<img src="./doc/source/_static/img/logo_lca_algebraic.png" alt="logo" width="200" style="margin:auto;display:block"/>
**lca_algebraic** is a layer above [**brightway2**](https://brightway.dev/) designed for the definition of **parametric inventories**
with fast computation of LCA impacts, suitable for **monte-carlo** / global sensitivity analysis
It integrates the magic of [Sympy](https://www.sympy.org/en/index.html) in order to write parametric formulas as regular Python expressions.
**lca-algebraic** provides a set of **helper functions** for :
* **compact** & **human readable** definition of activities :
* search background (tech and biosphere) activities
* create new foreground activities with parametrized amounts
* parametrize / update existing background activities (extending the class **Activity**)
* Definition of parameters
* Fast computation of LCAs
* Computation of monte carlo method and global sensitivity analysis (Sobol indices)
# ⚙ Installation
We don't provide conda package anymore.
This packages is available via [pip /pypi](https://pypi.org/project/lca-algebraic/)
## 1) Setup separate environement
First create a python environment, with **Python** [>=3.9] :
**With Conda (or [mamba](https://mamba.readthedocs.io/en/latest/index.html))**
```bash
conda create -n lca python==3.10
conda activate lca
```
**With virtual env**
```bash
python3.10 -m venv .venv
source .venv/bin/activate
```
## 2) Install lca_algebraic
> pip install lca_algebraic
## 3) [Optional] Install Jupyter & Activity Browser
You may also install Jupyter and [Activity Browser](https://github.com/LCA-ActivityBrowser/activity-browser) on the same
environment.
**Jupyter** :
> pip install jupyter
**Activity Browser** can only be installed via conda/mamba. Note that it can also be installed on a separate Python env and will
still be able to access and browse the projects created programmatically with *lca_algebraic* / *Brightway*.
> conda install activity-browser
# 📚 Documentation & resources
Full documentation is [hosted on **readthedocs**](https://lca-algebraic.readthedocs.io/)
We provide some notebooks :
* [Example notebook](./notebooks/example-notebook.ipynb) : Basic functionalities
* [Handbook](./notebooks/handbook.ipynb) : More examples, also showing the usage of the Brightway functions.
* [Workshop](https://git.sophia.mines-paristech.fr/oie/lca-algebraic-workshop) :
A "real life" exercise used as a short training on *lca_algebraic*
# 📧 Mailing list
Please register to this dedicated mailing list to discuss the evolutions of this library and be informed of future releases :
[lca_algebraic@groupes.mines-paristech.fr](https://groupes.minesparis.psl.eu/wws/subscribe/lca_algebraic)
# © Licence & Copyright
This library has been developed by [MinesParis - PSL - O.I.E team](https://www.oie.minesparis.psl.eu/), for the project [*INCER-ACV*](https://librairie.ademe.fr/energies-renouvelables-reseaux-et-stockage/4448-incer-acv.html),
lead by [ADEME](https://www.ademe.fr/).
It is distributed under the [BSD License](./LICENSE)
# Logo
Please use the following logo to advertise about this librairy.
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"description": "<img src=\"./doc/source/_static/img/logo_lca_algebraic.png\" alt=\"logo\" width=\"200\" style=\"margin:auto;display:block\"/>\n\n\n**lca_algebraic** is a layer above [**brightway2**](https://brightway.dev/) designed for the definition of **parametric inventories** \nwith fast computation of LCA impacts, suitable for **monte-carlo** / global sensitivity analysis \n\nIt integrates the magic of [Sympy](https://www.sympy.org/en/index.html) in order to write parametric formulas as regular Python expressions.\n\n**lca-algebraic** provides a set of **helper functions** for : \n* **compact** & **human readable** definition of activities : \n * search background (tech and biosphere) activities \n * create new foreground activities with parametrized amounts\n * parametrize / update existing background activities (extending the class **Activity**)\n* Definition of parameters\n* Fast computation of LCAs\n* Computation of monte carlo method and global sensitivity analysis (Sobol indices) \n\n# \u2699 Installation\n\nWe don't provide conda package anymore.\n\nThis packages is available via [pip /pypi](https://pypi.org/project/lca-algebraic/)\n\n## 1) Setup separate environement\n\nFirst create a python environment, with **Python** [>=3.9] :\n\n**With Conda (or [mamba](https://mamba.readthedocs.io/en/latest/index.html))**\n\n```bash\nconda create -n lca python==3.10\nconda activate lca\n```\n\n**With virtual env**\n\n```bash\npython3.10 -m venv .venv\nsource .venv/bin/activate\n```\n\n## 2) Install lca_algebraic\n\n> pip install lca_algebraic \n\n## 3) [Optional] Install Jupyter & Activity Browser \n\nYou may also install Jupyter and [Activity Browser](https://github.com/LCA-ActivityBrowser/activity-browser) on the same \nenvironment.\n\n**Jupyter** :\n> pip install jupyter\n\n**Activity Browser** can only be installed via conda/mamba. Note that it can also be installed on a separate Python env and will \nstill be able to access and browse the projects created programmatically with *lca_algebraic* / *Brightway*. \n> conda install activity-browser\n\n\n# \ud83d\udcda Documentation & resources\n\nFull documentation is [hosted on **readthedocs**](https://lca-algebraic.readthedocs.io/)\n\nWe provide some notebooks :\n* [Example notebook](./notebooks/example-notebook.ipynb) : Basic functionalities \n* [Handbook](./notebooks/handbook.ipynb) : More examples, also showing the usage of the Brightway functions.\n* [Workshop](https://git.sophia.mines-paristech.fr/oie/lca-algebraic-workshop) :\n A \"real life\" exercise used as a short training on *lca_algebraic*\n\n# \ud83d\udce7 Mailing list\n\nPlease register to this dedicated mailing list to discuss the evolutions of this library and be informed of future releases :\n\n[lca_algebraic@groupes.mines-paristech.fr](https://groupes.minesparis.psl.eu/wws/subscribe/lca_algebraic)\n\n\n# \u00a9 Licence & Copyright\n\nThis library has been developed by [MinesParis - PSL - O.I.E team](https://www.oie.minesparis.psl.eu/), for the project [*INCER-ACV*](https://librairie.ademe.fr/energies-renouvelables-reseaux-et-stockage/4448-incer-acv.html), \nlead by [ADEME](https://www.ademe.fr/). \n\nIt is distributed under the [BSD License](./LICENSE)\n\n# Logo\n\nPlease use the following logo to advertise about this librairy.\n\n",
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