code: def find_company(cmp_id=None, cmp_name=None):
          
          LOGGER.debug("CompanyService.find_company")
          if (cmp_id is None or not cmp_id) and (cmp_name is None or not cmp_name):
              raise exceptions.ArianeCallParametersError('id and name')
  
          if (cmp_id is not None and cmp_id) and (cmp_name is not None and cmp_name):
              LOGGER.warn('CompanyService.find_company - Both id and name are defined. Will give you search on id.')
              cmp_name = None
  
          params = None
          if cmp_id is not None and cmp_id:
              params = {'id': cmp_id}
          elif cmp_name is not None and cmp_name:
              params = {'name': cmp_name}
  
          ret = None
          if params is not None:
              args = {'http_operation': 'GET', 'operation_path': 'get', 'parameters': params}
              response = CompanyService.requester.call(args)
              if response.rc == 0:
                  ret = Company.json_2_company(response.response_content)
              elif response.rc != 404:
                  err_msg = 'CompanyService.find_company - Problem while finding company (id:' + str(cmp_id) + \
                            ', name:' + str(cmp_name) + '). ' + \
                            'Reason: ' + str(response.response_content) + '-' + str(response.error_message) + \
                            " (" + str(response.rc) + ")"
                  LOGGER.warning(
                      err_msg
                  )
  
          return ret
docs: find the company according company id (prioritary) or company name
          :param cmp_id: the company id
          :param cmp_name: the company name
          :return: found company or None if not found