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https://github.com/TkTech/can_ada
Python bindings for Ada, a fast and spec-compliant URL parser.
https://github.com/TkTech/can_ada
python url
Last synced: 30 days ago
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Python bindings for Ada, a fast and spec-compliant URL parser.
- Host: GitHub
- URL: https://github.com/TkTech/can_ada
- Owner: TkTech
- License: other
- Created: 2023-05-18T13:20:04.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2024-06-21T09:58:00.000Z (6 months ago)
- Last Synced: 2024-10-19T02:06:20.661Z (about 2 months ago)
- Topics: python, url
- Language: C++
- Homepage:
- Size: 2.16 MB
- Stars: 131
- Watchers: 2
- Forks: 2
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Awesome Lists containing this project
README
# can_ada
[Fast] Python bindings for [Ada][], a fast and WHATWG spec-compliant URL parser.
This is the URL parser used in projects like Node.js.
## Installation
```bash
pip install can_ada
```
Binary wheels are available for most platforms. If not available, a
C++17-or-greater compiler will be required to build the underlying Ada library.
## WHATWG URL compliance
Unlike the standard library's `urllib.parse` module, this library is compliant with the WHATWG URL specification.
```python
import can_ada
urlstring = "https://www.GOoglé.com/./path/../path2/"
url = can_ada.parse(urlstring)
# prints www.xn--googl-fsa.com, the correctly parsed domain name according
# to WHATWG
print(url.hostname)
# prints /path2/, which is the correctly parsed pathname according to WHATWG
print(url.pathname)
import urllib.parse
urlstring = "https://www.GOoglé.com/./path/../path2/"
url = urllib.parse.urlparse(urlstring)
# prints www.googlé.com
print(url.hostname)
# prints /./path/../path2/
print(url.path)
```
## Usage
Parsing is simple:
```python
from can_ada import parse
url = parse("https://tkte.ch/search?q=canada")
print(url.protocol) # https:
print(url.host) # tkte.ch
print(url.pathname) # /search
print(url.search) # ?q=canada
```
You can also modify URLs:
```python
from can_ada import parse
url = parse("https://tkte.ch/search?q=canada")
url.host = "google.com"
url.search = "?q=canada&safe=off"
print(url) # https://google.com/search?q=canada&safe=off
```
## Performance
We find that `can_ada` is typically ~4x faster than urllib:
```
---------------------------------------------------------------------------------
Name (time in ms) Min Max Mean
---------------------------------------------------------------------------------
test_can_ada_parse 54.1304 (1.0) 54.6734 (1.0) 54.3699 (1.0)
test_ada_python_parse 107.5653 (1.99) 108.1666 (1.98) 107.7817 (1.98)
test_urllib_parse 251.5167 (4.65) 255.1327 (4.67) 253.2407 (4.66)
---------------------------------------------------------------------------------
```
To run the benchmarks locally, use:
```
pytest --runslow
```
[Ada]: https://ada-url.com/