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
|
from threading import Lock, Thread
from time import sleep
from easyprocess import EasyProcess
from pyvirtualdisplay import Display
disps = []
mutex = Lock()
def get_display(threadid, disp):
dispnr = EasyProcess(["sh", "-c", "echo $DISPLAY"], env=disp.env()).call().stdout
with mutex:
disps.append((threadid, dispnr))
def func():
with Display(manage_global_env=False) as disp:
get_display(1, disp)
sleep(2)
get_display(1, disp)
def test_disp_var():
t = Thread(target=func)
t.start()
sleep(1)
with Display(manage_global_env=False) as disp:
get_display(0, disp)
sleep(2)
get_display(0, disp)
t.join()
print(disps)
assert disps[0][0] == 1
assert disps[1][0] == 0
assert disps[2][0] == 1
assert disps[3][0] == 0
# :1
assert disps[0][1] == disps[2][1]
# :0
assert disps[1][1] == disps[3][1]
assert disps[0][1] != disps[1][1]
|
