ragflow/deepdoc/parser/html_parser.py
黄腾 ede733e130
add support for eml file parser (#1768)
### What problem does this PR solve?

add support for eml file parser
#1363

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: Zhedong Cen <cenzhedong2@126.com>
Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>
2024-08-06 16:42:14 +08:00

45 lines
1.5 KiB
Python

# -*- coding: utf-8 -*-
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from rag.nlp import find_codec
import readability
import html_text
import chardet
def get_encoding(file):
with open(file,'rb') as f:
tmp = chardet.detect(f.read())
return tmp['encoding']
class RAGFlowHtmlParser:
def __call__(self, fnm, binary=None):
txt = ""
if binary:
encoding = find_codec(binary)
txt = binary.decode(encoding, errors="ignore")
else:
with open(fnm, "r",encoding=get_encoding(fnm)) as f:
txt = f.read()
return self.parser_txt(txt)
@classmethod
def parser_txt(cls, txt):
if type(txt) != str:
raise TypeError("txt type should be str!")
html_doc = readability.Document(txt)
title = html_doc.title()
content = html_text.extract_text(html_doc.summary(html_partial=True))
txt = f"{title}\n{content}"
sections = txt.split("\n")
return sections