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https://github.com/sqids/sqids-python
Official Python port of Sqids. Generate short unique IDs from numbers.
https://github.com/sqids/sqids-python
hashids id id-generator python short-id short-url sqids uid unique-id unique-id-generator
Last synced: 30 days ago
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Official Python port of Sqids. Generate short unique IDs from numbers.
- Host: GitHub
- URL: https://github.com/sqids/sqids-python
- Owner: sqids
- License: mit
- Created: 2023-06-24T15:29:01.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2024-08-08T20:35:49.000Z (4 months ago)
- Last Synced: 2024-11-01T14:07:07.385Z (about 1 month ago)
- Topics: hashids, id, id-generator, python, short-id, short-url, sqids, uid, unique-id, unique-id-generator
- Language: Python
- Homepage: https://sqids.org/python
- Size: 82 KB
- Stars: 370
- Watchers: 6
- Forks: 5
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
Awesome Lists containing this project
README
# [Sqids Python](https://sqids.org/python)
[](https://pypi.org/project/sqids/)
[](https://github.com/sqids/sqids-python/actions)
[](https://pypi.org/project/sqids/)
[Sqids](https://sqids.org/python) (*pronounced "squids"*) is a small library that lets you **generate unique IDs from numbers**. It's good for link shortening, fast & URL-safe ID generation and decoding back into numbers for quicker database lookups.
Features:
- **Encode multiple numbers** - generate short IDs from one or several non-negative numbers
- **Quick decoding** - easily decode IDs back into numbers
- **Unique IDs** - generate unique IDs by shuffling the alphabet once
- **ID padding** - provide minimum length to make IDs more uniform
- **URL safe** - auto-generated IDs do not contain common profanity
- **Randomized output** - Sequential input provides nonconsecutive IDs
- **Many implementations** - Support for [40+ programming languages](https://sqids.org/)
## 🧰 Use-cases
Good for:
- Generating IDs for public URLs (eg: link shortening)
- Generating IDs for internal systems (eg: event tracking)
- Decoding for quicker database lookups (eg: by primary keys)
Not good for:
- Sensitive data (this is not an encryption library)
- User IDs (can be decoded revealing user count)
## 🚀 Getting started
Install the package from PyPI, e. g. with pip:
```bash
pip install sqids
```
Import the `Sqids` class from the `sqids` package:
```python
from sqids import Sqids
sqids = Sqids()
```
## 👩💻 Examples
Simple encode & decode:
```python
sqids = Sqids()
id = sqids.encode([1, 2, 3]) # "86Rf07"
numbers = sqids.decode(id) # [1, 2, 3]
```
> **Note**
> 🚧 Because of the algorithm's design, **multiple IDs can decode back into the same sequence of numbers**. If it's important to your design that IDs are canonical, you have to manually re-encode decoded numbers and check that the generated ID matches.
Enforce a *minimum* length for IDs:
```python
sqids = Sqids(min_length=10)
id = sqids.encode([1, 2, 3]) # "86Rf07xd4z"
numbers = sqids.decode(id) # [1, 2, 3]
```
Randomize IDs by providing a custom alphabet:
```python
sqids = Sqids(alphabet="FxnXM1kBN6cuhsAvjW3Co7l2RePyY8DwaU04Tzt9fHQrqSVKdpimLGIJOgb5ZE")
id = sqids.encode([1, 2, 3]) # "B4aajs"
numbers = sqids.decode(id) # [1, 2, 3]
```
Prevent specific words from appearing anywhere in the auto-generated IDs:
```python
sqids = Sqids(blocklist=["86Rf07"])
id = sqids.encode([1, 2, 3]) # "se8ojk"
numbers = sqids.decode(id) # [1, 2, 3]
```
## 📝 License
[MIT](LICENSE)