bracket_expansion

This library provides functions that allow you to define a string that contains brackets with numeric-ranges, and then expands that into a list of actual values.

There are two functions defined. The first function bracket_expansion will create a generator. You can then iterate through the generator.

The expansion supports multiple brackets. See examples.

If you want to create a concrete list from the generate, there is a function called expand which will do this as a convenience.

Installation

$ pip install bracket_expansion

Usage

Simple example:

from bracket_expansion import bracket_expansion

for if_name in bracket_expansion("Ethernet[1-48]"):
    print(if_name)

Would result in the output:

Ethernet1
Ethernet2
Ethernet3
...
Ethernet48

Multiple brackets:

You can define multiple brackets in the expression:

from bracket_expansion import bracket_expansion

for if_name in bracket_expansion("Ethernet[1-2]/[1-10]"):
    print(if_name)

Would result in the output:

Ethernet1/1
Ethernet1/2
...
Ethernet1/10
Ethernet2/1
Ethernet2/2
...
Ethernet2/10

For more details see the bracket_expansion docstring.