Newline in container command corrupts display / hides container

[Trayshar]

Describe the bug
If a container's command contains newlines, they are interpreted and spill over to the other sections of the display. I noticed this when running a VSCode devcontainer and checking glances.

Further testing showed that a Windows newline (\r\n) clears the container's line, effectivly hiding it.

To Reproduce
Steps to reproduce the behavior:

1. Start Glances with the default settings
2. Start a VSCode devcontainer or the sample I provided below
3. See error

Sample Dockerfile

FROM python:latest
# Test UNIX newline. Substitute \r\n to demonstrate hiding behaiviour
CMD ["/bin/sh", "-c", "echo Running\nwhile true; do sleep 1; done"]

Expected behavior
The newline should be converted to a whitespace. It should not spill over and should not hide the container's existance,

Screenshots
Running the devcontainer (has command echo Container started\ntrap "exit 0" 15\n\nexec "$@"\nwhile sleep 1 & wait $!; do :; done', '-):

Running the sample docker container with windows newline:

Environement (please complete the following information)

• Operating System (lsb_release -a or OS name/version): Manjaro Linux 23.1.4
• Glances & psutil versions: Glances v3.4.0.3 with PsUtil v5.9.8
• How do you install Glances (Pypi package, script, package manager, source): AUR

Glances test (only available with Glances 3.1.7 or higher):

