From: Frank Brehm <frank.brehm@pixelpark.com>
Date: Tue, 30 Jan 2024 11:10:04 +0000 (+0100)
Subject: Reorganizing Exception classes.
X-Git-Tag: 1.0.0~1^2~34
X-Git-Url: https://git.uhu-banane.org/?a=commitdiff_plain;h=441849e391f616f94f775ad92ad5bf76e241a939;p=pixelpark%2Fpp-admin-tools.git

Reorganizing Exception classes.
---

diff --git a/lib/pp_admintools/app/__init__.py b/lib/pp_admintools/app/__init__.py
index e3abc1f..0ffc86b 100644
--- a/lib/pp_admintools/app/__init__.py
+++ b/lib/pp_admintools/app/__init__.py
@@ -14,7 +14,6 @@ import shutil
 
 # Third party modules
 from fb_tools.cfg_app import FbConfigApplication
-from fb_tools.errors import FbAppError
 from fb_tools.multi_config import BaseMultiConfig
 
 # Own modules
@@ -32,21 +31,7 @@ LOG = logging.getLogger(__name__)
 _ = XLATOR.gettext
 ngettext = XLATOR.ngettext
 
-__version__ = '0.7.0'
-
-
-# =============================================================================
-class DPXAppError(FbAppError):
-    """Base exception class for all exceptions in all LDAP using application classes."""
-
-    pass
-
-
-# =============================================================================
-class AbortAppError(DPXAppError):
-    """Special exception class interrupting the application."""
-
-    pass
+__version__ = '0.8.0'
 
 
 # =============================================================================
diff --git a/lib/pp_admintools/app/check_ldap_dn_attributes.py b/lib/pp_admintools/app/check_ldap_dn_attributes.py
index f84c52f..531b993 100644
--- a/lib/pp_admintools/app/check_ldap_dn_attributes.py
+++ b/lib/pp_admintools/app/check_ldap_dn_attributes.py
@@ -21,26 +21,17 @@ from fb_tools.collections import CIDict, CIStringSet
 from fb_tools.xlate import format_list
 
 from .ldap import BaseLdapApplication
-# from .ldap import LdapAppError, FatalLDAPError
-from .ldap import LdapAppError
 from .. import pp
 from ..config.ldap import LdapConfiguration
 from ..xlate import XLATOR
 
-__version__ = '0.3.6'
+__version__ = '0.4.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 ngettext = XLATOR.ngettext
 
 
-# =============================================================================
-class CheckLdapDnAttributesError(LdapAppError):
-    """Special exception class for exceptions inside this module."""
-
-    pass
-
-
 # =============================================================================
 class CheckLdapDnAttributesApplication(BaseLdapApplication):
     """Application class for checking all DN-like attributes in a LDAP instance."""
diff --git a/lib/pp_admintools/app/check_ldap_pwd_schemes.py b/lib/pp_admintools/app/check_ldap_pwd_schemes.py
index 12b4007..bafdbc5 100644
--- a/lib/pp_admintools/app/check_ldap_pwd_schemes.py
+++ b/lib/pp_admintools/app/check_ldap_pwd_schemes.py
@@ -25,27 +25,18 @@ from fb_tools.collections import CIDict, CIStringSet
 from fb_tools.xlate import format_list
 
 from .ldap import BaseLdapApplication
-# from .ldap import LdapAppError, FatalLDAPError
-from .ldap import LdapAppError
 from .. import pp
 from ..config.ldap import LdapConfiguration
 from ..handler.ldap_password import LdapPasswordHandler
 from ..xlate import XLATOR
 
-__version__ = '0.2.3'
+__version__ = '0.3.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 ngettext = XLATOR.ngettext
 
 
-# =============================================================================
-class CheckLdapPwdSchemesError(LdapAppError):
-    """Special exception class for exceptions inside this module."""
-
-    pass
-
-
 # =============================================================================
 class CheckLdapPwdSchemesApplication(BaseLdapApplication):
     """Application class for checking password hashing schemes in LDAP."""
diff --git a/lib/pp_admintools/app/clean_empty_ldap_groups.py b/lib/pp_admintools/app/clean_empty_ldap_groups.py
index 95fc445..901e6ab 100644
--- a/lib/pp_admintools/app/clean_empty_ldap_groups.py
+++ b/lib/pp_admintools/app/clean_empty_ldap_groups.py
@@ -24,25 +24,16 @@ from fb_tools.xlate import format_list
 
