<div align="center">
<br>
<img alt="classy logo" src="https://github.com/sunglasses-ai/classy/raw/main/img/logo.png" width="400"/>
<p>
A PyTorch-based library for fast prototyping and sharing of deep neural network models.
</p>
<hr/>
</div>
<p align="center">
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## Quick Links
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- [↗️ Website](http://sunglasses-ai.github.io/classy/)
- [📓 Documentation](http://sunglasses-ai.github.io/classy/docs/intro)
- [💻 Template](https://github.com/sunglasses-ai/classy-template)
- [🔦 Examples](https://github.com/sunglasses-ai/classy-examples)
- [✋ Contributing Guidelines](CONTRIBUTING.md)
- [🌙 Nightly Releases](https://pypi.org/project/classy-core/#history)
## In this README
- [🚀 Getting Started](#getting-started-using-classy)
- [⚡ Installation](#installation)
- [⌨ Running Classy](#running-classy)
- [`classy train`](#classy-train)
- [`classy predict`](#classy-predict)
- [`classy evaluate`](#classy-evaluate)
- [`classy serve`](#classy-serve)
- [`classy demo`](#classy-demo)
- [`classy describe`](#classy-describe)
- [`classy upload`](#classy-upload)
- [`classy download`](#classy-download)
- [Enable `classy` shell completion](#enabling-shell-completion)
- [🤔 Issues](#issues)
- [❤️ Contributions](#contributions)
## Getting Started using classy
If this is your first time meeting `classy`, don't worry! We have plenty of resources to help you learn how it works and what it can do for you.
For starters, have a look at our [amazing website](http://sunglasses-ai.github.io/classy) and [our documentation](http://sunglasses-ai.github.io/classy/docs/intro)!
If you want to get your hands dirty right away, have a look at our [base classy template](https://github.com/sunglasses-ai/classy-template).
Also, we have [a few examples](https://github.com/sunglasses-ai/classy-examples) that you can look at to get to know `classy`!
## Installation
*For a more in-depth installation guide (covering also installing from source and through docker), please visit our [installation page](https://sunglasses-ai.github.io/classy/docs/installation/).*
If you are using one of our [templates](https://github.com/sunglasses-ai/classy-template), there is a handy `setup.sh` script you can use that will execute the commands to create the environment and install `classy` for you.
### Installing via pip
#### Setting up a virtual environment
We strongly recommend using [Conda](https://conda.io/) as the environment manager when dealing with deep learning / data science / machine learning. It's also recommended that you install the PyTorch ecosystem **before** installing `classy` by following the instructions on [pytorch.org](https://pytorch.org/)
If you already have a Python 3 environment you want to use, you can skip to the [Installing the library and dependencies](#Installing-the-library-and-dependencies) section.
1. [Download and install Conda](https://conda.io/projects/conda/en/latest/user-guide/install/index.html).
2. Create a Conda environment with Python 3.8+:
```yaml
conda create -n classy python=3.8
```
3. Activate the Conda environment:
```yaml
conda activate classy
```
#### Installing the library and dependencies
Simply execute
```yaml
pip install classy-core
```
and voilà! You're all set.
*Looking for some adventures? Install nightly releases directly from [pypi](https://pypi.org/project/classy-core/#history)! You will ~~not~~ regret it :)*
## Running `classy`
Once it is installed, `classy` is available as a command line tool. It offers a wide variety of subcommands, all listed below. Detailed guides and references for each command is available [in the documentation](https://sunglasses-ai.github.io/classy/docs/reference-manual/cli/train/).
Every one of `classy`'s subcommands have a `-h|--help` flag available which details the various arguments & options you can use (e.g., `classy train -h`).
### `classy train`
In its simplest form, `classy train` lets you train a transformer-based neural network for one of the tasks supported by `classy` (see [the documentation](https://sunglasses-ai.github.io/classy/docs/reference-manual/tasks-and-formats/)).
```yaml
classy train sentence-pair path/to/dataset/folder-or-file -n my-model
```
The command above will train a model to predict a label given a pair of sentences as input (e.g., Natural Language Inference or NLI) and save it under `experiments/my-model`. This same model can be further used by all other `classy` commands which require a `classy` model (`predict`, `evaluate`, `serve`, `demo`, `upload`).
### `classy predict`
`classy predict` actually has two subcommands: `interactive` and `file`.
The first loads the model in memory and lets you try it out through the shell directly, so that you can test the model you trained and see what it predicts given some input. It is particularly useful when your machine cannot open a port for [`classy demo`](#classy-demo).
