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jc/jc/parsers/systemctl_luf.py
Kelly Brazil 3701b4198a formatting
2022-01-19 17:29:22 -08:00

129 lines
2.8 KiB
Python

"""jc - JSON CLI output utility `systemctl list-unit-files` command output
parser
Usage (cli):
$ systemctl list-unit-files | jc --systemctl-luf
or
$ jc systemctl list-unit-files
Usage (module):
import jc
result = jc.parse('systemctl_luf', systemctl_luf_command_output)
or
import jc.parsers.systemctl_luf
result = jc.parsers.systemctl_luf.parse(systemctl_luf_command_output)
Schema:
[
{
"unit_file": string,
"state": string
}
]
Examples:
$ systemctl list-unit-files | jc --systemctl-luf -p
[
{
"unit_file": "proc-sys-fs-binfmt_misc.automount",
"state": "static"
},
{
"unit_file": "dev-hugepages.mount",
"state": "static"
},
{
"unit_file": "dev-mqueue.mount",
"state": "static"
},
...
]
"""
import jc.utils
class info():
"""Provides parser metadata (version, author, etc.)"""
version = '1.5'
description = '`systemctl list-unit-files` command parser'
author = 'Kelly Brazil'
author_email = 'kellyjonbrazil@gmail.com'
compatible = ['linux']
magic_commands = ['systemctl list-unit-files']
__version__ = info.version
def _process(proc_data):
"""
Final processing to conform to the schema.
Parameters:
proc_data: (List of Dictionaries) raw structured data to process
Returns:
List of Dictionaries. Structured data to conform to the schema.
"""
# nothing more to process
return proc_data
def parse(data, raw=False, quiet=False):
"""
Main text parsing function
Parameters:
data: (string) text data to parse
raw: (boolean) output preprocessed JSON if True
quiet: (boolean) suppress warning messages if True
Returns:
List of Dictionaries. Raw or processed structured data.
"""
jc.utils.compatibility(__name__, info.compatible, quiet)
jc.utils.input_type_check(data)
# Clear any blank lines
linedata = list(filter(None, data.splitlines()))
raw_output = []
if jc.utils.has_data(data):
cleandata = []
# clean up non-ascii characters, if any
for entry in linedata:
cleandata.append(entry.encode('ascii', errors='ignore').decode())
header_text = cleandata[0]
header_text = header_text.lower().replace('unit file', 'unit_file')
header_list = header_text.split()
raw_output = []
for entry in cleandata[1:]:
if 'unit files listed.' in entry:
break
else:
entry_list = entry.split(maxsplit=4)
output_line = dict(zip(header_list, entry_list))
raw_output.append(output_line)
if raw:
return raw_output
else:
return _process(raw_output)