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tools to build the html files.

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commit 4c26ac43f61bed6a51f12e59813a33169109c53a 1 parent 66c0206
@anandology anandology authored
Showing with 2,014 additions and 0 deletions.
  1. +2 −0  .gitignore
  2. +116 −0 tools/build.py
  3. +1,832 −0 tools/markdown.py
  4. +64 −0 tools/site.html
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2  .gitignore
@@ -0,0 +1,2 @@
+html/
+*.pyc
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116 tools/build.py
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+#! /usr/bin/env python
+"""Script to build the web.org website.
+"""
+import os
+import markdown
+import re
+import web
+
+link_re = web.re_compile(r'(?<!\\)\[\[(.*?)(?:\|(.*?))?\]\]')
+class wikilinks:
+ """markdown postprocessor for [[wikilink]] support."""
+ def process_links(self, node):
+ doc = node.doc
+ text = node.value
+ new_nodes = []
+ position = [0]
+
+ def mangle(match):
+ start, end = position[0], match.start()
+ position[0] = match.end()
+ text_node = doc.createTextNode(text[start:end])
+
+ matches = match.groups()
+ link = matches[0]
+ anchor = matches[1] or link
+
+ if not link.startswith("/") and not link.startswith("http"):
+ link = "/" + link
+
+ link_node = doc.createElement('a')
+ link_node.setAttribute('href', link)
+ link_node.setAttribute('class', 'internal')
+ link_node.appendChild(doc.createTextNode(anchor))
+
+ new_nodes.append(text_node)
+ new_nodes.append(link_node)
+
+ return ''
+
+ re.sub(link_re, mangle, text)
+
+ start = position[0]
+ end = len(text)
+ text_node = doc.createTextNode(text[start:end])
+
+ new_nodes.append(text_node)
+
+ return new_nodes
+
+ def replace_node(self, node, new_nodes):
+ """Removes the node from its parent and inserts new_nodes at that position."""
+ parent = node.parent
+ position = parent.childNodes.index(node)
+ parent.removeChild(node)
+
+ for n in new_nodes:
+ parent.insertChild(position, n)
+ position += 1
+
+ def run(self, doc):
+ def test(e):
+ return e.type == 'text' and link_re.search(e.value)
+
+ for node in doc.find(test):
+ new_nodes = self.process_links(node)
+ self.replace_node(node, new_nodes)
+
+def format(text):
+ text = web.safeunicode(text)
+ md = markdown.Markdown(source=text)
+ md.postprocessors.append(wikilinks())
+
+ return web.safestr(md.convert())
+
+root = os.path.dirname(__file__)
+render = web.template.frender(os.path.join(root, "site.html"), globals={"format": format})
+
+def write(path, text):
+ print "writing", path
+ dir = os.path.dirname(path)
+ if not os.path.exists(dir):
+ os.makedirs(dir)
+ f = open(path, "w")
+ f.write(text)
+ f.close()
+
+def get_title(path, body):
+ if body.strip().startswith("#"):
+ title = body.splitlines()[0].strip()[1:].strip()
+ else:
+ title = os.path.basename(path).split("/")[-1].replace("_", " ").title()
+ return title
+
+def render_page(path):
+ body = open(path).read()
+ title = get_title(path, body)
+ page = web.storage(title=title, body=body)
+ html = web.safestr(render(page))
+
+ html_path = "html/" + path.split("/", 1)[1]
+
+ if not path.endswith("/index"):
+ html_path += "/index.html"
+ else:
+ html_path += ".html"
+
+ write(html_path, html)
+
+def main():
+ for dirpath, dirnames, filenames in os.walk("pages"):
+ for f in filenames:
+ render_page(os.path.join(dirpath, f))
+ os.system("cp -r static html")
+
+if __name__ == '__main__':
+ main()
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1,832 tools/markdown.py
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+#!/usr/bin/env python
+
+version = "1.6b"
+version_info = (1,6,2,"rc-2")
+__revision__ = "$Rev$"
+
+"""
+Python-Markdown
+===============
+
+Converts Markdown to HTML. Basic usage as a module:
+
+ import markdown
+ md = Markdown()
+ html = markdown.convert(your_text_string)
+
+See http://www.freewisdom.org/projects/python-markdown/ for more
+information and instructions on how to extend the functionality of the
+script. (You might want to read that before you try modifying this
+file.)
+
+Started by [Manfred Stienstra](http://www.dwerg.net/). Continued and
+maintained by [Yuri Takhteyev](http://www.freewisdom.org).
+
+Contact: yuri [at] freewisdom.org
+
+License: GPL 2 (http://www.gnu.org/copyleft/gpl.html) or BSD
+
+"""
+
+
+import re, sys, os, random, codecs
+
+# Set debug level: 3 none, 2 critical, 1 informative, 0 all
+(VERBOSE, INFO, CRITICAL, NONE) = range(4)
+
+MESSAGE_THRESHOLD = CRITICAL
+
+def message(level, text) :
+ if level >= MESSAGE_THRESHOLD :
+ print text
+
+
+# --------------- CONSTANTS YOU MIGHT WANT TO MODIFY -----------------
+
+TAB_LENGTH = 4 # expand tabs to this many spaces
+ENABLE_ATTRIBUTES = True # @id = xyz -> <... id="xyz">
+SMART_EMPHASIS = 1 # this_or_that does not become this<i>or</i>that
+HTML_REMOVED_TEXT = "[HTML_REMOVED]" # text used instead of HTML in safe mode
+
+RTL_BIDI_RANGES = ( (u'\u0590', u'\u07FF'),
+ # from Hebrew to Nko (includes Arabic, Syriac and Thaana)
+ (u'\u2D30', u'\u2D7F'),
+ # Tifinagh
+ )
+
+# Unicode Reference Table:
+# 0590-05FF - Hebrew
+# 0600-06FF - Arabic
+# 0700-074F - Syriac
+# 0750-077F - Arabic Supplement
+# 0780-07BF - Thaana
+# 07C0-07FF - Nko
+
+BOMS = { 'utf-8' : (unicode(codecs.BOM_UTF8, "utf-8"), ),
+ 'utf-16' : (unicode(codecs.BOM_UTF16_LE, "utf-16"),
+ unicode(codecs.BOM_UTF16_BE, "utf-16")),
+ #'utf-32' : (unicode(codecs.BOM_UTF32_LE, "utf-32"),
+ # unicode(codecs.BOM_UTF32_BE, "utf-32")),
+ }
+
+def removeBOM(text, encoding):
+ for bom in BOMS[encoding]:
+ if text.startswith(bom):
+ return text.lstrip(bom)
+ return text
+
+# The following constant specifies the name used in the usage
+# statement displayed for python versions lower than 2.3. (With
+# python2.3 and higher the usage statement is generated by optparse
+# and uses the actual name of the executable called.)
