IOS get_bgp_neighbors_detail(): ValueError: invalid literal for int() with base 10: ''

[smaxx1337]

Description of Issue/Question

When we try to get a detailed view of the BGP neighbors by calling get_bgp_neighbors_detail(), we receive the error: ValueError: invalid literal for int() with base 10: ''

However, get_bgp_neighbors() works fine.

Did you follow the steps from https://github.com/napalm-automation/napalm#faq

(Place an x between the square brackets where applicable)

• [x] Yes
• [] No

Setup

napalm version

(Paste verbatim output from pip freeze | grep napalm between quotes below)

napalm==3.0.0

Network operating system version

(Paste verbatim output from show version - or equivalent - between quotes below)

Cisco IOS XE Software, Version 16.09.04

Steps to Reproduce the Issue

We used this code for testing:

#!/usr/bin/python3.6
import napalm
import pprint

driver = napalm.get_network_driver("ios")

device = driver(
    hostname="123.123.123.123",
    username="username",
    password="password",
    optional_args={'port':1234, 'secret':'secret'}
)

device.open()

a = device.get_bgp_neighbors_detail()

pprint.pprint(a)

device.close()

Error Traceback

(Paste the complete traceback of the exception between quotes below)

Traceback (most recent call last):
  File "napalm_test.py", line 18, in <module>
    a = device.get_bgp_neighbors_detail()
  File "/usr/lib/python3.6/site-packages/napalm/ios/ios.py", line 2004, in get_bgp_neighbors_detail
    bgp_neigh_afi["flap_count"]
  File "/usr/lib/python3.6/site-packages/napalm/base/helpers.py", line 375, in as_number
    return int(as_number_str)
ValueError: invalid literal for int() with base 10: ''

[smaxx1337]

FYI: I have tried to "quickfix" it by adding this on line 375 in "napalm/base/helpers.py": return int(as_number_str) if as_number_str.isdigit() else None However, got the next error then:

Traceback (most recent call last):
  File "napalm_test.py", line 18, in <module>
    a = device.get_bgp_neighbors_detail()
  File "/usr/lib/python3.6/site-packages/napalm/ios/ios.py", line 1913, in get_bgp_neighbors_detail
    "remote_address": napalm.base.helpers.ip(bgp_neigh["neighbor"]),
  File "/usr/lib/python3.6/site-packages/napalm/base/helpers.py", line 362, in ip
    addr_obj = IPAddress(addr)
  File "/usr/lib/python3.6/site-packages/netaddr/ip/__init__.py", line 306, in __init__
    'address from %r' % addr)
netaddr.core.AddrFormatError: failed to detect a valid IP address from ''

[mirceaulinic]

@smaxx1337 the way I usually debug this sort of things is adding another test case for the impacted method (i.e., a new directory under https://github.com/napalm-automation/napalm/tree/develop/test/ios/mocked_data/test_get_bgp_neighbors_detail, say issue_1213) where I dump the data that's causing the trouble. Then, I start crafting around that. tox is your friend in this case. :-) Feel free to open a PR with what you have so far (including the mock data), even if WIP, and maybe we can help / guide you. Cheers. :wink: