--- /dev/null
+#!/usr/bin/env python
+"""html2text: Turn HTML into equivalent Markdown-structured text."""
+__version__ = "2.35"
+__author__ = "Aaron Swartz (me@aaronsw.com)"
+__copyright__ = "(C) 2004-2008 Aaron Swartz. GNU GPL 3."
+__contributors__ = ["Martin 'Joey' Schulze", "Ricardo Reyes"]
+
+# TODO:
+# Support decoded entities with unifiable.
+# Relative URL resolution
+
+if not hasattr(__builtins__, 'True'): True, False = 1, 0
+import re, sys, urllib, htmlentitydefs, codecs, StringIO, types
+import sgmllib
+sgmllib.charref = re.compile('&#([xX]?[0-9a-fA-F]+)[^0-9a-fA-F]')
+
+try: from textwrap import wrap
+except: pass
+
+# Use Unicode characters instead of their ascii psuedo-replacements
+UNICODE_SNOB = 0
+
+# Put the links after each paragraph instead of at the end.
+LINKS_EACH_PARAGRAPH = 0
+
+# Wrap long lines at position. 0 for no wrapping. (Requires Python 2.3.)
+BODY_WIDTH = 78
+
+# Don't show internal links (href="#local-anchor") -- corresponding link targets
+# won't be visible in the plain text file anyway.
+SKIP_INTERNAL_LINKS = False
+
+### Entity Nonsense ###
+
+def name2cp(k):
+ if k == 'apos': return ord("'")
+ if hasattr(htmlentitydefs, "name2codepoint"): # requires Python 2.3
+ return htmlentitydefs.name2codepoint[k]
+ else:
+ k = htmlentitydefs.entitydefs[k]
+ if k.startswith("&#") and k.endswith(";"): return int(k[2:-1]) # not in latin-1
+ return ord(codecs.latin_1_decode(k)[0])
+
+unifiable = {'rsquo':"'", 'lsquo':"'", 'rdquo':'"', 'ldquo':'"',
+'copy':'(C)', 'mdash':'--', 'nbsp':' ', 'rarr':'->', 'larr':'<-', 'middot':'*',
+'ndash':'-', 'oelig':'oe', 'aelig':'ae',
+'agrave':'a', 'aacute':'a', 'acirc':'a', 'atilde':'a', 'auml':'a', 'aring':'a',
+'egrave':'e', 'eacute':'e', 'ecirc':'e', 'euml':'e',
+'igrave':'i', 'iacute':'i', 'icirc':'i', 'iuml':'i',
+'ograve':'o', 'oacute':'o', 'ocirc':'o', 'otilde':'o', 'ouml':'o',
+'ugrave':'u', 'uacute':'u', 'ucirc':'u', 'uuml':'u'}
+
+unifiable_n = {}
+
+for k in unifiable.keys():
+ unifiable_n[name2cp(k)] = unifiable[k]
+
+def charref(name):
+ if name[0] in ['x','X']:
+ c = int(name[1:], 16)
+ else:
+ c = int(name)
+
+ if not UNICODE_SNOB and c in unifiable_n.keys():
+ return unifiable_n[c]
+ else:
+ return unichr(c)
+
+def entityref(c):
+ if not UNICODE_SNOB and c in unifiable.keys():
+ return unifiable[c]
+ else:
+ try: name2cp(c)
+ except KeyError: return "&" + c
+ else: return unichr(name2cp(c))
+
+def replaceEntities(s):
+ s = s.group(1)
+ if s[0] == "#":
+ return charref(s[1:])
+ else: return entityref(s)
+
+r_unescape = re.compile(r"&(#?[xX]?(?:[0-9a-fA-F]+|\w{1,8}));")
+def unescape(s):
+ return r_unescape.sub(replaceEntities, s)
+
+def fixattrs(attrs):
+ # Fix bug in sgmllib.py
+ if not attrs: return attrs
+ newattrs = []
+ for attr in attrs:
+ newattrs.append((attr[0], unescape(attr[1])))
+ return newattrs
+
+### End Entity Nonsense ###
+
+def onlywhite(line):
+ """Return true if the line does only consist of whitespace characters."""
+ for c in line:
+ if c is not ' ' and c is not ' ':
+ return c is ' '
+ return line
+
+def optwrap(text):
+ """Wrap all paragraphs in the provided text."""
+ if not BODY_WIDTH:
+ return text
+
+ assert wrap, "Requires Python 2.3."
