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Enhance markmin2latex.py PEP8

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Hardirc
2016-04-10 09:34:29 -04:00
parent 8ef04ac425
commit 59a194842d
1 changed files with 138 additions and 117 deletions
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255
gluon/contrib/markmin/markmin2latex.py
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@@ -7,53 +7,57 @@ import sys
import doctest
from optparse import OptionParser
__all__ = ['render','markmin2latex']
__all__ = ['render', 'markmin2latex']
META = 'META'
regex_newlines = re.compile('(\n\r)|(\r\n)')
regex_dd=re.compile('\$\$(?P<latex>.*?)\$\$')
regex_code = re.compile('('+META+')|(``(?P<t>.*?)``(:(?P<c>\w+))?)',re.S)
regex_title = re.compile('^#{1} (?P<t>[^\n]+)',re.M)
regex_dd = re.compile('\$\$(?P<latex>.*?)\$\$')
regex_code = re.compile('(' + META + ')|(``(?P<t>.*?)``(:(?P<c>\w+))?)', re.S)
regex_title = re.compile('^#{1} (?P<t>[^\n]+)', re.M)
regex_maps = [
(re.compile('[ \t\r]+\n'),'\n'),
(re.compile('\*\*(?P<t>[^\s\*]+( +[^\s\*]+)*)\*\*'),'{\\\\bf \g<t>}'),
(re.compile("''(?P<t>[^\s']+( +[^\s']+)*)''"),'{\\it \g<t>}'),
(re.compile('^#{5,6}\s*(?P<t>[^\n]+)',re.M),'\n\n{\\\\bf \g<t>}\n'),
(re.compile('^#{4}\s*(?P<t>[^\n]+)',re.M),'\n\n\\\\goodbreak\\subsubsection{\g<t>}\n'),
(re.compile('^#{3}\s*(?P<t>[^\n]+)',re.M),'\n\n\\\\goodbreak\\subsection{\g<t>}\n'),
(re.compile('^#{2}\s*(?P<t>[^\n]+)',re.M),'\n\n\\\\goodbreak\\section{\g<t>}\n'),
(re.compile('^#{1}\s*(?P<t>[^\n]+)',re.M),''),
(re.compile('^\- +(?P<t>.*)',re.M),'\\\\begin{itemize}\n\\item \g<t>\n\\end{itemize}'),
(re.compile('^\+ +(?P<t>.*)',re.M),'\\\\begin{itemize}\n\\item \g<t>\n\\end{itemize}'),
(re.compile('\\\\end\{itemize\}\s+\\\\begin\{itemize\}'),'\n'),
(re.compile('\n\s+\n'),'\n\n')]
regex_table = re.compile('^\-{4,}\n(?P<t>.*?)\n\-{4,}(:(?P<c>\w+))?\n',re.M|re.S)
(re.compile('[ \t\r]+\n'), '\n'),
(re.compile('\*\*(?P<t>[^\s\*]+( +[^\s\*]+)*)\*\*'), '{\\\\bf \g<t>}'),
(re.compile("''(?P<t>[^\s']+( +[^\s']+)*)''"), '{\\it \g<t>}'),
(re.compile('^#{5,6}\s*(?P<t>[^\n]+)', re.M), '\n\n{\\\\bf \g<t>}\n'),
(re.compile('^#{4}\s*(?P<t>[^\n]+)', re.M), '\n\n\\\\goodbreak\\subsubsection{\g<t>}\n'),
(re.compile('^#{3}\s*(?P<t>[^\n]+)', re.M), '\n\n\\\\goodbreak\\subsection{\g<t>}\n'),
(re.compile('^#{2}\s*(?P<t>[^\n]+)', re.M), '\n\n\\\\goodbreak\\section{\g<t>}\n'),
(re.compile('^#{1}\s*(?P<t>[^\n]+)', re.M), ''),
(re.compile('^\- +(?P<t>.*)', re.M), '\\\\begin{itemize}\n\\item \g<t>\n\\end{itemize}'),
(re.compile('^\+ +(?P<t>.*)', re.M), '\\\\begin{itemize}\n\\item \g<t>\n\\end{itemize}'),
(re.compile('\\\\end\{itemize\}\s+\\\\begin\{itemize\}'), '\n'),
(re.compile('\n\s+\n'), '\n\n')]
regex_table = re.compile('^\-{4,}\n(?P<t>.*?)\n\-{4,}(:(?P<c>\w+))?\n', re.M | re.S)
regex_anchor = re.compile('\[\[(?P<t>\S+)\]\]')
regex_bibitem = re.compile('\-\s*\[\[(?P<t>\S+)\]\]')
regex_image_width = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +(?P<p>left|right|center) +(?P<w>\d+px)\]\]')
regex_image = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +(?P<p>left|right|center)\]\]')
#regex_video = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +video\]\]')
#regex_audio = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +audio\]\]')
# regex_video = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +video\]\]')
# regex_audio = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+) +audio\]\]')
regex_link = re.compile('\[\[(?P<t>[^\]]*?) +(?P<k>\S+)\]\]')
regex_auto = re.compile('(?<!["\w])(?P<k>\w+://[\w\.\-\?&%\:]+)',re.M)
regex_auto = re.compile('(?<!["\w])(?P<k>\w+://[\w\.\-\?&%\:]+)', re.M)
regex_commas = re.compile('[ ]+(?P<t>[,;\.])')
