From c2bf2f9961bea6c382fe17bbf1057a58ce6a3d2b Mon Sep 17 00:00:00 2001
From: Firehose merge bot <firehose@merge.bot>
Date: Thu, 7 Aug 2014 09:25:45 +0100
Subject: More firehose bits

---
 firehose/__init__.py |  0
 firehose/config.py   | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 firehose/__init__.py
 create mode 100644 firehose/config.py

(limited to 'firehose')

diff --git a/firehose/__init__.py b/firehose/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/firehose/config.py b/firehose/config.py
new file mode 100644
index 0000000..be034fe
--- /dev/null
+++ b/firehose/config.py
@@ -0,0 +1,48 @@
+# Copyright (C) 2014  Codethink Limited
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import yaml
+
+class FirehoseConfigError(Exception):
+    def __init__(self, config, what, path):
+        self.config = config
+        self.what = what
+        self.path = path
+
+    def __repr__(self):
+        return "<FirehoseConfigError %s: %s (@ %s)>" % (
+            self.config.sourcename, self.what, (".").join(self.path))
+
+    def __str__(self):
+        return repr(self)
+
+class FirehoseConfig:
+    def __init__(self, sourcename, readfrom):
+        self.sourcename = sourcename
+        self.content = yaml.safe_load(readfrom)
+        assert(self.content.get("kind") == "firehose")
+        
+    def __getattr__(self, attrname):
+        attrpath = attrname.split("_")
+        node = self.content
+        pathused = []
+        while attrpath:
+            elem = attrpath.pop(0)
+            pathused.append(elem)
+            if node.get(elem) is None:
+                raise FirehoseConfigError(self, "Unknown element", pathused)
+            else:
+                node = node.get(elem)
+        return node
-- 
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