def diagnose(data): """Diagnostic suite for isolating common problems.""" print("Diagnostic running on Beautiful Soup %s" % __version__) print("Python version %s" % sys.version) basic_parsers = ["html.parser", "html5lib", "lxml"] for name in basic_parsers: for builder in builder_registry.builders: if name in builder.features: break else: basic_parsers.remove(name) print(( "I noticed that %s is not installed. Installing it may help." % name)) if 'lxml' in basic_parsers: basic_parsers.append(["lxml", "xml"]) try: from lxml import etree print("Found lxml version %s" % ".".join(map(str, etree.LXML_VERSION))) except ImportError as e: print("lxml is not installed or couldn't be imported.") if 'html5lib' in basic_parsers: try: import html5lib print("Found html5lib version %s" % html5lib.__version__) except ImportError as e: print("html5lib is not installed or couldn't be imported.") if hasattr(data, 'read'): data = data.read() elif os.path.exists(data): print('"%s" looks like a filename. Reading data from the file.' % data) data = open(data).read() elif data.startswith("http:") or data.startswith("https:"): print('"%s" looks like a URL. Beautiful Soup is not an HTTP client.' % data) print( "You need to use some other library to get the document behind the URL, and feed that document to Beautiful Soup." ) return print() for parser in basic_parsers: print("Trying to parse your markup with %s" % parser) success = False try: soup = BeautifulSoup(data, parser) success = True except Exception as e: print("%s could not parse the markup." % parser) traceback.print_exc() if success: print("Here's what %s did with the markup:" % parser) print(soup.prettify()) print("-" * 80)
def diagnose(data): """Diagnostic suite for isolating common problems.""" print("Diagnostic running on Beautiful Soup %s" % __version__) print("Python version %s" % sys.version) basic_parsers = ["html.parser", "html5lib", "lxml"] for name in basic_parsers: for builder in builder_registry.builders: if name in builder.features: break else: basic_parsers.remove(name) print(( "I noticed that %s is not installed. Installing it may help." % name)) if 'lxml' in basic_parsers: basic_parsers.append(["lxml", "xml"]) try: from lxml import etree print("Found lxml version %s" % ".".join(map(str,etree.LXML_VERSION))) except ImportError as e: print ( "lxml is not installed or couldn't be imported.") if 'html5lib' in basic_parsers: try: import html5lib print("Found html5lib version %s" % html5lib.__version__) except ImportError as e: print ( "html5lib is not installed or couldn't be imported.") if hasattr(data, 'read'): data = data.read() elif os.path.exists(data): print('"%s" looks like a filename. Reading data from the file.' % data) data = open(data).read() elif data.startswith("http:") or data.startswith("https:"): print('"%s" looks like a URL. Beautiful Soup is not an HTTP client.' % data) print("You need to use some other library to get the document behind the URL, and feed that document to Beautiful Soup.") return print() for parser in basic_parsers: print("Trying to parse your markup with %s" % parser) success = False try: soup = BeautifulSoup(data, parser) success = True except Exception as e: print("%s could not parse the markup." % parser) traceback.print_exc() if success: print("Here's what %s did with the markup:" % parser) print(soup.prettify()) print("-" * 80)