The second, instead, works on a file and produces an output where, for each input, it associates the corresponding predicted label. It is very useful when doing pre-processing or when you need to evaluate your model (although we offer [`classy evaluate`](#classy-evaluate) for that).
### `classy evaluate`
`classy evaluate` lets you evaluate your model on standard metrics for the task your model was trained upon. Simply run `classy evaluate my-model path/to/file -o path/to/output/file` and it will dump the evaluation at `path/to/output/file`
### `classy serve`
`classy serve <model>` loads the model in memory and spawns a REST API you can use to query your model with any REST client.
### `classy demo`
`classy demo <model>` spawns a [Streamlit](https://streamlit.io) interface which lets you quickly show and query your model.
### `classy describe`
`classy describe <task> --dataset path/to/dataset` runs some common metrics on a file formatted for the specific task. Great tool to run **before** training your model!
### `classy upload`
`classy upload <model>` lets you upload your `classy`-trained model on the [HuggingFace Hub](https://huggingface.co) and lets other users download / use it. (NOTE: you need a HuggingFace Hub account in order to upload to their hub)
Models uploaded via `classy upload` will be available for download by other classy users by simply executing `classy download username@model`.
### `classy download`
`classy download <model>` downloads a previously uploaded `classy`-trained model from the [HuggingFace Hub](https://huggingface.co) and stores it on your machine so that it is usable with any other `classy` command which requires a trained model (`predict`, `evaluate`, `serve`, `demo`, `upload`).
Models uploaded via `classy upload` are available by doing `classy download username@model`.
### Enabling Shell Completion
To install shell completion, **activate your conda environment** and then execute
```yaml
classy --install-autocomplete
```
From now on, whenever you activate your conda environment with `classy` installed, you are going to have autocompletion when pressing `[TAB]`!
## Issues
You are more than welcome to file issues with either feature requests, bug reports, or general questions. If you already found a solution to your problem, don't hesitate to share it. Suggestions for new best practices and tricks are always welcome!
## Contributions
We warmly welcome contributions from the community. If it is your first time as a contributor, we recommend you start by reading our CONTRIBUTING.md guide.
Small contributions can be made directly in a pull request. For contributing major features, we recommend you first create a issue proposing a design, so that it can be discussed before you risk wasting time.
Pull requests (PRs) must have one approving review and no requested changes before they are merged.
As `classy` is primarily driven by SunglassesAI, we reserve the right to reject or revert contributions that we don't think are good additions or might not fit into our roadmap.
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"description": "<div align=\"center\">\n <br>\n <img alt=\"classy logo\" src=\"https://github.com/sunglasses-ai/classy/raw/main/img/logo.png\" width=\"400\"/>\n <p>\n A PyTorch-based library for fast prototyping and sharing of deep neural network models.\n </p>\n <hr/>\n</div>\n<p align=\"center\">\n<!-- // REMOVE\n <a href=\"https://github.com/sunglasses-ai/classy/actions\">\n <img alt=\"CI\" src=\"https://github.com/sunglasses-ai/classy/workflows/CI/badge.svg?event=push&branch=main\">\n </a>\n <a href=\"https://github.com/sunglasses-ai/classy/blob/main/LICENSE\">\n <img alt=\"License\" src=\"https://img.shields.io/github/license/sunglasses-ai/classy.svg?color=blue&cachedrop\">\n </a>\n <a href=\"https://optuna.org\">\n <img alt=\"Optuna\" src=\"https://img.shields.io/badge/Optuna-integrated-blue\">\n </a>\n-->\n <a href=\"\">\n <img alt=\"Python\" src=\"https://img.shields.io/badge/Python 3.8+-blue?style=for-the-badge&logo=python&logoColor=white\">\n </a>\n <a href=\"https://pypi.org/project/classy-core/\">\n <img alt=\"PyPI\" src=\"https://img.shields.io/pypi/v/classy-core?style=for-the-badge&logo=pypi\">\n </a>\n <a href=\"https://pytorch.org/get-started/locally/\">\n <img alt=\"PyTorch\" src=\"https://img.shields.io/badge/PyTorch 1.8+-ee4c2c?style=for-the-badge&logo=pytorch&logoColor=white\">\n </a>\n <a href=\"https://pytorchlightning.ai/\">\n <img alt=\"Lightning\" src=\"https://img.shields.io/badge/Lightning 