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annotate lib/localdisplay.py @ 223:9236b736bc34

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add new jsonld/SSE support to environment service as a test Ignore-this: ae671e71966dbbb9d1f97e3596802d3d
author drewp@bigasterisk.com
date Sun, 24 Jan 2016 07:12:25 -0800
parents 2f8ba398f958
children 3657e3f0d5d0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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ef639d892e77 Xorg display number fetcher for use by xidle and dpms
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1 import psutil, os
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2
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3 def setDisplayToLocalX():
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4 """
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5 set DISPLAY env var in this process to the id of the X process on localhost
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6
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7 I might need something like xauth merge /run/gdm/auth-for-gdm-xxxxxx/database too
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8 and this isn't automated yet
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9 """
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10 for pid in psutil.get_pid_list():
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11 try:
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12 proc = psutil.Process(pid)
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2f8ba398f958 update Xorg process finder
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13 if proc.exe not in ['/usr/bin/Xorg', '/usr/bin/X', '/usr/bin/X11/X']:
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14 continue
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15 except (psutil.error.AccessDenied, psutil.error.NoSuchProcess):
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16 continue
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17 display = [arg for arg in proc.cmdline if not arg.startswith('-')][1]
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18 if display == 'tcp': # ??
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19 display = ":0.0"
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20 assert display.startswith(':'), display
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21 os.environ['DISPLAY'] = display
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22 break
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23 else:
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24 raise ValueError("didn't find an Xorg process")