old_contents: import os
  from dmutils.status import enabled_since, get_version_label
  
  
  class Config:
  
      VERSION = get_version_label(
          os.path.abspath(os.path.dirname(__file__))
      )
      DM_SEARCH_API_URL = None
      DM_SEARCH_API_AUTH_TOKEN = None
      DM_API_AUTH_TOKENS = None
      ES_ENABLED = True
      ALLOW_EXPLORER = True
      AUTH_REQUIRED = True
      DM_HTTP_PROTO = 'http'
      # Logging
      DM_LOG_LEVEL = 'DEBUG'
      DM_LOG_PATH = None
      DM_APP_NAME = 'api'
      DM_REQUEST_ID_HEADER = 'DM-Request-ID'
      DM_DOWNSTREAM_REQUEST_ID_HEADER = 'X-Amz-Cf-Id'
  
      # Feature Flags
      RAISE_ERROR_ON_MISSING_FEATURES = True
  
      FEATURE_FLAGS_TRANSACTION_ISOLATION = False
  
      DM_API_SERVICES_PAGE_SIZE = 100
      DM_API_SUPPLIERS_PAGE_SIZE = 100
      DM_API_BRIEFS_PAGE_SIZE = 100
      DM_API_BRIEF_RESPONSES_PAGE_SIZE = 100
      SQLALCHEMY_COMMIT_ON_TEARDOWN = False
      SQLALCHEMY_RECORD_QUERIES = True
      SQLALCHEMY_DATABASE_URI = 'postgresql://localhost/digitalmarketplace'
  
      DM_FAILED_LOGIN_LIMIT = 5
  
      VCAP_SERVICES = None
  
  
  class Test(Config):
      DM_SEARCH_API_AUTH_TOKEN = 'test'
      DM_SEARCH_API_URL = 'http://localhost'
      DEBUG = True
      ES_ENABLED = False
      SQLALCHEMY_DATABASE_URI = 'postgresql://localhost/digitalmarketplace_test'
      DM_API_AUTH_TOKENS = 'myToken'
      DM_API_SERVICES_PAGE_SIZE = 5
      DM_API_SUPPLIERS_PAGE_SIZE = 5
      DM_API_BRIEFS_PAGE_SIZE = 5
      DM_API_BRIEF_RESPONSES_PAGE_SIZE = 5
      FEATURE_FLAGS_TRANSACTION_ISOLATION = enabled_since('2015-08-27')
  
  
  class Development(Config):
      DEBUG = True
  
      DM_API_AUTH_TOKENS = 'myToken'
      DM_SEARCH_API_AUTH_TOKEN = 'myToken'
      DM_SEARCH_API_URL = 'http://localhost:5001'
  
  
  class Live(Config):
      """Base config for deployed environments"""
      DEBUG = False
      ALLOW_EXPLORER = False
      DM_HTTP_PROTO = 'https'
      DM_LOG_PATH = '/var/log/digitalmarketplace/application.log'
  
  
  class Preview(Live):
      FEATURE_FLAGS_TRANSACTION_ISOLATION = enabled_since('2015-08-27')
  
  
  class Staging(Live):
      pass
  
  
  class Production(Live):
      pass
  
  
  configs = {
      'development': Development,
      'test': Test,
  
      'preview': Preview,
      'staging': Staging,
      'production': Production,
  }
  
new_contents: import os
  from dmutils.status import enabled_since, get_version_label
  
  
  class Config:
  
      VERSION = get_version_label(
          os.path.abspath(os.path.dirname(__file__))
      )
      DM_SEARCH_API_URL = None
      DM_SEARCH_API_AUTH_TOKEN = None
      DM_API_AUTH_TOKENS = None
      ES_ENABLED = True
      ALLOW_EXPLORER = True
      AUTH_REQUIRED = True
      DM_HTTP_PROTO = 'http'
      # Logging
      DM_LOG_LEVEL = 'DEBUG'
      DM_LOG_PATH = None
      DM_APP_NAME = 'api'
      DM_REQUEST_ID_HEADER = 'DM-Request-ID'
      DM_DOWNSTREAM_REQUEST_ID_HEADER = 'X-Amz-Cf-Id'
  
      # Feature Flags
      RAISE_ERROR_ON_MISSING_FEATURES = True
  
      FEATURE_FLAGS_TRANSACTION_ISOLATION = False
      FEATURE_FLAGS_NEW_SUPPLIER_FLOW = False
  
      DM_API_SERVICES_PAGE_SIZE = 100
      DM_API_SUPPLIERS_PAGE_SIZE = 100
      DM_API_BRIEFS_PAGE_SIZE = 100
      DM_API_BRIEF_RESPONSES_PAGE_SIZE = 100
      SQLALCHEMY_COMMIT_ON_TEARDOWN = False
      SQLALCHEMY_RECORD_QUERIES = True
      SQLALCHEMY_DATABASE_URI = 'postgresql://localhost/digitalmarketplace'
  
      DM_FAILED_LOGIN_LIMIT = 5
  
      VCAP_SERVICES = None
  
  
  class Test(Config):
      DM_SEARCH_API_AUTH_TOKEN = 'test'
      DM_SEARCH_API_URL = 'http://localhost'
      DEBUG = True
      ES_ENABLED = False
      SQLALCHEMY_DATABASE_URI = 'postgresql://localhost/digitalmarketplace_test'
      DM_API_AUTH_TOKENS = 'myToken'
      DM_API_SERVICES_PAGE_SIZE = 5
      DM_API_SUPPLIERS_PAGE_SIZE = 5
      DM_API_BRIEFS_PAGE_SIZE = 5
      DM_API_BRIEF_RESPONSES_PAGE_SIZE = 5
      FEATURE_FLAGS_TRANSACTION_ISOLATION = enabled_since('2015-08-27')
      FEATURE_FLAGS_NEW_SUPPLIER_FLOW = enabled_since('2016-11-29')
  
  
  class Development(Config):
      DEBUG = True
  
      DM_API_AUTH_TOKENS = 'myToken'
      DM_SEARCH_API_AUTH_TOKEN = 'myToken'
      DM_SEARCH_API_URL = 'http://localhost:5001'
  
      FEATURE_FLAGS_NEW_SUPPLIER_FLOW = enabled_since('2016-11-29')
  
  
  class Live(Config):
      """Base config for deployed environments"""
      DEBUG = False
      ALLOW_EXPLORER = False
      DM_HTTP_PROTO = 'https'
      DM_LOG_PATH = '/var/log/digitalmarketplace/application.log'
  
  
  class Preview(Live):
      FEATURE_FLAGS_TRANSACTION_ISOLATION = enabled_since('2015-08-27')
      FEATURE_FLAGS_NEW_SUPPLIER_FLOW = enabled_since('2016-11-29')
  
  
  class Staging(Live):
      pass
  
  
  class Production(Live):
      pass
  
  
  configs = {
      'development': Development,
      'test': Test,
  
      'preview': Preview,
      'staging': Staging,
      'production': Production,
  }
  
subject: Create feature flag for new supplier flow