diff foodtruck/config.py @ 587:d4a01a023998

admin: Add "FoodTruck" admin panel from the side experiment project.
author Ludovic Chabant <ludovic@chabant.com>
date Sat, 16 Jan 2016 14:24:35 -0800
parents
children 79a31a3c947b
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/foodtruck/config.py	Sat Jan 16 14:24:35 2016 -0800
@@ -0,0 +1,67 @@
+import os.path
+import copy
+import logging
+import yaml
+from piecrust.configuration import (
+        Configuration, ConfigurationError, ConfigurationLoader,
+        merge_dicts)
+
+
+logger = logging.getLogger(__name__)
+
+
+def get_foodtruck_config():
+    cfg_path = os.path.join(os.getcwd(), 'foodtruck.yml')
+    return FoodTruckConfiguration(cfg_path)
+
+
+class FoodTruckConfigNotFoundError(Exception):
+    pass
+
+
+class FoodTruckConfiguration(Configuration):
+    def __init__(self, cfg_path):
+        super(FoodTruckConfiguration, self).__init__()
+        self.cfg_path = cfg_path
+
+    def _load(self):
+        try:
+            with open(self.cfg_path, 'r', encoding='utf-8') as fp:
+                values = yaml.load(
+                        fp.read(),
+                        Loader=ConfigurationLoader)
+
+            self._values = self._validateAll(values)
+        except OSError:
+            raise FoodTruckConfigNotFoundError()
+        except Exception as ex:
+            raise ConfigurationError(
+                    "Error loading configuration from: %s" %
+                    self.cfg_path) from ex
+
+    def _validateAll(self, values):
+        if values is None:
+            values = {}
+
+        values = merge_dicts(copy.deepcopy(default_configuration), values)
+
+        return values
+
+    def save(self):
+        with open(self.cfg_path, 'w', encoding='utf8') as fp:
+            self.cfg.write(fp)
+
+
+default_configuration = {
+        'triggers': {
+            'bake': 'chef bake'
+            },
+        'scm': {
+            'type': 'hg'
+            },
+        'security': {
+            'username': '',
+            'password': ''
+            }
+        }
+