73 lines
1.5 KiB
Plaintext
73 lines
1.5 KiB
Plaintext
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Markdown to Aegea blog engine converter
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# Author: Artem Sapegin (sapegin.me)
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#
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import sys
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import os
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import re
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import cgi
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def main():
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filename = sys.argv[1]
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if not filename:
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sys.exit('Usage: %s <filename>' % os.path.basename(__file__))
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try:
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file = open(filename, 'r')
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except IOError:
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return []
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print(process(file.read()))
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def process(text):
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# Preserve code blocks
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blocks = {}
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def store_code_blocks(m):
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key = r'<%s>' % (len(blocks))
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value = [m.group(1), m.group(2)]
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blocks[key] = value
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return key
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text = re.sub(r'```(\w+)\n([\w\W]+?)\n```', store_code_blocks, text)
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# Process lines
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lines = text.split('\n')
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new_lines = []
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for line in lines:
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new_lines.append(process_line(line))
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text = '\n'.join(new_lines)
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# Restore and convert code blocks
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for key, value in blocks.items():
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code = value[1]
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code = cgi.escape(code)
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value = r'<pre><code class="language-%s">%s</code></pre>' % (value[0], code)
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text = text.replace(key, value)
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return text
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def process_line(line):
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line = re.sub(r'#(#+) ', r'\1 ', line) # Increase headings level
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line = re.sub(r'\*\*([^*]+)\*\*', r'__\1__', line) # Escape bold
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line = re.sub(r'\*([^*]+)\*', r'//\1//', line) # Italic
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line = re.sub(r'__[^_]__', r'**\1**', line) # Restore bold
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line = re.sub(r'\[([^\]]+)\]\(([^\)]+)\)', r'[[\2 \1]]', line) # Link
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line = re.sub(r'`([^`]+)`', r'\1', line) # Remove inline code blocks
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return line
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if __name__ == '__main__':
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main()
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