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Python - Get html table element with lxml.html regex


Python - Get html table element with lxml.html regex

By : Hamid Kazem Nadi
Date : October 17 2020, 03:08 PM
this one helps. I am trying to get the following element of the following website: https://www.investing.com/economic-calendar/ , I'm from Upwork. I guess this is what you want
code :
results[3].xpath("//td[contains(@class,'actual')]")


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When using LXML why is the body element not the parent of the table element in this snippet of html

When using LXML why is the body element not the parent of the table element in this snippet of html


By : Catherine Griswold
Date : March 29 2020, 07:55 AM
this will help I am trying to process some files that are named xls and can be opened in Excel but they are web archive files There are some nested tables, I want to work first with only the non-nested tables. I thought I could catch the non-nested tables by looking only for those tables whose parent element had a body tag but for none of my tables is table.get_parent().tag=='body' true. Even for the table snip below the tag of the parent element of that particular table is a div tag , xpath to the rescue
code :
tree = html.fromstring(someString)
table_tops = set(tree.xpath('//table'))-set(tree.xpath('//table//table'))
myTree=html.fromstring(someString)
table_tops = set(myTree.cssselect('table'))-set(myTree.cssselect('table table'))
How to surround an html element with another tag using lxml in Python

How to surround an html element with another tag using lxml in Python


By : Micheal Priestas
Date : March 29 2020, 07:55 AM
This might help you I believe you are thinking it the wrong way: you cannot wrap an element around another. What you need to do is to copy the contents of the

into a variable, delete the

element, create a

element into where the

element used to be and then add the contents of the

element into the

.
Python Print element from lxml html

Python Print element from lxml html


By : Alexey Kleyms
Date : March 29 2020, 07:55 AM
around this issue Trying to print out the entire element retrieved from lxml. , There is function tostring() in lxml.html
code :
import lxml, lxml.html

print lxml.html.tostring(element)
print 'Quote', html.tostring(quote[0])
for x in quote:
    print 'Quote', html.tostring(x)
Extract HTML comments in Python, using regex or lxml?

Extract HTML comments in Python, using regex or lxml?


By : Gia Sơn
Date : March 29 2020, 07:55 AM
I hope this helps you . How do I extract all HTML-style comments from a document, using Python? , This seems to print the comment for me:
code :
from lxml import etree
txt = """<?xml version="1.0" encoding="UTF-8"?>
<clinical_study rank="220398">
  <intervention_browse>
    <!-- CAUTION:  The following MeSH terms are assigned with an imperfect algorithm  -->
    <mesh_term>Freund's Adjuvant</mesh_term>
    <mesh_term>Keyhole-limpet hemocyanin</mesh_term>
  </intervention_browse>
  <!-- Results have not yet been posted for this study                                -->
</clinical_study>"""
root = etree.XML(txt)
print root[0][0]
comments = [itm for itm in root if itm.tag is etree.Comment]:
if comments:
    print comments[-1]
Python lxml html xpath regex parsing

Python lxml html xpath regex parsing


By : DisplayName=
Date : March 29 2020, 07:55 AM
this one helps. str.strip returns a stripped text, but does not change text.
code :
>>> text = '    a    '
>>> text.strip()   # returns a new string
'a'
>>> text  # `text` is not changed
'    a    '
str(text).strip()
text = text.strip()
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