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Add doku_to_markdown function

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Skia
2017-05-14 03:14:38 +02:00
parent 8c151fa498
commit 862a4619b3
6 changed files with 139 additions and 2 deletions
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68
core/utils.py
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@ -22,6 +22,8 @@
#
#
import re
# Image utils
from io import BytesIO
@ -62,3 +64,69 @@ def exif_auto_rotate(image):
image=image.rotate(90, expand=True)
return image
def doku_to_markdown(text):
text = re.sub(r'([^:]|^)\/\/(.*?)\/\/', r'*\2*', text) # Italic (prevents protocol:// conflict)
text = re.sub(r'<del>(.*?)<\/del>', r'~~\1~~', text, flags=re.DOTALL) # Strike (may be multiline)
text = re.sub(r'<sup>(.*?)<\/sup>', r'^\1^', text) # Superscript (multiline not supported, because almost never used)
text = re.sub(r'<sub>(.*?)<\/sub>', r'_\1_', text) # Subscript (idem)
text = re.sub(r'^======(.*?)======', r'#\1', text, flags=re.MULTILINE) # Titles
text = re.sub(r'^=====(.*?)=====', r'##\1', text, flags=re.MULTILINE)
text = re.sub(r'^====(.*?)====', r'###\1', text, flags=re.MULTILINE)
text = re.sub(r'^===(.*?)===', r'####\1', text, flags=re.MULTILINE)
text = re.sub(r'^==(.*?)==', r'#####\1', text, flags=re.MULTILINE)
text = re.sub(r'^=(.*?)=', r'######\1', text, flags=re.MULTILINE)
text = re.sub(r'<nowiki>', r'<nosyntax>', text)
text = re.sub(r'</nowiki>', r'</nosyntax>', text)
text = re.sub(r'<code>', r'```\n', text)
text = re.sub(r'</code>', r'\n```', text)
text = re.sub(r'article://', r'page://', text)
text = re.sub(r'dfile://', r'file://', text)
i = 1
for fn in re.findall(r'\(\((.*?)\)\)', text): # Footnotes
text = re.sub(r'\(\((.*?)\)\)', r'[^%s]' % i, text, count=1)
text += "\n[^%s]: %s\n" % (i, fn)
i += 1
text = re.sub(r'\\{2,}[\s]', r' \n', text) # Carriage return
text = re.sub(r'\[\[(.*?)(\|(.*?))?\]\]', r'[\3](\1)', text) # Links
text = re.sub(r'{{(.*?)(\|(.*?))?}}', r'![\3](\1 "\3")', text) # Images
text = re.sub(r'{\[(.*?)(\|(.*?))?\]}', r'[\1](\1)', text) # Video (transform to classic links, since we can't integrate them)
text = re.sub(r'###(\d*?)###', r'[[[\1]]]', text) # Progress bar
text = re.sub(r'(\n +[^* -][^\n]*(\n +[^* -][^\n]*)*)', r'```\1\n```', text, flags=re.DOTALL) # Block code without lists
text = re.sub(r'( +)-(.*)', r'1.\2', text) # Ordered lists
new_text = []
quote_level = 0
for line in text.splitlines(): # Tables and quotes
enter = re.finditer(r'\[quote(=(.+?))?\]', line)
quit = re.finditer(r'\[/quote\]', line)
if re.search(r'\A\s*\^(([^\^]*?)\^)*', line): # Table part
line = line.replace('^', '|')
new_text.append("> " * quote_level + line)
new_text.append("> " * quote_level + "|---|") # Don't keep the text alignement in tables it's really too complex for what it's worth
elif enter or quit: # Quote part
for quote in enter: # Enter quotes (support multiple at a time)
quote_level += 1
try:
new_text.append("> " * quote_level + "##### " + quote.group(2))
line = line.replace(quote.group(0), '')
except:
new_text.append("> " * quote_level)
final_quote_level = quote_level # Store quote_level to use at the end, since it will be modified during quit iteration
for quote in quit: # Quit quotes (support multiple at a time)
line = line.replace(quote.group(0), '')
quote_level -= 1
new_text.append("> " * final_quote_level + line) # Finally append the line
else:
new_text.append(line)
return "\n".join(new_text)