#!/usr/bin/env python """usage: %prog [options] filename Parse a document to a simpletree tree, with optional profiling """ import sys import os from optparse import OptionParser from html5lib import html5parser, sanitizer from html5lib.tokenizer import HTMLTokenizer from html5lib import treebuilders, serializer, treewalkers from html5lib import constants def parse(): optParser = getOptParser() opts,args = optParser.parse_args() encoding = None try: f = args[-1] # Try opening from the internet if f.startswith('http://'): try: import urllib, cgi f = urllib.urlopen(f) contentType = f.headers.get('content-type') if contentType: (mediaType, params) = cgi.parse_header(contentType) encoding = params.get('charset') except: pass elif f == '-': f = sys.stdin else: try: # Try opening from file system f = open(f) except IOError: pass except IndexError: sys.stderr.write("No filename provided. Use -h for help\n") sys.exit(1) treebuilder = treebuilders.getTreeBuilder(opts.treebuilder) if opts.sanitize: tokenizer = sanitizer.HTMLSanitizer else: tokenizer = HTMLTokenizer p = html5parser.HTMLParser(tree=treebuilder, tokenizer=tokenizer) if opts.fragment: parseMethod = p.parseFragment else: parseMethod = p.parse if opts.profile: #XXX should import cProfile instead and use that import hotshot import hotshot.stats prof = hotshot.Profile('stats.prof') prof.runcall(parseMethod, f, encoding=encoding) prof.close() # XXX - We should use a temp file here stats = hotshot.stats.load('stats.prof') stats.strip_dirs() stats.sort_stats('time') stats.print_stats() elif opts.time: import time t0 = time.time() document = parseMethod(f, encoding=encoding) t1 = time.time() printOutput(p, document, opts) t2 = time.time() sys.stderr.write("\n\nRun took: %fs (plus %fs to print the output)"%(t1-t0, t2-t1)) else: document = parseMethod(f, encoding=encoding) printOutput(p, document, opts) def printOutput(parser, document, opts): if opts.encoding: print "Encoding:", parser.tokenizer.stream.charEncoding if opts.xml: sys.stdout.write(document.toxml("utf-8")) elif opts.tree: if not hasattr(document,'__getitem__'): document = [document] for fragment in document: print parser.tree.testSerializer(fragment).encode("utf-8") elif opts.hilite: sys.stdout.write(document.hilite("utf-8")) elif opts.html: kwargs = {} for opt in serializer.HTMLSerializer.options: kwargs[opt] = getattr(opts,opt) if not kwargs['quote_char']: del kwargs['quote_char'] tokens = treewalkers.getTreeWalker(opts.treebuilder)(document) for text in serializer.HTMLSerializer(**kwargs).serialize(tokens, encoding='utf-8'): sys.stdout.write(text) if not text.endswith('\n'): sys.stdout.write('\n') if opts.error: errList=[] for pos, errorcode, datavars in parser.errors: errList.append("Line %i Col %i"%pos + " " + constants.E.get(errorcode, 'Unknown error "%s"' % errorcode) % datavars) sys.stdout.write("\nParse errors:\n" + "\n".join(errList)+"\n") def getOptParser(): parser = OptionParser(usage=__doc__) parser.add_option("-p", "--profile", action="store_true", default=False, dest="profile", help="Use the hotshot profiler to " "produce a detailed log of the run") parser.add_option("-t", "--time", action="store_true", default=False, dest="time", help="Time the run using time.time (may not be accurate on all platforms, especially for short runs)") parser.add_option("-b", "--treebuilder", action="store", type="string", dest="treebuilder", default="simpleTree") parser.add_option("-e", "--error", action="store_true", default=False, dest="error", help="Print a list of parse errors") parser.add_option("-f", "--fragment", action="store_true", default=False, dest="fragment", help="Parse as a fragment") parser.add_option("", "--tree", action="store_true", default=False, dest="tree", help="Output as debug tree") parser.add_option("-x", "--xml", action="store_true", default=False, dest="xml", help="Output as xml") parser.add_option("", "--no-html", action="store_false", default=True, dest="html", help="Don't output html") parser.add_option("", "--hilite", action="store_true", default=False, dest="hilite", help="Output as formatted highlighted code.") parser.add_option("-c", "--encoding", action="store_true", default=False, dest="encoding", help="Print character encoding used") parser.add_option("", "--inject-meta-charset", action="store_true", default=False, dest="inject_meta_charset", help="inject ") parser.add_option("", "--strip-whitespace", action="store_true", default=False, dest="strip_whitespace", help="strip whitespace") parser.add_option("", "--omit-optional-tags", action="store_true", default=False, dest="omit_optional_tags", help="omit optional tags") parser.add_option("", "--quote-attr-values", action="store_true", default=False, dest="quote_attr_values", help="quote attribute values") parser.add_option("", "--use-best-quote-char", action="store_true", default=False, dest="use_best_quote_char", help="use best quote character") parser.add_option("", "--quote-char", action="store", default=None, dest="quote_char", help="quote character") parser.add_option("", "--no-minimize-boolean-attributes", action="store_false", default=True, dest="minimize_boolean_attributes", help="minimize boolean attributes") parser.add_option("", "--use-trailing-solidus", action="store_true", default=False, dest="use_trailing_solidus", help="use trailing solidus") parser.add_option("", "--space-before-trailing-solidus", action="store_true", default=False, dest="space_before_trailing_solidus", help="add space before trailing solidus") parser.add_option("", "--escape-lt-in-attrs", action="store_true", default=False, dest="escape_lt_in_attrs", help="escape less than signs in attribute values") parser.add_option("", "--escape-rcdata", action="store_true", default=False, dest="escape_rcdata", help="escape rcdata element values") parser.add_option("", "--sanitize", action="store_true", default=False, dest="sanitize", help="sanitize") return parser if __name__ == "__main__": parse()