Omar Trinidad Gutiérrez Méndez
98a3c4aa37
Addition of `\s*` in some regex in order to have the same behavior as in markmin2html. That is:
# Title
and
#Title
or:
## Title
and
##Title
292 lines
11 KiB
Python
Executable File
292 lines
11 KiB
Python
Executable File
#!/usr/bin/env python
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# created my Massimo Di Pierro
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# license MIT/BSD/GPL
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import re
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import cgi
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import sys
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import doctest
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from optparse import OptionParser
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__all__ = ['render','markmin2latex']
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META = 'META'
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regex_newlines = re.compile('(\n\r)|(\r\n)')
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regex_dd=re.compile('\$\$(?P<latex>.*?)\$\$')
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regex_code = re.compile('('+META+')|(``(?P<t>.*?)``(:(?P<c>\w+))?)',re.S)
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regex_title = re.compile('^#{1} (?P<t>[^\n]+)',re.M)
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regex_maps = [
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(re.compile('[ \t\r]+\n'),'\n'),
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(re.compile('\*\*(?P<t>[^\s\*]+( +[^\s\*]+)*)\*\*'),'{\\\\bf \g<t>}'),
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(re.compile("''(?P<t>[^\s']+( +[^\s']+)*)''"),'{\\it \g<t>}'),
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(re.compile('^#{5,6}\s*(?P<t>[^\n]+)',re.M),'\n\n{\\\\bf \g<t>}\n'),
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(re.compile('^#{4}\s*(?P<t>[^\n]+)',re.M),'\n\n\\\\goodbreak\\subsubsection{\g<t>}\n'),
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(re.compile('^#{3}\s*(?P<t>[^\n]+)',re.M),'\n\n\\\\goodbreak\\subsection{\g<t>}\n'),
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(re.compile('^#{2}\s*(?P<t>[^\n]+)',re.M),'\n\n\\\\goodbreak\\section{\g<t>}\n'),
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(re.compile('^#{1}\s*(?P<t>[^\n]+)',re.M),''),
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(re.compile('^\- +(?P<t>.*)',re.M),'\\\\begin{itemize}\n\\item \g<t>\n\\end{itemize}'),
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(re.compile('^\+ +(?P<t>.*)',re.M),'\\\\begin{itemize}\n\\item \g<t>\n\\end{itemize}'),
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(re.compile('\\\\end\{itemize\}\s+\\\\begin\{itemize\}'),'\n'),
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(re.compile('\n\s+\n'),'\n\n')]
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regex_table = re.compile('^\-{4,}\n(?P<t>.*?)\n\-{4,}(:(?P<c>\w+))?\n',re.M|re.S)
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regex_anchor = re.compile('\[\[(?P<t>\S+)\]\]')
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regex_bibitem = re.compile('\-\s*\[\[(?P<t>\S+)\]\]')
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regex_image_width = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +(?P<p>left|right|center) +(?P<w>\d+px)\]\]')
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regex_image = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +(?P<p>left|right|center)\]\]')
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#regex_video = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +video\]\]')
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#regex_audio = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +audio\]\]')
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regex_link = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+)\]\]')
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regex_auto = re.compile('(?<!["\w])(?P<k>\w+://[\w\.\-\?&%\:]+)',re.M)
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regex_commas = re.compile('[ ]+(?P<t>[,;\.])')
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regex_noindent = re.compile('\n\n(?P<t>[a-z])')
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#regex_quote_left = re.compile('"(?=\w)')
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#regex_quote_right = re.compile('(?=\w\.)"')
