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Archlinux32 installer | gitolite user |
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-rw-r--r-- | archinstall/lib/profiles.py | 340 |
diff --git a/archinstall/lib/profiles.py b/archinstall/lib/profiles.py deleted file mode 100644 index a4fbe490..00000000 --- a/archinstall/lib/profiles.py +++ /dev/null @@ -1,340 +0,0 @@ -from __future__ import annotations -import hashlib -import importlib.util -import json -import os -import re -import ssl -import sys -import urllib.error -import urllib.parse -import urllib.request -from typing import Optional, Dict, Union, TYPE_CHECKING, Any -from types import ModuleType -# https://stackoverflow.com/a/39757388/929999 -if TYPE_CHECKING: - from .installer import Installer - _: Any - -from .general import multisplit -from .networking import list_interfaces -from .storage import storage -from .exceptions import ProfileNotFound - - -def grab_url_data(path :str) -> str: - 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() # bytes? - - -def is_desktop_profile(profile :str) -> bool: - if str(profile) == 'Profile(desktop)': - return True - - desktop_profile = Profile(None, "desktop") - with open(desktop_profile.path, 'r') as source: - source_data = source.read() - - if '__name__' in source_data and '__supported__' in source_data: - with desktop_profile.load_instructions(namespace=f"{desktop_profile.namespace}.py") as imported: - if hasattr(imported, '__supported__'): - desktop_profiles = imported.__supported__ - return str(profile) in [f"Profile({s})" for s in desktop_profiles] - - return False - - -def list_profiles( - filter_irrelevant_macs :bool = True, - subpath :str = '', - filter_top_level_profiles :bool = False -) -> Dict[str, Dict[str, Union[str, bool]]]: - # TODO: Grab from github page as well, not just local static files - - if filter_irrelevant_macs: - local_macs = list_interfaces() - - cache = {} - # Grab all local profiles found in PROFILE_PATH - for PATH_ITEM in storage['PROFILE_PATH']: - for root, folders, files in os.walk(os.path.abspath(os.path.expanduser(PATH_ITEM + subpath))): - for file in files: - if file == '__init__.py': - continue - if os.path.splitext(file)[1] == '.py': - tailored = False - 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].lower() not in local_macs: - continue - tailored = True - - description = '' - with open(os.path.join(root, file), 'r') as fh: - first_line = fh.readline() - if len(first_line) and first_line[0] == '#': - description = first_line[1:].strip() - - cache[file[:-3]] = {'path': os.path.join(root, file), 'description': description, 'tailored': tailored} - break - - # Grab profiles from upstream URL - if storage['PROFILE_DB']: - profiles_url = os.path.join(storage["UPSTREAM_URL"] + subpath, storage['PROFILE_DB']) - try: - profile_list = json.loads(grab_url_data(profiles_url)) - except urllib.error.HTTPError as err: - print(_('Error: Listing profiles on URL "{}" resulted in:').format(profiles_url), err) - return cache - except json.decoder.JSONDecodeError as err: - print(_('Error: Could not decode "{}" result as JSON:').format(profiles_url), err) - return cache - - for profile in profile_list: - if os.path.splitext(profile)[1] == '.py': - tailored = False - if len(mac := re.findall('(([a-zA-z0-9]{2}[-:]){5}([a-zA-z0-9]{2}))', profile)): - if filter_irrelevant_macs and mac[0][0].lower() not in local_macs: - continue - tailored = True - - cache[profile[:-3]] = {'path': os.path.join(storage["UPSTREAM_URL"] + subpath, profile), 'description': profile_list[profile], 'tailored': tailored} - - if filter_top_level_profiles: - for profile in list(cache.keys()): - if Profile(None, profile).is_top_level_profile() is False: - del cache[profile] - - return cache - - -class Script: - def __init__(self, profile :str, installer :Optional[Installer] = None): - """ - :param profile: A string representing either a boundled profile, a local python file - or a remote path (URL) to a python script-profile. Three examples: - * profile: https://archlinux.org/some_profile.py - * profile: desktop - * profile: /path/to/profile.py - """ - self.profile = profile - self.installer = installer # TODO: Appears not to be used anymore? - self.converted_path = None - self.spec = None - self.examples = {} - self.namespace = os.path.splitext(os.path.basename(self.path))[0] - self.original_namespace = self.namespace - - def __enter__(self, *args :str, **kwargs :str) -> ModuleType: - self.execute() - return sys.modules[self.namespace] - - def __exit__(self, *args :str, **kwargs :str) -> None: - # 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] - - if self.original_namespace: - self.namespace = self.original_namespace - - def localize_path(self, profile_path :str) -> str: - if (url := urllib.parse.urlparse(profile_path)).scheme and url.scheme in ('https', 'http'): - if not self.converted_path: - self.converted_path = f"/tmp/{os.path.basename(self.profile).replace('.py', '')}_{hashlib.md5(os.urandom(12)).hexdigest()}.py" - - with open(self.converted_path, "w") as temp_file: - temp_file.write(urllib.request.urlopen(url.geturl()).read().decode('utf-8')) - - return self.converted_path - else: - return profile_path - - @property - def path(self) -> str: - parsed_url = urllib.parse.urlparse(self.profile) - - # The Profile was not a direct match on a remote URL - if not parsed_url.scheme: - # Try to locate all local or known URL's - if not self.examples: - self.examples = list_profiles() - - if f"{self.profile}" in self.examples: - return self.localize_path(self.examples[self.profile]['path']) - # TODO: Redundant, the below block shouldn't be needed as profiles are stripped of their .py, but just in case for now: - elif f"{self.profile}.py" in self.examples: - return self.localize_path(self.examples[f"{self.profile}.py"]['path']) - - # Path was not found in any known examples, check if it's an absolute path - if os.path.isfile(self.profile): - return self.profile - - raise ProfileNotFound(f"File {self.profile} does not exist in {storage['PROFILE_PATH']}") - elif parsed_url.scheme in ('https', 'http'): - return self.localize_path(self.profile) - else: - raise ProfileNotFound(f"Cannot handle scheme {parsed_url.scheme}") - - def load_instructions(self, namespace :Optional[str] = None) -> 'Script': - if namespace: - self.namespace = namespace - - self.spec = importlib.util.spec_from_file_location(self.namespace, self.path) - imported = importlib.util.module_from_spec(self.spec) - sys.modules[self.namespace] = imported - - return self - - def execute(self) -> ModuleType: - if self.namespace not in sys.modules or self.spec is None: - self.load_instructions() - - self.spec.loader.exec_module(sys.modules[self.namespace]) - - return sys.modules[self.namespace] - - -class Profile(Script): - def __init__(self, installer :Optional[Installer], path :str): - super(Profile, self).