 # Own modules
 from .ldap import BaseLdapApplication
-# from .ldap import FatalLDAPError
-from .ldap import LdapAppError
 from .. import pp
 from ..xlate import XLATOR
 
-__version__ = '0.4.0'
+__version__ = '0.5.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 ngettext = XLATOR.ngettext
 
 
-# =============================================================================
-class CleanEmptyLdapGroupsUserError(LdapAppError):
-    """Special exception class for exceptions inside this module."""
-
-    pass
-
-
 # =============================================================================
 class CleanEmptyLdapGroupsApplication(BaseLdapApplication):
     """Application class for removing empty groups from LDAP."""
diff --git a/lib/pp_admintools/app/dns_deploy_zones.py b/lib/pp_admintools/app/dns_deploy_zones.py
index f9388dc..1a5a228 100644
--- a/lib/pp_admintools/app/dns_deploy_zones.py
+++ b/lib/pp_admintools/app/dns_deploy_zones.py
@@ -36,25 +36,20 @@ from pytz import UnknownTimeZoneError, timezone
 import six
 
 # Own modules
-from .pdns import PpPDNSAppError, PpPDNSApplication
+from .pdns import PpPDNSApplication
 from .. import __version__ as GLOBAL_VERSION
 from .. import pp
 from ..config.dns_deploy_zones import DnsDeployZonesConfig
+from ..errors import DpxDeployZonesError
+from ..errors import DpxPDNSAppError
 from ..xlate import XLATOR
 
-__version__ = '0.8.10'
+__version__ = '0.9.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 
 
-# =============================================================================
-class PpDeployZonesError(PpPDNSAppError):
-    """Special exception class to use in this module."""
-
-    pass
-
-
 # =============================================================================
 class PpDeployZonesApp(PpPDNSApplication):
     """
@@ -331,7 +326,7 @@ class PpDeployZonesApp(PpPDNSApplication):
 
         try:
             super(PpDeployZonesApp, self).pre_run()
-        except PpPDNSAppError as e:
+        except DpxPDNSAppError as e:
             self.exit(5, str(e))
 
         if self.cfg.pdns_instance == 'global':
@@ -584,7 +579,7 @@ class PpDeployZonesApp(PpPDNSApplication):
                 if key_id not in self.named_keys:
                     msg = _('Key {k!r} for zone {z!r} not found in named configuration.').format(
                         k=key_id, z=show_name)
-                    raise PpDeployZonesError(msg)
+                    raise DpxDeployZonesError(msg)
 
             allow_line = '\tallow-transfer {'
             for key_id in zone.master_tsig_key_ids:
@@ -656,9 +651,9 @@ class PpDeployZonesApp(PpPDNSApplication):
     def files_equal_content(self, file_src, file_tgt):
         """Compare two configuration files by ignoring whitespaces and comments."""
         if not file_src:
-            raise PpDeployZonesError(_('Source file not defined.'))
+            raise DpxDeployZonesError(_('Source file not defined.'))
         if not file_tgt:
-            raise PpDeployZonesError(_('Target file not defined.'))
+            raise DpxDeployZonesError(_('Target file not defined.'))
 
         LOG.debug(_('Comparing {one!r} with {two!r} ...').format(
             one=str(file_src), two=str(file_tgt)))
@@ -666,11 +661,11 @@ class PpDeployZonesApp(PpPDNSApplication):
         if not file_src.exists():
             msg = _('{what} {f!r} does not exists.').format(
                 what=_('Source file'), f=str(file_src))
-            raise PpDeployZonesError(msg)
+            raise DpxDeployZonesError(msg)
         if not file_src.is_file():
             msg = _('{what} {f!r} is not a regular file.').format(
                 what=_('Source file'), f=str(file_src))
-            raise PpDeployZonesError(msg)
+            raise DpxDeployZonesError(msg)
 
         if not file_tgt.exists():
             msg = _('{what} {f!r} does not exists.').format(
@@ -680,7 +675,7 @@ class PpDeployZonesApp(PpPDNSApplication):
         if not file_tgt.is_file():
             msg = _('{what} {f!r} is not a regular file.').format(
                 what=_('Target file'), f=str(file_tgt))
-            raise PpDeployZonesError(msg)
+            raise DpxDeployZonesError(msg)
 
