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auxiliary.py
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auxiliary.py
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#!/usr/bin/env python
# coding: utf-8
import pandas as pd
import os
def organizing_input(Reading_file_path):
Chemicals = list()
for file in Reading_file_path:
df_chemicals = pd.read_csv(file, usecols = ['CAS NUMBER'], dtype = {'CAS NUMBER': 'object'})
df_chemicals = df_chemicals.loc[~df_chemicals['CAS NUMBER'].str.contains(r'[A-Z]')]
df_chemicals['CAS NUMBER'] = df_chemicals['CAS NUMBER'].str.replace(r'\-', '')
Chemicals = Chemicals + df_chemicals['CAS NUMBER'].tolist()
del df_chemicals
Chemicals = list(set(Chemicals))
Chemicals.sort()
return Chemicals
def checking_existing_chemicals_in_outfile(File_save, Chemicals):
if os.path.exists(File_save):
df_out = pd.read_csv(File_save,
usecols = ['CAS NUMBER'],
dtype = {'CAS NUMBER': 'object'})
Chemicals = list(set(Chemicals) - set(df_out['CAS NUMBER'].unique().tolist()))
return (True, Chemicals)
else:
return (False, Chemicals)