new plugin loading system

archivebox/builtin_plugins/base/apps.py

@@ -0,0 +1,82 @@
+import sys
+import inspect
+from typing import List, Dict, Any, Optional
+from pathlib import Path
+
+import django
+from django.apps import AppConfig
+from django.core.checks import Tags, Warning, register
+from django.db.backends.sqlite3.base import Database as sqlite3
+
+from pydantic import (
+    Field,
+    SerializeAsAny,
+)
+
+from pydantic_pkgr import BinProvider, BinProviderName, ProviderLookupDict, BinName, Binary, EnvProvider, NpmProvider
+
+from plugantic.extractors import Extractor, ExtractorName
+from plugantic.plugins import Plugin
+from plugantic.configs import ConfigSet, ConfigSectionName
+from plugantic.replayers import Replayer
+
+
+class PythonBinary(Binary):
+    name: BinName = 'python'
+
+    providers_supported: List[BinProvider] = [EnvProvider()]
+    provider_overrides: Dict[str, Any] = {
+        'env': {
+            'subdeps': \
+                lambda: 'python3 python3-minimal python3-pip python3-virtualenv',
+            'abspath': \
+                lambda: sys.executable,
+            'version': \
+                lambda: '{}.{}.{}'.format(*sys.version_info[:3]),
+        },
+    }
+
+class SqliteBinary(Binary):
+    name: BinName = 'sqlite'
+    providers_supported: List[BinProvider] = [EnvProvider()]
+    provider_overrides:  Dict[BinProviderName, ProviderLookupDict] = {
+        'env': {
+            'abspath': \
+                lambda: inspect.getfile(sqlite3),
+            'version': \
+                lambda: sqlite3.version,
+        },
+    }
+
+class DjangoBinary(Binary):
+    name: BinName = 'django'
+
+    providers_supported: List[BinProvider] = [EnvProvider()]
+    provider_overrides:  Dict[BinProviderName, ProviderLookupDict] = {
+        'env': {
+            'abspath': \
+                lambda: inspect.getfile(django),
+            'version': \
+                lambda: django.VERSION[:3],
+        },
+    }
+
+
+class BasicReplayer(Replayer):
+    name: str = 'basic'
+
+
+class BasePlugin(Plugin):
+    name: str = 'base'
+    configs: List[SerializeAsAny[ConfigSet]] = []
+    binaries: List[SerializeAsAny[Binary]] = [PythonBinary(), SqliteBinary(), DjangoBinary()]
+    extractors: List[SerializeAsAny[Extractor]] = []
+    replayers: List[SerializeAsAny[Replayer]] = [BasicReplayer()]
+
+
+PLUGINS = [BasePlugin()]
+
+
+class BaseConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'builtin_plugins.base'