new frontend configuration system

weboob/frontends/http/scripts/http

@@ -35,7 +35,7 @@ class Application(BaseApplication):
     APPNAME = 'http'
 
     def main(self, argv):
-        self.weboob.load_modules()
+        self.weboob.load_backends()
 
 template_lookup = TemplateLookup(directories=['%s/../templates' % os.path.dirname(__file__)],
                                  output_encoding='utf-8', encoding_errors='replace')

weboob/frontends/monboob/scripts/monboob

@@ -40,14 +40,14 @@ class Monboob(BaseApplication):
 
     def main(self, argv):
         self.load_config()
-        if not self.myconfig:
+        if not self.config:
             print >>sys.stderr, "Error: %s is not configured yet. Please call 'monboob -c'" % argv[0]
             print >>sys.stderr, "Also, you need to use 'weboobcfg' to set backend configs"
             return -1
 
-        self.weboob.load_modules(ICapMessages, backends=self.config.getbackends())
+        self.weboob.load_modules(ICapMessages)
 
-        self.weboob.schedule(self.myconfig['interval'], self.process)
+        self.weboob.schedule(self.config.get('interval'), self.process)
         self.weboob.loop()
 
     def process(self):
@@ -56,8 +56,8 @@ class Monboob(BaseApplication):
                 self.send_email(name, message)
 
     def send_email(self, backend_name, mail):
-        domain = self.myconfig['domain']
-        recipient = self.myconfig['recipient']
+        domain = self.config.get('domain')
+        recipient = self.config.get('recipient')
 
         reply_id = ''
         if mail.get_reply_id():
@@ -111,7 +111,7 @@ class Monboob(BaseApplication):
             msg['In-Reply-To'] = reply_id
 
         # Send the message via SMTP to localhost:25
-        smtp = SMTP(self.myconfig['smtp'])
+        smtp = SMTP(self.config.get('smtp'))
         smtp.sendmail(sender, recipient, msg.as_string())
         smtp.quit()
 

weboob/tools/application.py

@@ -28,7 +28,7 @@ from weboob import Weboob
 class BaseApplication(object):
     APPNAME = ''
     CONFIG = {}
-    CONFDIR = '%s/.weboob/' % os.path.expanduser("~")
+    CONFDIR = os.path.join(os.path.expanduser('~'), '.weboob')
 
     def __init__(self):
         self.weboob = Weboob(self.APPNAME)
@@ -45,18 +45,16 @@ class BaseApplication(object):
         if klass is None:
             # load Config only here because some applications don't want
             # to depend on yaml and do not use this function
-            from weboob.tools.config import Config
-            klass = Config
+            from weboob.tools.config.yaml import YamlConfig
+            klass = YamlConfig
 
         if path is None:
-            path = self.CONFDIR + 'weboobrc'
+            path = os.path.join(self.CONFDIR, self.APPNAME)
         elif not path.startswith('/'):
-            path = self.CONFDIR + path
+            path = os.path.join(self.CONFDIR, path)
 
         self.config = klass(path)
-        self.config.load()
-        self.myconfig = self.CONFIG
-        self.myconfig.update(self.config.getfrontend(self.APPNAME))
+        self.config.load(self.CONFIG)
 
     def main(self, argv):
         """ Main function """

weboob/tools/config/iconfig.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+
+"""
+Copyright(C) 2010  Romain Bignon
+
+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 3 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+"""
+
+class ConfigError(Exception): pass
+
+class IConfig:
+    def load(self, default={}):
+        raise NotImplementedError()
+
+    def save(self):
+        raise NotImplementedError()
+
+    def set(self, *args):
+        raise NotImplementedError()
+
+    def get(self, *args, **kwargs):
+        raise NotImplementedError()

weboob/tools/config/yaml.py

@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+
+"""
+Copyright(C) 2010  Romain Bignon
+
+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 3 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+"""
+
+from __future__ import with_statement
+
+import yaml
+
+from .iconfig import IConfig, ConfigError
+
+class YamlConfig(IConfig):
+    def __init__(self, path):
+        self.path = path
+        self.values = {}
+
+    def load(self, default={}):
+        self.values = default.copy()
+
+        try:
+            with open(self.path, 'r') as f:
+                self.values = yaml.load(f)
+        except IOError:
+            pass
+
+        if self.values is None:
+            self.values = {}
+
+    def save(self):
+        with open(self.path, 'w') as f:
+            yaml.dump(self.values, f)
+
+    def get(self, *args, **kwargs):
+        default = None
+        if 'default' in kwargs:
+            default = kwargs['default']
+
+        v = self.values
+        for a in args[:-1]:
+            try:
+                v = v[a]
+            except KeyError:
+                if not default is None:
+                    v[a] = {}
+                    v = v[a]
+                else:
+                    raise ConfigError()
+            except TypeError:
+                raise ConfigError()
+
+        try:
+            v = v[args[-1]]
+        except KeyError:
+            v[args[-1]] = default
+            v = v[args[-1]]
+
+        return v
+
+    def set(self, *args):
+        v = self.values
+        for a in args[:-2]:
+            try:
+                v = v[a]
+            except KeyError:
+                v[a] = {}
+                v = v[a]
+            except TypeError:
+                raise ConfigError()
+
+        v[args[-2]] = args[-1]