def __init__(self, db_module, keywords):
        """Creates a database.
        """
        # some DB implementaions take optional paramater `driver` to use a specific driver modue
        # but it should not be passed to connect
        keywords.pop('driver', None)

        self.db_module = db_module
        self.keywords = keywords

        
        self._ctx = threadeddict()
        # flag to enable/disable printing queries
        self.printing = config.get('debug_sql', config.get('debug', False))
        self.supports_multiple_insert = False
        
        try:
            import DBUtils
            # enable pooling if DBUtils module is available.
            self.has_pooling = True
        except ImportError:
            self.has_pooling = False
            
        # Pooling can be disabled by passing pooling=False in the keywords.
        self.has_pooling = self.keywords.pop('pooling', True) and self.has_pooling

 def __init__(self, loc='templates/', cache=None, base=None):
     if cache is None:
         cache = not config.get('debug', False)
     self._loc = loc
     if cache:
         self._cache = {}
     else:
         self._cache = False
     
     self._base = base

 def __init__(self, loc='templates', cache=None, base=None, **keywords):
     self._loc = loc
     self._keywords = keywords
     
     if cache or config.get('debug', False):
         self._cache = {}
     else:
         self._cache = None
     
     if base and not hasattr(base, '__call__'):
         # make base a function, so that it can be passed to sub-renders
         self._base = lambda page: self._template(base)(page)
     else:
         self._base = base

    def __init__(self, loc="templates", cache=None, base=None, **keywords):
        self._loc = loc
        self._keywords = keywords

        if cache is None:
            cache = not config.get("debug", False)

        if cache:
            self._cache = {}
        else:
            self._cache = None

        if base and not hasattr(base, "__call__"):
            # make base a function, so that it can be passed to sub-renders
            self._base = lambda page: self._template(base)(page)
        else:
            self._base = base

 def __init__(self, db_module, keywords):
     """Creates a database.
     """
     self.db_module = db_module
     self.keywords = keywords
     
     self._ctx = threadeddict()
     # flag to enable/disable printing queries
     self.printing = config.get('debug', False)
     self.supports_multiple_insert = False
     
     try:
         import DBUtils
         # enable pooling if DBUtils module is available.
         self.has_pooling = True
     except ImportError:
         self.has_pooling = False
         
     # Pooling can be disabled by passing pooling=False in the keywords.
     self.has_pooling = self.keywords.pop('pooling', True) and self.has_pooling