text: #!/usr/bin/env python3
  
  import sys
  import os
  
  CCA_HOME = os.getenv('CCA_HOME', '/opt/cca')
  
  LOG_DIR = os.getenv('CCA_LOG_DIR', '/var/log/cca')
  
  PROJECTS_DIR_NAME = 'projects'
  
  _PROJECTS_DIR = os.path.join(CCA_HOME, PROJECTS_DIR_NAME)
  PROJECTS_DIR = os.getenv('CCA_PROJECTS_DIR', _PROJECTS_DIR)
  
  _CONFIGS_DIR = os.path.join(CCA_HOME, 'configs')
  CONFIGS_DIR = os.getenv('CCA_CONFIGS_DIR', _CONFIGS_DIR)
  
  GIT_REPO_BASE = ''
  
  #
  
  VIRTUOSO_DIR = '/opt/virtuoso'
  
  SPARQL_ENDPOINT = 'http://localhost:8890/sparql'
  
  VIRTUOSO_DSN = 'local-virtuoso'
  VIRTUOSO_DRIVER = os.path.join(VIRTUOSO_DIR, 'lib/virtodbcu_r.so')
  VIRTUOSO_HOST = 'localhost'
  VIRTUOSO_PORT = 1111
  VIRTUOSO_USER = 'dba'
  VIRTUOSO_PW = 'cca'
  