regex_noindent = re.compile('\n\n(?P<t>[a-z])')
#regex_quote_left = re.compile('"(?=\w)')
#regex_quote_right = re.compile('(?=\w\.)"')
def latex_escape(text,pound=True):
text=text.replace('\\','{\\textbackslash}')
for c in '^_&$%{}': text=text.replace(c,'\\'+c)
text=text.replace('\\{\\textbackslash\\}','{\\textbackslash}')
if pound: text=text.replace('#','\\#')
# regex_quote_left = re.compile('"(?=\w)')
# regex_quote_right = re.compile('(?=\w\.)"')
def latex_escape(text, pound=True):
text = text.replace('\\', '{\\textbackslash}')
for c in '^_&$%{}':
text = text.replace(c, '\\' + c)
text = text.replace('\\{\\textbackslash\\}', '{\\textbackslash}')
if pound: text = text.replace('#', '\\#')
return text
def render(text,
extra={},
allowed={},
sep='p',
image_mapper=lambda x:x,
image_mapper=lambda x: x,
chapters=False):
#############################################################
# replace all blocks marked with ``...``:class with META
@@ -61,62 +65,68 @@ def render(text,
#############################################################
text = str(text or '')
segments, i = [], 0
text = regex_dd.sub('``\g<latex>``:latex ',text)
text = regex_newlines.sub('\n',text)
text = regex_dd.sub('``\g<latex>``:latex ', text)
text = regex_newlines.sub('\n', text)
while True:
item = regex_code.search(text,i)
if not item: break
if item.group()==META:
segments.append((None,None))
text = text[:item.start()]+META+text[item.end():]
item = regex_code.search(text, i)
if not item:
break
if item.group() == META:
segments.append((None, None))
text = text[:item.start()] + META + text[item.end():]
else:
c = item.group('c') or ''
if 'code' in allowed and not c in allowed['code']: c = ''
code = item.group('t').replace('!`!','`')
segments.append((code,c))
text = text[:item.start()]+META+text[item.end():]
i=item.start()+3
if 'code' in allowed and c not in allowed['code']:
c = ''
code = item.group('t').replace('!`!', '`')
segments.append((code, c))
text = text[:item.start()] + META + text[item.end():]
i = item.start() + 3
#############################################################
# do h1,h2,h3,h4,h5,h6,b,i,ol,ul and normalize spaces
#############################################################
title = regex_title.search(text)
if not title: title='Title'
else: title=title.group('t')
if not title:
title = 'Title'
else:
title = title.group('t')
text = latex_escape(text,pound=False)
text = latex_escape(text, pound=False)
texts = text.split('## References',1)
texts = text.split('## References', 1)
text = regex_anchor.sub('\\label{\g<t>}', texts[0])
if len(texts)==2:
if len(texts) == 2:
text += '\n\\begin{thebibliography}{999}\n'
text += regex_bibitem.sub('\n\\\\bibitem{\g<t>}', texts[1])
text += '\n\\end{thebibliography}\n'
text = '\n'.join(t.strip() for t in text.split('\n'))
for regex, sub in regex_maps:
text = regex.sub(sub,text)
text=text.replace('#','\\#')
text=text.replace('`',"'")
text = regex.sub(sub, text)
text = text.replace('#', '\\#')
text = text.replace('`', "'")
#############################################################
# process tables and blockquotes
#############################################################
while True:
item = regex_table.search(text)
if not item: break
if not item:
break
c = item.group('c') or ''
if 'table' in allowed and not c in allowed['table']: c = ''
if 'table' in allowed and c not in allowed['table']:
c = ''
content = item.group('t')
if ' | ' in content:
rows = content.replace('\n','\\\\\n').replace(' | ',' & ')
row0,row2 = rows.split('\\\\\n',1)
cols=row0.count(' & ')+1