         # Reading source file
         content_src = ''
diff --git a/lib/pp_admintools/app/ldap.py b/lib/pp_admintools/app/ldap.py
index 01ea148..ec77862 100644
--- a/lib/pp_admintools/app/ldap.py
+++ b/lib/pp_admintools/app/ldap.py
@@ -35,65 +35,30 @@ from ldap3 import BASE, SUBTREE
 from ldap3 import Connection, DSA, IP_V4_PREFERRED, SAFE_SYNC, Server
 from ldap3 import MODIFY_ADD, MODIFY_DELETE, MODIFY_REPLACE
 from ldap3.core.exceptions import LDAPBindError
+# from ldap3.core.exceptions import LDAPCommunicationError
 from ldap3.core.exceptions import LDAPException
 
 # Own modules
-from . import BaseDPXApplication, DPXAppError
+from . import BaseDPXApplication
 from .. import DEFAULT_CONFIG_DIR, MAX_PORT_NUMBER
 from .. import __version__ as GLOBAL_VERSION
 from .. import pp
 from ..config.ldap import DEFAULT_TIMEOUT
 from ..config.ldap import LdapConfiguration, LdapConnectionInfo
+# from ..errors import DpxAppError
+from ..errors import DpxDeleteLdapItemError
+from ..errors import DpxLdapError
+from ..errors import DpxLdapParseError
+from ..errors import DpxWriteLdapItemError
 from ..xlate import XLATOR, format_list
 
-__version__ = '0.12.1'
+__version__ = '1.0.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 ngettext = XLATOR.ngettext
 
 
-# =============================================================================
-class LdapAppError(DPXAppError):
-    """Base exception class for all exceptions in all LDAP using application classes."""
-
-    pass
-
-
-# =============================================================================
-class FatalLDAPError(LdapAppError):
-    """Fatal errors leading to interrupt the current application."""
-
-    pass
-
-
-# =============================================================================
-class LDAPExecutionError(FatalLDAPError):
-    """Error class in case, a LDAP operation was not successful."""
-
-    pass
-
-
-# =============================================================================
-class WriteLDAPItemError(FatalLDAPError):
-    """Error class in case, a LDAP item could not be written."""
-
-    pass
-
-
-# =============================================================================
-class DeleteLDAPItemError(FatalLDAPError):
-    """Error class in case, a LDAP item could not be deleted."""
-
-    pass
-
-# =============================================================================
-class LDAPParseError(FatalLDAPError):
-    """Error on parsing LDAP stuff."""
-
-    pass
-
-
 # =============================================================================
 class PasswordFileOptionAction(argparse.Action):
     """Argparse action for a password file."""
@@ -282,19 +247,19 @@ class BaseLdapApplication(BaseDPXApplication):
         path = Path(value)
         if not path.is_absolute():
             msg = _('The path {!r} must be an absolute path.').format(value)
-            raise LdapAppError(msg)
+            raise DpxLdapError(msg)
 
         if not path.exists():
             msg = _('The file {!r} does not exists.').format(str(path))
-            raise LdapAppError(msg)
+            raise DpxLdapError(msg)
 
         if not path.is_file():
             msg = _('The given path {!r} exists, but is not a regular file.').format(str(path))
-            raise LdapAppError(msg)
+            raise DpxLdapError(msg)
 
         if not os.access(str(path), os.R_OK):
             msg = _('The given file {!r} is not readable.').format(str(path))
-            raise LdapAppError(msg)
+            raise DpxLdapError(msg)
 
         self._password_file = path
 
@@ -1345,7 +1310,7 @@ class BaseLdapApplication(BaseDPXApplication):
                 dn=dn, c=e.__class__.__name__, e=e)
             msg += '\nobjectClasses:\n' + pp(object_classes)
             msg += '\nAttributes:\n' + pp(target_entry)
-            raise WriteLDAPItemError(msg)
+            raise DpxWriteLdapItemError(msg)
 
