Python configparser模块封装及构造配置文件

[log]
log_path = base_dir/OutPut/log/

[image]
img_path = base_dir/OutPut/image/

[report]
report_path = base_dir/OutPut/report/

[test_case]
test_case_path = base_dir/TestData/case.xlsx

import configparser
import os
import sys

BASE_DIR = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))

if sys.platform == "win32":
  ENV_CONF_DIR = os.path.join(BASE_DIR, 'Common/conf/env_config.ini').replace('/', '\\')
else:
  ENV_CONF_DIR = os.path.join(BASE_DIR, 'Common/conf/env_config.ini')

class Config(object):

  def __init__(self, path):
    self.path = path #配置文件名
    self.cf = configparser.ConfigParser() #创建一个配置文件对象
    self.cf.read(self.path, encoding='utf-8') # 调用配置文件对象的读取方法，并传入一个配置文件名

  def get(self, field, key): # 获取字符串类型的选项值
    result = ""
    try:
      result = self.cf.get(field, key)
    except:
      result = ""
    return result

  def set(self, field, key, value):
    try:
      self.cf.set(field, key, value)
      self.cf.write(open(self.path, 'w'))#创建一个配置文件并将获取到的配置信息使用配置文件对象的写入方法进行写入
    except:
      return False
    return True

def r_config(config_file_path, field, key):
  rf = configparser.ConfigParser()
  try:
    rf.read(config_file_path, encoding='utf-8')
    if sys.platform == "win32":
      result = rf.get(field, key).replace('base_dir', str(BASE_DIR)).replace('/', '\\')
    else:
      result = rf.get(field, key).replace('base_dir', str(BASE_DIR))
  except:
    sys.exit(1)
  return result
def w_config(config_file_path, field, key, value):
  wf = configparser.ConfigParser()
  try:
    wf.read(config_file_path)
    wf.set(field, key, value)
    wf.write(open(config_file_path, 'w'))
  except:
    sys.exit(1)
  return True
if __name__ == '__main__':
  print(r_config(ENV_CONF_DIR, 'log', 'log_path'))
  print(r_config(ENV_CONF_DIR, 'DB', 'database'))