feat(config): Schema validator, initial config merger setup

PKGBUILD

@@ -0,0 +1,28 @@
+# Maintainer: Janis Hutz <development@janishutz.com>
+
+pkgname=archmgr-git
+pkgver=0.0.0
+pkgrel=1
+pkgdesc='A nixos-like declarative config and package manager for Arch Linux'
+arch=('any')
+url="https://github.com/janishutz/archmgr"
+license=('GPL3')
+depends=('python', 'python-pyaml')
+makedepends=('git')
+provides=('archmgr')
+conflicts=('archmgr')
+source=("$pkgname"::git+${url}.git)
+sha256sums=('SKIP') # TODO: Add?
+
+pkgver() {
+    cd "${pkgname}"
+
+    # TODO: For the non-git pkgbuild, need to use different output
+    printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+}
+
+package() {
+    cd "${pkgname}"
+
+    # TODO: Need to finish
+}

archmgr.py

@@ -9,6 +9,7 @@ import commands.init as init
 import commands.pull as pull
 import commands.push as push
 import commands.prepare as setup
+from config import load_config
 
 if __name__ == "__main__":
     args, ap = cliargs.add_cli_args()
@@ -29,6 +30,7 @@ if __name__ == "__main__":
                                       \\___/      
         """)
 
+    print(load_config("config.yml"))
     try:
         if args.cmd == "commit":
             commit.commit(args.force, args.no_render)

config.schema.json

@@ -88,6 +88,12 @@
                                     },
                                     "maxItems": 5,
                                     "minItems": 1
+                                },
+                                "count": {
+                                    "type": "number",
+                                    "description": "The number of mirrors to add to the list",
+                                    "maximum": 20,
+                                    "minimum": 3
                                 }
                             },
                             "required": [

config/__init__.py

@@ -0,0 +1,31 @@
+from typing import Any, cast
+import yaml
+
+from config import validator
+from config.merger import merge_configs
+
+
+def _load_config_file(file: str):
+    with open(file, "r") as f:
+        parsed = yaml.load(f, Loader=yaml.FullLoader)
+    return parsed
+
+
+def load_config(file: str):
+    # Load and validate initial config
+    try:
+        loaded_conf = _load_config_file(file)
+    except Exception:
+        return {}
+    if not validator.validate(loaded_conf):
+        return {}
+
+    conf = cast(dict[str, Any], loaded_conf)
+    requires = cast(list[str], conf["requires"])
+    conf.pop("requires")
+
+    # Recursively load files
+    for conf_file in requires:
+        conf = merge_configs(conf, load_config(conf_file))
+
+    return conf

config/merger.py

@@ -0,0 +1,6 @@
+def merge_configs(config: dict, new_config: dict):
+    if len(new_config) == 0 or len(config) == 0:
+        return config
+
+    # Merge configs
+    return config

config/validator.py

@@ -1,2 +1,18 @@
-def validate():
-    pass
+import json
+import jsonschema
+
+with open("config.schema.json") as file:
+    schema = json.load(file)
+
+
+def validate(config):
+    try:
+        jsonschema.validate(config, schema)
+    except jsonschema.SchemaError:
+        print("Schema invalid")
+        return False
+    except jsonschema.ValidationError:
+        print("Config invalid")
+        return False
+
+    return True

requirements.txt

@@ -1,3 +1,4 @@
+pyyaml
 pylette
 argcomplete
 inquirer