         # Example result on a not successful modification:
         # {     'description': 'objectClassViolation',
@@ -1365,7 +1330,7 @@ class BaseLdapApplication(BaseDPXApplication):
                 dn=dn, desc=req_result['description'], msg=req_result['message'].strip())
             msg += '\nobjectClasses:\n' + pp(object_classes)
             msg += '\nAttributes:\n' + pp(target_entry)
-            raise WriteLDAPItemError(msg)
+            raise DpxWriteLdapItemError(msg)
 
         LOG.debug(_('Creation successful.'))
         return True
@@ -1392,7 +1357,7 @@ class BaseLdapApplication(BaseDPXApplication):
             msg = _('Modification of {dn!r} was NOT successfull - {c}: {e}').format(
                 dn=dn, c=e.__class__.__name__, e=e)
             msg += '\n' + _('Changes:') + '\n' + pp(changes)
-            raise WriteLDAPItemError(msg)
+            raise DpxWriteLdapItemError(msg)
 
         # Example result on a not successful modification:
         # {     'description': 'objectClassViolation',
@@ -1411,7 +1376,7 @@ class BaseLdapApplication(BaseDPXApplication):
             msg = _('Modification of {dn!r} was NOT successful: {desc} - {msg}').format(
                 dn=dn, desc=req_result['description'], msg=req_result['message'].strip())
             msg += '\n' + _('Changes:') + '\n' + pp(changes)
-            raise WriteLDAPItemError(msg)
+            raise DpxWriteLdapItemError(msg)
 
         LOG.debug(_('Modification successful.'))
         return True
@@ -1436,7 +1401,7 @@ class BaseLdapApplication(BaseDPXApplication):
         except LDAPException as e:
             msg = _('Deletion of {dn!r} was NOT successfull - {c}: {e}').format(
                 c=e.__class__.__name__, e=e)
-            raise DeleteLDAPItemError(msg)
+            raise DpxDeleteLdapItemError(msg)
 
         if self.verbose > 1:
             LOG.debug(_('Deletion status: {!r}.').format(req_status))
@@ -1446,7 +1411,7 @@ class BaseLdapApplication(BaseDPXApplication):
         if not req_status:
             msg = _('Deletion of {dn!r} was NOT successful: {desc} - {msg}').format(
                 dn=dn, desc=req_result['description'], msg=req_result['message'].strip())
-            raise DeleteLDAPItemError(msg)
+            raise DpxDeleteLdapItemError(msg)
 
         LOG.debug(_('Deletion successful.'))
 
@@ -1629,7 +1594,7 @@ class BaseLdapApplication(BaseDPXApplication):
         match = self.re_dntoken.match(first_dn_token)
         if not match:
             msg = _('Could not detect RDN from DN {!r}.').format(dn)
-            raise LDAPParseError(msg)
+            raise DpxLdapParseError(msg)
         rdn = match.group(1)
         if self.verbose > 2:
             msg = _('Found RDN attribute {!r}.').format(rdn)
diff --git a/lib/pp_admintools/app/mail.py b/lib/pp_admintools/app/mail.py
index fd4c82c..b337d5a 100644
--- a/lib/pp_admintools/app/mail.py
+++ b/lib/pp_admintools/app/mail.py
@@ -23,7 +23,7 @@ from fb_tools import MailAddress
 from fb_tools.xlate import format_list
 
 # Own modules
-from . import BaseDPXApplication, DPXAppError
+from . import BaseDPXApplication
 from .. import DEFAULT_CONFIG_DIR, MAX_PORT_NUMBER
 from .. import __version__ as GLOBAL_VERSION
 from .. import pp
@@ -31,20 +31,13 @@ from ..argparse_actions import PortOptionAction
 from ..config.mail import MailConfiguration
 from ..xlate import XLATOR
 
-__version__ = '0.3.4'
+__version__ = '0.4.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 ngettext = XLATOR.ngettext
 