+
+EXECUTABLE_NAME_FOR_USAGE = "python markdown.py"
+
+
+# --------------- CONSTANTS YOU _SHOULD NOT_ HAVE TO CHANGE ----------
+
+# a template for html placeholders
+HTML_PLACEHOLDER_PREFIX = "qaodmasdkwaspemas"
+HTML_PLACEHOLDER = HTML_PLACEHOLDER_PREFIX + "%dajkqlsmdqpakldnzsdfls"
+
+BLOCK_LEVEL_ELEMENTS = ['p', 'div', 'blockquote', 'pre', 'table',
+ 'dl', 'ol', 'ul', 'script', 'noscript',
+ 'form', 'fieldset', 'iframe', 'math', 'ins',
+ 'del', 'hr', 'hr/', 'style']
+
+def is_block_level (tag) :
+ return ( (tag in BLOCK_LEVEL_ELEMENTS) or
+ (tag[0] == 'h' and tag[1] in "0123456789") )
+
+"""
+======================================================================
+========================== NANODOM ===================================
+======================================================================
+
+The three classes below implement some of the most basic DOM
+methods. I use this instead of minidom because I need a simpler
+functionality and do not want to require additional libraries.
+
+Importantly, NanoDom does not do normalization, which is what we
+want. It also adds extra white space when converting DOM to string
+"""
+
+ENTITY_NORMALIZATION_EXPRESSIONS = [ (re.compile("&"), "&amp;"),
+ (re.compile("<"), "&lt;"),
+ (re.compile(">"), "&gt;"),
+ (re.compile("\""), "&quot;")]
+
+ENTITY_NORMALIZATION_EXPRESSIONS_SOFT = [ (re.compile("&(?!\#)"), "&amp;"),
+ (re.compile("<"), "&lt;"),
+ (re.compile(">"), "&gt;"),
+ (re.compile("\""), "&quot;")]
+
+
+def getBidiType(text) :
+
+ if not text : return None
+
+ ch = text[0]
+
+ if not isinstance(ch, unicode) or not ch.isalpha():
+ return None
+
+ else :
+
+ for min, max in RTL_BIDI_RANGES :
+ if ( ch >= min and ch <= max ) :
+ return "rtl"
+ else :
+ return "ltr"
+
+
+class Document :
+
+ def __init__ (self) :
+ self.bidi = "ltr"
+
+ def appendChild(self, child) :
+ self.documentElement = child
+ child.isDocumentElement = True
+ child.parent = self
+ self.entities = {}
+
+ def setBidi(self, bidi) :
+ if bidi :
+ self.bidi = bidi
+
+ def createElement(self, tag, textNode=None) :
+ el = Element(tag)
+ el.doc = self
+ if textNode :
+ el.appendChild(self.createTextNode(textNode))
+ return el
+
+ def createTextNode(self, text) :
+ node = TextNode(text)
+ node.doc = self
+ return node
+
+ def createEntityReference(self, entity):
+ if entity not in self.entities:
+ self.entities[entity] = EntityReference(entity)
+ return self.entities[entity]
+
+ def createCDATA(self, text) :
+ node = CDATA(text)
+ node.doc = self
+ return node
+
+ def toxml (self) :
+ return self.documentElement.toxml()
+
+ def normalizeEntities(self, text, avoidDoubleNormalizing=False) :
+
+ if avoidDoubleNormalizing :
+ regexps = ENTITY_NORMALIZATION_EXPRESSIONS_SOFT
+ else :
+ regexps = ENTITY_NORMALIZATION_EXPRESSIONS
+
+ for regexp, substitution in regexps :
+ text = regexp.sub(substitution, text)
+ return text
+
+ def find(self, test) :
+ return self.documentElement.find(test)
+
+ def unlink(self) :
+ self.documentElement.unlink()
+ self.documentElement = None
+
+
+class CDATA :
+
+ type = "cdata"
+
+ def __init__ (self, text) :
+ self.text = text
+
+ def handleAttributes(self) :
+ pass
+
+ def toxml (self) :
+ return "<![CDATA[" + self.text + "]]>"
+
+class Element :
+
+ type = "element"
+
+ def __init__ (self, tag) :
+
+ self.nodeName = tag
+ self.attributes = []
+ self.attribute_values = {}
+ self.childNodes = []
+ self.bidi = None
+ self.isDocumentElement = False
+
+ def setBidi(self, bidi) :
+
+ if bidi :
+
+ orig_bidi = self.bidi
+
+ if not self.bidi or self.isDocumentElement:
+ # Once the bidi is set don't change it (except for doc element)
+ self.bidi = bidi
+ self.parent.setBidi(bidi)
+
+
+ def unlink(self) :
+ for child in self.childNodes :
+ if child.type == "element" :
+ child.unlink()
+ self.childNodes = None
+
+ def setAttribute(self, attr, value) :
+ if not attr in self.attributes :
+ self.attributes.append(attr)
+
+ self.attribute_values[attr] = value
+
+ def insertChild(self, position, child) :
+ self.childNodes.insert(position, child)
+ child.parent = self
+
+ def removeChild(self, child) :
+ self.childNodes.remove(child)
+
+ def replaceChild(self, oldChild, newChild) :
+ position = self.childNodes.index(oldChild)
+ self.removeChild(oldChild)
+ self.insertChild(position, newChild)
+
+ def appendChild(self, child) :
+ self.childNodes.append(child)
+ child.parent = self
+
+ def handleAttributes(self) :
+ pass
+
+ def find(self, test, depth=0) :
+ """ Returns a list of descendants that pass the test function """
+ matched_nodes = []
+ for child in self.childNodes :
+ if test(child) :
+ matched_nodes.append(child)
+ if child.type == "element" :
+ matched_nodes += child.find(test, depth+1)
+ return matched_nodes
+
+ def toxml(self):
+ if ENABLE_ATTRIBUTES :
+ for child in self.childNodes:
+ child.handleAttributes()
+
+ buffer = ""
