Added new config file handler

1 files changed, 79 insertions, 0 deletions

diff --git a/dodai/config/files.py b/dodai/config/files.py
new file mode 100644
index 0000000..57e964c
--- /dev/null
+++ b/dodai/config/files.py
@@ -0,0 +1,79 @@
+# Copyright (C) 2010  Leonard Thomas
+#
+# This file is part of Dodai.
+#
+# Dodai 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, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Dodai 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 Dodai.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import ConfigParser
+from dodai.tools.himo import Himo
+from dodai.config.sections import ConfigSections
+
+class ConfigFiles(object):
+
+    def __init__(self):
+
+        self._default_parser = ConfigParser.ConfigParser()
+        self._string_object = Himo
+        self._files = {}
+        self._paths = []
+
+        def set_default_parser(self, parser):
+            self.check_config_parser(parser)
+            self._default_parser = parser
+
+        def set_string_object(self, obj):
+            self._string_object = obj
+
+        def add_file(self, path, parser=None):
+            if parser:
+                self.check_config_parser(parser)
+            if os.path.exists(path):
+                if parser:
+                    self._files[path] = parser
+                else:
+                    self._paths.append(path)
+            else:
+                raise FileDoesNotExist(path)
+
+        def is_valid_config_parser(self, obj):
+            out = True
+            if not hasattr(obj, 'read'):
+                out = False
+            return out
+
+        def check_config_parser(self, obj):
+            if self.is_valid_config_parser(obj):
+                return True
+            else:
+                raise InvalidConfigParser("Please make sure your object "\
+                                          "has the following methods: "\
+                                          "sections, options, read and get.")
+
+        def load(self, sections_object=None):
+            paths = []
+            sections = sections_object or ConfigSections(self._string_object)
+            self._default_parser.read(self._paths)
+            sections(self._default_parser)
+            for path, parser in self._files:
+                parser.read(path)
+                sections(parser)
+            return sections
+
+
+class InvalidConfigParser(Exception):
+    pass
+
+class FileDoesNotExist(Exception):
+    pass