Python Lambda
Example of a definition to a lambda code : def func1(x, y): return x + y ##lambda would be : result = lambda x, y: x + y or (lambda x, y: x + y)(value1,value2)
PYTHON
Python “to be define”
Example 1 of how to simplify a code : vars = [1,2,3] result = [num * 2] for var in vars: result.append(num * 2) It can be simplify by : result = [num * 2 for var in vars] Example…
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Jinja2 Base Template
So in the following example we import template from jinja2 and then we define our template : text1 and bgp_config, Then we use the variable j2_template = and we call the template that we want : in this example config1….
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Jinja2 Structures
Variables : var: {{ variable_name_here }} Conditionals : ( you can have nested conditional too in your template ) {% if var ==’value’ %} text here {% elif var ==’other value’ %} text here {% else %} text here {%…
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Regular Expression Cheats
https://regex101.com/ <— is a online regex builder ! you can copy your output and then build your expression Medium.com has done an excellent/exceptional work and i did copy the content here for me for fast search, but all credit goes…
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TextFSM Creating a Template
Took me a moment to understand 😉 but the Start is how you define where to start from the output fields and then you specified the possible value ( variable ) of each header to create the table to be…
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TextFSM Structure
Template should look like this : #Definition Value VARIABLE (regular expression pattern) Value VARIABLE (regular expression pattern) Value VARIABLE (regular expression pattern) #TxtFSM Start Start ….Regex Expression for what you are looking for : ^Device.*ID -> LLDP LLDP ….^${VARIABLE}.* ->…
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Libraries
When calling for library there is different way of doing this . import re Then you need to specify the re.search to be able to use the search function. from re import search Then no need to use the re.search…
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CiscoConfParse Methods
This is the methods available for CiscoConfParse : find_all_children(linespec, exactmatch=False, ignore_ws=False) Returns the parents matching the linespec, and all their children. This method is different than find_children(), because find_all_children() finds children of children. find_children() only finds immediate children. Parameters linespecstr Text regular expression for the line to…
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CiscoConfParse
CiscoConfParse is a library for Cisco device. : pip install ciscoconfparse Example : from ciscoconfparse import ciscoconfparse Cisco_obj = CiscoConfParse(“show_run.txt”) print(Cisco_obj) <—- this will return all the information about that object If using Netmiko to pull information from any device into a…
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