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참고/firecrawl-main/apps/python-sdk/README.md
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# Firecrawl Python SDK
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The Firecrawl Python SDK is a library that allows you to easily search, scrape, and interact with the web, and output the data in a format ready for use with language models (LLMs). It provides a simple and intuitive interface for the Firecrawl API.
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## Installation
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To install the Firecrawl Python SDK, you can use pip:
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```bash
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pip install firecrawl-py
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```
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## Usage
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1. Get an API key from [firecrawl.dev](https://firecrawl.dev)
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2. Set the API key as an environment variable named `FIRECRAWL_API_KEY` or pass it as a parameter to the `Firecrawl` class.
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Here's an example of how to use the SDK:
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```python
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from firecrawl import Firecrawl
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from firecrawl.types import ScrapeOptions
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firecrawl = Firecrawl(api_key="fc-YOUR_API_KEY")
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# Scrape a website (v2):
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data = firecrawl.scrape(
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'https://firecrawl.dev',
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formats=['markdown', 'html']
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)
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print(data)
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# Crawl a website (v2 waiter):
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crawl_status = firecrawl.crawl(
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'https://firecrawl.dev',
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limit=100,
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scrape_options=ScrapeOptions(formats=['markdown', 'html'])
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)
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print(crawl_status)
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```
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### Scraping a URL
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To scrape a single URL, use the `scrape` method. It takes the URL as a parameter and returns a document with the requested formats.
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```python
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# Scrape a website (v2):
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scrape_result = firecrawl.scrape('https://firecrawl.dev', formats=['markdown', 'html'])
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print(scrape_result)
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```
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### Parsing uploaded files
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Use `parse` to upload local bytes/files (`html`, `pdf`, `docx`, etc.) as multipart form data and return the parsed document.
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`parse` does not support change tracking or browser-only options (actions, wait_for, location, mobile, screenshot, branding).
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```python
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from firecrawl import Firecrawl
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from firecrawl.v2.types import ParseOptions
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firecrawl = Firecrawl(api_key="fc-YOUR_API_KEY")
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doc = firecrawl.parse(
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b"<!DOCTYPE html><html><body><h1>Python Parse</h1></body></html>",
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filename="upload.html",
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content_type="text/html",
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options=ParseOptions(formats=["markdown"]),
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)
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print(doc.markdown)
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```
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### Crawling a Website
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To crawl a website, use the `crawl` method. It takes the starting URL and optional parameters as arguments. You can control depth, limits, formats, and more.
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```python
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crawl_status = firecrawl.crawl(
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'https://firecrawl.dev',
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limit=100,
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scrape_options=ScrapeOptions(formats=['markdown', 'html']),
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poll_interval=30
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)
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print(crawl_status)
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```
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### Asynchronous Crawling
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<Tip>Looking for async operations? Check out the [Async Class](#async-class) section below.</Tip>
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To enqueue a crawl asynchronously, use `start_crawl`. It returns the crawl `ID` which you can use to check the status of the crawl job.
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```python
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crawl_job = firecrawl.start_crawl(
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'https://firecrawl.dev',
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limit=100,
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scrape_options=ScrapeOptions(formats=['markdown', 'html']),
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)
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print(crawl_job)
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```
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### Checking Crawl Status
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To check the status of a crawl job, use the `get_crawl_status` method. It takes the job ID as a parameter and returns the current status of the crawl job.
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```python
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crawl_status = firecrawl.get_crawl_status("<crawl_id>")
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print(crawl_status)
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```
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### Manual Pagination (v2)
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Crawl and batch scrape status responses may include a `next` URL when more data is available. The SDK auto-paginates by default; to page manually, disable auto-pagination and pass the opaque `next` URL back to the SDK.
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```python
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from firecrawl.v2.types import PaginationConfig
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# Crawl: fetch one page at a time
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crawl_job = firecrawl.start_crawl("https://firecrawl.dev", limit=100)
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status = firecrawl.get_crawl_status(
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crawl_job.id,
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pagination_config=PaginationConfig(auto_paginate=False),
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)
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if status.next:
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page2 = firecrawl.get_crawl_status_page(status.next)
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# Batch scrape: fetch one page at a time
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batch_job = firecrawl.start_batch_scrape(["https://firecrawl.dev"])
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status = firecrawl.get_batch_scrape_status(
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batch_job.id,
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pagination_config=PaginationConfig(auto_paginate=False),
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)
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if status.next:
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page2 = firecrawl.get_batch_scrape_status_page(status.next)
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```
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### Cancelling a Crawl
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To cancel an asynchronous crawl job, use the `cancel_crawl` method. It takes the job ID of the asynchronous crawl as a parameter and returns the cancellation status.
