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a95c1d45f0
### What problem does this PR solve? Support extracting table for markdown file in general parser ### Type of change - [x] New Feature (non-breaking change which adds functionality)
45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
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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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#
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import re
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class RAGFlowMarkdownParser:
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def __init__(self, chunk_token_num=128):
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self.chunk_token_num = int(chunk_token_num)
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def extract_tables_and_remainder(self, markdown_text):
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# Standard Markdown table
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table_pattern = re.compile(
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r'''
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(?:\n|^)
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(?:\|.*?\|.*?\|.*?\n)
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(?:\|(?:\s*[:-]+[-| :]*\s*)\|.*?\n)
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(?:\|.*?\|.*?\|.*?\n)+
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''', re.VERBOSE)
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tables = table_pattern.findall(markdown_text)
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remainder = table_pattern.sub('', markdown_text)
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# Borderless Markdown table
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no_border_table_pattern = re.compile(
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r'''
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(?:\n|^)
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(?:\S.*?\|.*?\n)
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(?:(?:\s*[:-]+[-| :]*\s*).*?\n)
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(?:\S.*?\|.*?\n)+
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''', re.VERBOSE)
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no_border_tables = no_border_table_pattern.findall(remainder)
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tables.extend(no_border_tables)
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remainder = no_border_table_pattern.sub('', remainder)
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return remainder, tables
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