cal='{'+''.join('l' for j in range(cols))+'}'
tabular = '\\begin{center}\n{\\begin{tabular}'+cal+'\\hline\n' + row0+'\\\\ \\hline\n'+row2 + ' \\\\ \\hline\n\\end{tabular}}\n\\end{center}'
if row2.count('\n')>20: tabular='\\newpage\n'+tabular
rows = content.replace('\n', '\\\\\n').replace(' | ', ' & ')
row0, row2 = rows.split('\\\\\n', 1)
cols = row0.count(' & ') + 1
cal = '{' + ''.join('l' for j in range(cols)) + '}'
tabular = '\\begin{center}\n{\\begin{tabular}' + cal + '\\hline\n' + row0 + '\\\\ \\hline\n' + row2 + ' \\\\ \\hline\n\\end{tabular}}\n\\end{center}'
if row2.count('\n') > 20:
tabular = '\\newpage\n' + tabular
text = text[:item.start()] + tabular + text[item.end():]
else:
text = text[:item.start()] + '\\begin{quote}' + content + '\\end{quote}' + text[item.end():]
@@ -126,29 +136,32 @@ def render(text,
#############################################################
def sub(x):
f=image_mapper(x.group('k'))
if not f: return None
return '\n\\begin{center}\\includegraphics[width=8cm]{%s}\\end{center}\n' % (f)
text = regex_image_width.sub(sub,text)
text = regex_image.sub(sub,text)
f = image_mapper(x.group('k'))
if not f:
return None
return '\n\\begin{center}\\includegraphics[width=8cm]{%s}\\end{center}\n' % f
text = regex_image_width.sub(sub, text)
text = regex_image.sub(sub, text)
text = regex_link.sub('{\\\\footnotesize\\href{\g<k>}{\g<t>}}', text)
text = regex_commas.sub('\g<t>',text)
text = regex_noindent.sub('\n\\\\noindent \g<t>',text)
text = regex_commas.sub('\g<t>', text)
text = regex_noindent.sub('\n\\\\noindent \g<t>', text)
### fix paths in images
regex=re.compile('\\\\_\w*\.(eps|png|jpg|gif)')
# ## fix paths in images
regex = re.compile('\\\\_\w*\.(eps|png|jpg|gif)')
while True:
match=regex.search(text)
if not match: break
text=text[:match.start()]+text[match.start()+1:]
#text = regex_quote_left.sub('``',text)
#text = regex_quote_right.sub("''",text)
match = regex.search(text)
if not match:
break
text = text[:match.start()] + text[match.start() + 1:]
# text = regex_quote_left.sub('``',text)
# text = regex_quote_right.sub("''",text)
if chapters:
text=text.replace(r'\section*{',r'\chapter*{')
text=text.replace(r'\section{',r'\chapter{')
text=text.replace(r'subsection{',r'section{')
text = text.replace(r'\section*{', r'\chapter*{')
text = text.replace(r'\section{', r'\chapter{')
text = text.replace(r'subsection{', r'section{')
#############################################################
# process all code text
@@ -156,57 +169,64 @@ def render(text,
parts = text.split(META)
text = parts[0]
authors = []
for i,(code,b) in enumerate(segments):
if code==None:
for i, (code, b) in enumerate(segments):
if code is None:
html = META
else:
if b=='hidden':
html=''
elif b=='author':
if b == 'hidden':
html = ''
elif b == 'author':
author = latex_escape(code.strip())
authors.append(author)
html=''
elif b=='inxx':
html='\inxx{%s}' % latex_escape(code)
elif b=='cite':
html='~\cite{%s}' % latex_escape(code.strip())
elif b=='ref':
html='~\ref{%s}' % latex_escape(code.strip())
elif b=='latex':
html = ''
elif b == 'inxx':
html = '\inxx{%s}' % latex_escape(code)
elif b == 'cite':
html = '~\cite{%s}' % latex_escape(code.strip())
elif b == 'ref':
html = '~\ref{%s}' % latex_escape(code.strip())
elif b == 'latex':
if '\n' in code:
html='\n\\begin{equation}\n%s\n\\end{equation}\n' % code.strip()
html = '\n\\begin{equation}\n%s\n\\end{equation}\n' % code.strip()
else:
html='$%s$' % code.strip()
elif b=='latex_eqnarray':
code=code.strip()
