topic_modelling / funcs /helper_functions.py
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import os
import re
import pandas as pd
import gradio as gr
import gzip
import pickle
def detect_file_type(filename):
"""Detect the file type based on its extension."""
if (filename.endswith('.csv')) | (filename.endswith('.csv.gz')) | (filename.endswith('.zip')):
return 'csv'
elif filename.endswith('.xlsx'):
return 'xlsx'
elif filename.endswith('.parquet'):
return 'parquet'
elif filename.endswith('.pkl.gz'):
return 'pkl.gz'
else:
raise ValueError("Unsupported file type.")
def read_file(filename):
"""Read the file based on its detected type."""
file_type = detect_file_type(filename)
print("Loading in file")
if file_type == 'csv':
file = pd.read_csv(filename, low_memory=False).reset_index().drop(["index", "Unnamed: 0"], axis=1, errors="ignore")
elif file_type == 'xlsx':
file = pd.read_excel(filename).reset_index().drop(["index", "Unnamed: 0"], axis=1, errors="ignore")
elif file_type == 'parquet':
file = pd.read_parquet(filename).reset_index().drop(["index", "Unnamed: 0"], axis=1, errors="ignore")
elif file_type == 'pkl.gz':
with gzip.open(filename, 'rb') as file:
file = pickle.load(file)
#file = pd.read_pickle(filename)
print("File load complete")
return file
def put_columns_in_df(in_file, in_bm25_column):
'''
When file is loaded, update the column dropdown choices and change 'clean data' dropdown option to 'no'.
'''
file_list = [string.name for string in in_file]
data_file_names = [string.lower() for string in file_list if "npz" not in string.lower()]
data_file_name = data_file_names[0]
new_choices = []
concat_choices = []
df = read_file(data_file_name)
new_choices = list(df.columns)
concat_choices.extend(new_choices)
return gr.Dropdown(choices=concat_choices), gr.Dropdown(choices=concat_choices), df
def get_file_path_end(file_path):
# First, get the basename of the file (e.g., "example.txt" from "/path/to/example.txt")
basename = os.path.basename(file_path)
# Then, split the basename and its extension and return only the basename without the extension
filename_without_extension, _ = os.path.splitext(basename)
#print(filename_without_extension)
return filename_without_extension
def get_file_path_end_with_ext(file_path):
match = re.search(r'(.*[\/\\])?(.+)$', file_path)
filename_end = match.group(2) if match else ''
return filename_end
def dummy_function(in_colnames):
"""
A dummy function that exists just so that dropdown updates work correctly.
"""
return None