[web2py] How to load processed values in same page as form exists ?
I have created a form that takes server ip, username and password. I use
pexpect to ssh into remote server, run a particular command and get basic
data related to that server. I am creating the form using controller and
also doing ssh in same controller and returning both form and processed
data from same controller. But, when I run the html it is not displaying
correct result, I am also confused on how I can load a table below add
button inside a same page but as different frame.
My Controller script as below:
# coding: utf8# try something likedef display():
import pexpect
import sys
import time
import cgi, cgitb
import getpass
import urllib3
import xml.etree.ElementTree as ET
import json
attr = ["Hostname", "Model Name", "Version", "connected count", "online
Count"]
form=FORM(DIV('server IP', INPUT(_name = 'ipaddr', requires =
IS_NOT_EMPTY()),
'Username', INPUT(_name = 'uname', requires =
IS_NOT_EMPTY()),
'Password',INPUT(_name = 'password', _type = 'password',
requires = IS_NOT_EMPTY()),
INPUT(_value='Add',_type='submit')))
valuelist = list()
if form.accepts(request,session):
response.flash = 'form accepted'
ssh_cmd = 'ssh'
username = request.vars['uname'].strip()
ip_addr = request.vars['ipaddr'].strip()
password = request.vars['password'].strip()
command = ssh_cmd+" "+username+"@"+ip_addr
try:
child = pexpect.spawn(command)
child.expect('(?i)password')
child.sendline(password)
child.expect('bash2.1# ')
child.sendline('show sys-summary general')
child.expect('bash2.1# ')
except Exception, e:
print e
print child.before
lines = child.before
for line in lines.split("\n"):
if any(word in line for word in attr):
keyValue = line.split(":", 1)
value = keyValue[1].strip()
valuelist.append(value)
sys.stdout.flush()
if child.isalive():
child.sendline('exit') # Try to ask ftp child to exit.
child.close()
if child.isalive():
print('Child did not exit gracefully.')
else:
print('Child exited gracefully.')
elif form.errors:
response.flash = 'form has errors'
else:
response.flash = 'please fill the form'
return dict(form=form, valuelist=valuelist)
Now my html code is as below. It is just simple and I want to test whether
that particular values has been received accordingly or not, hence I am
just calling returned value
View code is:
{{extend 'layout.html'}}Controller Page{{=form}}Submitted
variables{{=valuelist}}Accepted
variables{{=BEAUTIFY(form.vars)}}Errors in
form{{=BEAUTIFY(form.errors)}}
Could some one suggest, what change I can make so that I can see details of
server below add button itself ? Like
Server IP: Username: Password: add
222.222.222.222 examplehostname 333modelno 3.2 44 connected 22 online
Thanks !
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[web2py] JSON data in HTML web page
I am reading data from remote machine and converting it into dictionary
format
like
{IP: [192.111.111.111, 222.222.222.222, 333.333.333.333], "MAC":
[aa:aa:aa:aa, bb:bb:bb:bb, cc:cc:cc:cc], "conn": [wireless, wireless,
wireless]}
I am sending this dictionary to view which is index.html where I am dumping
this as json.dumps(mydict)
Now, I want to take this json data and format in a specific way so that I
can display on html page (index.html)
How would I do that ? Can I write jquery in index.html(view) or how would I
read json data and print it in proper readable format ?
Thanks !
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- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
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[web2py] gluon.rocket.SocketTimeout'>(Socket timed out before request Error
The Following code is giving "gluon.rocket.SocketTimeout'>(Socket timed out
before request" error
{{extend 'layout.html'}}
{{import xml.etree.ElementTree as ET}}
This is a Stations detail page
{{
filename = xmlfile
with open(filename, mode="r") as fp:
for line in fp:
print line
fp.close()
=BEAUTIFY(response._vars)
}}
Can somebody suggest what could be issue?
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[web2py] Exception in importing pexpect
I am trying to spawn a shell to remote machine in web2py and I am getting following exception Cannot import module 'pexpect' -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
[web2py] Exception seen for controller in web2py
I have controller in web2py as below
# coding: utf8
# try something like
#!/usr/local/python2.7
def index():
import pexpect
import sys
import time
import cgi, cgitb
import getpass
import urllib3
import elementtree.ElementTree as ET
ssh_cmd = 'ssh -t'
username = 'admin'
ip_addr = '192.***.***.***'
login = 'logging root'
password = 'password'
command = ssh_cmd+" "+username+"@"+ip_addr+" "+login
try:
child = pexpect.spawn(command)
child.expect('(?i)password')
child.sendline('admin')
child.expect('(?i)Password:')
child.sendline('abghtnnppst')
child.expect('-bash# ')
child.sendline('cd /root/siby')
child.expect('-bash# ')
child.sendline('perl analyzer_main.pl -s -i all')
child.expect('-bash# ')
except Exception, e:
print e
print child.before
lines = child.before
results = ET.Element("results")
for line in lines.split("\n"):
if 'MAC' in line:
station = ET.SubElement(results,"machine")
stnmac = ET.SubElement(machine,"mac")
stnip = ET.SubElement(machine,"ip")
apidname = ET.SubElement(machine,"name")
totalxput = ET.SubElement(machine,"input")
retry = ET.SubElement(machine, "retry")
if 'MAC' in line:
mac = line.split(":", 1)
mac.text = str(mac[1].strip())
if 'IP' in line:
ip = line.split(":")
ip.text = str(ip[1].strip())
if 'NAME' in line:
name = line.split(":")
name.text = str(name[1].strip())
if 'input' in line:
input = line.split(":")
input.text = str(input[1].strip())
if 'Retry' in line:
ret = line.split(":")
retry.text = str(ret[1].strip())
tree = ET.ElementTree(results)
tree.write('station.xml')
sys.stdout.flush()
if child.isalive():
child.sendline('exit') # Try to ask ftp child to exit.
child.close()
if child.isalive():
print('Child did not exit gracefully.')
else:
print('Child exited gracefully.')
xmlstr = ET.tostring(tree,encoding=None)
return dict(xmlstr)
In View I have the following code
{{extend 'layout.html'}}
This is the remotectrl/index.html template
{{=XML(xmlstr)}}
{{=BEAUTIFY(response._vars)}}
I want to print the XML data in webpage index.html
But it is giving me exception
8.
9.
10.
11.
12.
13.
14.
Traceback (most recent call last):
File "/root/python2.7/Python-2.7.6/web2py/gluon/restricted.py", line 220,
in restricted
exec ccode in environment
File
"/root/python2.7/Python-2.7.6/web2py/applications/get_station/controllers/remotectrl.py",
line 88, in
File "/root/python2.7/Python-2.7.6/web2py/gluon/globals.py", line 385, in
self._caller = lambda f: f()
File
"/root/python2.7/Python-2.7.6/web2py/applications/get_station/controllers/remotectrl.py",
line 85, in index
xmlstr = ET.tostring(tree,encoding=None)
File "build/bdist.linux-i686/egg/elementtree/ElementTree.py", line 1056,
in tostring
ElementTree(element).write(file, encoding)
File "build/bdist.linux-i686/egg/elementtree/ElementTree.py", line 584,
in __init__
assert element is None or iselement(element)
AssertionError
Error snapshot help
()
Not sure what is the issue here, why is it not printing XML data in to
index.html ?
Thanks for help
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