 
-# =============================================================================
-class MailAppError(DPXAppError):
-    """Base exception class for all exceptions in all mail sending application classes."""
-
-    pass
-
-
 # =============================================================================
 class BaseMailApplication(BaseDPXApplication):
     """Base class for all mail sending application classes."""
diff --git a/lib/pp_admintools/app/mirror_ldap.py b/lib/pp_admintools/app/mirror_ldap.py
index dbd4008..0bd2e46 100644
--- a/lib/pp_admintools/app/mirror_ldap.py
+++ b/lib/pp_admintools/app/mirror_ldap.py
@@ -25,29 +25,20 @@ from fb_tools.xlate import format_list
 from ldap3 import ALL_ATTRIBUTES
 
 # Own modules
-# from .ldap import LdapAppError, FatalLDAPError
 from .ldap import BaseLdapApplication
-from .ldap import LdapAppError
 from .. import pp
 from ..argparse_actions import LimitedFloatOptionAction
 from ..argparse_actions import NonNegativeIntegerOptionAction
 from ..config.mirror_ldap import MirrorLdapConfiguration
 from ..xlate import XLATOR
 
-__version__ = '0.9.2'
+__version__ = '1.0.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 ngettext = XLATOR.ngettext
 
 
-# =============================================================================
-class MirrorLdapError(LdapAppError):
-    """Special exception class for exceptions inside this module."""
-
-    pass
-
-
 # =============================================================================
 class MirrorLdapApplication(BaseLdapApplication):
     """Application class for mirroring one LDAP instance to another."""
diff --git a/lib/pp_admintools/app/mk_ldap_passwd.py b/lib/pp_admintools/app/mk_ldap_passwd.py
index f3e221f..f908a98 100644
--- a/lib/pp_admintools/app/mk_ldap_passwd.py
+++ b/lib/pp_admintools/app/mk_ldap_passwd.py
@@ -17,27 +17,19 @@ from fb_tools.app import BaseApplication
 
 # Own modules
 from .. import pp
-from ..errors import PpAppError
 from ..handler.ldap_password import LdapPasswordHandler
 from ..handler.ldap_password import WrongPwdSchemaError
 from ..handler.ldap_password import WrongRoundsError
 from ..handler.ldap_password import WrongSaltError
 from ..xlate import XLATOR
 
-__version__ = '0.1.5'
+__version__ = '0.2.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 ngettext = XLATOR.ngettext
 
 
-# =============================================================================
-class MkLdapPasswdError(PpAppError):
-    """Special exception class for exceptions inside this module."""
-
-    pass
-
-
 # =============================================================================
 class MkLdapPasswdApplication(BaseApplication):
     """Application class for the mkldappasswd application."""
diff --git a/lib/pp_admintools/app/pdns.py b/lib/pp_admintools/app/pdns.py
index 8bf78b2..c0f12fa 100644
--- a/lib/pp_admintools/app/pdns.py
+++ b/lib/pp_admintools/app/pdns.py
@@ -33,32 +33,22 @@ import psutil
 import requests
 
 # Own modules
-from .mail import BaseMailApplication, MailAppError
+from .mail import BaseMailApplication
 from .. import __version__ as GLOBAL_VERSION
 from .. import pp
 from ..argparse_actions import PortOptionAction
 from ..config.pdns import PdnsConfiguration
 # from ..config.pdns import PdnsConfigError, PdnsConfiguration
+# from ..errors import DpxMailAppError
+from ..errors import DpxPDNSAppError
 from ..xlate import XLATOR
 
-__version__ = '0.10.0'
+__version__ = '1.0.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 
 
-# =============================================================================
-class PpPDNSAppError(MailAppError):
-    """
-    Base error class for this module.
-
-    It is intended for all exceptions happened during
-    execution this configured application.
-    """
-
-    pass
-
-
 # =============================================================================
 class PpPDNSApplication(BaseMailApplication):
     """Class for configured application objects related to PowerDNS."""
@@ -101,7 +91,7 @@ class PpPDNSApplication(BaseMailApplication):
 
         if not self.cfg:
             msg = _('Configuration not available.')
-            raise PpPDNSAppError(msg)
+            raise DpxPDNSAppError(msg)
 
         self.eval_instance(instance)
 