+ result = ''
+ newlines = 0
+ for para in text.split("\n"):
+ if len(para) > 0:
+ if para[0] is not ' ' and para[0] is not '-' and para[0] is not '*':
+ for line in wrap(para, BODY_WIDTH):
+ result += line + "\n"
+ result += "\n"
+ newlines = 2
+ else:
+ if not onlywhite(para):
+ result += para + "\n"
+ newlines = 1
+ else:
+ if newlines < 2:
+ result += "\n"
+ newlines += 1
+ return result
+
+def hn(tag):
+ if tag[0] == 'h' and len(tag) == 2:
+ try:
+ n = int(tag[1])
+ if n in range(1, 10): return n
+ except ValueError: return 0
+
+class _html2text(sgmllib.SGMLParser):
+ def __init__(self, out=sys.stdout.write):
+ sgmllib.SGMLParser.__init__(self)
+
+ if out is None: self.out = self.outtextf
+ else: self.out = out
+ self.outtext = u''
+ self.quiet = 0
+ self.p_p = 0
+ self.outcount = 0
+ self.start = 1
+ self.space = 0
+ self.a = []
+ self.astack = []
+ self.acount = 0
+ self.list = []
+ self.blockquote = 0
+ self.pre = 0
+ self.startpre = 0
+ self.lastWasNL = 0
+ self.abbr_title = None # current abbreviation definition
+ self.abbr_data = None # last inner HTML (for abbr being defined)
+ self.abbr_list = {} # stack of abbreviations to write later
+
+ def outtextf(self, s):
+ self.outtext += s
+
+ def close(self):
+ sgmllib.SGMLParser.close(self)
+
+ self.pbr()
+ self.o('', 0, 'end')
+
+ return self.outtext
+
+ def handle_charref(self, c):
+ self.o(charref(c))
+
+ def handle_entityref(self, c):
+ self.o(entityref(c))
+
+ def unknown_starttag(self, tag, attrs):
+ self.handle_tag(tag, attrs, 1)
+
+ def unknown_endtag(self, tag):
+ self.handle_tag(tag, None, 0)
+
+ def previousIndex(self, attrs):
+ """ returns the index of certain set of attributes (of a link) in the
+ self.a list
+
+ If the set of attributes is not found, returns None
+ """
+ if not attrs.has_key('href'): return None
+
+ i = -1
+ for a in self.a:
+ i += 1
+ match = 0
+
+ if a.has_key('href') and a['href'] == attrs['href']:
+ if a.has_key('title') or attrs.has_key('title'):
+ if (a.has_key('title') and attrs.has_key('title') and
+ a['title'] == attrs['title']):
+ match = True
+ else:
+ match = True
+
+ if match: return i
+
+ def handle_tag(self, tag, attrs, start):
+ attrs = fixattrs(attrs)
+
+ if hn(tag):
+ self.p()
+ if start: self.o(hn(tag)*"#" + ' ')
+
+ if tag in ['p', 'div']: self.p()
+
+ if tag == "br" and start: self.o(" \n")
+
+ if tag == "hr" and start:
+ self.p()
+ self.o("* * *")
+ self.p()
+
+ if tag in ["head", "style", 'script']:
+ if start: self.quiet += 1
+ else: self.quiet -= 1
+
+ if tag in ["body"]:
+ self.quiet = 0 # sites like 9rules.com never close <head>
+
+ if tag == "blockquote":
+ if start:
+ self.p(); self.o('> ', 0, 1); self.start = 1
+ self.blockquote += 1
+ else:
+ self.blockquote -= 1
+ self.p()
+
+ if tag in ['em', 'i', 'u']: self.o("_")
+ if tag in ['strong', 'b']: self.o("**")
+ if tag == "code" and not self.pre: self.o('`') #TODO: `` `this` ``
+ if tag == "abbr":
+ if start:
+ attrsD = {}
+ for (x, y) in attrs: attrsD[x] = y
+ attrs = attrsD
+
+ self.abbr_title = None
+ self.abbr_data = ''
+ if attrs.has_key('title'):
+ self.abbr_title = attrs['title']
+ else:
+ if self.abbr_title != None:
+ self.abbr_list[self.abbr_data] = self.abbr_title
+ self.abbr_title = None
+ self.abbr_data = ''
+
+ if tag == "a":
+ if start:
+ attrsD = {}
+ for (x, y) in attrs: attrsD[x] = y
+ attrs = attrsD
+ if attrs.has_key('href') and not (SKIP_INTERNAL_LINKS and attrs['href'].startswith('#')):
+ self.astack.append(attrs)
+ self.o("[")
+ else:
+ self.astack.append(None)
+ else:
+ if self.astack:
+ a = self.astack.pop()
+ if a:
+ i = self.previousIndex(a)
+ if i is not None:
+ a = self.a[i]
+ else:
+ self.acount += 1
+ a['count'] = self.acount
+ a['outcount'] = self.outcount
+ self.a.append(a)
+ self.o("][" + `a['count']` + "]")
+
+ if tag == "img" and start:
+ attrsD = {}
+ for (x, y) in attrs: attrsD[x] = y
+ attrs = attrsD
+ if attrs.has_key('src'):
+ attrs['href'] = attrs['src']
+ alt = attrs.get('alt', '')
+ i = self.previousIndex(attrs)
+ if i is not None:
+ attrs = self.a[i]
+ else:
+ self.acount += 1
+ attrs['count'] = self.acount
+ attrs['outcount'] = self.outcount
+ self.a.append(attrs)
+ self.o("![")
+ self.o(alt)
+ self.o("]["+`attrs['count']`+"]")
+
+ if tag == 'dl' and start: self.p()
+ if tag == 'dt' and not start: self.pbr()
+ if tag == 'dd' and start: self.o(' ')
+ if tag == 'dd' and not start: self.pbr()
+
+ if tag in ["ol", "ul"]:
+ if start:
+ self.list.append({'name':tag, 'num':0})
+ else:
+ if self.list: self.list.pop()
+
+ self.p()
+
+ if tag == 'li':
+ if start:
+ self.pbr()
+ if self.list: li = self.list[-1]
+ else: li = {'name':'ul', 'num':0}
+ self.o(" "*len(self.list)) #TODO: line up <ol><li>s > 9 correctly.
