old_contents: import os
  import logging
  
  
  
  ONLINE_TIME = 5  # minutes
  
  
  # MAX_PING is the most a client may ping
  if os.environ.get("DATASERV_MAX_PING"):
      MAX_PING = int(os.environ.get("DATASERV_MAX_PING"))
  else:
      MAX_PING = 60  # default seconds
  
  
  # db setup
  # example `export DATASERV_DATABASE_URI="postgresql:///dataserv"`
  if os.environ.get("DATASERV_DATABASE_URI"):
      SQLALCHEMY_DATABASE_URI = os.environ.get("DATASERV_DATABASE_URI")
  else:  # default to sqlite
      SQLALCHEMY_DATABASE_URI = "sqlite:///dataserv.db"
  
  
  DATA_DIR = 'data/'
  BYTE_SIZE = 1024*1024*128  # 128 MB FIXME rename, very confusing name
  HEIGHT_LIMIT = 200000  # around 25 TB
  
  ADDRESS = "16ZcxFDdkVJR1P8GMNmWFyhS4EKrRMsWNG"  # unique per server address
  AUTHENTICATION_TIMEOUT = 20  # seconds
  SKIP_AUTHENTICATION = False  # only for testing
  
  _log_format = "%(asctime)s %(levelname)s %(name)s %(lineno)d: %(message)s"
  logging.basicConfig(format=_log_format, filename='dataserv.log',
                      level=logging.DEBUG)
  TOTAL_UPDATE = 30  # minutes
  
  DISABLE_CACHING = False
  CACHING_TIME = 30  # seconds
  
new_contents: import os
  import logging
  
  
  
  ONLINE_TIME = 5  # minutes
  
  
  # MAX_PING is the most a client may ping
  if os.environ.get("DATASERV_MAX_PING"):
      MAX_PING = int(os.environ.get("DATASERV_MAX_PING"))
  else:
      MAX_PING = 60  # default seconds
  
  
  # db setup
  # example `export DATASERV_DATABASE_URI="postgresql:///dataserv"`
  if os.environ.get("DATASERV_DATABASE_URI"):
      SQLALCHEMY_DATABASE_URI = os.environ.get("DATASERV_DATABASE_URI")
  else:  # default to sqlite
      SQLALCHEMY_DATABASE_URI = "sqlite:///dataserv.db"
  
  
  DATA_DIR = 'data/'
  BYTE_SIZE = 1024*1024*128  # 128 MB FIXME rename, very confusing name
  HEIGHT_LIMIT = 200000  # around 25 TB
  
  ADDRESS = "16ZcxFDdkVJR1P8GMNmWFyhS4EKrRMsWNG"  # unique per server address
  AUTHENTICATION_TIMEOUT = 20  # seconds
  SKIP_AUTHENTICATION = False  # only for testing
  
  _log_format = "%(asctime)s %(levelname)s %(name)s %(lineno)d: %(message)s"
  logging.basicConfig(format=_log_format, filename='dataserv.log',
                      level=logging.DEBUG)
  TOTAL_UPDATE = 30  # minutes
  
  if os.environ.get("DATASERV_CACHING_TIME"):
      CACHING_TIME = int(os.environ.get("DATASERV_CACHING_TIME"))
  else:
      CACHING_TIME = 30  # seconds
      
  DISABLE_CACHING = not bool(CACHING_TIME)
  
subject: disable caching for dataserv-client unit test