+ if self.nodeName in ['h1', 'h2', 'h3', 'h4'] :
+ buffer += "\n"
+ elif self.nodeName in ['li'] :
+ buffer += "\n "
+
+ # Process children FIRST, then do the attributes
+
+ childBuffer = ""
+
+ if self.childNodes or self.nodeName in ['blockquote']:
+ childBuffer += ">"
+ for child in self.childNodes :
+ childBuffer += child.toxml()
+ if self.nodeName == 'p' :
+ childBuffer += "\n"
+ elif self.nodeName == 'li' :
+ childBuffer += "\n "
+ childBuffer += "</%s>" % self.nodeName
+ else :
+ childBuffer += "/>"
+
+
+
+ buffer += "<" + self.nodeName
+
+ if self.nodeName in ['p', 'li', 'ul', 'ol',
+ 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'] :
+
+ if not self.attribute_values.has_key("dir"):
+ if self.bidi :
+ bidi = self.bidi
+ else :
+ bidi = self.doc.bidi
+
+ if bidi=="rtl" :
+ self.setAttribute("dir", "rtl")
+
+ for attr in self.attributes :
+ value = self.attribute_values[attr]
+ value = self.doc.normalizeEntities(value,
+ avoidDoubleNormalizing=True)
+ buffer += ' %s="%s"' % (attr, value)
+
+
+ # Now let's actually append the children
+
+ buffer += childBuffer
+
+ if self.nodeName in ['p', 'li', 'ul', 'ol',
+ 'h1', 'h2', 'h3', 'h4'] :
+ buffer += "\n"
+
+ return buffer
+
+
+class TextNode :
+
+ type = "text"
+ attrRegExp = re.compile(r'\{@([^\}]*)=([^\}]*)}') # {@id=123}
+
+ def __init__ (self, text) :
+ self.value = text
+
+ def attributeCallback(self, match) :
+
+ self.parent.setAttribute(match.group(1), match.group(2))
+
+ def handleAttributes(self) :
+ self.value = self.attrRegExp.sub(self.attributeCallback, self.value)
+
+ def toxml(self) :
+
+ text = self.value
+
+ self.parent.setBidi(getBidiType(text))
+
+ if not text.startswith(HTML_PLACEHOLDER_PREFIX):
+ if self.parent.nodeName == "p" :
+ text = text.replace("\n", "\n ")
+ elif (self.parent.nodeName == "li"
+ and self.parent.childNodes[0]==self):
+ text = "\n " + text.replace("\n", "\n ")
+ text = self.doc.normalizeEntities(text)
+ return text
+
+
+class EntityReference:
+
+ type = "entity_ref"
+
+ def __init__(self, entity):
+ self.entity = entity
+
+ def handleAttributes(self):
+ pass
+
+ def toxml(self):
+ return "&" + self.entity + ";"
+
+
+"""
+======================================================================
+========================== PRE-PROCESSORS ============================
+======================================================================
+
+Preprocessors munge source text before we start doing anything too
+complicated.
+
+Each preprocessor implements a "run" method that takes a pointer to a
+list of lines of the document, modifies it as necessary and returns
+either the same pointer or a pointer to a new list. Preprocessors
+must extend markdown.Preprocessor.
+
+"""
+
+
+class Preprocessor :
+ pass
+
+
+class HeaderPreprocessor (Preprocessor):
+
+ """
+ Replaces underlined headers with hashed headers to avoid
+ the nead for lookahead later.
+ """
+
+ def run (self, lines) :
+
+ i = -1
+ while i+1 < len(lines) :
+ i = i+1
+ if not lines[i].strip() :
+ continue
+
+ if lines[i].startswith("#") :
+ lines.insert(i+1, "\n")
+
+ if (i+1 <= len(lines)
+ and lines[i+1]
+ and lines[i+1][0] in ['-', '=']) :
+
+ underline = lines[i+1].strip()
+
+ if underline == "="*len(underline) :
+ lines[i] = "# " + lines[i].strip()
+ lines[i+1] = ""
+ elif underline == "-"*len(underline) :
+ lines[i] = "## " + lines[i].strip()
+ lines[i+1] = ""
+
+ return lines
+
+HEADER_PREPROCESSOR = HeaderPreprocessor()
+
+class LinePreprocessor (Preprocessor):
+ """Deals with HR lines (needs to be done before processing lists)"""
+
+ def run (self, lines) :
+ for i in range(len(lines)) :
+ if self._isLine(lines[i]) :
+ lines[i] = "<hr />"
+ return lines
+
+ def _isLine(self, block) :
+ """Determines if a block should be replaced with an <HR>"""
+ if block.startswith(" ") : return 0 # a code block
+ text = "".join([x for x in block if not x.isspace()])
+ if len(text) <= 2 :
+ return 0
+ for pattern in ['isline1', 'isline2', 'isline3'] :
+ m = RE.regExp[pattern].match(text)
+ if (m and m.group(1)) :
+ return 1
+ else:
+ return 0
+
+LINE_PREPROCESSOR = LinePreprocessor()
+
+
+class LineBreaksPreprocessor (Preprocessor):
+ """Replaces double spaces at the end of the lines with <br/ >."""
+
+ def run (self, lines) :
+ for i in range(len(lines)) :
+ if (lines[i].endswith(" ")
+ and not RE.regExp['tabbed'].match(lines[i]) ):
+ lines[i] += "<br />"
+ return lines
+
+LINE_BREAKS_PREPROCESSOR = LineBreaksPreprocessor()
+
+
+class HtmlBlockPreprocessor (Preprocessor):
+ """Removes html blocks from self.lines"""
+
+ def _get_left_tag(self, block):
+ return block[1:].replace(">", " ", 1).split()[0].lower()
+
+
+ def _get_right_tag(self, left_tag, block):
+ return block.rstrip()[-len(left_tag)-2:-1].lower()
+
+ def _equal_tags(self, left_tag, right_tag):
+
+ if left_tag in ['?', '?php', 'div'] : # handle PHP, etc.
