refactor: created separate file for 'Config' class, rewrote it as a context manager

confctx.py

@@ -0,0 +1,91 @@
+from pathlib import Path, PurePath
+from whereami import PROJ_ROOT
+from custtypes import ExecutedPath, IdlePath, VirtualPrivateServers, AnsibleScopes
+from anodes import RemoteNode, ControlNode, _userSSHSubParams
+# from ansible_vault import Vault
+import yaml as yams
+import re
+from typing import Literal
+
+# @TODO for 'Config' class, write methods to pull and push from Ansible YAML files
+# @NOTE https://docs.python.org/3/library/configparser.html#quick-start
+class Config:
+    path: ExecutedPath = PROJ_ROOT / "config.ini"
+    __controller = ControlNode()
+    setattr(__controller, AnsibleScopes.INTERNAL.name, {
+        "vars": (PurePath(str(path)),)
+    })
+
+    def __init__(self, filepath: str = "config.ini", scope: AnsibleScopes = AnsibleScopes.INTERNAL.name, index: int = 0, mode: str = "r+"):
+        self.scope = scope
+
+        parent_dir = self.__controller.get_scope(scope, index)
+        filepath = Path(parent_dir) / filepath
+        filename: str = filepath.stem
+
+        self.parse_method = "yml"
+        if "." in filename:
+            filename_arr = filename.split(".")
+            basename: str = filename_arr[0]
+            ext: str = filename_arr[len(filename_arr) - 1]
+            
+        if re.match(r"toml|ini", ext):
+            self.parse_method: str = ext.upper()
+
+        self.filepath: ExecutedPath = filepath
+        self.mode = mode
+        self.model = None
+        self.file = None
+        self.__remote: RemoteNode | None = None
+
+    def __enter__(self):
+        if not self.filepath.exists():
+            self.__remote = RemoteNode(self.__controller)
+            return self.__remote
+
+        self.file = open(str(self.filepath), self.mode)
+        model = self.file.read()
+        self.model = yams.load(model)
+
+        if self.scope == AnsibleScopes.GROUPVARS.name or self.scope == AnsibleScopes.HOSTVARS.name:
+            api_key: str = model["vps_service"]["api_key"]
+            vault = Vault(model["vps_service"]["password"])
+            password: str = vault.load(model["vps_service"]["password"])
+            fqdn: str = model["fqdn"]
+            service: VirtualPrivateServers = model["vps_service"]["type"]
+            region: Literal["us-east"] = model["vps_service"]["region"]
+            keywords: list[str] = model["keywords"]
+            self.__remote = RemoteNode(self.__controller, api_key, password, fqdn, service, region, keywords)
+            # @TODO add portion wherein SSH keys from 'model' are made to be present in 'self.__remote'
+            self.__remote.import_keys("*")
+            keyfiles = self.__remote.show_keys("available", list)
+            keyfiles_contents = set(map(lambda p: p.read_text(), keyfiles))
+            keyfiles_pub = list(set(model["vps_service"]["ssh_authorized_keys"]) - keyfiles_contents)
+            self.__remote.ssh.keys["available"] = tuple(keyfiles_pub)
+            self.__remote.ssh.keys["selected"] = keyfiles_pub
+            self.__remote.ssh.keys["authorized"] += keyfiles_pub
+            keyfiles_paths = set(map(lambda p: str(p), keyfiles))
+            keyfiles_priv = list(set(model["vps_service"]["ssh_private_key_paths"]) - keyfiles_paths)
+            self.__remote.ssh.keys["available"] = (*self.__remote.ssh.keys["available"],*keyfiles_priv)
+            self.__remote.ssh.keys["selected"] += keyfiles_priv
+            self.__remote.ssh.keys["used"] += keyfiles_priv
+            self.__remote.ssh.fate: Literal["disposal", "retention"] = model["vps_service"]["root_fate"]
+
+            return self.__remote
+        else:
+            raise ValueError
+
+    def __exit__(self):        
+        if self.scope == AnsibleScopes.GROUPVARS.name or self.scope == AnsibleScopes.HOSTVARS.name:
+            ansible_chunk = self.__remote.itemize()
+            ansible_chunk["vps_service"]["ssh_motd_script_basenames"] = self.model["ssh_motd_script_basenames"]
+            ansible_chunk["vps_service"]["ssh_private_key_path_pref"] = self.model["ssh_private_key_path_pref"]
+            del self.model["fqdn"]
+            del self.model["vps_service"]
+            del self.model["keywords"]
+        else:
+            raise ValueError
+
+        file_model = yams.dump(self.model | ansible_chunk)
+        self.file.write(file_model)
+        self.file.close()