curl_cffi
Python binding for curl-impersonate via cffi.
Documentation | 中文 README | Discuss on Telegram
Unlike other pure python http clients like httpx or requests, curl_cffi can
impersonate browsers' TLS signatures or JA3 fingerprints. If you are blocked by some
website for no obvious reason, you can give this package a try.
Features
- Supports JA3/TLS and http2 fingerprints impersonation.
- Much faster than requests/httpx, on par with aiohttp/pycurl, see benchmarks.
- Mimics requests API, no need to learn another one.
- Pre-compiled, so you don't have to compile on your machine.
- Supports
asynciowith proxy rotation on each request. - Supports http 2.0, which requests does not.
- Supports websocket.
| library | requests | aiohttp | httpx | pycurl | curl_cffi |
|---|---|---|---|---|---|
| http2 | ❌ | ❌ | ✅ | ✅ | ✅ |
| sync | ✅ | ❌ | ✅ | ✅ | ✅ |
| async | ❌ | ✅ | ✅ | ❌ | ✅ |
| websocket | ❌ | ✅ | ❌ | ❌ | ✅ |
| fingerprints | ❌ | ❌ | ❌ | ❌ | ✅ |
| speed | 🐇 | 🐇🐇 | 🐇 | 🐇🐇 | 🐇🐇 |
Install
pip install curl_cffi --upgrade
This should work on Linux, macOS and Windows out of the box.
If it does not work on you platform, you may need to compile and install curl-impersonate
first and set some environment variables like LD_LIBRARY_PATH.
To install beta releases:
pip install curl_cffi --upgrade --pre
To install unstable version from GitHub:
git clone https://github.com/yifeikong/curl_cffi/
cd curl_cffi
make preprocess
pip install .
Usage
Use the latest impersonate versions, do NOT copy chrome110 here without changing.
requests-like
from curl_cffi import requests
# Notice the impersonate parameter
r = requests.get("https://tls.browserleaks.com/json", impersonate="chrome110")
print(r.json())
# output: {..., "ja3n_hash": "aa56c057ad164ec4fdcb7a5a283be9fc", ...}
# the js3n fingerprint should be the same as target browser
# http/socks proxies are supported
proxies = {"https": "http://localhost:3128"}
r = requests.get("https://tls.browserleaks.com/json", impersonate="chrome110", proxies=proxies)
proxies = {"https": "socks://localhost:3128"}
r = requests.get("https://tls.browserleaks.com/json", impersonate="chrome110", proxies=proxies)
Sessions
# sessions are supported
s = requests.Session()
# httpbin is a http test website
s.get("https://httpbin.org/cookies/set/foo/bar")
print(s.cookies)
# <Cookies[<Cookie foo=bar for httpbin.org />]>
r = s.get("https://httpbin.org/cookies")
print(r.json())
# {'cookies': {'foo': 'bar'}}
Supported impersonate versions, as supported by my fork of curl-impersonate:
However, only Chrome-like browsers are supported. Firefox support is tracked in #59.
- chrome99
- chrome100
- chrome101
- chrome104
- chrome107
- chrome110
- chrome116 [1]
- chrome119 [1]
- chrome120 [1]
- chrome99_android
- edge99
- edge101
- safari15_3 [2]
- safari15_5 [2]
- safari17_0 [1]
- safari17_2_ios [1]
Notes:
- Added in version
0.6.0. - fixed in version
0.6.0, previous http2 fingerprints were not correct.
asyncio
from curl_cffi.requests import AsyncSession
async with AsyncSession() as s:
r = await s.get("https://example.com")
More concurrency:
import asyncio
from curl_cffi.requests import AsyncSession
urls = [
"https://google.com/",
"https://facebook.com/",
"https://twitter.com/",
]
async with AsyncSession() as s:
tasks = []
for url in urls:
task = s.get(url)
tasks.append(task)
results = await asyncio.gather(*tasks)
WebSockets
from curl_cffi.requests import Session, WebSocket
def on_message(ws: WebSocket, message):
print(message)
with Session() as s:
ws = s.ws_connect(
"wss://api.gemini.com/v1/marketdata/BTCUSD",
on_message=on_message,
)
ws.run_forever()
curl-like
Alternatively, you can use the low-level curl-like API:
from curl_cffi import Curl, CurlOpt
from io import BytesIO
buffer = BytesIO()
c = Curl()
c.setopt(CurlOpt.URL, b'https://tls.browserleaks.com/json')
c.setopt(CurlOpt.WRITEDATA, buffer)
c.impersonate("chrome110")
c.perform()
c.close()
body = buffer.getvalue()
print(body.decode())
See the docs for more details.
scrapy
If you are using scrapy, check out these middlewares:
Acknowledgement
- Originally forked from multippt/python_curl_cffi, which is under the MIT license.