+ return True
+ if ("/" + left_tag) == right_tag:
+ return True
+ if (right_tag == "--" and left_tag == "--") :
+ return True
+ elif left_tag == right_tag[1:] \
+ and right_tag[0] != "<":
+ return True
+ else:
+ return False
+
+ def _is_oneliner(self, tag):
+ return (tag in ['hr', 'hr/'])
+
+
+ def run (self, lines) :
+
+ new_blocks = []
+ text = "\n".join(lines)
+ text = text.split("\n\n")
+
+ items = []
+ left_tag = ''
+ right_tag = ''
+ in_tag = False # flag
+
+ for block in text:
+ if block.startswith("\n") :
+ block = block[1:]
+
+ if not in_tag:
+
+ if block.startswith("<"):
+
+ left_tag = self._get_left_tag(block)
+ right_tag = self._get_right_tag(left_tag, block)
+
+ if not (is_block_level(left_tag) \
+ or block[1] in ["!", "?", "@", "%"]):
+ new_blocks.append(block)
+ continue
+
+ if self._is_oneliner(left_tag):
+ new_blocks.append(block.strip())
+ continue
+
+ if block[1] == "!":
+ # is a comment block
+ left_tag = "--"
+ right_tag = self._get_right_tag(left_tag, block)
+ # keep checking conditions below and maybe just append
+
+ if block.rstrip().endswith(">") \
+ and self._equal_tags(left_tag, right_tag):
+ new_blocks.append(
+ self.stash.store(block.strip()))
+ continue
+ else: #if not block[1] == "!":
+ # if is block level tag and is not complete
+ items.append(block.strip())
+ in_tag = True
+ continue
+
+ new_blocks.append(block)
+
+ else:
+ items.append(block.strip())
+
+ right_tag = self._get_right_tag(left_tag, block)
+
+ if self._equal_tags(left_tag, right_tag):
+ # if find closing tag
+ in_tag = False
+ new_blocks.append(
+ self.stash.store('\n\n'.join(items)))
+ items = []
+
+ if items :
+ new_blocks.append(self.stash.store('\n\n'.join(items)))
+ new_blocks.append('\n')
+
+ return "\n\n".join(new_blocks).split("\n")
+
+HTML_BLOCK_PREPROCESSOR = HtmlBlockPreprocessor()
+
+
+class ReferencePreprocessor (Preprocessor):
+
+ def run (self, lines) :
+
+ new_text = [];
+ for line in lines:
+ m = RE.regExp['reference-def'].match(line)
+ if m:
+ id = m.group(2).strip().lower()
+ t = m.group(4).strip() # potential title
+ if not t :
+ self.references[id] = (m.group(3), t)
+ elif (len(t) >= 2
+ and (t[0] == t[-1] == "\""
+ or t[0] == t[-1] == "\'"
+ or (t[0] == "(" and t[-1] == ")") ) ) :
+ self.references[id] = (m.group(3), t[1:-1])
+ else :
+ new_text.append(line)
+ else:
+ new_text.append(line)
+
+ return new_text #+ "\n"
+
+REFERENCE_PREPROCESSOR = ReferencePreprocessor()
+
+"""
+======================================================================
+========================== INLINE PATTERNS ===========================
+======================================================================
+
+Inline patterns such as *emphasis* are handled by means of auxiliary
+objects, one per pattern. Pattern objects must be instances of classes
+that extend markdown.Pattern. Each pattern object uses a single regular
+expression and needs support the following methods:
+
+ pattern.getCompiledRegExp() - returns a regular expression
+
+ pattern.handleMatch(m, doc) - takes a match object and returns
+ a NanoDom node (as a part of the provided
+ doc) or None
+
+All of python markdown's built-in patterns subclass from Patter,
+but you can add additional patterns that don't.
+
+Also note that all the regular expressions used by inline must
+capture the whole block. For this reason, they all start with
+'^(.*)' and end with '(.*)!'. In case with built-in expression
+Pattern takes care of adding the "^(.*)" and "(.*)!".
+
+Finally, the order in which regular expressions are applied is very
+important - e.g. if we first replace http://.../ links with <a> tags
+and _then_ try to replace inline html, we would end up with a mess.
+So, we apply the expressions in the following order:
+
+ * escape and backticks have to go before everything else, so
+ that we can preempt any markdown patterns by escaping them.
+
+ * then we handle auto-links (must be done before inline html)
+
+ * then we handle inline HTML. At this point we will simply
+ replace all inline HTML strings with a placeholder and add
+ the actual HTML to a hash.
+
+ * then inline images (must be done before links)
+
+ * then bracketed links, first regular then reference-style
+
+ * finally we apply strong and emphasis
+"""
+
+NOBRACKET = r'[^\]\[]*'
+
+#@@ Yuri Takhteyev suggested to change BRK like this to break the infinite recursion.
+
+#BRK = ( r'\[('
+# + (NOBRACKET + r'(\['+NOBRACKET)*6
+# + (NOBRACKET+ r'\])*'+NOBRACKET)*6
+# + NOBRACKET + r')\]' )
+
+BRK = ( r'\[('
+ + (NOBRACKET + r'(\[')*6
+ + (NOBRACKET+ r'\])*')*6
+ + NOBRACKET + r')\]' )
+
+BACKTICK_RE = r'\`([^\`]*)\`' # `e= m*c^2`
+DOUBLE_BACKTICK_RE = r'\`\`(.*)\`\`' # ``e=f("`")``
+ESCAPE_RE = r'\\(.)' # \<
+EMPHASIS_RE = r'\*([^\*]*)\*' # *emphasis*
+STRONG_RE = r'\*\*(.*)\*\*' # **strong**
+STRONG_EM_RE = r'\*\*\*([^_]*)\*\*\*' # ***strong***
+
+if SMART_EMPHASIS:
+ EMPHASIS_2_RE = r'(?<!\S)_(\S[^_]*)_' # _emphasis_
+else :
+ EMPHASIS_2_RE = r'_([^_]*)_' # _emphasis_
+
+STRONG_2_RE = r'__([^_]*)__' # __strong__
+STRONG_EM_2_RE = r'___([^_]*)___' # ___strong___
+
+LINK_RE = BRK + r'\s*\(([^\)]*)\)' # [text](url)
+LINK_ANGLED_RE = BRK + r'\s*\(<([^\)]*)>\)' # [text](<url>)
+IMAGE_LINK_RE = r'\!' + BRK + r'\s*\(([^\)]*)\)' # ![alttxt](http://x.com/)
+REFERENCE_RE = BRK+ r'\s*\[([^\]]*)\]' # [Google][3]
+IMAGE_REFERENCE_RE = r'\!' + BRK + '\s*\[([^\]]*)\]' # ![alt text][2]
+NOT_STRONG_RE = r'( \* )' # stand-alone * or _
+AUTOLINK_RE = r'<(http://[^>]*)>' # <http://www.123.com>
+AUTOMAIL_RE = r'<([^> \!]*@[^> ]*)>' # <me@example.com>