+ if li['name'] == "ul": self.o("* ")
+ elif li['name'] == "ol":
+ li['num'] += 1
+ self.o(`li['num']`+". ")
+ self.start = 1
+ else:
+ self.pbr()
+
+ if tag in ["table", "tr"] and start: self.p()
+ if tag == 'td': self.pbr()
+
+ if tag == "pre":
+ if start:
+ self.startpre = 1
+ self.pre = 1
+ else:
+ self.pre = 0
+ self.p()
+
+ def pbr(self):
+ if self.p_p == 0: self.p_p = 1
+
+ def p(self): self.p_p = 2
+
+ def o(self, data, puredata=0, force=0):
+ if self.abbr_data is not None: self.abbr_data += data
+
+ if not self.quiet:
+ if puredata and not self.pre:
+ data = re.sub('\s+', ' ', data)
+ if data and data[0] == ' ':
+ self.space = 1
+ data = data[1:]
+ if not data and not force: return
+
+ if self.startpre:
+ #self.out(" :") #TODO: not output when already one there
+ self.startpre = 0
+
+ bq = (">" * self.blockquote)
+ if not (force and data and data[0] == ">") and self.blockquote: bq += " "
+
+ if self.pre:
+ bq += " "
+ data = data.replace("\n", "\n"+bq)
+
+ if self.start:
+ self.space = 0
+ self.p_p = 0
+ self.start = 0
+
+ if force == 'end':
+ # It's the end.
+ self.p_p = 0
+ self.out("\n")
+ self.space = 0
+
+
+ if self.p_p:
+ self.out(('\n'+bq)*self.p_p)
+ self.space = 0
+
+ if self.space:
+ if not self.lastWasNL: self.out(' ')
+ self.space = 0
+
+ if self.a and ((self.p_p == 2 and LINKS_EACH_PARAGRAPH) or force == "end"):
+ if force == "end": self.out("\n")
+
+ newa = []
+ for link in self.a:
+ if self.outcount > link['outcount']:
+ self.out(" ["+`link['count']`+"]: " + link['href']) #TODO: base href
+ if link.has_key('title'): self.out(" ("+link['title']+")")
+ self.out("\n")
+ else:
+ newa.append(link)
+
+ if self.a != newa: self.out("\n") # Don't need an extra line when nothing was done.
+
+ self.a = newa
+
+ if self.abbr_list and force == "end":
+ for abbr, definition in self.abbr_list.items():
+ self.out(" *[" + abbr + "]: " + definition + "\n")
+
+ self.p_p = 0
+ self.out(data)
+ self.lastWasNL = data and data[-1] == '\n'
+ self.outcount += 1
+
+ def handle_data(self, data):
+ if r'\/script>' in data: self.quiet -= 1
+ self.o(data, 1)
+
+ def unknown_decl(self, data): pass
+
+def wrapwrite(text): sys.stdout.write(text.encode('utf8'))
+
+def html2text_file(html, out=wrapwrite):
+ h = _html2text(out)
+ h.feed(html)
+ h.feed("")
+ return h.close()
+
+def html2text(html):
+ return optwrap(html2text_file(html, None))
+
+if __name__ == "__main__":
+ if sys.argv[1:]:
+ arg = sys.argv[1]
+ if arg.startswith('http://'):
+ j = urllib.urlopen(arg)
+ try:
+ from feedparser import _getCharacterEncoding as enc
+ except ImportError:
+ enc = lambda x, y: ('utf-8', 1)
+ text = j.read()
+ encoding = enc(j.headers, text)[0]
+ if encoding == 'us-ascii': encoding = 'utf-8'
+ data = text.decode(encoding)
+
+ else:
+ encoding = 'utf8'
+ if len(sys.argv) > 2:
+ encoding = sys.argv[2]
+ data = open(arg, 'r').read().decode(encoding)
+ else:
+ data = sys.stdin.read().decode('utf8')
+ wrapwrite(html2text(data))
+
git.samba.org / metze / wireshark / wip.git / commitdiff