To know System Information through Python
# Know system Information
# pip install wmi
import wmi
computer = wmi.WMI()
our_system = computer.Win32_ComputerSystem()[0]
print(f"Manufacturer: {our_system.Manufacturer}")
print(f"Model: {our_system. Model}")
print(f"Name: {our_system.Name}")
print(f"NumberOfProcessors: {our_system.NumberOfProcessors}")
print(f"SystemType: {our_system.SystemType}")
print(f"SystemFamily: {our_system.SystemFamily}")
""" Output from my system:
Manufacturer: Dell Inc.
Model: Vostro 3888
Name: MECH1
NumberOfProcessors: 1
SystemType: x64-based PC
SystemFamily: Vostro
"""
Simple System info Python program using platform
# importing module
import platform
# dictionary
info = {}
# platform details
platform_details = platform.platform()
# adding it to dictionary
info["platform details"] = platform_details
# system name
system_name = platform.system()
# adding it to dictionary
info["system name"] = system_name
# processor name
processor_name = platform.processor()
# adding it to dictionary
info["processor name"] = processor_name
# architectural detail
architecture_details = platform.architecture()
# adding it to dictionary
info["architectural detail"] = architecture_details
# printing the details
for i, j in info.items():
print(i, " - ", j)
"""
platform details - Windows-10-10.0.19043-SP0
system name - Windows
processor name - Intel64 Family 6 Model 165 Stepping 3, GenuineIntel
architectural detail - ('64bit', 'WindowsPE')
Process finished with exit code 0
"""
Hardware Information using PSUTIL
import psutil
#Physical cores
print(f"Number of physical cores: {psutil.cpu_count(logical=False)}")
#Logical cores
print(f"Number of logical cores: {psutil.cpu_count(logical=True)}")
#Current frequency
print(f"Current CPU frequency: {psutil.cpu_freq().current}")
#Min frequency
print(f"Min CPU frequency: {psutil.cpu_freq().min}")
#Max frequency
print(f"Max CPU frequency: {psutil.cpu_freq().max}")
# cpu util
#System-wide CPU utilization
print(f"Current CPU utilization: {psutil.cpu_percent(interval=1)}")
#System-wide per-CPU utilization
print(f"Current per-CPU utilization: {psutil.cpu_percent(interval=1, percpu=True)}")
#ram details
#Total RAM
print(f"Total RAM installed: {round(psutil.virtual_memory().total/1000000000, 2)} GB")
#Available RAM
print(f"Available RAM: {round(psutil.virtual_memory().available/1000000000, 2)} GB")
#Used RAM
print(f"Used RAM: {round(psutil.virtual_memory().used/1000000000, 2)} GB")
#RAM usage
print(f"RAM usage: {psutil.virtual_memory().percent}%")
Results
"""
Number of physical cores: 4
Number of logical cores: 8
Current CPU frequency: 3600.0
Min CPU frequency: 0.0
Max CPU frequency: 3600.0
Current CPU utilization: 4.2
Current per-CPU utilization: [15.7, 0.0, 25.0, 0.0, 4.5, 0.0, 1.5, 1.6]
Total RAM installed: 8.33 GB
Available RAM: 1.58 GB
Used RAM: 6.75 GB
RAM usage: 81.0%
"""
Disk and N/W Information using Python
# Disk Usage
import psutil
import platform
from datetime import datetime
def get_size(bytes, suffix="B"):
"""
Scale bytes to its proper format
e.g:
1253656 => '1.20MB'
1253656678 => '1.17GB'
"""
factor = 1024
for unit in ["", "K", "M", "G", "T", "P"]:
if bytes < factor:
return f"{bytes:.2f}{unit}{suffix}"
bytes /= factor
# Disk Information
print("="*40, "Disk Information", "="*40)
print("Partitions and Usage:")
# get all disk partitions
partitions = psutil.disk_partitions()
for partition in partitions:
print(f"=== Device: {partition.device} ===")
print(f" Mountpoint: {partition.mountpoint}")
print(f" File system type: {partition.fstype}")
try:
partition_usage = psutil.disk_usage(partition.mountpoint)
except PermissionError:
# this can be catched due to the disk that
# isn't ready
continue
print(f" Total Size: {get_size(partition_usage.total)}")
print(f" Used: {get_size(partition_usage.used)}")