+#HTML_RE = r'(\<[^\>]*\>)' # <...>
+HTML_RE = r'(\<[a-zA-Z/][^\>]*\>)' # <...>
+ENTITY_RE = r'(&[\#a-zA-Z0-9]*;)' # &amp;
+
+class Pattern:
+
+ def __init__ (self, pattern) :
+ self.pattern = pattern
+ self.compiled_re = re.compile("^(.*)%s(.*)$" % pattern, re.DOTALL)
+
+ def getCompiledRegExp (self) :
+ return self.compiled_re
+
+BasePattern = Pattern # for backward compatibility
+
+class SimpleTextPattern (Pattern) :
+
+ def handleMatch(self, m, doc) :
+ return doc.createTextNode(m.group(2))
+
+class SimpleTagPattern (Pattern):
+
+ def __init__ (self, pattern, tag) :
+ Pattern.__init__(self, pattern)
+ self.tag = tag
+
+ def handleMatch(self, m, doc) :
+ el = doc.createElement(self.tag)
+ el.appendChild(doc.createTextNode(m.group(2)))
+ return el
+
+class BacktickPattern (Pattern):
+
+ def __init__ (self, pattern):
+ Pattern.__init__(self, pattern)
+ self.tag = "code"
+
+ def handleMatch(self, m, doc) :
+ el = doc.createElement(self.tag)
+ text = m.group(2).strip()
+ #text = text.replace("&", "&amp;")
+ el.appendChild(doc.createTextNode(text))
+ return el
+
+
+class DoubleTagPattern (SimpleTagPattern) :
+
+ def handleMatch(self, m, doc) :
+ tag1, tag2 = self.tag.split(",")
+ el1 = doc.createElement(tag1)
+ el2 = doc.createElement(tag2)
+ el1.appendChild(el2)
+ el2.appendChild(doc.createTextNode(m.group(2)))
+ return el1
+
+
+class HtmlPattern (Pattern):
+
+ def handleMatch (self, m, doc) :
+ place_holder = self.stash.store(m.group(2))
+ return doc.createTextNode(place_holder)
+
+
+class LinkPattern (Pattern):
+
+ def handleMatch(self, m, doc) :
+ el = doc.createElement('a')
+ el.appendChild(doc.createTextNode(m.group(2)))
+ parts = m.group(9).split('"')
+ # We should now have [], [href], or [href, title]
+ if parts :
+ el.setAttribute('href', parts[0].strip())
+ else :
+ el.setAttribute('href', "")
+ if len(parts) > 1 :
+ # we also got a title
+ title = '"' + '"'.join(parts[1:]).strip()
+ title = dequote(title) #.replace('"', "&quot;")
+ el.setAttribute('title', title)
+ return el
+
+
+class ImagePattern (Pattern):
+
+ def handleMatch(self, m, doc):
+ el = doc.createElement('img')
+ src_parts = m.group(9).split()
+ el.setAttribute('src', src_parts[0])
+ if len(src_parts) > 1 :
+ el.setAttribute('title', dequote(" ".join(src_parts[1:])))
+ if ENABLE_ATTRIBUTES :
+ text = doc.createTextNode(m.group(2))
+ el.appendChild(text)
+ text.handleAttributes()
+ truealt = text.value
+ el.childNodes.remove(text)
+ else:
+ truealt = m.group(2)
+ el.setAttribute('alt', truealt)
+ return el
+
+class ReferencePattern (Pattern):
+
+ def handleMatch(self, m, doc):
+
+ if m.group(9) :
+ id = m.group(9).lower()
+ else :
+ # if we got something like "[Google][]"
+ # we'll use "google" as the id
+ id = m.group(2).lower()
+
+ if not self.references.has_key(id) : # ignore undefined refs
+ return None
+ href, title = self.references[id]
+ text = m.group(2)
+ return self.makeTag(href, title, text, doc)
+
+ def makeTag(self, href, title, text, doc):
+ el = doc.createElement('a')
+ el.setAttribute('href', href)
+ if title :
+ el.setAttribute('title', title)
+ el.appendChild(doc.createTextNode(text))
+ return el
+
+
+class ImageReferencePattern (ReferencePattern):
+
+ def makeTag(self, href, title, text, doc):
+ el = doc.createElement('img')
+ el.setAttribute('src', href)
+ if title :
+ el.setAttribute('title', title)
+ el.setAttribute('alt', text)
+ return el
+
+
+class AutolinkPattern (Pattern):
+
+ def handleMatch(self, m, doc):
+ el = doc.createElement('a')
+ el.setAttribute('href', m.group(2))
+ el.appendChild(doc.createTextNode(m.group(2)))
+ return el
+
+class AutomailPattern (Pattern):
+
+ def handleMatch(self, m, doc) :
+ el = doc.createElement('a')
+ email = m.group(2)
+ if email.startswith("mailto:"):
+ email = email[len("mailto:"):]
+ for letter in email:
+ entity = doc.createEntityReference("#%d" % ord(letter))
+ el.appendChild(entity)
+ mailto = "mailto:" + email
+ mailto = "".join(['&#%d;' % ord(letter) for letter in mailto])
+ el.setAttribute('href', mailto)
+ return el
+
+ESCAPE_PATTERN = SimpleTextPattern(ESCAPE_RE)
+NOT_STRONG_PATTERN = SimpleTextPattern(NOT_STRONG_RE)
+
+BACKTICK_PATTERN = BacktickPattern(BACKTICK_RE)
+DOUBLE_BACKTICK_PATTERN = BacktickPattern(DOUBLE_BACKTICK_RE)
+STRONG_PATTERN = SimpleTagPattern(STRONG_RE, 'strong')
+STRONG_PATTERN_2 = SimpleTagPattern(STRONG_2_RE, 'strong')
+EMPHASIS_PATTERN = SimpleTagPattern(EMPHASIS_RE, 'em')
+EMPHASIS_PATTERN_2 = SimpleTagPattern(EMPHASIS_2_RE, 'em')
+
+STRONG_EM_PATTERN = DoubleTagPattern(STRONG_EM_RE, 'strong,em')
+STRONG_EM_PATTERN_2 = DoubleTagPattern(STRONG_EM_2_RE, 'strong,em')
+
+LINK_PATTERN = LinkPattern(LINK_RE)
+LINK_ANGLED_PATTERN = LinkPattern(LINK_ANGLED_RE)
+IMAGE_LINK_PATTERN = ImagePattern(IMAGE_LINK_RE)
+IMAGE_REFERENCE_PATTERN = ImageReferencePattern(IMAGE_REFERENCE_RE)
+REFERENCE_PATTERN = ReferencePattern(REFERENCE_RE)
+
+HTML_PATTERN = HtmlPattern(HTML_RE)
+ENTITY_PATTERN = HtmlPattern(ENTITY_RE)
+
+AUTOLINK_PATTERN = AutolinkPattern(AUTOLINK_RE)
+AUTOMAIL_PATTERN = AutomailPattern(AUTOMAIL_RE)
+
+
+"""
+======================================================================
+========================== POST-PROCESSORS ===========================
+======================================================================
+
+Markdown also allows post-processors, which are similar to
+preprocessors in that they need to implement a "run" method. Unlike
+pre-processors, they take a NanoDom document as a parameter and work
+with that.
