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Python Utils

November 1, 2022

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String
- Convert string to snake case
File

String

Convert string to snake case

python

def snake_case(s):
    return '_'.join(
        sub('([A-Z][a-z]+)', r' \1',
            sub('([A-Z]+)', r' \1',
                s.replace('-', ' '))).split()).lower()

File

Find all files in the directory by the specified extension type

python

from glob import glob

def find_files_by_extension(dir_path, extension):
    return glob(path.join(dir_path, "*.{}".format(extension)))

Get file name without the extension

python

from pathlib import Path

def get_file_name_no_extension(path):
    return Path(path).stem

Create file directories if not exists

python

import os

def init_dir_paths():
    for path in [dir_path, processed_dir_path, unprocessed_dir_path]:
        if not os.path.exists(path):
            os.mkdir(path)
            print(f'Create directory {path}')

Extract images from pdf

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