CircuitPython: basic info about a device

about.py

print(f"\nBOARD")
import os
print(f"Name:     {os.uname().machine}")
import microcontroller
uid = ''.join('%02X' % _ for _ in microcontroller.cpu.uid)
print(f"CPU UID:  {uid}")
import sys
print(f"Platform: {sys.platform}")
import board
print(f"board_id: {board.board_id}")


print(f"\nFLASH")
import storage
print(f"Volume:  {storage.getmount("/").label}")
print(f"statvfs: {os.statvfs("/")}")
print(f"stat:    {os.stat("/")}")


print(f"\nMEMORY")
try:
    import espidf
    print(f"Total PSRAM (CP heap + espidf):   {espidf.get_total_psram():7}")
    print(f"Reserved PSRAM (espidf):          {espidf.get_reserved_psram():7}")
except TypeError as e:
    print(f"espidf: {e}")
import gc
print(f"Free (CP heap) memory:            {gc.mem_free():7}")
try:
    print(f"Total espidf memory:              {espidf.heap_caps_get_total_size():7}")
    print(f"Free espidf memory:               {espidf.heap_caps_get_free_size():7}")
    print(f"Largest espidf free memory block: {espidf.heap_caps_get_largest_free_block():7}")
except TypeError as e:
    print(f"espidf: {e}")
try:
    print(f"NVM:                              {len(microcontroller.nvm):7}")
except TypeError as e:
    print(f"NVM: {e}")
try:
    import alarm
    print(f"Sleep Memory:                     {len(alarm.sleep_memory):7}")
except TypeError as e:
    print(f"Sleep Memory: {e}")


print(f"\nPYTHON")
print(f"Python:         {sys.version}")
print(f"Implementation: {sys.implementation}")


print(f"\nWIFI")
try:
    import wifi
    mac = ':'.join('%02X' % _ for _ in wifi.radio.mac_address)
    print(f"MAC address:  {mac}")
    print(f"hostname:     {wifi.radio.hostname}")
    if wifi.radio.ipv4_address:
        print(f"IPv4 address: {wifi.radio.ipv4_address}")
        print(f"Subnet:       {wifi.radio.ipv4_subnet}")
        print(f"Gateway:      {wifi.radio.ipv4_gateway}")
        print(f"DNS:          {wifi.radio.ipv4_dns}")
        print(f"AP RSSI:      {wifi.radio.ap_info.rssi}")
        print(f"AP SSID:      {wifi.radio.ap_info.ssid}")
        bssid = ':'.join('%02X' % _ for _ in wifi.radio.ap_info.bssid)
        print(f"AP BSSID:     {bssid}")
        print(f"AP authmode:  {wifi.radio.ap_info.authmode}")
        print(f"AP channel:   {wifi.radio.ap_info.channel}")
        print(f"AP country:   {wifi.radio.ap_info.country}")
except TypeError as e:
    print(f"wifi: {e}")


print(f"\nmDNS")
try:
    import mdns
    server = mdns.Server(wifi.radio)
    print(f"mDNS hostname:      {server.hostname}")
    print(f"mDNS instance name: {server.instance_name}")
except TypeError as e:
    print(f"mDNS: {e}")