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def latex_escape(text,pound=True):
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text=text.replace('\\','{\\textbackslash}')
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for c in '^_&$%{}': text=text.replace(c,'\\'+c)
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text=text.replace('\\{\\textbackslash\\}','{\\textbackslash}')
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if pound: text=text.replace('#','\\#')
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return text
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def render(text,
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extra={},
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allowed={},
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sep='p',
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image_mapper=lambda x:x,
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chapters=False):
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#############################################################
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# replace all blocks marked with ``...``:class with META
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# store them into segments they will be treated as code
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#############################################################
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text = str(text or '')
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segments, i = [], 0
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text = regex_dd.sub('``\g<latex>``:latex ',text)
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text = regex_newlines.sub('\n',text)
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while True:
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item = regex_code.search(text,i)
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if not item: break
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if item.group()==META:
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segments.append((None,None))
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text = text[:item.start()]+META+text[item.end():]
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else:
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c = item.group('c') or ''
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if 'code' in allowed and not c in allowed['code']: c = ''
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code = item.group('t').replace('!`!','`')
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segments.append((code,c))
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text = text[:item.start()]+META+text[item.end():]
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i=item.start()+3
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#############################################################
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# do h1,h2,h3,h4,h5,h6,b,i,ol,ul and normalize spaces
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#############################################################
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title = regex_title.search(text)
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if not title: title='Title'
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else: title=title.group('t')
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text = latex_escape(text,pound=False)
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texts = text.split('## References',1)
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text = regex_anchor.sub('\\label{\g<t>}', texts[0])
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if len(texts)==2:
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text += '\n\\begin{thebibliography}{999}\n'
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text += regex_bibitem.sub('\n\\\\bibitem{\g<t>}', texts[1])
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text += '\n\\end{thebibliography}\n'
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text = '\n'.join(t.strip() for t in text.split('\n'))
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for regex, sub in regex_maps:
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text = regex.sub(sub,text)
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text=text.replace('#','\\#')
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text=text.replace('`',"'")
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#############################################################
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# process tables and blockquotes
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#############################################################
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while True:
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item = regex_table.search(text)
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if not item: break
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c = item.group('c') or ''
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if 'table' in allowed and not c in allowed['table']: c = ''
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content = item.group('t')
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if ' | ' in content:
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rows = content.replace('\n','\\\\\n').replace(' | ',' & ')
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row0,row2 = rows.split('\\\\\n',1)
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cols=row0.count(' & ')+1
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cal='{'+''.join('l' for j in range(cols))+'}'
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tabular = '\\begin{center}\n{\\begin{tabular}'+cal+'\\hline\n' + row0+'\\\\ \\hline\n'+row2 + ' \\\\ \\hline\n\\end{tabular}}\n\\end{center}'
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if row2.count('\n')>20: tabular='\\newpage\n'+tabular
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text = text[:item.start()] + tabular + text[item.end():]
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else:
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text = text[:item.start()] + '\\begin{quote}' + content + '\\end{quote}' + text[item.end():]
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#############################################################
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# deal with images, videos, audios and links
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#############################################################
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def sub(x):
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f=image_mapper(x.group('k'))
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if not f: return None
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return '\n\\begin{center}\\includegraphics[width=8cm]{%s}\\end{center}\n' % (f)
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text = regex_image_width.sub(sub,text)
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text = regex_image.sub(sub,text)
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text = regex_link.sub('{\\\\footnotesize\\href{\g<k>}{\g<t>}}', text)
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text = regex_commas.sub('\g<t>',text)
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text = regex_noindent.sub('\n\\\\noindent \g<t>',text)
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### fix paths in images
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regex=re.compile('\\\\_\w*\.(eps|png|jpg|gif)')
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while True:
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match=regex.search(text)
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if not match: break
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text=text[:match.start()]+text[match.start()+1:]
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#text = regex_quote_left.sub('``',text)
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#text = regex_quote_right.sub("''",text)
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if chapters:
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text=text.replace(r'\section*{',r'\chapter*{')
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text=text.replace(r'\section{',r'\chapter{')
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text=text.replace(r'subsection{',r'section{')
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#############################################################
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# process all code text
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#############################################################
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parts = text.split(META)
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text = parts[0]
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authors = []
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for i,(code,b) in enumerate(segments):
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if code==None:
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html = META
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else:
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if b=='hidden':
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html=''
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elif b=='author':
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author = latex_escape(code.strip())
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authors.append(author)
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html=''
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elif b=='inxx':
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html='\inxx{%s}' % latex_escape(code)
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elif b=='cite':
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html='~\cite{%s}' % latex_escape(code.strip())
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elif b=='ref':
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html='~\ref{%s}' % latex_escape(code.strip())
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elif b=='latex':
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if '\n' in code:
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html='\n\\begin{equation}\n%s\n\\end{equation}\n' % code.strip()
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else:
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html='$%s$' % code.strip()
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elif b=='latex_eqnarray':
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code=code.strip()
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code='\\\\'.join(x.replace('=','&=&',1) for x in code.split('\\\\'))
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html='\n\\begin{eqnarray}\n%s\n\\end{eqnarray}\n' % code
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elif b.startswith('latex_'):
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key=b[6:]
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html='\\begin{%s}%s\\end{%s}' % (key,code,key)
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elif b in extra:
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if code[:1]=='\n': code=code[1:]
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if code[-1:]=='\n': code=code[:-1]
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html = extra[b](code)
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elif code[:1]=='\n' or code[:-1]=='\n':
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if code[:1]=='\n': code=code[1:]
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if code[-1:]=='\n': code=code[:-1]
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if code.startswith('<') or code.startswith('{{') or code.startswith('http'):
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html = '\\begin{lstlisting}[keywords={}]\n%s\n\\end{lstlisting}' % code
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else:
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html = '\\begin{lstlisting}\n%s\n\\end{lstlisting}' % code
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else:
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if code[:1]=='\n': code=code[1:]
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if code[-1:]=='\n': code=code[:-1]
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html = '{\\ft %s}' % latex_escape(code)
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try:
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text = text+html+parts[i+1]
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except:
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text = text + '... WIKI PROCESSING ERROR ...'
