is used in this repo, but pip works too)
pip install maturin
# Build a wheel
maturin build --release --compatibility linux
# Install the generated wheel
pip install target/wheels/scraper_rs-*.whl
If you have just installed, the repo includes helpers: just build (local wheel), just install-wheel (install the built wheel), and just build_manylinux (via the official maturin Docker image).
Development
Requirements: Rust toolchain, Python 3.10+, maturin, and pytest for tests.
- Run tests:
just testoruv run pytest tests/test_scraper.py - Format/typing: Rust and Python are small; no formatters are enforced yet.
- The PyO3 module name is
scraper_rs; the Rust crate is built ascdylib.
Contributions and issues are welcome. If you add public API, please extend tests/test_scraper.py and the example script accordingly.
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