Mercurial > repos > bimib > cobraxy
changeset 216:b162b98f9de5 draft
Uploaded
author | luca_milaz |
---|---|
date | Fri, 13 Dec 2024 18:46:12 +0000 |
parents | 5cc4a367ef70 |
children | f9deb464e6a6 |
files | COBRAxy/ras_to_bounds.py COBRAxy/utils/ras_to_bounds.py |
diffstat | 2 files changed, 17 insertions(+), 301 deletions(-) [+] |
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--- a/COBRAxy/ras_to_bounds.py Fri Dec 13 11:06:12 2024 +0000 +++ b/COBRAxy/ras_to_bounds.py Fri Dec 13 18:46:12 2024 +0000 @@ -116,30 +116,31 @@ return dataset -def apply_ras_bounds(model, ras_row): +def apply_ras_bounds(bounds, ras_row): """ Adjust the bounds of reactions in the model based on RAS values. Args: - model (cobra.Model): The metabolic model to be modified. + bounds (pd.DataFrame): Model bounds. ras_row (pd.Series): A row from a RAS DataFrame containing scaling factors for reaction bounds. Returns: - None + new_bounds (pd.DataFrame): integrated bounds. """ + new_bounds = bounds.copy() for reaction in ras_row.index: scaling_factor = ras_row[reaction] - lower_bound=model.reactions.get_by_id(reaction).lower_bound - upper_bound=model.reactions.get_by_id(reaction).upper_bound + lower_bound=bounds.loc[reaction, "lower_bound"] + upper_bound=bounds.loc[reaction, "upper_bound"] valMax=float((upper_bound)*scaling_factor) valMin=float((lower_bound)*scaling_factor) if upper_bound!=0 and lower_bound==0: - model.reactions.get_by_id(reaction).upper_bound=valMax + new_bounds.loc[reaction, "upper_bound"] = valMax if upper_bound==0 and lower_bound!=0: - model.reactions.get_by_id(reaction).lower_bound=valMin + new_bounds.loc[reaction, "lower_bound"] = valMin if upper_bound!=0 and lower_bound!=0: - model.reactions.get_by_id(reaction).lower_bound=valMin - model.reactions.get_by_id(reaction).upper_bound=valMax - pass + new_bounds.loc[reaction, "lower_bound"] = valMin + new_bounds.loc[reaction, "upper_bound"] = valMax + return new_bounds def process_ras_cell(cellName, ras_row, model, rxns_ids, output_folder): """ @@ -155,10 +156,9 @@ Returns: None """ - model_new = model.copy() - apply_ras_bounds(model_new, ras_row) - bounds = pd.DataFrame([(rxn.lower_bound, rxn.upper_bound) for rxn in model_new.reactions], index=rxns_ids, columns=["lower_bound", "upper_bound"]) - bounds.to_csv(output_folder + cellName + ".csv", sep='\t', index=True) + bounds = pd.DataFrame([(rxn.lower_bound, rxn.upper_bound) for rxn in model.reactions], index=rxns_ids, columns=["lower_bound", "upper_bound"]) + new_bounds = apply_ras_bounds(bounds, ras_row) + new_bounds.to_csv(output_folder + cellName + ".csv", sep='\t', index=True) pass def generate_bounds(model: cobra.Model, medium: dict, ras=None, output_folder='output/') -> pd.DataFrame: @@ -197,10 +197,9 @@ if ras is not None: Parallel(n_jobs=cpu_count())(delayed(process_ras_cell)(cellName, ras_row, model, rxns_ids, output_folder) for cellName, ras_row in ras.iterrows()) else: - model_new = model.copy() - apply_ras_bounds(model_new, pd.Series([1]*len(rxns_ids), index=rxns_ids)) - bounds = pd.DataFrame([(rxn.lower_bound, rxn.upper_bound) for rxn in model_new.reactions], index=rxns_ids, columns=["lower_bound", "upper_bound"]) - bounds.to_csv(output_folder + "bounds.csv", sep='\t', index=True) + bounds = pd.DataFrame([(rxn.lower_bound, rxn.upper_bound) for rxn in model.reactions], index=rxns_ids, columns=["lower_bound", "upper_bound"]) + newBounds = apply_ras_bounds(bounds, pd.Series([1]*len(rxns_ids), index=rxns_ids)) + newBounds.to_csv(output_folder + "bounds.csv", sep='\t', index=True) pass
--- a/COBRAxy/utils/ras_to_bounds.py Fri Dec 13 11:06:12 2024 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,283 +0,0 @@ -import argparse -import utils.general_utils as utils -from typing import Optional, List -import os -import numpy as np -import pandas as pd -import cobra -import sys -import csv -from joblib import Parallel, delayed, cpu_count - -################################# process args ############################### -def process_args(args :List[str]) -> argparse.Namespace: - """ - Processes command-line arguments. - - Args: - args (list): List of command-line arguments. - - Returns: - Namespace: An object containing parsed arguments. - """ - parser = argparse.ArgumentParser(usage = '%(prog)s [options]', - description = 'process some value\'s') - - parser.add_argument( - '-ms', '--model_selector', - type = utils.Model, default = utils.Model.ENGRO2, choices = [utils.Model.ENGRO2, utils.Model.Custom], - help = 'chose which type of model you want use') - - parser.add_argument("-mo", "--model", type = str, - help = "path to input file with custom rules, if