common_utils.py

# Copyright (c) Microsoft Corporation
# All rights reserved.
#
# MIT License
#
# Permission is hereby granted, free of charge,
# to any person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and
# to permit persons to whom the Software is furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
# BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import json
import yaml
import psutil
import socket
from .constants import ERROR_INFO, NORMAL_INFO, WARNING_INFO, COLOR_RED_FORMAT, COLOR_YELLOW_FORMAT

def get_yml_content(file_path):
    '''Load yaml file content'''
    try:
        with open(file_path, 'r') as file:
            return yaml.load(file)
    except TypeError as err:
        print('Error: ', err)
        return None

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: ', err)
        return None

def print_error(content):
    '''Print error information to screen'''
    print(COLOR_RED_FORMAT % (ERROR_INFO % content))

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

def print_warning(content):
    '''Print warning information to screen'''
    print(COLOR_YELLOW_FORMAT % (WARNING_INFO % content))

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