class_docstr: A hand-written query parser built on modular plug-ins. The default
  configuration implements a powerful fielded query language similar to
  Lucene's.
  
  You can use the ``plugins`` argument when creating the object to override
  the default list of plug-ins, and/or use ``add_plugin()`` and/or
  ``remove_plugin_class()`` to change the plug-ins included in the parser.
  
  >>> from whoosh import qparser
  >>> parser = qparser.QueryParser("content", schema)
  >>> parser.remove_plugin_class(qparser.WildcardPlugin)
  >>> parser.add_plugin(qparser.PrefixPlugin())
  >>> parser.parse(u"hello there")
  And([Term("content", u"hello"), Term("content", u"there")])
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docstr: Returns the default list of plugins to use.
          
docstr_tok: ["Returns","the","default","list","of","plugins","to","use","."]
code: def default_set(self):
      """Returns the default list of plugins to use."""
  
      from whoosh.qparser import plugins
  
      return [
          plugins.WhitespacePlugin(),
          plugins.SingleQuotePlugin(),
          plugins.FieldsPlugin(),
          plugins.WildcardPlugin(),
          plugins.PhrasePlugin(),
          plugins.RangePlugin(),
          plugins.GroupPlugin(),
          plugins.OperatorsPlugin(),
          plugins.BoostPlugin(),
          plugins.EveryPlugin(),
      ]
  
imports: import sys
  from whoosh import query
  from whoosh.compat import text_type
  from whoosh.qparser import syntax
  from whoosh.qparser.common import print_debug, QueryParserError
label_desc: Use image node_id 2 for calling the QueryParser obj's underlying member method code with example usage: obj.default_set() and returns: list