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CursoPythonDavidBombal/m01_basics/l_08_enums_constants_etc.py
Antonio Torres Míguez 8456ae9c2a ultimos cambios
2021-01-11 11:19:10 +01:00

124 lines
4.7 KiB
Python

from random import choice
import string
from tabulate import tabulate
from operator import itemgetter
from enum import Enum
# CONSTANTS: just use the name itself, e.g. CISCO
# CISCO = "cisco"
# JUNIPER = "juniper"
# ARISTA = "arista"
# CLASS: use class name and class variable, e.g. Vendor.CISCO
# class Vendor:
# CISCO = "cisco"
# JUNIPER = "juniper"
# ARISTA = "arista"
# ENUM: use class name and enum, which has 'name' and 'value' attributes
# e.g. Vendor.CISCO.name or Vendor.CISCO.value
# class Vendor(Enum):
# CISCO = 1
# JUNIPER = 2
# ARISTA = 3
# ENUM: use class name and enum, which has 'name' and 'value' attributes
# e.g. Vendor.CISCO.name or Vendor.CISCO.value
class Vendor(Enum):
CISCO = "cisco"
JUNIPER = "juniper"
ARISTA = "arista"
devices = list() # CREATE EMPTY LIST FOR HOLDING DEVICES
# FOR LOOP TO CREATE LARGE NUMBER OF DEVICES
for index in range(20):
# CREATE DEVICE DICTIONARY
device = dict()
# RANDOM DEVICE NAME
device["name"] = (
choice(["r2", "r3", "r4", "r6", "r10"])
+ choice(["L", "U"])
+ choice(string.ascii_letters)
)
# USING LITERALS: RANDOM VENDOR FROM CHOICE OF CISCO, JUNIPER, ARISTA
# device["vendor"] = choice(["cisco", "juniper", "arista"])
# if device["vendor"] == "cisco":
# device["os"] = choice(["ios", "iosxe", "iosxr", "nexus"])
# device["version"] = choice(["12.1(T).04", "14.07X", "8.12(S).010", "20.45"])
# elif device["vendor"] == "juniper":
# device["os"] = "junos"
# device["version"] = choice(["J6.23.1", "8.43.12", "6.45", "6.03"])
# elif device["vendor"] == "arista":
# device["os"] = "eos"
# device["version"] = choice(["2.45", "2.55", "2.92.145", "3.01"])
# USING CONSTANTS: RANDOM VENDOR FROM CHOICE OF CISCO, JUNIPER, ARISTA
# device["vendor"] = choice([CISCO, JUNIPER, ARISTA])
# if device["vendor"] == CISCO:
# device["os"] = choice(["ios", "iosxe", "iosxr", "nexus"])
# device["version"] = choice(["12.1(T).04", "14.07X", "8.12(S).010", "20.45"])
# elif device["vendor"] == JUNIPER:
# device["os"] = "junos"
# device["version"] = choice(["J6.23.1", "8.43.12", "6.45", "6.03"])
# elif device["vendor"] == ARISTA:
# device["os"] = "eos"
# device["version"] = choice(["2.45", "2.55", "2.92.145", "3.01"])
# USING CLASS: RANDOM VENDOR FROM CHOICE OF CISCO, JUNIPER, ARISTA
# device["vendor"] = choice([Vendor.CISCO, Vendor.JUNIPER, Vendor.ARISTA])
# if device["vendor"] == Vendor.CISCO:
# device["os"] = choice(["ios", "iosxe", "iosxr", "nexus"])
# device["version"] = choice(["12.1(T).04", "14.07X", "8.12(S).010", "20.45"])
# elif device["vendor"] == Vendor.JUNIPER:
# device["os"] = "junos"
# device["version"] = choice(["J6.23.1", "8.43.12", "6.45", "6.03"])
# elif device["vendor"] == Vendor.ARISTA:
# device["os"] = "eos"
# device["version"] = choice(["2.45", "2.55", "2.92.145", "3.01"])
# USING ENUMS (NAME): RANDOM VENDOR FROM CHOICE OF CISCO, JUNIPER, ARISTA
# device["vendor"] = choice([Vendor.CISCO.name, Vendor.JUNIPER.name, Vendor.ARISTA.name])
# if device["vendor"] == Vendor.CISCO.name:
# device["os"] = choice(["ios", "iosxe", "iosxr", "nexus"])
# device["version"] = choice(["12.1(T).04", "14.07X", "8.12(S).010", "20.45"])
# elif device["vendor"] == Vendor.JUNIPER.name:
# device["os"] = "junos"
# device["version"] = choice(["J6.23.1", "8.43.12", "6.45", "6.03"])
# elif device["vendor"] == Vendor.ARISTA.name:
# device["os"] = "eos"
# device["version"] = choice(["2.45", "2.55", "2.92.145", "3.01"])
# USING ENUMS (VALUE): RANDOM VENDOR FROM CHOICE OF CISCO, JUNIPER, ARISTA
device["vendor"] = choice([Vendor.CISCO.value, Vendor.JUNIPER.value, Vendor.ARISTA.value])
if device["vendor"] == Vendor.CISCO.value:
device["os"] = choice(["ios", "iosxe", "iosxr", "nexus"])
device["version"] = choice(["12.1(T).04", "14.07X", "8.12(S).010", "20.45"])
elif device["vendor"] == Vendor.JUNIPER.value:
device["os"] = "junos"
device["version"] = choice(["J6.23.1", "8.43.12", "6.45", "6.03"])
elif device["vendor"] == Vendor.ARISTA.value:
device["os"] = "eos"
device["version"] = choice(["2.45", "2.55", "2.92.145", "3.01"])
device["ip"] = "10.0.0." + str(index)
# NICELY FORMATTED PRINT OF THIS ONE DEVICE
print()
for key, value in device.items():
print(f"{key:>16s} : {value}")
# ADD THIS DEVICE TO THE LIST OF DEVICES
devices.append(device)
# USE 'TABULATE' TO PRINT TABLE OF DEVICES
print()
print(tabulate(sorted(devices, key=itemgetter("vendor", "os", "version")), headers="keys"))