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georgia-tech-db / eva / #758

04 Sep 2023 08:37PM UTC coverage: 0.0% (-78.3%) from 78.333%
#758

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hershd23
Increased underline length in at line 75 in text_summarization.rst
	modified:   docs/source/benchmarks/text_summarization.rst

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/evadb/parser/parser.py
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# coding=utf-8
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# Copyright 2018-2023 EvaDB
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from evadb.parser.lark_parser import LarkParser
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class Parser(object):
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    """
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    Parser based on EvaDB grammar: evadb.lark
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    """
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    _lark_parser = None
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    def __new__(cls):
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        if not hasattr(cls, "_instance"):
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            cls._instance = super(Parser, cls).__new__(cls)
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            cls._instance._initialized = False
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        return cls._instance
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    def __init__(self):
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        if self._initialized:
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            return
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        self._lark_parser = LarkParser()
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        self._initialized = True
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    def parse(self, query_string: str) -> list:
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        lark_output = self._lark_parser.parse(query_string)
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        return lark_output
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