Mercurial > repos > bimib > marea_2

changeset 182:f3b0920fe6ce draft

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Uploaded
author luca_milaz
date Tue, 30 Jul 2024 13:56:33 +0000
parents 8aefca7975d9
children ba8dc09cecc7
files marea_2/flux_simulation.py
diffstat 1 files changed, 128 insertions(+), 23 deletions(-) [+]
line wrap: on
line diff
--- a/marea_2/flux_simulation.py	Tue Jul 30 13:53:30 2024 +0000
+++ b/marea_2/flux_simulation.py	Tue Jul 30 13:56:33 2024 +0000
@@ -31,20 +31,21 @@
                         type = str,
                         required = True,
                         help = 'your tool directory')
- 
-
-
-
- 
+    
     parser.add_argument('-in', '--input',
                         required = True,
                         type=str,
-                        help = 'inputs model')
+                        help = 'inputs bounds')
+ 
+    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('-nm', '--name',
-                        required = True,
-                        type=str,
-                        help = 'inputs model ids')
+    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('-a', '--algorithm',
                         type = str,
@@ -105,6 +106,30 @@
 def write_to_file(dataset: pd.DataFrame, name: str, keep_index:bool=False)->None:
     dataset.to_csv(ARGS.output_folder + name + ".csv", sep = '\t', index = keep_index)
 
+############################ 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, index_col=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 OPTGP_sampler(model:cobra.Model, model_name:str, n_samples:int=1000, thinning:int=100, n_batches:int=1, seed:int=0)-> None:
@@ -156,10 +181,13 @@
     pass
 
 
-def model_sampler(model_input:str, model_name:str)-> List[pd.DataFrame]:
+def model_sampler(model_input:cobra.Model, model_name:str)-> List[pd.DataFrame]:
 
-    model_type = utils.Model.Custom
-    model = model_type.getCOBRAmodel(customPath = utils.FilePath.fromStrPath(model_input), customExtension = utils.FilePath.fromStrPath(model_name).ext)
+    
+    bounds_df = read_dataset(model_name, "bounds dataset")
+    for rxn_index, row in bounds_df.iterrows():
+        model_input.reactions.get_by_id(rxn_index).lower_bound = row.lower_bound
+        model_input.reactions.get_by_id(rxn_index).upper_bound = row.upper_bound
 
     utils.logWarning(
         "Sampling model: " + model_name,
@@ -168,17 +196,29 @@
     name = model_name.split('.')[0]
     
     if ARGS.algorithm == 'OPTGP':
-        OPTGP_sampler(model, name, ARGS.n_samples, ARGS.thinning, ARGS.n_batches, ARGS.seed)
+        OPTGP_sampler(model_input, name, ARGS.n_samples, ARGS.thinning, ARGS.n_batches, ARGS.seed)
 
     elif ARGS.algorithm == 'CBS':
-        CBS_sampler(model,  name, ARGS.n_samples, ARGS.n_batches, ARGS.seed)
+        CBS_sampler(model_input,  name, ARGS.n_samples, ARGS.n_batches, ARGS.seed)
 
     df_mean, df_median, df_quantiles = fluxes_statistics(name, ARGS.output_types)
 
     if("fluxes" not in ARGS.output_types):
         os.remove(ARGS.output_folder  +  name + '.csv')
 
-    return df_mean, df_median, df_quantiles
+    returnList = []
+    returnList.append(df_mean, df_median, df_quantiles)
+
+    df_pFBA, df_FVA, df_sensitivity = fluxes_analysis(name, model_name, ARGS.output_type_analysis)
+
+    if("pFBA" in ARGS.output_type_analysis):
+        returnList.append(df_pFBA)
+    if("FVA" in ARGS.output_type_analysis):
+        returnList.append(df_FVA)
+    if("sensitivity" in ARGS.output_type_analysis):
+        returnList.append(df_sensitivity)
+
+    return returnList
 
 def fluxes_statistics(model_name: str,  output_types:List)-> List[pd.DataFrame]:
 