__init__(path, installer) - - def __dump__(self, *args :str, **kwargs :str) -> Dict[str, str]: - return {'path': self.path} - - def __repr__(self, *args :str, **kwargs :str) -> str: - return f'Profile({os.path.basename(self.profile)})' - - @property - def name(self) -> str: - return os.path.basename(self.profile) - - @property - def is_desktop_profile(self) -> bool: - return is_desktop_profile(repr(self)) - - def install(self) -> ModuleType: - # Before installing, revert any temporary changes to the namespace. - # This ensures that the namespace during installation is the original initiation namespace. - # (For instance awesome instead of aweosme.py or app-awesome.py) - self.namespace = self.original_namespace - return self.execute() - - def has_prep_function(self) -> bool: - with open(self.path, 'r') as source: - source_data = source.read() - - # Some crude safety checks, make sure the imported profile has - # a __name__ check and if so, check if it's got a _prep_function() - # we can call to ask for more user input. - # - # If the requirements are met, import with .py in the namespace to not - # trigger a traditional: - # if __name__ == 'moduleName' - if '__name__' in source_data and '_prep_function' in source_data: - with self.load_instructions(namespace=f"{self.namespace}.py") as imported: - if hasattr(imported, '_prep_function'): - return True - return False - - def has_post_install(self) -> bool: - with open(self.path, 'r') as source: - source_data = source.read() - - # Some crude safety checks, make sure the imported profile has - # a __name__ check and if so, check if it's got a _prep_function() - # we can call to ask for more user input. - # - # If the requirements are met, import with .py in the namespace to not - # trigger a traditional: - # if __name__ == 'moduleName' - if '__name__' in source_data and '_post_install' in source_data: - with self.load_instructions(namespace=f"{self.namespace}.py") as imported: - if hasattr(imported, '_post_install'): - return True - - def is_top_level_profile(self) -> bool: - with open(self.path, 'r') as source: - source_data = source.read() - - if '__name__' in source_data and 'is_top_level_profile' in source_data: - with self.load_instructions(namespace=f"{self.namespace}.py") as imported: - if hasattr(imported, 'is_top_level_profile'): - return imported.is_top_level_profile - - # Default to True if nothing is specified, - # since developers like less code - omitting it should assume they want to present it. - return True - - def get_profile_description(self) -> str: - with open(self.path, 'r') as source: - source_data = source.read() - - if '__description__' in source_data: - with self.load_instructions(namespace=f"{self.namespace}.py") as imported: - if hasattr(imported, '__description__'): - return imported.__description__ - - # Default to this string if the profile does not have a description. - return "This profile does not have the __description__ attribute set." - - @property - def packages(self) -> Optional[list]: - """ - Returns a list of packages baked into the profile definition. - If no package definition has been done, .packages() will return None. - """ - with open(self.path, 'r') as source: - source_data = source.read() - - # Some crude safety checks, make sure the imported profile has - # a __name__ check before importing. - # - # If the requirements are met, import with .py in the namespace to not - # trigger a traditional: - # if __name__ == 'moduleName' - if '__name__' in source_data and '__packages__' in source_data: - with self.load_instructions(namespace=f"{self.namespace}.py") as imported: - if hasattr(imported, '__packages__'): - return imported.__packages__ - return None - - -class Application(Profile): - def __repr__(self, *args :str, **kwargs :str): - return f'Application({os.path.basename(self.profile)})' - - @property - def path(self) -> str: - parsed_url = urllib.parse.urlparse(self.profile) - - # The Profile was not a direct match on a remote URL - if not parsed_url.scheme: - # Try to locate all local or known URL's - if not self.examples: - self.examples = list_profiles(subpath='/applications') - - if f"{self.profile}" in self.examples: - return self.localize_path(self.examples[self.profile]['path']) - # TODO: Redundant, the below block shouldn't be needed as profiles are stripped of their .py, but just in case for now: - elif f"{self.profile}.py" in self.examples: - return self.localize_path(self.examples[f"{self.profile}.py"]['path']) - - # Path was not found in any known examples, check if it's an absolute path - if os.path.isfile(self.profile): - return os.path.basename(self.profile) - - raise ProfileNotFound(f"Application file {self.profile} does not exist in {storage['PROFILE_PATH']}") - elif parsed_url.scheme in ('https', 'http'): - return self.localize_path(self.profile) - else: - raise ProfileNotFound(f"Application cannot handle scheme {parsed_url.scheme}") - - def install(self) -> ModuleType: - # Before installing, revert any temporary changes to the namespace. - # This ensures that the namespace during installation is the original initiation namespace. - # (For instance awesome instead of aweosme.py or app-awesome.py) - self.namespace = self.original_namespace - return self.execute() |