- Headers/Cookies files are copied from httpx, which is under the BSD license.
- Asyncio support is inspired by Tornado's curl http client.
- The WebSocket API is inspired by websocket_client.
[Sponsor] Bypass Cloudflare with API
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[Sponsor] ScrapeNinja
ScrapeNinja is a web scraping API with two engines: fast, with high performance and TLS fingerprint; and slower with a real browser under the hood.
ScrapeNinja handles headless browsers, proxies, timeouts, retries, and helps with data extraction, so you can just get the data in JSON. Rotating proxies are available out of the box on all subscription plans.
Sponsor
1 maintainer
Metadata
1 maintainer
Release files for curl-cffi 0.6.2
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| curl_cffi-0.6.2.tar.gz | 122.3 kB | Details |
Built distributions (wheels)
| File | Reset | |||
|---|---|---|---|---|
| curl_cffi-0.6.2-cp38-abi3-win_amd64.whl | CPython 3.8 | abi3 | Windows x86-64 | Details |
| curl_cffi-0.6.2-cp38-abi3-win32.whl | CPython 3.8 | abi3 | Windows x86-32 | Details |
| curl_cffi-0.6.2-cp38-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl | CPython 3.8 | abi3 | Linux glibc 2.17+ x86-64 | Details |
| curl_cffi-0.6.2-cp38-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl | CPython 3.8 | abi3 | Linux glibc 2.17+ ARM64 | Details |
| curl_cffi-0.6.2-cp38-abi3-macosx_11_0_arm64.whl | CPython 3.8 | abi3 | macOS 11.0+ ARM64 | Details |
| curl_cffi-0.6.2-cp38-abi3-macosx_10_9_x86_64.whl | CPython 3.8 | abi3 | macOS 10.9+ x86-64 | Details |
Total release size: 22.9 MB
Release files / curl_cffi-0.6.2.tar.gz
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| Uploaded via |
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|
Release files / curl_cffi-0.6.2-cp38-abi3-win_amd64.whl
| Download URL | curl_cffi-0.6.2-cp38-abi3-win_amd64.whl |
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Release files / curl_cffi-0.6.2-cp38-abi3-win32.whl
| Download URL | curl_cffi-0.6.2-cp38-abi3-win32.whl |
|---|---|
| Size | 2.3 MB |
| Tags | CPython 3.8 Windows x86-32 abi3 |
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| Uploaded via |
twine/5.0.0 CPython/3.9.18
|
Release files / curl_cffi-0.6.2-cp38-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
| Download URL | curl_cffi-0.6.2-cp38-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl |
|---|---|
| Size | 5.7 MB |
| Tags | CPython 3.8 Linux glibc 2.17+ x86-64 abi3 |
|
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Release files / curl_cffi-0.6.2-cp38-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl
| Download URL | curl_cffi-0.6.2-cp38-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl |
|---|---|
| Size | 5.6 MB |
| Tags | CPython 3.8 Linux glibc 2.17+ ARM64 abi3 |
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| Uploaded via |
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Release files / curl_cffi-0.6.2-cp38-abi3-macosx_11_0_arm64.whl
| Download URL | curl_cffi-0.6.2-cp38-abi3-macosx_11_0_arm64.whl |
|---|---|
| Size | 2.2 MB |
| Tags | CPython 3.8 abi3 macOS 11.0+ ARM64 |
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Release files / curl_cffi-0.6.2-cp38-abi3-macosx_10_9_x86_64.whl
| Download URL | curl_cffi-0.6.2-cp38-abi3-macosx_10_9_x86_64.whl |
|---|---|
| Size | 4.7 MB |
| Tags | CPython 3.8 abi3 macOS 10.9+ x86-64 |
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