VirtualMailManager/cli/handler.py
branchv0.6.x
changeset 320 011066435e6f
parent 319 f4956b4ceba1
child 337 150ddcc8b315
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VirtualMailManager/cli/handler.py	Wed Jul 28 02:08:03 2010 +0000
@@ -0,0 +1,84 @@
+# -*- coding: UTF-8 -*-
+# Copyright (c) 2010, Pascal Volk
+# See COPYING for distribution information.
+"""
+    VirtualMailManager.cli.handler
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    A derived Handler class with a few changes/additions for cli use.
+"""
+
+import os
+
+from VirtualMailManager.errors import VMMError
+from VirtualMailManager.handler import Handler
+from VirtualMailManager.cli import read_pass
+from VirtualMailManager.cli.config import CliConfig as Cfg
+from VirtualMailManager.constants import INVALID_SECTION
+
+_ = lambda msg: msg
+
+
+class CliHandler(Handler):
+    """This class uses a `CliConfig` for configuration stuff, instead of
+    the non-interactive `Config` class.
+
+    It provides the additional methods cfgSet() and configure().
+
+    Additionally it uses `VirtualMailManager.cli.read_pass()` for for the
+    interactive password dialog.
+    """
+
+    __slots__ = ()  # nothing additional, also no __dict__/__weakref__
+
+    def __init__(self):
+        """Creates a new CliHandler instance.
+
+        Throws a NotRootError if your uid is greater 0.
+        """
+        # Overwrite the parent CTor partly, we use the CliConfig class
+        # and add some command line checks.
+        skip_some_checks = os.sys.argv[1] in ('cf', 'configure', 'h', 'help',
+                                              'v', 'version')
+        super(CliHandler, self).__init__(skip_some_checks)
+
+        self._cfg = Cfg(self._cfg_fname)
+        self._cfg.load()
+        if not skip_some_checks:
+            self._cfg.check()
+            self._chkenv()
+
+    def cfg_set(self, option, value):
+        """Set a new value for the given option."""
+        return self._cfg.set(option, value)
+
+    def configure(self, section=None):
+        """Starts the interactive configuration.
+
+        Configures in interactive mode options in the given ``section``.
+        If no section is given (default) all options from all sections
+        will be prompted.
+        """
+        if section is None:
+            self._cfg.configure(self._cfg.sections())
+        elif self._cfg.has_section(section):
+            self._cfg.configure([section])
+        else:
+            raise VMMError(_(u'Invalid section: ā€œ%sā€') % section,
+                           INVALID_SECTION)
+
+    def user_add(self, emailaddress, password=None):
+        """Prefix the parent user_add() with the interactive password
+        dialog."""
+        if password is None:
+            password = read_pass()
+        super(CliHandler, self).user_add(emailaddress, password)
+
+    def user_password(self, emailaddress, password=None):
+        """Prefix the parent user_password() with the interactive password
+        dialog."""
+        if password is None:
+            password = read_pass()
+        super(CliHandler, self).user_password(emailaddress, password)
+
+del _