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```python
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cancel_crawl = firecrawl.cancel_crawl(id)
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print(cancel_crawl)
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```
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### Map a Website
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Use `map` to generate a list of URLs from a website. Options let you customize the mapping process, including whether to use the sitemap or include subdomains.
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```python
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# Map a website (v2):
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map_result = firecrawl.map('https://firecrawl.dev')
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print(map_result)
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```
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### Scrape-bound interactive browsing (v2)
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Use a scrape job ID to keep interacting with the replayed browser context:
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```python
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doc = firecrawl.scrape(
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"https://example.com",
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actions=[{"type": "click", "selector": "a[href='/pricing']"}],
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)
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scrape_job_id = doc.metadata_typed.scrape_id
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if not scrape_job_id:
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raise RuntimeError("Missing scrape job id")
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run = firecrawl.interact(
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scrape_job_id,
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code="print(await page.url())",
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language="python",
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timeout=60,
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)
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print(run.stdout)
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firecrawl.stop_interaction(scrape_job_id)
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```
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{/* ### Extracting Structured Data from Websites
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To extract structured data from websites, use the `extract` method. It takes the URLs to extract data from, a prompt, and a schema as arguments. The schema is a Pydantic model that defines the structure of the extracted data.
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<ExtractPythonShort /> */}
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### Crawling a Website with WebSockets
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To crawl a website with WebSockets, use the `crawl_url_and_watch` method. It takes the starting URL and optional parameters as arguments. The `params` argument allows you to specify additional options for the crawl job, such as the maximum number of pages to crawl, allowed domains, and the output format.
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```python
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# inside an async function...
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nest_asyncio.apply()
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# Define event handlers
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def on_document(detail):
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print("DOC", detail)
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def on_error(detail):
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print("ERR", detail['error'])
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def on_done(detail):
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print("DONE", detail['status'])
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# Function to start the crawl and watch process
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async def start_crawl_and_watch():
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# Initiate the crawl job and get the watcher
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watcher = app.crawl_url_and_watch('firecrawl.dev', exclude_paths=['blog/*'], limit=5)
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# Add event listeners
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watcher.add_event_listener("document", on_document)
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watcher.add_event_listener("error", on_error)
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watcher.add_event_listener("done", on_done)
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# Start the watcher
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await watcher.connect()
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# Run the event loop
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await start_crawl_and_watch()
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```
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## Error Handling
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The SDK handles errors returned by the Firecrawl API and raises appropriate exceptions. If an error occurs during a request, an exception will be raised with a descriptive error message.
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## Async Class
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For async operations, you can use the `AsyncFirecrawl` class. Its methods mirror the `Firecrawl` class, but you `await` them.
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```python
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from firecrawl import AsyncFirecrawl
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firecrawl = AsyncFirecrawl(api_key="YOUR_API_KEY")
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# Async Scrape (v2)
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async def example_scrape():
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scrape_result = await firecrawl.scrape(url="https://example.com")
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print(scrape_result)
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# Async Parse (v2)
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async def example_parse():
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parse_result = await firecrawl.parse(
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b"<!DOCTYPE html><html><body><h1>Async Parse</h1></body></html>",
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filename="upload.html",
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content_type="text/html",
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)
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print(parse_result)
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# Async Crawl (v2)
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async def example_crawl():
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crawl_result = await firecrawl.crawl(url="https://example.com")
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print(crawl_result)
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```
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## v1 compatibility
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For legacy code paths, v1 remains available under `firecrawl.v1` with the original method names.
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```python
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from firecrawl import Firecrawl
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firecrawl = Firecrawl(api_key="YOUR_API_KEY")
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# v1 methods (feature‑frozen)
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doc_v1 = firecrawl.v1.scrape_url('https://firecrawl.dev', formats=['markdown', 'html'])
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crawl_v1 = firecrawl.v1.crawl_url('https://firecrawl.dev', limit=100)
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map_v1 = firecrawl.v1.map_url('https://firecrawl.dev')
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```
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