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qownnotes-scripts/inbox/md_convert.py
2017-09-13 22:10:38 +04:00

69 lines
3 KiB
Python

import re
import os
import shutil
import subprocess
import urllib.parse
import distutils.version
def html_text(html_text, pandoc_bin='pandoc', pandoc_ver='1.19.1'):
"""
This will convert html_text to markdown by running pandoc_bin and return markdown text
:param html_text: html text to convert
:param pandoc_bin: command/path to run pandoc
:param pandoc_ver: pandoc version as string to use appropriate set of options
:return: converted markdown text
"""
if distutils.version.LooseVersion(pandoc_ver) < distutils.version.LooseVersion('1.16'):
pandoc_args = [pandoc_bin, '-f', 'html', '-t', 'markdown_strict+pipe_tables-raw_html', '--no-wrap']
elif distutils.version.LooseVersion(pandoc_ver) < distutils.version.LooseVersion('1.19'):
pandoc_args = [pandoc_bin, '-f', 'html', '-t', 'markdown_strict+pipe_tables-raw_html', '--wrap=none']
else:
pandoc_args = [pandoc_bin, '-f', 'html', '-t', 'markdown_strict+pipe_tables-raw_html', '--wrap=none',
'--atx-headers']
# Remove firefox reader mode panel if there's one
html_text = re.sub('<ul id="reader-toolbar" class="toolbar">.*</li></ul></ul>', '', html_text, flags=re.DOTALL) ## TODO Maybe use html.parser
try:
pandoc_pipe = subprocess.Popen(pandoc_args, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
md_text = pandoc_pipe.communicate(input=html_text.encode('utf-8'))[0].decode('utf-8')
except:
return
return md_text
def saved_html(html_path, folder_dir_path, pandoc_bin='pandoc', pandoc_ver='1.19.1'):
"""
This will convert html_text to markdown by running pandoc_bin and return markdown text
I will also move all in-line images to media directory at folder_dir_path and correct the links accordingly
:param html_path: full absolute path to saved html file to convert, with '_files' dir at the same directory
:param folder_dir_path: full absolute path to directory where 'media' directory is
:param pandoc_bin: command/path to run installed pandoc
:param pandoc_ver: pandoc version to use appropriate set of options
:return:
"""
with open(html_path, 'r') as html:
md_text = html_text(html.read(), pandoc_bin, pandoc_ver)
if not md_text:
return
image_links = re.findall('!\[[^]]*] *\(([^)]*)', md_text) # TODO What if folder name has brackets
for link in image_links:
link_path_tuple = os.path.split(urllib.parse.unquote(link))
file_path = os.path.join(os.path.dirname(html_path), *link_path_tuple)
new_file_path = os.path.join(folder_dir_path, 'media', *link_path_tuple)
new_link_path = 'file://media/' + '/'.join(link_path_tuple)
md_text = md_text.replace(link, new_link_path)
try:
os.makedirs(os.path.dirname(new_file_path), exist_ok=True)
os.rename(file_path, new_file_path)
except OSError:
pass
shutil.rmtree(os.path.splitext(html_path)[0] + '_files', True)
return md_text