common_utils.py

# Copyright (c) Microsoft Corporation.
# Licensed under the MIT license.

import os
import sys
import json
import socket
import ruamel.yaml as yaml
import psutil
from colorama import Fore

from .constants import ERROR_INFO, NORMAL_INFO, WARNING_INFO

def get_yml_content(file_path):
    '''Load yaml file content'''
    try:
        with open(file_path, 'r') as file:
            return yaml.load(file, Loader=yaml.Loader)
    except yaml.scanner.ScannerError as err:
        print_error('yaml file format error!')
        print_error(err)
        exit(1)
    except Exception as exception:
        print_error(exception)
        exit(1)

def get_json_content(file_path):
    '''Load json file content'''
    try:
        with open(file_path, 'r') as file:
            return json.load(file)
    except TypeError as err:
        print_error('json file format error!')
        print_error(err)
        return None


def print_error(*content):
    '''Print error information to screen'''
    print(Fore.RED + ERROR_INFO + ' '.join([str(c) for c in content]) + Fore.RESET)

def print_green(*content):
    '''Print information to screen in green'''
    print(Fore.GREEN + ' '.join([str(c) for c in content]) + Fore.RESET)

def print_normal(*content):
    '''Print error information to screen'''
    print(NORMAL_INFO, *content)

def print_warning(*content):
    '''Print warning information to screen'''
    print(Fore.YELLOW + WARNING_INFO + ' '.join([str(c) for c in content]) + Fore.RESET)

def detect_process(pid):
    '''Detect if a process is alive'''
    try:
        process = psutil.Process(pid)
        return process.is_running()
    except:
        return False

def detect_port(port):
    '''Detect if the port is used'''
    socket_test = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    try:
        socket_test.connect(('127.0.0.1', int(port)))
        socket_test.close()
        return True
    except:
        return False

def get_user():
    if sys.platform == 'win32':
        return os.environ['USERNAME']
    else:
        return os.environ['USER']

def check_tensorboard_version():
    try:
        import tensorboard
        return tensorboard.__version__
    except:
        print_error('import tensorboard error!')
        exit(1)