You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
import re
|
|
|
|
|
|
uids = {}
|
|
RE_COLLAPSE_WHITESPACES = re.compile('\s+', re.U)
|
|
|
|
|
|
def open_in_browser(html):
|
|
"""
|
|
Open the HTML document in a web browser, saving it to a temporary
|
|
file to open it. Note that this does not delete the file after
|
|
use. This is mainly meant for debugging.
|
|
"""
|
|
import os
|
|
import webbrowser
|
|
import tempfile
|
|
handle, fn = tempfile.mkstemp(suffix='.html')
|
|
f = os.fdopen(handle, 'wb')
|
|
try:
|
|
f.write("<meta charset='UTF-8' />")
|
|
f.write(html.encode('utf-8'))
|
|
finally:
|
|
# we leak the file itself here, but we should at least close it
|
|
f.close()
|
|
url = 'file://' + fn.replace(os.path.sep, '/')
|
|
webbrowser.open(url)
|
|
return url
|
|
|
|
|
|
def describe_node(node):
|
|
if node is None:
|
|
return ''
|
|
if not hasattr(node, 'tag'):
|
|
return "[%s]" % type(node)
|
|
name = node.tag
|
|
if node.get('id', ''):
|
|
name += '#' + node.get('id')
|
|
if node.get('class', ''):
|
|
name += '.' + node.get('class').replace(' ', '.')
|
|
if name[:4] in ['div#', 'div.']:
|
|
name = name[3:]
|
|
if name in ['tr', 'td', 'div', 'p']:
|
|
uid = uids.get(node)
|
|
if uid is None:
|
|
uid = uids[node] = len(uids) + 1
|
|
name += "{%02d}" % uid
|
|
return name
|
|
|
|
|
|
def describe(node, depth=2):
|
|
#return repr(NodeRepr(node))
|
|
parent = ''
|
|
if depth and node.getparent() is not None:
|
|
parent = describe(node.getparent(), depth=depth - 1)
|
|
return parent + '/' + describe_node(node)
|
|
|
|
|
|
def text_content(elem, length=40):
|
|
content = RE_COLLAPSE_WHITESPACES.sub(' ', elem.text_content().replace('\r', ''))
|
|
if len(content) < length:
|
|
return content
|
|
return content[:length] + '...'
|