# Copyright (c) 2020, MD2K Center of Excellence
# - Nasir Ali <nasir.ali08@gmail.com>
# All rights reserved.
#
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# modification, are permitted provided that the following conditions are met:
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# list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
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import os
import yaml
from pathlib import Path
[docs]class ConfigHandler:
[docs] def load_file(self, filepath: str, default_configs=False):
"""
Helper method to load a yaml file
Args:
filepath (str): path to a yml configuration file
"""
with open(filepath, 'r') as ymlfile:
self.config = yaml.safe_load(ymlfile)
if default_configs:
user_home_dir = str(Path.home()) + "/cc_data/"
self.config["filesystem"]["filesystem_path"] = user_home_dir
Path(self.config["filesystem"]["filesystem_path"]).mkdir(parents=True, exist_ok=True)
self.config["sqlite"]["file_path"] = user_home_dir
self.config["cc"]["log_files_path"] = user_home_dir +"logs/"
Path(self.config["cc"]["log_files_path"]).mkdir(parents=True, exist_ok=True)
if "hdfs" in self.config and self.config["hdfs"]["raw_files_dir"]!="" and self.config["hdfs"]["raw_files_dir"][-1] !="/":
self.config["hdfs"]["raw_files_dir"]+="/"
if "filesystem" in self.config and self.config["filesystem"]["filesystem_path"]!="" and self.config["filesystem"]["filesystem_path"][-1] !="/":
self.config["filesystem"]["filesystem_path"]+="/"
if "sqlite" in self.config and self.config["sqlite"]["file_path"]!="" and self.config["sqlite"]["file_path"][-1] !="/":
self.config["sqlite"]["file_path"]+="/"
if "log_files_path" in self.config and self.config["cc"]["log_files_path"]!="" and self.config["cc"]["log_files_path"][-1]!="":
self.config["cc"]["log_files_path"] +="/"
if not os.access(self.config["cc"]["log_files_path"], os.W_OK):
raise Exception(self.config["cc"]["log_files_path"]+" path is not writable. Please check your cerebralcortex.yml configurations for 'log_files_path'.")