===============================================================================
Glances 3.4.0.3 (/usr/lib/python3.11/site-packages/glances/__init__.py)
Python 3.11.8 (/usr/bin/python)
PsUtil 5.9.8 (/usr/lib/python3.11/site-packages/psutil/__init__.py)
===============================================================================
alert         [OK]    0.00001s 
[]
amps          [OK]    0.00010s key=name 
[{'count': 0,
  'countmax': None,
  'countmin': 1.0,
  'key': 'name',
  'name': 'Dropbox',
  'refresh': 3.0,
  'regex': True,
  'result': None,
  'timer': 2.2797250747680664}, ...]
cloud         [NA]
connections   [NA]
containers    [OK]    0.00295s key=name 
[{'Command': ['/bin/sh', '-c',
              'echo Container started\ntrap "exit 0" 15\n\nexec "$@"\nwhile sleep 1 & wait $!; do :; done', '-'],
  'Created': '2024-04-20T07:54:35.171978671Z',
  'Id': '249c1ee0236567240f07154b6bd926effcf86af8996a0f98fa1a7bc8a4d54e68',
  'Image': ['vsc-redacted-b2cd5bc98658407c2e7c95e85c3a5c028eb65a503cb36cbea6c40bab96d3cf04-uid:latest'],
  'Status': 'running',
  'Uptime': '2 hours',
  'cpu_percent': 2.2989526184538653,
  'engine': 'docker',
  'io_r': None,
  'io_w': None,
  'key': 'name',
  'memory_usage': 1233633280,
  'name': 'peaceful_jepsen',
  'network_rx': None,
  'network_tx': None}, ...]
core          [OK]    0.00035s 
{'log': 16, 'phys': 8}
cpu           [OK]    0.00015s 
{'cpucore': 16,
 'ctx_switches': 19789,
 'guest': 0.0,
 'guest_nice': 0.0,
 'idle': 97.0,
 'interrupts': 14363,
 'iowait': 0.5,
 'irq': 0.1,
 'nice': 0.0,
 'soft_interrupts': 4768,
 'softirq': 0.0,
 'steal': 0.0,
 'syscalls': 0,
 'system': 1.0,
 'time_since_update': 2.154247999191284,
 'total': 6.7,
 'user': 1.2}
diskio        [OK]    0.00018s key=disk_name 
[{'disk_name': 'nvme1n1',
  'key': 'disk_name',
  'read_bytes': 0,
  'read_count': 0,
  'time_since_update': 2.154282331466675,
  'write_bytes': 0,
  'write_count': 0}, ...]
folders       [OK]    0.00001s 
[]
fs            [OK]    0.00058s key=mnt_point 
[{'device_name': '/dev/nvme1n1p2',
  'free': 1352133763072,
  'fs_type': 'btrfs',
  'key': 'mnt_point',
  'mnt_point': '/',
  'percent': 33.9,
  'size': 2047554355200,
  'used': 693927616512}, ...]
gpu           [OK]    0.00001s 
[]
help          [OK]    0.00000s 
None
ip            [OK]    0.00001s 
{}
irq           [NA]
load          [OK]    0.00001s 
{'cpucore': 16, 'min1': 1.23974609375, 'min15': 1.61083984375, 'min5': 1.4189453125}
mem           [OK]    0.00005s 
{'active': 12190928896,
 'available': 22673707008,
 'buffers': 5316608,
 'cached': 17202130944,
 'free': 22673707008,
 'inactive': 11445317632,
 'percent': 31.9,
 'shared': 793235456,
 'total': 33318920192,
 'used': 10645213184}
memswap       [OK]    0.00008s 
{'free': 68699987968,
 'percent': 0.0,
 'sin': 0,
 'sout': 0,
 'time_since_update': 2.1540277004241943,
 'total': 68719472640,
 'used': 19484672}
network       [OK]    0.00032s key=interface_name 
[{'alias': None,
  'cumulative_cx': 7665477790,
  'cumulative_rx': 3832738895,
  'cumulative_tx': 3832738895,
  'cx': 200,
  'interface_name': 'lo',
  'is_up': True,
  'key': 'interface_name',
  'rx': 100,
  'speed': 0,
  'time_since_update': 2.0055296421051025,
  'tx': 100}, ...]
now           [OK]    0.00001s 
'2024-04-21 19:24:10 CEST'
percpu        [OK]    0.00003s key=cpu_number 
[{'cpu_number': 0,
  'guest': 0.0,
  'guest_nice': 0.0,
  'idle': 16.0,
  'iowait': 0.0,
  'irq': 0.0,
  'key': 'cpu_number',
  'nice': 0.0,
  'softirq': 0.0,
  'steal': 0.0,
  'system': 0.0,
  'total': 84.0,
  'user': 0.0}, ...]
ports         [OK]    0.00000s 
[]
processcount  [OK]    0.03613s 
{'pid_max': 0, 'running': 2, 'sleeping': 284, 'thread': 1985, 'total': 455}
processlist   [OK]    0.00018s key=pid 
[{'cmdline': ['echo redacted'],
  'cpu_percent': 13.1,
  'cpu_times': pcputimes(user=478.48, system=132.41, children_user=0.0, children_system=0.0, iowait=0.0),
  'gids': pgids(real=1000, effective=1000, saved=1000),
  'io_counters': [2633728, 507904, 2633728, 507904, 1],
  'key': 'pid',
  'memory_info': pmem(rss=330006528, vms=35563229184, shared=218345472, text=189702144, lib=0, data=433606656, dirty=0),
  'memory_percent': 0.9904478479444716,
  'name': 'Vivaldi-Gpu',
  'nice': 0,
  'num_threads': 26,
  'pid': 54032,
  'status': 'S',
  'time_since_update': 2.1536948680877686,
  'username': 'valle'}, ...]
psutilversion [OK]    0.00001s 
(5, 9, 8)
quicklook     [OK]    0.00015s 
{'cpu': 6.7,
 'cpu_hz': 5573000000.0,
 'cpu_hz_current': 2722056687.5,
 'cpu_name': 'AMD Ryzen 7 7700X 8-Core Processor',
 'mem': 32.0,
 'percpu': [{...}, {...}, {...}, {...}, {...}, {...}, {...}, {...}, {...}, {...}, {...}, {...}, {...}, {...}, {...},
            {...}],
 'swap': 0.0}
raid          [NA]
sensors       [OK]    0.00000s key=label 
[{'critical': 94,
  'key': 'label',
  'label': 'Composite',
  'type': 'temperature_core',
  'unit': 'C',
  'value': 38,
  'warning': 89}, ...]
smart         [NA]
system        [OK]    0.00000s 
{'hostname': 'atlas',
 'hr_name': 'Manjaro Linux 64bit',
 'linux_distro': 'Manjaro Linux',
 'os_name': 'Linux',
 'os_version': '6.6.26-1-MANJARO',
 'platform': '64bit'}
uptime        [OK]    0.00007s 
{'seconds': 20209}
wifi          [NA]
===============================================================================
Total time to update all stats: 0.04256s
===============================================================================

Additional Information
Same issue in process table: #2337

Tab (\t) is interpreted as well. Just adds a bit of space.

[nicolargo]

Corrected in the develop branch:

Will be release in Glances v4.0

Thanks for the issue report @Trayshar !