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Poetry

LOTUS anticipated

Prepare environment

Install pyenv

First you will need to download pyenv and pipx:

curl https://pyenv.run | bash

or use Homebrew:

brew install pyenv

Install pipx

The you can install pipx:

brew install pipx
pipx ensurepath

Or if you are on Linux:

sudo apt update
sudo apt install pipx
pipx ensurepath

Install poetry

Then you can install poetry:

pipx install poetry

Finally you can install the environment:

poetry install

Alternative: Install the environment in conda (NOT recommended):

conda env create --file environment.yml
conda activate grape

Download preprocessed data

For running the analysis you can download the data from Zenodo: TODO

TODO

Run the analysis

You may choose which ever model you want from the src/models folder. If you want you can also implement your own model. The available models are :

Before running the script, you should change the variable max_evals in the run_decision_tree.py file to 100 or more.

Prepare the data locally

First thing to do is to download LOTUS from Zenodo:

wget https://zenodo.org/record/7534071/files/230106_frozen_metadata.csv.gz
mv ./230106_frozen_metadata.csv.gz ./data/molecules/230106_frozen_metadata.csv.gz
wget http://classyfire.wishartlab.com/system/downloads/1_0/chemont/ChemOnt_2_1.obo.zip
mv ./ChemOnt_2_1.obo.zip ./data/molecules/ChemOnt_2_1.obo.zip
# unzip the file
unzip ./data/molecules/ChemOnt_2_1.obo.zip
mv ./ChemOnt_2_1.obo ./data/molecules/ChemOnt_2_1.obo

wget https://raw.githubusercontent.com/mwang87/NP-Classifier/master/Classifier/dict/index_v1.json
mv ./index_v1.json ./data/molecules/NPClassifier_index.json

Prepare molecules

First run the following command to prepare lotus, the molecules and the molecule ontology:

python prepare_data/prepare_lotus.py
python prepare_data/prepare_mol_to_chemont.py
python prepare_data/prepare_NPClassifier.py

Prepare species

The species edge list will take a bit longer to prepare (2-3 minutes). We are downloading the entire taxonomy from Wikidata using this query.

python prepare_data/prepare_species.py

Prepare graph

Now we need to prepare the data to be suitable for grape library.

python prepare_data/prepare_graph.py

Finally we need to merge the data from NCBI and LOTUS.

python prepare_data/prepare_merge_ncbi.py

Once this is done you should have in the data folder the following structure, with the following graphs available:

.
├── full_graph_with_ncbi_clean_edges.csv
├── full_graph_with_ncbi_clean_nodes.csv
├── full_graph_with_ncbi_edges.csv
├── full_graph_with_ncbi_nodes.csv
├── full_wd_taxonomy_with_molecules_in_lotus_clean_edges.csv
├── full_wd_taxonomy_with_molecules_in_lotus_clean_nodes.csv
├── full_wd_taxonomy_with_molecules_in_lotus_edges.csv
├── full_wd_taxonomy_with_molecules_in_lotus_nodes.csv
├── lotus
│   ├── lotus_edges.csv
│   └── lotus_nodes.csv
├── molecules
│   ├── 230106_frozen_metadata.csv.gz
│   ├── ChemOnt_2_1.obo
│   ├── ChemOnt_2_1.obo.zip
│   ├── NPClassifier_index.json
│   ├── chemont_edges.csv
│   ├── chemont_nodes.csv
│   ├── mol_to_chemont_edges.csv
│   ├── mol_to_chemont_nodes.csv
│   ├── mol_to_np_edges.csv
│   └── mol_to_np_nodes.csv
└── species
    ├── full_wikidata_taxonomy_edges.csv
    └── full_wikidata_taxonomy_nodes.csv

Choose the graph

You can choose which graph you want to use for the analysis. Here is an explanation of the different graphs:

  • full_graph_with_ncbi_clean : This graph contains all the data from LOTUS, the taxonomy from wikidata and the taxonomy from NCBI. It is cleaned meaning that there are no disconnected components in the graph.
  • full_graph_with_ncbi: This graph contains all the data from LOTUS, the taxonomy from wikidata and the taxonomy from NCBI. This one is not cleaned meaning that there are some disconnected components in the graph.
  • full_wd_taxonomy_with_molecules_in_lotus_clean : This graph contains the taxonomy from wikidata and the molecules from LOTUS (with the classification of the molecules). It is cleaned meaning that there are no disconnected components in the graph.
  • full_wd_taxonomy_with_molecules_in_lotus : This graph is the same as the previous one. This one is not cleaned meaning that there are some disconnected components in the graph.
  • lotus/lotus : This graph is only a bipartite graph with the species and the molecules from LOTUS.
  • molecules/chemont : This graph contains only the different classes of molecules from Classyfire.
  • molecules/mol_to_chemont : This graph contains the molecules and the classes of molecules from Classyfire.
  • molecules/mol_to_np : This graph contains the molecules and the classes of molecules from NPClassifier.
  • species/full_wikidata_taxonomy : This graph contains the entire taxonomy of the species on Earth from Wikidata.

In our case we will either use the full_graph_with_ncbi_clean or full_wd_taxonomy_with_molecules_in_lotus_clean. Further tests need to be made to see which one is the best for the predictions.

TODO :

  • add to Zotero graph of mol to mol similarity (with explanations)
  • Add a wget to get that graph and avoid users running stuff for hours.
  • merge current graph with graph of mol to mol similarity and make it the default graph for the analysis.
  • add explanation of this new graph above.

Run the analysis

This is not possible at the moment because the module ensmallen from grape does not support the HyperSketching yet. Once it will be available, we recommend to first run the run_model_dummy.py script with max_eval=1. This will first create the sketching of the different holdouts of training and testing. Then you can run the script with max_eval=100 or more to find the best parameters of the model.

Train the model

Once the best parameters are found, you can train the model using the train_model.py script. You should manually change the parameters and the model in the script according to the best parameters found.

Streamlit app

Here are some new molecules from :