+
+Post-Processor should extend markdown.Postprocessor.
+
+There are currently no standard post-processors, but the footnote
+extension below uses one.
+"""
+
+class Postprocessor :
+ pass
+
+
+"""
+======================================================================
+========================== MISC AUXILIARY CLASSES ====================
+======================================================================
+"""
+
+class HtmlStash :
+ """This class is used for stashing HTML objects that we extract
+ in the beginning and replace with place-holders."""
+
+ def __init__ (self) :
+ self.html_counter = 0 # for counting inline html segments
+ self.rawHtmlBlocks=[]
+
+ def store(self, html) :
+ """Saves an HTML segment for later reinsertion. Returns a
+ placeholder string that needs to be inserted into the
+ document.
+
+ @param html: an html segment
+ @returns : a placeholder string """
+ self.rawHtmlBlocks.append(html)
+ placeholder = HTML_PLACEHOLDER % self.html_counter
+ self.html_counter += 1
+ return placeholder
+
+
+class BlockGuru :
+
+ def _findHead(self, lines, fn, allowBlank=0) :
+
+ """Functional magic to help determine boundaries of indented
+ blocks.
+
+ @param lines: an array of strings
+ @param fn: a function that returns a substring of a string
+ if the string matches the necessary criteria
+ @param allowBlank: specifies whether it's ok to have blank
+ lines between matching functions
+ @returns: a list of post processes items and the unused
+ remainder of the original list"""
+
+ items = []
+ item = -1
+
+ i = 0 # to keep track of where we are
+
+ for line in lines :
+
+ if not line.strip() and not allowBlank:
+ return items, lines[i:]
+
+ if not line.strip() and allowBlank:
+ # If we see a blank line, this _might_ be the end
+ i += 1
+
+ # Find the next non-blank line
+ for j in range(i, len(lines)) :
+ if lines[j].strip() :
+ next = lines[j]
+ break
+ else :
+ # There is no more text => this is the end
+ break
+
+ # Check if the next non-blank line is still a part of the list
+
+ part = fn(next)
+
+ if part :
+ items.append("")
+ continue
+ else :
+ break # found end of the list
+
+ part = fn(line)
+
+ if part :
+ items.append(part)
+ i += 1
+ continue
+ else :
+ return items, lines[i:]
+ else :
+ i += 1
+
+ return items, lines[i:]
+
+
+ def detabbed_fn(self, line) :
+ """ An auxiliary method to be passed to _findHead """
+ m = RE.regExp['tabbed'].match(line)
+ if m:
+ return m.group(4)
+ else :
+ return None
+
+
+ def detectTabbed(self, lines) :
+
+ return self._findHead(lines, self.detabbed_fn,
+ allowBlank = 1)
+
+
+def print_error(string):
+ """Print an error string to stderr"""
+ sys.stderr.write(string +'\n')
+
+
+def dequote(string) :
+ """ Removes quotes from around a string """
+ if ( ( string.startswith('"') and string.endswith('"'))
+ or (string.startswith("'") and string.endswith("'")) ) :
+ return string[1:-1]
+ else :
+ return string
+
+"""
+======================================================================
+========================== CORE MARKDOWN =============================
+======================================================================
+
+This stuff is ugly, so if you are thinking of extending the syntax,
+see first if you can do it via pre-processors, post-processors,
+inline patterns or a combination of the three.
+"""
+
+class CorePatterns :
+ """This class is scheduled for removal as part of a refactoring
+ effort."""
+
+ patterns = {
+ 'header': r'(#*)([^#]*)(#*)', # # A title
+ 'reference-def' : r'(\ ?\ ?\ ?)\[([^\]]*)\]:\s*([^ ]*)(.*)',
+ # [Google]: http://www.google.com/
+ 'containsline': r'([-]*)$|^([=]*)', # -----, =====, etc.
+ 'ol': r'[ ]{0,3}[\d]*\.\s+(.*)', # 1. text
+ 'ul': r'[ ]{0,3}[*+-]\s+(.*)', # "* text"
+ 'isline1': r'(\**)', # ***
+ 'isline2': r'(\-*)', # ---
+ 'isline3': r'(\_*)', # ___
+ 'tabbed': r'((\t)|( ))(.*)', # an indented line
+ 'quoted' : r'> ?(.*)', # a quoted block ("> ...")
+ }
+
+ def __init__ (self) :
+
+ self.regExp = {}
+ for key in self.patterns.keys() :
+ self.regExp[key] = re.compile("^%s$" % self.patterns[key],
+ re.DOTALL)
+
+ self.regExp['containsline'] = re.compile(r'^([-]*)$|^([=]*)$', re.M)
+
+RE = CorePatterns()
+
+
+class Markdown:
+ """ Markdown formatter class for creating an html document from
+ Markdown text """
+
+
+ def __init__(self, source=None, # deprecated
+ extensions=[],
+ extension_configs=None,
+ encoding="utf-8",
+ safe_mode = False):
+ """Creates a new Markdown instance.
+
+ @param source: The text in Markdown format.
+ @param encoding: The character encoding of <text>. """
+
+ self.safeMode = safe_mode
+ self.encoding = encoding
+ self.source = source
+ self.blockGuru = BlockGuru()
+ self.registeredExtensions = []
+ self.stripTopLevelTags = 1
+ self.docType = ""
+
+ self.preprocessors = [ HTML_BLOCK_PREPROCESSOR,
+ HEADER_PREPROCESSOR,
+ LINE_PREPROCESSOR,
+ LINE_BREAKS_PREPROCESSOR,
+ # A footnote preprocessor will
+ # get inserted here
+ REFERENCE_PREPROCESSOR ]
+
+
+ self.postprocessors = [] # a footnote postprocessor will get
+ # inserted later
+
+ self.textPostprocessors = [] # a footnote postprocessor will get
+ # inserted later
+
+ self.prePatterns = []
+
+
+ self.inlinePatterns = [ DOUBLE_BACKTICK_PATTERN,
+ BACKTICK_PATTERN,
+ ESCAPE_PATTERN,
+ IMAGE_LINK_PATTERN,
+ IMAGE_REFERENCE_PATTERN,
+ REFERENCE_PATTERN,
+ LINK_ANGLED_PATTERN,
+ LINK_PATTERN,
+ AUTOLINK_PATTERN,
+ AUTOMAIL_PATTERN,
+ HTML_PATTERN,
+ ENTITY_PATTERN,
+ NOT_STRONG_PATTERN,
+ STRONG_EM_PATTERN,
+ STRONG_EM_PATTERN_2,
+ STRONG_PATTERN,
+ STRONG_PATTERN_2,
+ EMPHASIS_PATTERN,
+ EMPHASIS_PATTERN_2
+ # The order of the handlers matters!!!
