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import os, urllib.request, urllib.parse, ssl, json, re
import importlib.util, sys
from collections import OrderedDict
from .general import multisplit, sys_command, log
from .exceptions import *
from .networking import *
UPSTREAM_URL = 'https://raw.githubusercontent.com/Torxed/archinstall/master/profiles'
def grab_url_data(path):
safe_path = path[:path.find(':')+1]+''.join([item if item in ('/', '?', '=', '&') else urllib.parse.quote(item) for item in multisplit(path[path.find(':')+1:], ('/', '?', '=', '&'))])
ssl_context = ssl.create_default_context()
ssl_context.check_hostname = False
ssl_context.verify_mode=ssl.CERT_NONE
response = urllib.request.urlopen(safe_path, context=ssl_context)
return response.read()
def list_profiles(base='./profiles/', filter_irrelevant_macs=True):
# TODO: Grab from github page as well, not just local static files
if filter_irrelevant_macs:
local_macs = list_interfaces()
cache = {}
for root, folders, files in os.walk(base):
for file in files:
tailored = False
if os.path.splitext(file)[1] == '.py':
if len(mac := re.findall('(([a-zA-z0-9]{2}[-:]){5}([a-zA-z0-9]{2}))', file)):
if filter_irrelevant_macs and mac[0][0] not in local_macs:
continue
tailored = True
description = ''
with open(os.path.join(root, file), 'r') as fh:
first_line = fh.readline()
if first_line[0] == '#':
description = first_line[1:].strip()
cache[file[:-3]] = {'path' : os.path.join(root, file), 'description' : description, 'tailored' : tailored}
break
return cache
class Imported():
def __init__(self, spec, imported):
self.spec = spec
self.imported = imported
def __enter__(self, *args, **kwargs):
self.spec.loader.exec_module(self.imported)
return self.imported
def __exit__(self, *args, **kwargs):
# TODO: https://stackoverflow.com/questions/28157929/how-to-safely-handle-an-exception-inside-a-context-manager
if len(args) >= 2 and args[1]:
raise args[1]
class Profile():
def __init__(self, installer, path, args={}):
self._path = path
self.installer = installer
self._cache = None
self.args = args
def __dump__(self, *args, **kwargs):
return {'path' : self._path}
def __repr__(self, *args, **kwargs):
return f'Profile({self._path} <"{self.path}">)'
@property
def path(self, *args, **kwargs):
if os.path.isfile(f'{self._path}'):
return os.path.abspath(f'{self._path}')
for path in ['./profiles', '/etc/archinstall', '/etc/archinstall/profiles', os.path.abspath(f'{os.path.dirname(__file__)}/../profiles')]: # Step out of /lib
if os.path.isfile(f'{path}/{self._path}.py'):
return os.path.abspath(f'{path}/{self._path}.py')
try:
if (cache := grab_url_data(f'{UPSTREAM_URL}/{self._path}.py')):
self._cache = cache
return f'{UPSTREAM_URL}/{self._path}.py'
except urllib.error.HTTPError:
pass
return None
# def py_exec_mock(self):
# spec.loader.exec_module(imported)
def load_instructions(self, namespace=None):
if (absolute_path := self.path):
if os.path.splitext(absolute_path)[1] == '.py':
if not namespace:
namespace = os.path.splitext(os.path.basename(absolute_path))[0]
spec = importlib.util.spec_from_file_location(namespace, absolute_path)
imported = importlib.util.module_from_spec(spec)
sys.modules[namespace] = imported
return Imported(spec, imported)
else:
raise ProfileError(f'Extension {os.path.splitext(absolute_path)[1]} is not a supported profile model. Only .py is supported.')
raise ProfileError(f'No such profile ({self._path}) was found either locally or in {UPSTREAM_URL}')
def install(self):
# To avoid profiles importing the wrong 'archinstall',
# we need to ensure that this current archinstall is in sys.path
archinstall_path = os.path.abspath(f'{os.path.dirname(__file__)}/../../')
if not archinstall_path in sys.path:
sys.path.insert(0, archinstall_path)
instructions = self.load_instructions()
if type(instructions) == Imported:
# There's no easy way to give the imported profile the installer instance unless we require the profile-programmer to create a certain function that must be the same for all..
# Which is a bit inconvenient so we'll make a a truly global installer for now, in the future archinstall main __init__.py should setup the 'installation' variable..
# but to avoid circular imports and other traps, this works for now.
# TODO: Remove
__builtins__['installation'] = self.installer
with instructions as runtime:
log(f'{self} finished successfully.', bg='black', fg='green')
return True
class Application(Profile):
def __repr__(self, *args, **kwargs):
return f'Application({self._path} <"{self.path}">)'
@property
def path(self, *args, **kwargs):
if os.path.isfile(f'{self._path}'):
return os.path.abspath(f'{self._path}')
for path in ['./applications', './profiles/applications', '/etc/archinstall/applications', '/etc/archinstall/profiles/applications', os.path.abspath(f'{os.path.dirname(__file__)}/../profiles/applications')]:
if os.path.isfile(f'{path}/{self._path}.py'):
return os.path.abspath(f'{path}/{self._path}.py')
try:
if (cache := grab_url_data(f'{UPSTREAM_URL}/applications/{self._path}.py')):
self._cache = cache
return f'{UPSTREAM_URL}/applications/{self._path}.py'
except urllib.error.HTTPError:
pass
return None
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