def get_element_by_class(class_name, html):
- return get_element_by_attribute(
+ """Return the content of the first tag with the specified class in the passed HTML document"""
+ retval = get_elements_by_class(class_name, html)
+ return retval[0] if retval else None
+
+
+def get_element_by_attribute(attribute, value, html, escape_value=True):
+ retval = get_elements_by_attribute(attribute, value, html, escape_value)
+ return retval[0] if retval else None
+
+
+def get_elements_by_class(class_name, html):
+ """Return the content of all tags with the specified class in the passed HTML document as a list"""
+ return get_elements_by_attribute(
'class', r'[^\'"]*\b%s\b[^\'"]*' % re.escape(class_name),
html, escape_value=False)
-def get_element_by_attribute(attribute, value, html, escape_value=True):
+def get_elements_by_attribute(attribute, value, html, escape_value=True):
"""Return the content of the tag with the specified attribute in the passed HTML document"""
value = re.escape(value) if escape_value else value
- m = re.search(r'''(?xs)
+ retlist = []
+ for m in re.finditer(r'''(?xs)
<([a-zA-Z0-9:._-]+)
(?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'))*?
\s+%s=['"]?%s['"]?
\s*>
(?P<content>.*?)
</\1>
- ''' % (re.escape(attribute), value), html)
+ ''' % (re.escape(attribute), value), html):
+ res = m.group('content')
- if not m:
- return None
- res = m.group('content')
+ if res.startswith('"') or res.startswith("'"):
+ res = res[1:-1]
- if res.startswith('"') or res.startswith("'"):
- res = res[1:-1]
+ retlist.append(unescapeHTML(res))
- return unescapeHTML(res)
+ return retlist
class HTMLAttributeParser(compat_HTMLParser):
libc = ctypes.cdll.LoadLibrary('libc.so.6')
except OSError:
return
+ except TypeError:
+ # LoadLibrary in Windows Python 2.7.13 only expects
+ # a bytestring, but since unicode_literals turns
+ # every string into a unicode string, it fails.
+ return
title_bytes = title.encode('utf-8')
buf = ctypes.create_string_buffer(len(title_bytes))
buf.value = title_bytes