+ ]
+
+ self.registerExtensions(extensions = extensions,
+ configs = extension_configs)
+
+ self.reset()
+
+
+ def registerExtensions(self, extensions, configs) :
+
+ if not configs :
+ configs = {}
+
+ for ext in extensions :
+
+ extension_module_name = "mdx_" + ext
+
+ try :
+ module = __import__(extension_module_name)
+
+ except :
+ message(CRITICAL,
+ "couldn't load extension %s (looking for %s module)"
+ % (ext, extension_module_name) )
+ else :
+
+ if configs.has_key(ext) :
+ configs_for_ext = configs[ext]
+ else :
+ configs_for_ext = []
+ extension = module.makeExtension(configs_for_ext)
+ extension.extendMarkdown(self, globals())
+
+
+
+
+ def registerExtension(self, extension) :
+ """ This gets called by the extension """
+ self.registeredExtensions.append(extension)
+
+ def reset(self) :
+ """Resets all state variables so that we can start
+ with a new text."""
+ self.references={}
+ self.htmlStash = HtmlStash()
+
+ HTML_BLOCK_PREPROCESSOR.stash = self.htmlStash
+ REFERENCE_PREPROCESSOR.references = self.references
+ HTML_PATTERN.stash = self.htmlStash
+ ENTITY_PATTERN.stash = self.htmlStash
+ REFERENCE_PATTERN.references = self.references
+ IMAGE_REFERENCE_PATTERN.references = self.references
+
+ for extension in self.registeredExtensions :
+ extension.reset()
+
+
+ def _transform(self):
+ """Transforms the Markdown text into a XHTML body document
+
+ @returns: A NanoDom Document """
+
+ # Setup the document
+
+ self.doc = Document()
+ self.top_element = self.doc.createElement("span")
+ self.top_element.appendChild(self.doc.createTextNode('\n'))
+ self.top_element.setAttribute('class', 'markdown')
+ self.doc.appendChild(self.top_element)
+
+ # Fixup the source text
+ text = self.source.strip()
+ text = text.replace("\r\n", "\n").replace("\r", "\n")
+ text += "\n\n"
+ text = text.expandtabs(TAB_LENGTH)
+
+ # Split into lines and run the preprocessors that will work with
+ # self.lines
+
+ self.lines = text.split("\n")
+
+ # Run the pre-processors on the lines
+ for prep in self.preprocessors :
+ self.lines = prep.run(self.lines)
+
+ # Create a NanoDom tree from the lines and attach it to Document
+
+
+ buffer = []
+ for line in self.lines :
+ if line.startswith("#") :
+ self._processSection(self.top_element, buffer)
+ buffer = [line]
+ else :
+ buffer.append(line)
+ self._processSection(self.top_element, buffer)
+
+ #self._processSection(self.top_element, self.lines)
+
+ # Not sure why I put this in but let's leave it for now.
+ self.top_element.appendChild(self.doc.createTextNode('\n'))
+
+ # Run the post-processors
+ for postprocessor in self.postprocessors :
+ postprocessor.run(self.doc)
+
+ return self.doc
+
+
+ def _processSection(self, parent_elem, lines,
+ inList = 0, looseList = 0) :
+
+ """Process a section of a source document, looking for high
+ level structural elements like lists, block quotes, code
+ segments, html blocks, etc. Some those then get stripped
+ of their high level markup (e.g. get unindented) and the
+ lower-level markup is processed recursively.
+
+ @param parent_elem: A NanoDom element to which the content
+ will be added
+ @param lines: a list of lines
+ @param inList: a level
+ @returns: None"""
+
+ if not lines :
+ return
+
+ # Check if this section starts with a list, a blockquote or
+ # a code block
+
+ processFn = { 'ul' : self._processUList,
+ 'ol' : self._processOList,
+ 'quoted' : self._processQuote,
+ 'tabbed' : self._processCodeBlock }
+
+ for regexp in ['ul', 'ol', 'quoted', 'tabbed'] :
+ m = RE.regExp[regexp].match(lines[0])
+ if m :
+ processFn[regexp](parent_elem, lines, inList)
+ return
+
+ # We are NOT looking at one of the high-level structures like
+ # lists or blockquotes. So, it's just a regular paragraph
+ # (though perhaps nested inside a list or something else). If
+ # we are NOT inside a list, we just need to look for a blank
+ # line to find the end of the block. If we ARE inside a
+ # list, however, we need to consider that a sublist does not
+ # need to be separated by a blank line. Rather, the following
+ # markup is legal:
+ #
+ # * The top level list item
+ #
+ # Another paragraph of the list. This is where we are now.
+ # * Underneath we might have a sublist.
+ #
+
+ if inList :
+
+ start, theRest = self._linesUntil(lines, (lambda line:
+ RE.regExp['ul'].match(line)
+ or RE.regExp['ol'].match(line)
+ or not line.strip()))
+
+ self._processSection(parent_elem, start,
+ inList - 1, looseList = looseList)
+ self._processSection(parent_elem, theRest,
+ inList - 1, looseList = looseList)
+
+
+ else : # Ok, so it's just a simple block
+
+ paragraph, theRest = self._linesUntil(lines, lambda line:
+ not line.strip())
+
+ if len(paragraph) and paragraph[0].startswith('#') :
+ m = RE.regExp['header'].match(paragraph[0])
+ if m :
+ level = len(m.group(1))
+ h = self.doc.createElement("h%d" % level)
+ parent_elem.appendChild(h)
+ for item in self._handleInlineWrapper(m.group(2).strip()) :
+ h.appendChild(item)
+ else :
+ message(CRITICAL, "We've got a problem header!")