code='\\\\'.join(x.replace('=','&=&',1) for x in code.split('\\\\'))
html='\n\\begin{eqnarray}\n%s\n\\end{eqnarray}\n' % code
html = '$%s$' % code.strip()
elif b == 'latex_eqnarray':
code = code.strip()
code = '\\\\'.join(x.replace('=', '&=&', 1) for x in code.split('\\\\'))
html = '\n\\begin{eqnarray}\n%s\n\\end{eqnarray}\n' % code
elif b.startswith('latex_'):
key=b[6:]
html='\\begin{%s}%s\\end{%s}' % (key,code,key)
key = b[6:]
html = '\\begin{%s}%s\\end{%s}' % (key, code, key)
elif b in extra:
if code[:1]=='\n': code=code[1:]
if code[-1:]=='\n': code=code[:-1]
if code[:1] == '\n':
code = code[1:]
if code[-1:] == '\n':
code = code[:-1]
html = extra[b](code)
elif code[:1]=='\n' or code[:-1]=='\n':
if code[:1]=='\n': code=code[1:]
if code[-1:]=='\n': code=code[:-1]
elif code[:1] == '\n' or code[:-1] == '\n':
if code[:1] == '\n':
code = code[1:]
if code[-1:] == '\n':
code = code[:-1]
if code.startswith('<') or code.startswith('{{') or code.startswith('http'):
html = '\\begin{lstlisting}[keywords={}]\n%s\n\\end{lstlisting}' % code
else:
html = '\\begin{lstlisting}\n%s\n\\end{lstlisting}' % code
else:
if code[:1]=='\n': code=code[1:]
if code[-1:]=='\n': code=code[:-1]
if code[:1] == '\n':
code = code[1:]
if code[-1:] == '\n':
code = code[:-1]
html = '{\\ft %s}' % latex_escape(code)
try:
text = text+html+parts[i+1]
text = text + html + parts[i + 1]
except:
text = text + '... WIKI PROCESSING ERROR ...'
break
text = text.replace(' ~\\cite','~\\cite')
text = text.replace(' ~\\cite', '~\\cite')
return text, title, authors
WRAPPER = """
\\documentclass[12pt]{article}
\\usepackage{hyperref}
@@ -239,12 +259,14 @@ WRAPPER = """
\\end{document}
"""
def markmin2latex(data, image_mapper=lambda x:x, extra={},
def markmin2latex(data, image_mapper=lambda x: x, extra={},
wrapper=WRAPPER):
body, title, authors = render(data, extra=extra, image_mapper=image_mapper)
author = '\n\\and\n'.join(a.replace('\n','\\\\\n\\footnotesize ') for a in authors)
author = '\n\\and\n'.join(a.replace('\n', '\\\\\n\\footnotesize ') for a in authors)
return wrapper % dict(title=title, author=author, body=body)
if __name__ == '__main__':
parser = OptionParser()
parser.add_option("-i", "--info", dest="info",
@@ -252,40 +274,39 @@ if __name__ == '__main__':
parser.add_option("-t", "--test", dest="test", action="store_true",
default=False)
parser.add_option("-n", "--no_wrapper", dest="no_wrapper",
action="store_true",default=False)
parser.add_option("-c", "--chapters", dest="chapters",action="store_true",
default=False,help="switch section for chapter")
action="store_true", default=False)
parser.add_option("-c", "--chapters", dest="chapters", action="store_true",
default=False, help="switch section for chapter")
parser.add_option("-w", "--wrapper", dest="wrapper", default=False,
help="latex file containing header and footer")
(options, args) = parser.parse_args()
if options.info:
import markmin2html
markmin2latex(markmin2html.__doc__)
elif options.test:
doctest.testmod()
else:
if options.wrapper:
fwrapper = open(options.wrapper,'rb')
fwrapper = open(options.wrapper, 'rb')
try:
wrapper = fwrapper.read()
finally:
fwrapper.close()
elif options.no_wrapper:
wrapper = '%(body)s'
wrapper = '%(body)s'
else:
wrapper = WRAPPER
for f in args:
fargs = open(f,'r')
fargs = open(f, 'r')
content_data = []
try:
content_data.append(fargs.read())
finally:
fargs.close()
content = '\n'.join(content_data)
output= markmin2latex(content,
wrapper=wrapper,
chapters=options.chapters)
output = markmin2latex(content,
wrapper=wrapper,
chapters=options.chapters)
print output