provided") - - parser.add_argument("-mn", "--model_name", type = str, help = "custom mode name") - - parser.add_argument( - '-mes', '--medium_selector', - default = "allOpen", - help = 'chose which type of medium you want use') - - parser.add_argument("-meo", "--medium", type = str, - help = "path to input file with custom medium, if provided") - - parser.add_argument('-ol', '--out_log', - help = "Output log") - - parser.add_argument('-td', '--tool_dir', - type = str, - required = True, - help = 'your tool directory') - - parser.add_argument('-ir', '--input_ras', - type=str, - required = False, - help = 'input ras') - - parser.add_argument('-rn', '--name', - type=str, - help = 'ras class names') - - parser.add_argument('-rs', '--ras_selector', - required = True, - type=utils.Bool("using_RAS"), - help = 'ras selector') - - parser.add_argument('-cc', '--cell_class', - type = str, - help = 'output of cell class') - - - ARGS = parser.parse_args() - return ARGS - -########################### warning ########################################### -def warning(s :str) -> None: - """ - Log a warning message to an output log file and print it to the console. - - Args: - s (str): The warning message to be logged and printed. - - Returns: - None - """ - with open(ARGS.out_log, 'a') as log: - log.write(s + "\n\n") - print(s) - -############################ dataset input #################################### -def read_dataset(data :str, name :str) -> pd.DataFrame: - """ - Read a dataset from a CSV file and return it as a pandas DataFrame. - - Args: - data (str): Path to the CSV file containing the dataset. - name (str): Name of the dataset, used in error messages. - - Returns: - pandas.DataFrame: DataFrame containing the dataset. - - Raises: - pd.errors.EmptyDataError: If the CSV file is empty. - sys.exit: If the CSV file has the wrong format, the execution is aborted. - """ - try: - dataset = pd.read_csv(data, sep = '\t', header = 0, engine='python') - except pd.errors.EmptyDataError: - sys.exit('Execution aborted: wrong format of ' + name + '\n') - if len(dataset.columns) < 2: - sys.exit('Execution aborted: wrong format of ' + name + '\n') - return dataset - - -def apply_ras_bounds(model, ras_row, rxns_ids, mediumRxns_ids): - """ - Adjust the bounds of reactions in the model based on RAS values. - - Args: - model (cobra.Model): The metabolic model to be modified. - ras_row (pd.Series): A row from a RAS DataFrame containing scaling factors for reaction bounds. - rxns_ids (list of str): List of reaction IDs to which the scaling factors will be applied. - mediumRxns_ids (list of str): List of reaction IDs in the medium. Their RAS is set to zero, but they are already set in the model. - Returns: - None - """ - for reaction in ras_row.index: - scaling_factor = ras_row[reaction] - if(scaling_factor not in [np.nan, None]): - lower_bound=model.reactions.get_by_id(reaction).lower_bound - upper_bound=model.reactions.get_by_id(reaction).upper_bound - valMax=float((upper_bound)*scaling_factor) - valMin=float((lower_bound)*scaling_factor) - if upper_bound!=0 and lower_bound==0: - model.reactions.get_by_id(reaction).upper_bound=valMax - if upper_bound==0 and lower_bound!=0: - model.reactions.get_by_id(reaction).lower_bound=valMin - if upper_bound!=0 and lower_bound!=0: - model.reactions.get_by_id(reaction).lower_bound=valMin - model.reactions.get_by_id(reaction).upper_bound=valMax - pass - -def process_ras_cell(cellName, ras_row, model, rxns_ids, mediumRxns_ids, output_folder): - """ - Process a single RAS cell, apply bounds, and save the bounds to a CSV file. - - Args: - cellName (str): The name of the RAS cell (used for naming the output file). - ras_row (pd.Series): A row from a RAS DataFrame containing scaling factors for reaction bounds. - model (cobra.Model): The metabolic model to be modified. - rxns_ids (list of str): List of reaction IDs to which the scaling factors will be applied. - mediumRxns_ids (list of str): List of reaction IDs in the medium. Their RAS is set to zero, but they are already set in the model. - output_folder (str): Folder path where the output CSV file will be saved. - - Returns: - None - """ - model_new = model.copy() - apply_ras_bounds(model_new, ras_row, rxns_ids, mediumRxns_ids) - bounds = pd.DataFrame([(rxn.lower_bound, rxn.upper_bound) for rxn in model_new.reactions], index=rxns_ids, columns=["lower_bound", "upper_bound"]) - bounds.to_csv(output_folder + cellName + ".csv", sep='\t', index=True) - pass - -def generate_bounds(model: cobra.Model, medium: dict, ras=None, output_folder='output/') -> pd.DataFrame: - """ - Generate reaction bounds for a metabolic