+
+ elif paragraph :
+
+ list = self._handleInlineWrapper("\n".join(paragraph))
+
+ if ( parent_elem.nodeName == 'li'
+ and not (looseList or parent_elem.childNodes)):
+
+ #and not parent_elem.childNodes) :
+ # If this is the first paragraph inside "li", don't
+ # put <p> 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 '<ol>'
+ parent_elem.appendChild(ul)
+
+ looseList = 0
+
+ # Make a list of list items
+ items = []
+ item = -1
+
+ i = 0 # a counter to keep track of where we are
+
+ for line in lines :
+
+ loose = 0
+ if not line.strip() :
+ # If we see a blank line, this _might_ be the end of the list
+ i += 1
+ loose = 1
+
+ # Find the next non-blank line
+ for j in range(i, len(lines)) :
+ if lines[j].strip() :
+ next = lines[j]
+ break
+ else :
+ # There is no more text => end of the list
+ break
+
+ # Check if the next non-blank line is still a part of the list
+ if ( RE.regExp['ul'].match(next) or
+ RE.regExp['ol'].match(next) or
+ RE.regExp['tabbed'].match(next) ):
+ # get rid of any white space in the line
+ items[item].append(line.strip())
+ looseList = loose or looseList
+ continue
+ else :
+ break # found end of the list
+
+ # Now we need to detect list items (at the current level)
+ # while also detabing child elements if necessary
+
+ for expr in ['ul', 'ol', 'tabbed']:
+
+ m = RE.regExp[expr].match(line)
+ if m :
+ if expr in ['ul', 'ol'] : # We are looking at a new item
+ #if m.group(1) :
+ # Removed the check to allow for a blank line
+ # at the beginning of the list item
+ items.append([m.group(1)])
+ item += 1
+ elif expr == 'tabbed' : # This line needs to be detabbed
+ items[item].append(m.group(4)) #after the 'tab'
+
+ i += 1
+ break
+ else :
+ items[item].append(line) # Just regular continuation
+ i += 1 # added on 2006.02.25
+ else :
+ i += 1
+
+ # Add the dom elements
+ for item in items :
+ li = self.doc.createElement("li")
+ ul.appendChild(li)
+
+ self._processSection(li, item, inList + 1, looseList = looseList)
+
+ # Process the remaining part of the section
+
+ self._processSection(parent_elem, lines[i:], inList)
+
+
+ def _linesUntil(self, lines, condition) :
+ """ A utility function to break a list of lines upon the
+ first line that satisfied a condition. The condition
+ argument should be a predicate function.
+ """
+
+ i = -1
+ for line in lines :
+ i += 1
+ if condition(line) : break
+ else :
+ i += 1
+ return lines[:i], lines[i:]
+
+ def _processQuote(self, parent_elem, lines, inList) :
+ """Given a list of document lines starting with a quote finds
+ the end of the quote, unindents it and recursively
+ processes the body of the quote and 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 """
+
+ dequoted = []
+ i = 0
+ for line in lines :
+ m = RE.regExp['quoted'].match(line)
+ if m :
+ dequoted.append(m.group(1))
+ i += 1
+ else :
+ break
+ else :
+ i += 1
+
+ blockquote = self.doc.createElement('blockquote')
+ parent_elem.appendChild(blockquote)
+
+ self._processSection(blockquote, dequoted, inList)
+ self._processSection(parent_elem, lines[i:], inList)
+
+
+
+
+ def _processCodeBlock(self, parent_elem, lines, inList) :
+ """Given a list of document lines starting with a code block
+ finds the end of the block, puts it into the dom verbatim
+ wrapped in ("<pre><code>") 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("&", "&amp;")
+ code.appendChild(self.doc.createTextNode(text))
+ self._processSection(parent_elem, theRest, inList)
+
+
+
+ def _handleInlineWrapper (self, line) :
+
+ parts = [line]
+
+ for pattern in self.inlinePatterns :
+
+ i = 0
+
+ while i < len(parts) :
+
+ x = parts[i]
+
+ if isinstance(x, (str, unicode)) :
+ result = self._applyPattern(x, pattern)
+
+ if result :
+ i -= 1
+ parts.remove(x)
+ for y in result :
+ parts.insert(i+1,y)
+
+ i += 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) :
+
+ """ 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)
+
+ 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]
+ if self.safeMode :
+ html = HTML_REMOVED_TEXT
+
+ xml = xml.replace("<p>%s\n</p>" % (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
+
+
+ __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)
+
+
+
+
+
+
+
+
+
+
View
64 tools/site.html
@@ -0,0 +1,64 @@
+$def with (page)
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html>
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <title>$page.title (web.py)</title>
+ <link rel="stylesheet" type="text/css" href="/static/webpy-new.css"/>
+ <link rel="SHORTCUT ICON" href="/static/favicon.ico"/>
+ </head>
+<body>
+
+ <div id="header">
+ <span class="logo"><a href="/" title="Home"><img src="/static/webpy.gif" alt="" /></a></span>
+ <span class="blurb">&quot;Think about the ideal way to write a web app.<br />Write the code to make it happen.&quot; <a href="http://groups.google.com/group/webpy/msg/f266701d97e7ceb1">(More...)</a></span>
+ </div>
+
+ <div id="location">
+ <a href="/">home</a> &gt; $page.title
+ </div>
+
+<div id="container">
+ <div id="sidebar">
+ <strong>Get It:</strong><br />
+ &nbsp;<a href="/download">download</a><br />
+ &nbsp;<a href="/changes">change log</a><br />
+ <br />
+
+ <strong>Learn It:</strong><br />
+ &nbsp;<a href="/install">install</a><br />
+ &nbsp;<a href="/tutorial3.en">tutorial</a><br />
+
+ &nbsp;<a href="/faq">faq</a><br />
+ &nbsp;<a href="/docs/0.3">docs</a><br />
+ &nbsp;<a href="/recommended_setup">setup</a><br />
+ &nbsp;<a href="/cookbook">cookbook</a><br/>
+ <br />
+
+ <strong>Discuss It:</strong><br />
+ &nbsp;<a href="http://groups.google.com/group/webpy/">mailing list</a><br />
+ &nbsp;<a href="irc://irc.freenode.net/webpy">irc</a><br />
+ <br />
+
+ <strong>Follow It:</strong><br />
+ &nbsp;<a href="http://github.com/webpy/webpy">code</a><br />
+ &nbsp;<a href="http://launchpad.net/webpy">launchpad</a><br />
+</div>
+
+<div id="main">
+<div id="content">
+$:format(page.body)
+
+<div style="clear: both;"></div>
+
+</div>
+
+</div>
+
+ <div id="footer">
+ <p>started by <a style="color: gray;" href="http://www.aaronsw.com/">Aaron Swartz</a> (<a style="color: black;" href="mailto:webpy@aaronsw.com">webpy@aaronsw.com</a>)</p>
+</div>
+
+</body>
+</html>
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