1.5-792ee5?style=for-the-badge&logo=pytorchlightning&logoColor=white\">\n </a>\n <a href=\"https://hydra.cc/\">\n <img alt=\"Config: hydra\" src=\"https://img.shields.io/badge/config-hydra 1.1.1-89b8cd?style=for-the-badge&labelColor=gray\">\n </a>\n <a href=\"https://black.readthedocs.io/en/stable/\">\n <img alt=\"Code style: black\" src=\"https://img.shields.io/badge/code%20style-black-black.svg?style=for-the-badge&labelColor=gray\">\n </a>\n <a href=\"https://codecov.io/gh/sunglasses-ai/classy\">\n <img alt=\"Codecov\" src=\"https://img.shields.io/codecov/c/github/sunglasses-ai/classy/main?label=cov&logo=codecov&style=for-the-badge&token=S0PMBCTG73\">\n </a>\n <br/>\n</p>\n\n## Quick Links\n\n<!-- - [\ud83d\udcbb Demo (TODO?)](https://TODO/)\n- [\ud83d\udd26 Guide (TODO)](https://TODO/)\n- [\ud83d\udcd3 Versioned Documentation](http://sunglasses-ai.github.io/classy/docs/intro) ( [latest](http://sunglasses-ai.github.io/classy/docs/intro) | [stable](http://sunglasses-ai.github.io/classy/docs/intro) | [commit](http://sunglasses-ai.github.io/classy/docs/intro) )\n- [\u2699\ufe0f Continuous Build (TODO)](https://TODO)-->\n- [\u2197\ufe0f Website](http://sunglasses-ai.github.io/classy/)\n- [\ud83d\udcd3 Documentation](http://sunglasses-ai.github.io/classy/docs/intro)\n- [\ud83d\udcbb Template](https://github.com/sunglasses-ai/classy-template)\n- [\ud83d\udd26 Examples](https://github.com/sunglasses-ai/classy-examples)\n- [\u270b Contributing Guidelines](CONTRIBUTING.md)\n- [\ud83c\udf19 Nightly Releases](https://pypi.org/project/classy-core/#history)\n\n\n## In this README\n\n- [\ud83d\ude80 Getting Started](#getting-started-using-classy)\n- [\u26a1 Installation](#installation)\n- [\u2328 Running Classy](#running-classy)\n - [`classy train`](#classy-train)\n - [`classy predict`](#classy-predict)\n - [`classy evaluate`](#classy-evaluate)\n - [`classy serve`](#classy-serve)\n - [`classy demo`](#classy-demo)\n - [`classy describe`](#classy-describe)\n - [`classy upload`](#classy-upload)\n - [`classy download`](#classy-download)\n - [Enable `classy` shell completion](#enabling-shell-completion)\n- [\ud83e\udd14 Issues](#issues)\n- [\u2764\ufe0f Contributions](#contributions)\n\n\n## Getting Started using classy\nIf this is your first time meeting `classy`, don't worry! We have plenty of resources to help you learn how it works and what it can do for you.\n\nFor starters, have a look at our [amazing website](http://sunglasses-ai.github.io/classy) and [our documentation](http://sunglasses-ai.github.io/classy/docs/intro)!\n\nIf you want to get your hands dirty right away, have a look at our [base classy template](https://github.com/sunglasses-ai/classy-template).\nAlso, we have [a few examples](https://github.com/sunglasses-ai/classy-examples) that you can look at to get to know `classy`!\n\n## Installation\n\n*For a more in-depth installation guide (covering also installing from source and through docker), please visit our [installation page](https://sunglasses-ai.github.io/classy/docs/installation/).*\n\nIf you are using one of our [templates](https://github.com/sunglasses-ai/classy-template), there is a handy `setup.sh` script you can use that will execute the commands to create the environment and install `classy` for you.\n\n### Installing via pip\n\n#### Setting up a virtual environment\n\nWe strongly recommend using [Conda](https://conda.io/) as the environment manager when dealing with deep learning / data science / machine learning. It's also recommended that you install the PyTorch ecosystem **before** installing `classy` by following the instructions on [pytorch.org](https://pytorch.org/)\n\nIf you already have a Python 3 environment you want to use, you can skip to the [Installing the library and dependencies](#Installing-the-library-and-dependencies) section.\n\n1. [Download and install Conda](https://conda.io/projects/conda/en/latest/user-guide/install/index.html).\n\n2. Create a Conda environment with Python 3.8+:\n\n ```yaml\n conda create -n classy python=3.8\n ```\n\n3. Activate the Conda environment:\n\n ```yaml\n conda activate classy\n ```\n\n#### Installing the library and dependencies\n\nSimply execute\n\n```yaml\npip install classy-core\n```\n\nand voil\u00e0! You're all set.\n\n*Looking for some adventures? Install nightly releases directly from [pypi](https://pypi.org/project/classy-core/#history)! You will ~~not~~ regret it :)*\n\n\n## Running `classy`\nOnce it is installed, `classy` is available as a command line tool. It offers a wide variety of subcommands, all listed below. Detailed guides and references for each command is available [in the documentation](https://sunglasses-ai.github.io/classy/docs/reference-manual/cli/train/).