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break
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text = text.replace(' ~\\cite','~\\cite')
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return text, title, authors
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WRAPPER = """
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\\documentclass[12pt]{article}
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\\usepackage{hyperref}
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\\usepackage{listings}
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\\usepackage{upquote}
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\\usepackage{color}
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\\usepackage{graphicx}
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\\usepackage{grffile}
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\\usepackage[utf8x]{inputenc}
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\\definecolor{lg}{rgb}{0.9,0.9,0.9}
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\\definecolor{dg}{rgb}{0.3,0.3,0.3}
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\\def\\ft{\\small\\tt}
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\\lstset{
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basicstyle=\\footnotesize,
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breaklines=true, basicstyle=\\ttfamily\\color{black}\\footnotesize,
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keywordstyle=\\bf\\ttfamily,
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commentstyle=\\it\\ttfamily,
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stringstyle=\\color{dg}\\it\\ttfamily,
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numbers=left, numberstyle=\\color{dg}\\tiny, stepnumber=1, numbersep=5pt,
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backgroundcolor=\\color{lg}, tabsize=4, showspaces=false,
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showstringspaces=false
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}
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\\title{%(title)s}
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\\author{%(author)s}
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\\begin{document}
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\\maketitle
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\\tableofcontents
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\\newpage
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%(body)s
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\\end{document}
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"""
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def markmin2latex(data, image_mapper=lambda x:x, extra={},
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wrapper=WRAPPER):
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body, title, authors = render(data, extra=extra, image_mapper=image_mapper)
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author = '\n\\and\n'.join(a.replace('\n','\\\\\n\\footnotesize ') for a in authors)
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return wrapper % dict(title=title, author=author, body=body)
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if __name__ == '__main__':
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parser = OptionParser()
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parser.add_option("-i", "--info", dest="info",
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help="markmin help")
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parser.add_option("-t", "--test", dest="test", action="store_true",
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default=False)
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parser.add_option("-n", "--no_wrapper", dest="no_wrapper",
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action="store_true",default=False)
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parser.add_option("-c", "--chapters", dest="chapters",action="store_true",
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default=False,help="switch section for chapter")
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parser.add_option("-w", "--wrapper", dest="wrapper", default=False,
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help="latex file containing header and footer")
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(options, args) = parser.parse_args()
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if options.info:
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import markmin2html
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markmin2latex(markmin2html.__doc__)
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elif options.test:
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doctest.testmod()
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else:
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if options.wrapper:
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fwrapper = open(options.wrapper,'rb')
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try:
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wrapper = fwrapper.read()
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finally:
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fwrapper.close()
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elif options.no_wrapper:
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wrapper = '%(body)s'
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else:
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wrapper = WRAPPER
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for f in args:
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fargs = open(f,'r')
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content_data = []
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try:
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content_data.append(fargs.read())
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finally:
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fargs.close()
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content = '\n'.join(content_data)
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output= markmin2latex(content,
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wrapper=wrapper,
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chapters=options.chapters)
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print output
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