distributed.camp
A Python port of the Invisible Internet Project (I2P)
1"""SystemVersion — OS and platform detection.
2
3Ported from net.i2p.util.SystemVersion.
4"""
5
6import os
7import platform
8import struct
9import sys
10
11
12class SystemVersion:
13 """Static utilities for detecting OS, architecture, and capabilities."""
14
15 @staticmethod
16 def get_os() -> str:
17 s = platform.system().lower()
18 if s == "darwin":
19 return "mac"
20 if s.startswith("win"):
21 return "windows"
22 return s # "linux", "freebsd", etc.
23
24 @staticmethod
25 def get_arch() -> str:
26 machine = platform.machine().lower()
27 if machine in ("x86_64", "amd64"):
28 return "amd64"
29 if machine in ("aarch64", "arm64"):
30 return "arm64"
31 if machine.startswith("arm"):
32 return "arm"
33 if machine in ("i386", "i686", "x86"):
34 return "386"
35 return "unknown"
36
37 @staticmethod
38 def is_windows() -> bool:
39 return platform.system().lower().startswith("win")
40
41 @staticmethod
42 def is_mac() -> bool:
43 return platform.system().lower() == "darwin"
44
45 @staticmethod
46 def is_linux() -> bool:
47 return platform.system().lower() == "linux"
48
49 @staticmethod
50 def is_android() -> bool:
51 return False # Not applicable in CPython
52
53 @staticmethod
54 def is_arm() -> bool:
55 return SystemVersion.get_arch() in ("arm", "arm64")
56
57 @staticmethod
58 def is_x86() -> bool:
59 return SystemVersion.get_arch() in ("amd64", "386")
60
61 @staticmethod
62 def is_64bit() -> bool:
63 return struct.calcsize("P") * 8 == 64
64
65 @staticmethod
66 def get_cores() -> int:
67 return os.cpu_count() or 1
68
69 @staticmethod
70 def get_max_memory() -> int:
71 """Approximate max memory in bytes."""
72 try:
73 import resource
74 soft, hard = resource.getrlimit(resource.RLIMIT_AS)
75 if hard > 0:
76 return hard
77 except (ImportError, ValueError):
78 pass
79 return 2 * 1024 * 1024 * 1024 # Default 2GB
80
81 @staticmethod
82 def is_slow() -> bool:
83 return SystemVersion.get_arch() in ("arm",)
84
85 @staticmethod
86 def python_version() -> str:
87 return platform.python_version()