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)