@@ -216,6 +256,48 @@
     
     return df_mean, df_median, df_quantiles
 
+def fluxes_analysis(model:cobra.Model,  model_name:str, output_types:List)-> List[pd.DataFrame]:
+
+    df_pFBA = pd.DataFrame()
+    df_FVA= pd.DataFrame()
+    df_sensitivity= pd.DataFrame()
+
+    df_samples = pd.read_csv(ARGS.output_folder  +  model_name + '.csv', sep = '\t')
+    for output_type in output_types:
+        if(output_type == "pFBA"):
+            model.objective = "Biomass"
+            solution = cobra.flux_analysis.pfba(model)
+            fluxes = solution.fluxes
+            df_pFBA.loc[0,[rxn._id for rxn in model.reactions]] = fluxes.tolist()
+            df_pFBA = df_pFBA.reset_index(drop=True)
+            df_pFBA.index = [model_name]
+            df_pFBA = df_pFBA.astype(float).round(6)
+        elif(output_type == "FVA"):
+            fva = cobra.flux_analysis.flux_variability_analysis(model, fraction_of_optimum=0, processes=1).round(8)
+            columns = []
+            for rxn in fva.index.to_list():
+                columns.append(rxn + "_min")
+                columns.append(rxn + "_max")
+            df_FVA.columns = columns
+            for index_rxn, row in fva.iterrows():
+                df_FVA.loc[0, index_rxn+ "_min"] = fva.loc[index_rxn, "minimum"]
+                df_FVA.loc[0, index_rxn+ "_max"] = fva.loc[index_rxn, "maximum"]
+            df_FVA = df_FVA.reset_index(drop=True)
+            df_FVA.index = [model_name]
+            df_FVA = df_FVA.astype(float).round(6)
+        elif(output_type == "sensitivity"):
+            model.objective = "Biomass"
+            solution_original = model.optimize().objective_value
+            reactions = model.reactions
+            single = cobra.flux_analysis.single_reaction_deletion(model)
+            newRow = []
+            df_sensitivity = pd.DataFrame(columns = [rxn.id for rxn in reactions], index = [model_name])
+            for rxn in reactions:
+                newRow.append(single.knockout[rxn.id].growth.values[0]/solution_original)
+            df_sensitivity.loc[model_name] = newRow
+            df_sensitivity = df_sensitivity.astype(float).round(6)
+    return df_pFBA, df_FVA, df_sensitivity
+
 ############################# main ###########################################
 def main() -> None:
     """
@@ -224,26 +306,32 @@
     Returns:
         None
     """
-    if not os.path.exists('flux_sampling'):
-        os.makedirs('flux_sampling')
+    if not os.path.exists('flux_simulation'):
+        os.makedirs('flux_simulation')
 
     num_processors = cpu_count()
 
     global ARGS
     ARGS = process_args(sys.argv)
 
-    ARGS.output_folder = 'flux_sampling/'
+    ARGS.output_folder = 'flux_simulation/'
     
     utils.logWarning(
         ARGS.output_type,
         ARGS.out_log)
     
-    models_input = ARGS.input.split(",")
-    models_name = ARGS.name.split(",")
+    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)
+    
+    ARGS.bounds = ARGS.input.split(",")
     ARGS.output_types = ARGS.output_type.split(",")
+    ARGS.output_type_analysis = ARGS.output_type_analysis.split(",")
 
- 
-    results = Parallel(n_jobs=num_processors)(delayed(model_sampler)(model_input, model_name) for model_input, model_name in zip(models_input, models_name))
+
+    results = Parallel(n_jobs=num_processors)(delayed(model_sampler)(model_input, model_name) for model_input, model_name in zip(model, ARGS.bounds))
 
     all_mean = pd.concat([result[0] for result in results], ignore_index=False)
     all_median = pd.concat([result[1] for result in results], ignore_index=False)
@@ -263,6 +351,23 @@
         all_quantiles = all_quantiles.fillna(0.0)
         all_quantiles = all_quantiles.sort_index()
         write_to_file(all_quantiles, "quantiles", True)
+
+    index_result = 3
+    if("pFBA" in ARGS.output_type_analysis):
+        all_pFBA = pd.concat([result[index_result] for result in results], ignore_index=False)
+        all_pFBA = all_pFBA.sort_index()
+        write_to_file(all_pFBA, "pFBA", True)
+        index_result+=1
+    if("FVA" in ARGS.output_type_analysis):
+        all_FVA= pd.concat([result[index_result] for result in results], ignore_index=False)
+        all_FVA = all_FVA.sort_index()
+        write_to_file(all_FVA, "FVA", True)
+        index_result+=1
+    if("sensitivity" in ARGS.output_type_analysis):
+        all_sensitivity = pd.concat([result[index_result] for result in results], ignore_index=False)
+        all_sensitivity = all_sensitivity.sort_index()
+        write_to_file(all_sensitivity, "sensitivity", True)
+
     pass
         
 ##############################################################################