model based on medium conditions and optional RAS adjustments. - - Args: - model (cobra.Model): The metabolic model for which bounds will be generated. - medium (dict): A dictionary where keys are reaction IDs and values are the medium conditions. - ras (pd.DataFrame, optional): RAS pandas dataframe. Defaults to None. - output_folder (str, optional): Folder path where output CSV files will be saved. Defaults to 'output/'. - - Returns: - pd.DataFrame: DataFrame containing the bounds of reactions in the model. - """ - rxns_ids = [rxn.id for rxn in model.reactions] - - # Set medium conditions - for reaction, value in medium.items(): - if value is not None: - ## SOLO ENGRO2 - if(reaction != "EX_thbpt_e" and reaction != "EX_lac__L_e"): - model.reactions.get_by_id(reaction).lower_bound = -float(value) - if(reaction == "EX_lac__L_e"): - model.reactions.get_by_id(reaction).lower_bound = float(0.0) - - mediumRxns_ids = medium.keys() - - # Perform Flux Variability Analysis (FVA) on this medium - df_FVA = cobra.flux_analysis.flux_variability_analysis(model, fraction_of_optimum=0, processes=1).round(8) - - # Set FVA bounds - for reaction in rxns_ids: - model.reactions.get_by_id(reaction).lower_bound = float(df_FVA.loc[reaction, "minimum"]) - model.reactions.get_by_id(reaction).upper_bound = float(df_FVA.loc[reaction, "maximum"]) - - if ras is not None: - #Parallel(n_jobs=cpu_count())(delayed(process_ras_cell)(cellName, ras_row, model, rxns_ids, output_folder) for cellName, ras_row in ras.iterrows()) - for cellName, ras_row in ras.iterrows(): - process_ras_cell(cellName, ras_row, model, rxns_ids, mediumRxns_ids, output_folder) - break #just one cell for testing - else: - model_new = model.copy() - apply_ras_bounds(model_new, pd.Series([1]*len(rxns_ids), index=rxns_ids), rxns_ids, mediumRxns_ids) - bounds = pd.DataFrame([(rxn.lower_bound, rxn.upper_bound) for rxn in model_new.reactions], index=rxns_ids, columns=["lower_bound", "upper_bound"]) - bounds.to_csv(output_folder + "bounds.csv", sep='\t', index=True) - pass - - - -############################# main ########################################### -def main() -> None: - """ - Initializes everything and sets the program in motion based on the fronted input arguments. - - Returns: - None - """ - if not os.path.exists('ras_to_bounds'): - os.makedirs('ras_to_bounds') - - - global ARGS - ARGS = process_args(sys.argv) - - ARGS.output_folder = 'ras_to_bounds/' - - if(ARGS.ras_selector == True): - ras_file_list = ARGS.input_ras.split(",") - ras_file_names = ARGS.name.split(",") - ras_class_names = [] - for file in ras_file_names: - ras_class_names.append(file.split(".")[0]) - ras_list = [] - class_assignments = pd.DataFrame(columns=["Patient_ID", "Class"]) - for ras_matrix, ras_class_name in zip(ras_file_list, ras_class_names): - ras = read_dataset(ras_matrix, "ras dataset") - ras.replace("None", None, inplace=True) - ras.set_index("Reactions", drop=True, inplace=True) - ras = ras.T - ras = ras.astype(float) - ras_list.append(ras) - for patient_id in ras.index: - class_assignments.loc[class_assignments.shape[0]] = [patient_id, ras_class_name] - - - # Concatenate all ras DataFrames into a single DataFrame - ras_combined = pd.concat(ras_list, axis=0) - # Normalize the RAS values by max RAS - ras_combined = ras_combined.div(ras_combined.max(axis=0)) - #ras_combined = ras_combined.fillna(0) - #il ras c'è per tutti o non c'è per nessuno - - - - model_type :utils.Model = ARGS.model_selector - if model_type is utils.Model.Custom: - model = model_type.getCOBRAmodel(customPath = utils.FilePath.fromStrPath(ARGS.model), customExtension = utils.FilePath.fromStrPath(ARGS.model_name).ext) - else: - model = model_type.getCOBRAmodel(toolDir=ARGS.tool_dir) - - if(ARGS.medium_selector == "Custom"): - medium = read_dataset(ARGS.medium, "medium dataset") - medium.set_index(medium.columns[0], inplace=True) - medium = medium.astype(float) - medium = medium[medium.columns[0]].to_dict() - else: - df_mediums = pd.read_csv(ARGS.tool_dir + "/local/medium/medium.csv", index_col = 0) - ARGS.medium_selector = ARGS.medium_selector.replace("_", " ") - medium = df_mediums[[ARGS.medium_selector]] - medium = medium[ARGS.medium_selector].to_dict() - - if(ARGS.ras_selector == True): - generate_bounds(model, medium, ras = ras_combined, output_folder=ARGS.output_folder) - class_assignments.to_csv(ARGS.cell_class, sep = '\t', index = False) - else: - generate_bounds(model, medium, output_folder=ARGS.output_folder) - - pass - -############################################################################## -if __name__ == "__main__": - main() \ No newline at end of file