around it - append the paragraph bits directly # onto parent_elem el = parent_elem else : # Otherwise make a "p" element el = self.doc.createElement("p") parent_elem.appendChild(el) for item in list : el.appendChild(item) if theRest : theRest = theRest[1:] # skip the first (blank) line self._processSection(parent_elem, theRest, inList) def _processUList(self, parent_elem, lines, inList) : self._processList(parent_elem, lines, inList, listexpr='ul', tag = 'ul') def _processOList(self, parent_elem, lines, inList) : self._processList(parent_elem, lines, inList, listexpr='ol', tag = 'ol') def _processList(self, parent_elem, lines, inList, listexpr, tag) : """Given a list of document lines starting with a list item, finds the end of the list, breaks it up, and recursively processes each list item and the remainder of the text file. @param parent_elem: A dom element to which the content will be added @param lines: a list of lines @param inList: a level @returns: None""" ul = self.doc.createElement(tag) # ul might actually be '
") and recursively processes the
the remainder of the text file.
@param parent_elem: DOM element to which the content will be added
@param lines: a list of lines
@param inList: a level
@returns: None"""
detabbed, theRest = self.blockGuru.detectTabbed(lines)
pre = self.doc.createElement('pre')
code = self.doc.createElement('code')
parent_elem.appendChild(pre)
pre.appendChild(code)
text = "\n".join(detabbed).rstrip()+"\n"
#text = text.replace("&", "&")
code.appendChild(self.doc.createTextNode(text))
self._processSection(parent_elem, theRest, inList)
def _handleInlineWrapper (self, line, patternIndex=0) :
parts = [line]
while patternIndex < len(self.inlinePatterns) :
i = 0
while i < len(parts) :
x = parts[i]
if isinstance(x, (str, unicode)) :
result = self._applyPattern(x, \
self.inlinePatterns[patternIndex], \
patternIndex )
if result :
i -= 1
parts.remove(x)
for y in result :
parts.insert(i+1,y)
i += 1
patternIndex += 1
for i in range(len(parts)) :
x = parts[i]
if isinstance(x, (str, unicode)) :
parts[i] = self.doc.createTextNode(x)
return parts
def _handleInline(self, line):
"""Transform a Markdown line with inline elements to an XHTML
fragment.
This function uses auxiliary objects called inline patterns.
See notes on inline patterns above.
@param item: A block of Markdown text
@return: A list of NanoDom nodes """
if not(line):
return [self.doc.createTextNode(' ')]
for pattern in self.inlinePatterns :
list = self._applyPattern( line, pattern)
if list: return list
return [self.doc.createTextNode(line)]
def _applyPattern(self, line, pattern, patternIndex) :
""" Given a pattern name, this function checks if the line
fits the pattern, creates the necessary elements, and returns
back a list consisting of NanoDom elements and/or strings.
@param line: the text to be processed
@param pattern: the pattern to be checked
@returns: the appropriate newly created NanoDom element if the
pattern matches, None otherwise.
"""
# match the line to pattern's pre-compiled reg exp.
# if no match, move on.
m = pattern.getCompiledRegExp().match(line)
if not m :
return None
# if we got a match let the pattern make us a NanoDom node
# if it doesn't, move on
node = pattern.handleMatch(m, self.doc)
# check if any of this nodes have children that need processing
if isinstance(node, Element):
if not node.nodeName in ["code", "pre"] :
for child in node.childNodes :
if isinstance(child, TextNode):
result = self._handleInlineWrapper(child.value, patternIndex+1)
if result:
if result == [child] :
continue
result.reverse()
#to make insertion easier
position = node.childNodes.index(child)
node.removeChild(child)
for item in result:
if isinstance(item, (str, unicode)):
if len(item) > 0:
node.insertChild(position,
self.doc.createTextNode(item))
else:
node.insertChild(position, item)
if node :
# Those are in the reverse order!
return ( m.groups()[-1], # the string to the left
node, # the new node
m.group(1)) # the string to the right of the match
else :
return None
def convert (self, source = None):
"""Return the document in XHTML format.
@returns: A serialized XHTML body."""
