A class that takes a folder path and return a list or dictionary with all specific files required

file_parser.py

import os


class FileParser:
    """A class to parse for files or directories in a given directory path"""

    def __init__(self, folder_path) -> None:
        self.folder_path: str = folder_path
        self.all_file_list: list = []
        self.all_dirs_list: list = []
        self.all_specific_files_by_type: dict = {}
        self.all_extensions_list: list = [
            ".json",
            ".xml",
            ".jpg",
            ".png",
            ".py",
            ".txt",
            ".md",
            ".html",
            ".css",
            ".csv",
            ".xlsx",
            ".xls",
            ".pdf",
            ".doc",
            ".docx",
        ]

    def get_all_file_names(self) -> list:
        for root, dirs, files in os.walk(self.folder_path):
            for file in files:
                # append the file name to the list
                self.all_file_list.append(os.path.join(root, file))
        return self.all_file_list

    def get_all_dirs_from_path(self) -> list:
        for root, dirs, files in os.walk(self.folder_path):
            for directory in dirs:
                self.all_dirs_list.append(os.path.join(root, directory))
        return self.all_dirs_list

    def get_specific_file_name(self, file_name: str) -> str or None:
        for root, dirs, files in os.walk(self.folder_path):
            for file in files:
                if file == file_name:
                    return os.path.join(root, file)
        return None

    def get_specific_dir_from_path(self, dir_name: str) -> str or None:
        for root, dirs, files in os.walk(self.folder_path):
            for directory in dirs:
                if directory == dir_name:
                    return os.path.join(root, directory)
        return None

    def get_all_files_by_a_specific_file_type(self, file_type: str) -> list:
        all_files_type: list = []
        for root, dirs, files in os.walk(self.folder_path):
            for file in files:
                if file.endswith(file_type):
                    all_files_type.append(os.path.join(root, file))
        return all_files_type

    def get_all_specific_files_by_all_filetypes(self) -> dict:
        for root, dirs, files in os.walk(self.folder_path):
            for file in files:
                for extension in self.all_extensions_list:
                    if file.endswith(extension):
                        self.all_specific_files_by_type.setdefault(extension.split('.')[1], []).append(
                            os.path.join(root, file)
                        )