\nEvery one of `classy`'s subcommands have a `-h|--help` flag available which details the various arguments & options you can use (e.g., `classy train -h`).\n\n### `classy train`\nIn its simplest form, `classy train` lets you train a transformer-based neural network for one of the tasks supported by `classy` (see [the documentation](https://sunglasses-ai.github.io/classy/docs/reference-manual/tasks-and-formats/)).\n\n```yaml\nclassy train sentence-pair path/to/dataset/folder-or-file -n my-model\n```\nThe command above will train a model to predict a label given a pair of sentences as input (e.g., Natural Language Inference or NLI) and save it under `experiments/my-model`. This same model can be further used by all other `classy` commands which require a `classy` model (`predict`, `evaluate`, `serve`, `demo`, `upload`).\n\n### `classy predict`\n`classy predict` actually has two subcommands: `interactive` and `file`.\n\nThe first loads the model in memory and lets you try it out through the shell directly, so that you can test the model you trained and see what it predicts given some input. It is particularly useful when your machine cannot open a port for [`classy demo`](#classy-demo).\n\nThe second, instead, works on a file and produces an output where, for each input, it associates the corresponding predicted label. It is very useful when doing pre-processing or when you need to evaluate your model (although we offer [`classy evaluate`](#classy-evaluate) for that).\n\n### `classy evaluate`\n`classy evaluate` lets you evaluate your model on standard metrics for the task your model was trained upon. Simply run `classy evaluate my-model path/to/file -o path/to/output/file` and it will dump the evaluation at `path/to/output/file`\n\n### `classy serve`\n`classy serve <model>` loads the model in memory and spawns a REST API you can use to query your model with any REST client.\n\n### `classy demo`\n`classy demo <model>` spawns a [Streamlit](https://streamlit.io) interface which lets you quickly show and query your model.\n\n### `classy describe`\n`classy describe <task> --dataset path/to/dataset` runs some common metrics on a file formatted for the specific task. Great tool to run **before** training your model!\n\n### `classy upload`\n`classy upload <model>` lets you upload your `classy`-trained model on the [HuggingFace Hub](https://huggingface.co) and lets other users download / use it. (NOTE: you need a HuggingFace Hub account in order to upload to their hub)\n\nModels uploaded via `classy upload` will be available for download by other classy users by simply executing `classy download username@model`.\n\n### `classy download`\n`classy download <model>` downloads a previously uploaded `classy`-trained model from the [HuggingFace Hub](https://huggingface.co) and stores it on your machine so that it is usable with any other `classy` command which requires a trained model (`predict`, `evaluate`, `serve`, `demo`, `upload`).\n\nModels uploaded via `classy upload` are available by doing `classy download username@model`.\n\n### Enabling Shell Completion\nTo install shell completion, **activate your conda environment** and then execute\n```yaml\nclassy --install-autocomplete\n```\n\nFrom now on, whenever you activate your conda environment with `classy` installed, you are going to have autocompletion when pressing `[TAB]`!\n\n## Issues\nYou are more than welcome to file issues with either feature requests, bug reports, or general questions. If you already found a solution to your problem, don't hesitate to share it. Suggestions for new best practices and tricks are always welcome!\n\n## Contributions\nWe warmly welcome contributions from the community. If it is your first time as a contributor, we recommend you start by reading our CONTRIBUTING.md guide.\n\nSmall contributions can be made directly in a pull request. For contributing major features, we recommend you first create a issue proposing a design, so that it can be discussed before you risk wasting time.\n\nPull requests (PRs) must have one approving review and no requested changes before they are merged.\nAs `classy` is primarily driven by SunglassesAI, we reserve the right to reject or revert contributions that we don't think are good additions or might not fit into our roadmap.\n\n\n",
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