print(f" Free: {get_size(partition_usage.free)}")
print(f" Percentage: {partition_usage.percent}%")
# get IO statistics since boot
disk_io = psutil.disk_io_counters()
print(f"Total read: {get_size(disk_io.read_bytes)}")
print(f"Total write: {get_size(disk_io.write_bytes)}")
# N/w
# Network information
print("="*40, "Network Information", "="*40)
# get all network interfaces (virtual and physical)
if_addrs = psutil.net_if_addrs()
for interface_name, interface_addresses in if_addrs.items():
for address in interface_addresses:
print(f"=== Interface: {interface_name} ===")
if str(address.family) == 'AddressFamily.AF_INET':
print(f" IP Address: {address.address}")
print(f" Netmask: {address.netmask}")
print(f" Broadcast IP: {address.broadcast}")
elif str(address.family) == 'AddressFamily.AF_PACKET':
print(f" MAC Address: {address.address}")
print(f" Netmask: {address.netmask}")
print(f" Broadcast MAC: {address.broadcast}")
# get IO statistics since boot
net_io = psutil.net_io_counters()
print(f"Total Bytes Sent: {get_size(net_io.bytes_sent)}")
print(f"Total Bytes Received: {get_size(net_io.bytes_recv)}")
Result:
"""
======================================== Disk Information ========================================
Partitions and Usage:
=== Device: C:\ ===
Mountpoint: C:\
File system type: NTFS
Total Size: 194.70GB
Used: 111.24GB
Free: 83.46GB
Percentage: 57.1%
=== Device: D:\ ===
Mountpoint: D:\
File system type: NTFS
Total Size: 736.20GB
Used: 4.03GB
Free: 732.16GB
Percentage: 0.5%
Total read: 61.63GB
Total write: 46.68GB
======================================== Network Information ========================================
=== Interface: Local Area Connection* 11 ===
=== Interface: Local Area Connection* 11 ===
IP Address: 169.254.62.94
Netmask: 255.255.0.0
Broadcast IP: None
=== Interface: Local Area Connection* 11 ===
=== Interface: Local Area Connection* 12 ===
=== Interface: Local Area Connection* 12 ===
IP Address: 169.254.72.255
Netmask: 255.255.0.0
Broadcast IP: None
=== Interface: Local Area Connection* 12 ===
=== Interface: Ethernet ===
=== Interface: Ethernet ===
IP Address: 172.20.24.131
Netmask: 255.255.0.0
Broadcast IP: None
=== Interface: Ethernet ===
=== Interface: Wi-Fi 2 ===
=== Interface: Wi-Fi 2 ===
IP Address: 172.20.29.139
Netmask: 255.255.0.0
Broadcast IP: None
=== Interface: Wi-Fi 2 ===
=== Interface: Loopback Pseudo-Interface 1 ===
IP Address: 127.0.0.1
Netmask: 255.0.0.0
Broadcast IP: None
=== Interface: Loopback Pseudo-Interface 1 ===
Total Bytes Sent: 366.06MB
Total Bytes Received: 4.38GB
"""
Measuring Running Time in Python #1
import timeit
time_test = timeit.repeat('[x**0.5 for x in range(1000)]', number=10000)
print(time_test)
Result:
"""
[1.415492, 1.3847563, 1.3762589999999997, 1.3683869, 1.3789484000000005]
"""
# importing cProfile
import cProfile
cProfile.run("10 + 10")
"""
3 function calls in 0.000 seconds
Ordered by: standard name
ncalls tottime percall cumtime percall filename:lineno(function)
1 0.000 0.000 0.000 0.000 <string>:1(<module>)
1 0.000 0.000 0.000 0.000 {built-in method builtins.exec}
1 0.000 0.000 0.000 0.000 {method 'disable' of '_lsprof.Profiler' objects}
"""
Function Profiling code and the corresponding output
# Function Profiling
import cProfile
def f():
print("Hello Python World Profiling")
cProfile.run('f()')
5 function calls in 0.000 seconds Ordered by: standard name ncalls tottime percall cumtime percall filename:lineno(function) 1 0.000 0.000 0.000 0.000 <string>:1(<module>) 1 0.000 0.000 0.000 0.000 ex1-scit.py:252(f) 1 0.000 0.000 0.000 0.000 {built-in method builtins.exec} 1 0.000 0.000 0.000 0.000 {built-in method builtins.print} 1 0.000 0.000 0.000 0.000 {method 'disable' of '_lsprof.Profiler' objects}
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