Make config-object

src/zinolib/config/models.py

@@ -0,0 +1,17 @@
+from pydantic import BaseModel
+from typing import Optional
+
+
+class UserConfig(BaseModel):
+    username: str
+    password: str
+
+
+class ServerV1Config(BaseModel):
+    server: str
+    port: str = "8001"
+
+
+class Options(BaseModel):
+    autoremove: bool = False
+    timeout: int = 30

src/zinolib/config/zino1.py

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+from pydantic import BaseModel
+
+from . import tcl
+from .models import UserConfig, ServerV1Config, Options
+
+
+def _parse_tcl(config_dict, section):
+    fixed_dict = tcl.normalize(config_dict)
+    connection = fixed_dict["connections"][section]
+    options = fixed_dict["globals"]
+    connection['password'] = connection.pop("secret")
+    return connection, options
+
+
+class ZinoV1Config(UserConfig, ServerV1Config, Options):
+    """
+    How to use::
+
+    Make a config-class from the tcl-config stored on disk::
+
+        > config = ZinoV1Config.from_tcl()
+
+    Get the actual user and Zino1 secret and update the config-object::
+
+        > config.set_userauth(actual_username, secret)
+
+    Read some command-line arguments via argparse.ArgumentParser and update the
+    config::
+
+        > config.update_from_args(args)
+    """
+
+    @classmethod
+    def from_tcl(cls, section="default"):
+        config_dict = tcl.parse_tcl_config()
+        connection, options = _parse_tcl(config_dict, section)
+        return cls(**connection, **options)
+
+    def set_userauth(self, username, password):
+        self.username = username
+        self.password = password
+
+    def update_from_args(self, args):
+        """
+        Assumes argparse-style args namespace object
+
+        arg-names not found in the config-object are ignored.
+        """
+        for arg in vars(args):
+            value = getattr(args, arg, None)
+            if arg in vars(self):
+                setattr(self, arg, value)

tests/test_zinolib_config_zino1.py

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+import unittest
+from argparse import ArgumentParser
+
+
+from zinolib.config.zino1 import ZinoV1Config, _parse_tcl
+
+
+class ParseTclTest(unittest.TestCase):
+
+    def test_parse_tcl_golden_path(self):
+        section = "default"
+        config_dict = {
+            "default": {
+                "Port": "8001",
+                "Secret": "0123456789",
+                "Server": "example.org",
+                "Sortby": '"upd-rev"',
+                "User": "admin",
+            },
+            "dev-server": {
+                "Port": "8001",
+                "Secret": "0123456789",
+                "Server": "example.com",
+                "User": "admin",
+            },
+        }
+        expected_connection = {
+            "port": "8001",
+            "password": "0123456789",
+            "server": "example.org",
+            "username": "admin",
+        }
+        expected_option = {
+            "sort_by": '"upd-rev"',
+        }
+        connection, options = _parse_tcl(config_dict, section)
+        self.assertEqual(expected_connection, connection)
+        self.assertEqual(expected_option, options)
+
+
+class ZinoV1ConfigTest(unittest.TestCase):
+
+    example_connection = {
+        "port": "8001",
+        "password": "0123456789",
+        "server": "example.org",
+        "username": "admin",
+    }
+
+    def manually_create_config(self, connection=None):
+        connection = connection or self.example_connection
+        options = {}
+        return ZinoV1Config(**connection, **options)
+
+    def test_manually_create_config(self):
+        config = self.manually_create_config()
+        self.assertEqual(config.port, "8001")
+
+    def test_set_userauth(self):
+        config = self.manually_create_config()
+        self.assertEqual(config.username, "admin")
+        config.set_userauth('foo', 'barfybarf')
+        self.assertEqual(config.username, "foo")
+
+    def test_update_from_args(self):
+        parser = ArgumentParser()
+        parser.add_argument("password")
+        parser.add_argument("unknown")
+        args = parser.parse_args(["x", "y"])
+        config = self.manually_create_config()
+        self.assertEqual(config.password, "0123456789")
+        config.update_from_args(args)
+        self.assertEqual(config.password, "x")
+        self.assertNotIn("unknown", vars(config))