Filtering data from system.net.httpGet

Ignition
1

I am trying to use the example in the manual for system.net.httpGet and I am unable to figure out the correct expression and match to pull the data values I need. I am able to reach the page and get the string of info back but I am to get the information I need out of it.

The data I need is coming back in this format Value

2

I think this topic may help you out.

3

Your post helped but I am still screwing up something somewheres.

A system.net.httpGet gives me <temp_f>51.0</temp_f> <r_humid>99</r_humid>

My script is to extract the values from that is [code]response = system.net.httpGet(“http://191.192.168.50/index.xml”)

import Python’s regular expression library

import re

NOTE - if you’ve never seen regular expressions before, don’t worry, they look

confusing even to people who use them frequently.

pattern = re.compile(’.?<.?>(.?)</.?>’, re.DOTALL)

match = pattern.match(response)

if match:

subText = match.group(1)

temp_f = re.compile(’.?temp_f"(.?)"’).match(subText).group(1)

r_humid = re.compile(’.?r_humid"(.?)"’).match(subText).group(1)

print "Temperature: ", temp_f

print "Humidity: ", r_humid

else:

print ‘No Data’[/code]

Only part that’s working so far is the print 'No Data" :smiley:

4

Could you post what gets returned from the httpGet? That might let me wrap my head around it a little better.

EDIT: Never mind. I need more coffee… :laughing:

5

Let’s try simplifying a bit.

re.findall will return a list of values:

[code]response="""<temp_f>51.0</temp_f>
<r_humid>99</r_humid>"""

import re
pattern = re.compile(’.?<.?>(.?)</.?>’, re.DOTALL)

match=re.findall(pattern, response)
print “temp_f:”, match[0]
print “r_humid:”, match[1]
[/code]

6

That worked!