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bearhub/fpakman/core/flatpak.py
Vinícius Moreira f9f47d1429 Downgrade
2019-06-25 18:25:04 -03:00

126 lines
3.6 KiB
Python
Executable File

import re
import subprocess
from typing import List
from fpakman.core import system
def app_str_to_json(line: str, version: str) -> dict:
app_array = line.split('\t')
if version >= '1.3.0':
app = {'name': app_array[0],
'id': app_array[1],
'version': app_array[2],
'branch': app_array[3]}
elif '1.0' <= version < '1.1':
app = {'ref': app_array[0], 'options': app_array[1]}
ref_data = app['ref'].split('/')
app['id'] = ref_data[0]
app['arch'] = ref_data[1]
app['branch'] = ref_data[2]
app['name'] = ref_data[0].split('.')[-1]
app['version'] = None
elif '1.2' <= version < '1.3':
app = {'name': app_array[1].strip().split('.')[-1],
'id': app_array[1],
'version': app_array[2],
'branch': app_array[3],
'arch': app_array[4],
'origin': app_array[5]}
else:
raise Exception('Unsupported version')
extra_fields = get_app_info_fields(app['id'], app['branch'], ['origin', 'arch', 'ref', 'commit'], check_runtime=True)
app.update(extra_fields)
return app
def get_app_info_fields(app_id: str, branch: str, fields: List[str], check_runtime: bool = False):
info = re.findall(r'\w+:\s.+', get_app_info(app_id, branch))
data = {}
fields_to_retrieve = len(fields) + (1 if check_runtime and 'ref' not in fields else 0)
for field in info:
if fields_to_retrieve == 0:
break
field_val = field.split(':')
field_name = field_val[0].lower()
if field_name in fields or (check_runtime and field_name == 'ref'):
data[field_name] = field_val[1].strip()
fields_to_retrieve -= 1
if check_runtime and field_name == 'ref':
data['runtime'] = data['ref'].startswith('runtime/')
return data
def get_version():
res = system.run_cmd('flatpak --version')
return res.split(' ')[1].strip() if res else None
def get_app_info(app_id: str, branch: str):
return system.run_cmd('flatpak info {} {}'.format(app_id, branch))
def list_installed() -> List[dict]:
apps_str = system.run_cmd('flatpak list')
if apps_str:
version = get_version()
app_lines = apps_str.split('\n')
return [app_str_to_json(line, version) for line in app_lines if line]
return []
def update(app_ref: str) -> bool:
return bool(system.run_cmd('flatpak update -y ' + app_ref))
def update_and_stream(app_ref: str):
"""
Updates the app reference and streams Flatpak output,
:param app_ref:
:return:
"""
return system.stream_cmd(['flatpak', 'update', '-y', app_ref])
def uninstall_and_stream(app_ref: str):
"""
Removes the app by its reference
:param app_ref:
:return:
"""
return system.stream_cmd(['flatpak', 'uninstall', app_ref, '-y'])
def list_updates_as_str():
return system.run_cmd('flatpak update', ignore_return_code=True)
def downgrade_and_stream(app_ref: str, commit: str, root_password: str):
pwdin, downgrade_cmd = None, []
if root_password is not None:
downgrade_cmd.extend(['sudo', '-S'])
pwdin = subprocess.Popen(['echo', root_password], stdout=subprocess.PIPE).stdout
downgrade_cmd.extend(['flatpak', 'update', '--commit={}'.format(commit), app_ref, '-y'])
return subprocess.Popen(downgrade_cmd, stdin=pwdin, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL).stdout
def get_app_commits(app_ref: str, origin: str) -> List[str]:
log = system.run_cmd('flatpak remote-info --log {} {}'.format(origin, app_ref))
return re.findall(r'Commit+:\s(.+)', log)