#try :
if source :
self.source = source
if not self.source :
return ""
self.source = removeBOM(self.source, self.encoding)
doc = self._transform()
xml = doc.toxml()
#finally:
# doc.unlink()
# Let's stick in all the raw html pieces
for i in range(self.htmlStash.html_counter) :
html = self.htmlStash.rawHtmlBlocks[i][0]
safe = self.htmlStash.rawHtmlBlocks[i][1]
inline = self.htmlStash.rawHtmlBlocks[i][2]
if self.safeMode and not safe:
html = HTML_REMOVED_TEXT
if not inline:
xml = xml.replace("%s\n
" % (HTML_PLACEHOLDER % i),
html + "\n")
xml = xml.replace(HTML_PLACEHOLDER % i,
html)
# And return everything but the top level tag
if self.stripTopLevelTags :
xml = xml.strip()[23:-7] + "\n"
for pp in self.textPostprocessors :
xml = pp.run(xml)
return (self.docType + xml).strip()
__str__ = convert # deprecated - will be changed in 1.7 to report
# information about the MD instance
toString = __str__ # toString() method is deprecated
def __unicode__(self):
"""Return the document in XHTML format as a Unicode object.
"""
return str(self)#.decode(self.encoding)
toUnicode = __unicode__ # deprecated - will be removed in 1.7
# ====================================================================
def markdownFromFile(input = None,
output = None,
extensions = [],
encoding = None,
message_threshold = CRITICAL,
safe = False) :
global MESSAGE_THRESHOLD
MESSAGE_THRESHOLD = message_threshold
message(VERBOSE, "input file: %s" % input)
if not encoding :
encoding = "utf-8"
input_file = codecs.open(input, mode="r", encoding=encoding)
text = input_file.read()
input_file.close()
new_text = markdown(text, extensions, encoding, safe_mode = safe)
if output :
output_file = codecs.open(output, "w", encoding=encoding)
output_file.write(new_text)
output_file.close()
else :
sys.stdout.write(new_text.encode(encoding))
def markdown(text,
extensions = [],
encoding = None,
safe_mode = False) :
message(VERBOSE, "in markdown.markdown(), received text:\n%s" % text)
extension_names = []
extension_configs = {}
for ext in extensions :
pos = ext.find("(")
if pos == -1 :
extension_names.append(ext)
else :
name = ext[:pos]
extension_names.append(name)
pairs = [x.split("=") for x in ext[pos+1:-1].split(",")]
configs = [(x.strip(), y.strip()) for (x, y) in pairs]
extension_configs[name] = configs
md = Markdown(extensions=extension_names,
extension_configs=extension_configs,
safe_mode = safe_mode)
return md.convert(text)
class Extension :
def __init__(self, configs = {}) :
self.config = configs
def getConfig(self, key) :
if self.config.has_key(key) :
return self.config[key][0]
else :
return ""
def getConfigInfo(self) :
return [(key, self.config[key][1]) for key in self.config.keys()]
def setConfig(self, key, value) :
self.config[key][0] = value
OPTPARSE_WARNING = """
Python 2.3 or higher required for advanced command line options.
For lower versions of Python use:
%s INPUT_FILE > OUTPUT_FILE
""" % EXECUTABLE_NAME_FOR_USAGE
def parse_options() :
try :
optparse = __import__("optparse")
except :
if len(sys.argv) == 2 :
return {'input' : sys.argv[1],
'output' : None,
'message_threshold' : CRITICAL,
'safe' : False,
'extensions' : [],
'encoding' : None }
else :
print OPTPARSE_WARNING
return None
parser = optparse.OptionParser(usage="%prog INPUTFILE [options]")
parser.add_option("-f", "--file", dest="filename",
help="write output to OUTPUT_FILE",
metavar="OUTPUT_FILE")
parser.add_option("-e", "--encoding", dest="encoding",
help="encoding for input and output files",)
parser.add_option("-q", "--quiet", default = CRITICAL,
action="store_const", const=NONE, dest="verbose",
help="suppress all messages")
parser.add_option("-v", "--verbose",
action="store_const", const=INFO, dest="verbose",
help="print info messages")
parser.add_option("-s", "--safe",
action="store_const", const=True, dest="safe",
help="same mode (strip user's HTML tag)")
parser.add_option("--noisy",
action="store_const", const=VERBOSE, dest="verbose",
help="print debug messages")
parser.add_option("-x", "--extension", action="append", dest="extensions",
help = "load extension EXTENSION", metavar="EXTENSION")
(options, args) = parser.parse_args()
if not len(args) == 1 :
parser.print_help()
return None
else :
input_file = args[0]
if not options.extensions :
options.extensions = []
return {'input' : input_file,
'output' : options.filename,
'message_threshold' : options.verbose,
'safe' : options.safe,
'extensions' : options.extensions,
'encoding' : options.encoding }
if __name__ == '__main__':
""" Run Markdown from the command line. """
options = parse_options()
#if os.access(inFile, os.R_OK):
if not options :
sys.exit(0)
markdownFromFile(**options)