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deczoo-0.5.1
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Zoo for Python decorators
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | deczoo-0.5.1 |
| نام | deczoo |
| نسخه کتابخانه | 0.5.1 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Francesco Bruzzesi |
| ایمیل نویسنده | - |
| آدرس صفحه اصلی | - |
| آدرس اینترنتی | https://pypi.org/project/deczoo/ |
| مجوز | MIT License Copyright (c) 2022 Francesco Bruzzesi Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
<img src="docs/img/deczoo-logo.png" width=185 height=185 align="right">
<img src ="docs/img/interrogate-shield.svg">
[](https://github.com/psf/black)
# Deczoo
> A zoo for decorators
There are many great decorators out there that we use everyday. Why don't collect few of them?
I found myself implementing over and over in different projects. The hope is to gather them here and use this codebase.
---
**Documentation**: https://fbruzzesi.github.io/deczoo
**Source Code**: https://github.com/fbruzzesi/deczoo
---
## Alpha Notice
This codebase is experimental and is working for my use cases. It is very probable that there are cases not covered and for which it breaks (badly). If you find them, please feel free to open an issue in the [issue page](https://github.com/FBruzzesi/deczoo/issues) of the repo.
## What is a decorator?
In short a python decorator is a way to modify or enhance the behavior of a function or a class without actually modifying the source code of the function or class.
Decorators are implemented as functions (or classes) that take a function or a class as input and return a new function or class that has some additional functionality.
To have a more in-depth explanation you can check the [decorators docs page](https://fbruzzesi.github.io/deczoo/decorators/intro/).
## Installation
**deczoo** is published as a Python package on [pypi](https://pypi.org/), and it can be installed with pip, or directly from source using git, or with a local clone:
### pip
```bash
python -m pip install deczoo
```
### source/git
```bash
python -m pip install git+https://github.com/FBruzzesi/deczoo.git
```
### local clone
```bash
git clone https://github.com/FBruzzesi/deczoo.git
cd deczoo
python -m pip install .
```
### Dependencies
As of now, the library has no additional required dependencies, however:
- some functionalities works only on UNIX systems (`@memory_limit` and `@timeout`)
- to use some decorators you may need to install additional dependencies (e.g. install [`chime`](https://github.com/MaxHalford/chime) to use `@chime_on_end`)
## Getting started
The idea is kind of simple: each function in the library is a (function) decorator with a specific objective in mind.
```python title="Example: log decorator"
from deczoo import log
@log # equivalent to @log(log_time=True, log_args=True, log_error=True, logging_fn=print)
def custom_add(a, b, *args):
"""Adds all arguments together"""
return sum([a, b, *args])
_ = custom_add(1, 2, 3, 4)
# custom_add args=(a=1, b=2, args=(3, 4)) time=0:00:00.000062
_ = custom_add(1, "a", 2)
# custom_add args=(a=1, b=a, args=(2,)) time=0:00:00.000064 Failed with error: unsupported
# operand type(s) for +: 'int' and 'str'
```
```python title="Example: shape_tracker decorator"
from deczoo import shape_tracker
@shape_tracker(shape_in=True, shape_out=True, shape_delta=True, raise_if_empty=True)
def tracked_vstack(a: np.ndarray, b: np.ndarray) -> np.ndarray:
return np.vstack([a, b])
_ = tracked_vstack(np.ones((1, 2)), np.ones((10, 2)))
# Input: `a` has shape (1, 2)
# Output: result has shape (11, 2)
# Shape delta: (-10, 0)
```
### Features
The library implements the following decorators:
- `call_counter`: tracks how many times a function has been called.
- `catch`: wraps a function in a try-except block, returning a custom value, or raising a custom exception.
- `check_args`: checks that function arguments satisfy its "rule".
- `chime_on_end`: notify with chime sound on function end (success or error).
- `log`: tracks function time taken, arguments and errors, such logs can be written to a file.
- `timer`: tracks function time taken.
- `memory_limit`: sets a memory limit while running the function.
- `notify_on_end`: notifies when function finished running with a custom notifier.
- `retry`: wraps a function with a "retry" block.
- `shape_tracker`: tracks the shape of a dataframe/array-like object, in input and/or output.
- `multi_shape_tracker`: tracks the shapes of input(s) and/or output(s) of a function.
- `timeout`: sets a time limit for the function, terminates the process if it hasn't finished within such time limit.
### Examples
Please refer to the [api page](https://fbruzzesi.github.io/deczoo/api/decorators/) to see a basic example for each decorator.
## Contributing
Please read the [Contributing guidelines](https://fbruzzesi.github.io/deczoo/contribute/) in the documentation site.
## License
The project has a [MIT Licence](https://github.com/FBruzzesi/deczoo/blob/main/LICENSE)
نیازمندی
| مقدار | نام |
|---|---|
| - | deczoo[chime,dev,docs,rich] |
| - | chime |
| ==22.12.0 | black |
| ==1.5.0 | interrogate |
| ==5.10.1 | isort |
| ==2.21.0 | pre-commit |
| ==7.2.0 | pytest |
| ==3.2.1 | pytest-xdist |
| ==7.2.1 | coverage |
| - | numpy |
| ==1.4.2 | mkdocs |
| ==9.1.2 | mkdocs-material |
| ==0.20.0 | mkdocstrings[python] |
| >=12.0.0 | rich |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.8 | Python |
نحوه نصب
نصب پکیج whl deczoo-0.5.1:
pip install deczoo-0.5.1.whl
نصب پکیج tar.gz deczoo-0.5.1:
pip install deczoo-0.5.1.tar.gz