1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
import psutil
from rich import box
from rich.panel import Panel
from rich.table import Table
from rich.text import Text
from textual.widget import Widget
from ._helpers import sizeof_fmt
class ProcsList(Widget):
def on_mount(self):
self.max_num_procs = 100
self.collect_data()
self.set_interval(6.0, self.collect_data)
def collect_data(self):
processes = list(
psutil.process_iter(
[
"pid",
"name",
"username",
"cmdline",
"cpu_percent",
"num_threads",
"memory_info",
"status",
]
)
)
if processes[0].pid == 0:
# Remove process with PID 0. On Windows, that's SYSTEM IDLE, and we
# don't want that to appear at the top of the list.
# <https://twitter.com/andre_roberge/status/1488885893716975622/photo/1>
processes = processes[1:]
processes = sorted(
processes,
# The item.info["cpu_percent"] can be `ad_value` (default None).
# It gets assigned to a dict key in case AccessDenied or
# ZombieProcess exception is raised when retrieving that particular
# process information.
key=lambda item: (item.info["cpu_percent"] or 0.0),
reverse=True,
)
table = Table(
show_header=True,
header_style="bold",
box=None,
padding=(0, 1),
expand=True,
)
# set ration=1 on all columns that should be expanded
# <https://github.com/Textualize/rich/issues/2030>
table.add_column(Text("pid", justify="left"), no_wrap=True, justify="right")
table.add_column("program", style="green", no_wrap=True, ratio=1)
table.add_column("args", no_wrap=True, ratio=2)
table.add_column(
Text("thr", justify="left"),
style="green",
no_wrap=True,
justify="right",
)
table.add_column("user", no_wrap=True)
table.add_column(
Text("mem", justify="left"), style="green", no_wrap=True, justify="right"
)
table.add_column(
Text("cpu%", style="u", justify="left"),
no_wrap=True,
justify="right",
)
for p in processes[: self.max_num_procs]:
# Everything can be None here, see comment above
pid = p.info["pid"]
pid = "" if pid is None else str(pid)
#
name = p.info["name"]
if name is None:
name = ""
#
cmdline = p.info["cmdline"]
cmdline = "" if cmdline is None else " ".join(p.info["cmdline"][1:])
#
num_threads = p.info["num_threads"]
num_threads = "" if num_threads is None else str(num_threads)
#
username = p.info["username"]
if username is None:
username = ""
#
mem_info = p.info["memory_info"]
mem_info = (
"" if mem_info is None else sizeof_fmt(mem_info.rss, suffix="", sep="")
)
#
cpu_percent = p.info["cpu_percent"]
cpu_percent = "" if cpu_percent is None else f"{cpu_percent:.1f}"
table.add_row(
pid, name, cmdline, num_threads, username, mem_info, cpu_percent
)
total_num_threads = sum((p.info["num_threads"] or 0) for p in processes)
num_sleep = sum(p.info["status"] == "sleeping" for p in processes)
self.panel = Panel(
table,
title=f"[b]proc[/] - {len(processes)} ({total_num_threads} thr), {num_sleep} slp",
title_align="left",
# border_style="cyan",
border_style="white",
box=box.SQUARE,
)
self.refresh()
def render(self) -> Panel:
return self.panel
async def on_resize(self, event):
self.max_num_procs = event.height - 3
|