@@ -114,7 +104,7 @@ class PpPDNSApplication(BaseMailApplication):
     @api_key.setter
     def api_key(self, value):
         if value is None or str(value).strip() == '':
-            raise PpPDNSAppError(_('Invalid API key {!r} given.').format(value))
+            raise DpxPDNSAppError(_('Invalid API key {!r} given.').format(value))
         self._api_key = str(value).strip()
 
     # -----------------------------------------------------------
@@ -126,7 +116,7 @@ class PpPDNSApplication(BaseMailApplication):
     @api_host.setter
     def api_host(self, value):
         if value is None or str(value).strip() == '':
-            raise PpPDNSAppError(_('Invalid API host {!r} given.').format(value))
+            raise DpxPDNSAppError(_('Invalid API host {!r} given.').format(value))
         self._api_host = str(value).strip().lower()
 
     # -----------------------------------------------------------
@@ -139,7 +129,7 @@ class PpPDNSApplication(BaseMailApplication):
     def api_port(self, value):
         v = int(value)
         if v < 1:
-            raise PpPDNSAppError(_('Invalid API port {!r} given.').format(value))
+            raise DpxPDNSAppError(_('Invalid API port {!r} given.').format(value))
         self._api_port = v
 
     # -----------------------------------------------------------
@@ -151,7 +141,7 @@ class PpPDNSApplication(BaseMailApplication):
     @api_servername.setter
     def api_servername(self, value):
         if value is None or str(value).strip() == '':
-            raise PpPDNSAppError(_('Invalid API server name {!r} given.').format(value))
+            raise DpxPDNSAppError(_('Invalid API server name {!r} given.').format(value))
         self._api_servername = str(value).strip()
 
     # -----------------------------------------------------------
@@ -169,10 +159,10 @@ class PpPDNSApplication(BaseMailApplication):
     @instance.setter
     def instance(self, value):
         if value is None:
-            raise PpPDNSAppError(_('Invalid instance {!r} given.').format(None))
+            raise DpxPDNSAppError(_('Invalid instance {!r} given.').format(None))
         v = str(value).strip().lower()
         if v not in self.api_keys.keys():
-            raise PpPDNSAppError(_('Invalid instance {!r} given.').format(value))
+            raise DpxPDNSAppError(_('Invalid instance {!r} given.').format(value))
 
         self.eval_instance(v)
 
@@ -185,11 +175,11 @@ class PpPDNSApplication(BaseMailApplication):
 
         if not self.cfg:
             msg = _('Configuration not available.')
-            raise PpPDNSAppError(msg)
+            raise DpxPDNSAppError(msg)
 
         if inst_name not in self.cfg.pdns_api_instances:
             msg = _('PDNS instance {!r} is not configured.').format(inst_name)
-            raise PpPDNSAppError(msg)
+            raise DpxPDNSAppError(msg)
 
         self._instance = inst_name
         if self.cfg.pdns_host:
@@ -429,9 +419,9 @@ class PpPDNSApplication(BaseMailApplication):
         """Try to get the version of the requested PowerDNS server."""
         try:
             if not self.pdns:
-                raise PpPDNSAppError(_('The PDNS server object does not exists.'))
+                raise DpxPDNSAppError(_('The PDNS server object does not exists.'))
             if not self.pdns.initialized:
-                raise PpPDNSAppError(_('The PDNS server object is not initialized.'))
+                raise DpxPDNSAppError(_('The PDNS server object is not initialized.'))
 
             return self.pdns.get_api_server_version()
 
@@ -441,7 +431,7 @@ class PpPDNSApplication(BaseMailApplication):
             msg = _('Got a {} during evaluating the PDNS server version from API:').format(
                 e.__class__.__name__)
             msg += ' ' + str(e)
-            raise PpPDNSAppError(msg)
+            raise DpxPDNSAppError(msg)
 
     # -------------------------------------------------------------------------
     def _build_url(self, path):
@@ -458,9 +448,9 @@ class PpPDNSApplication(BaseMailApplication):
     def perform_request(self, path, method='GET', data=None, headers=None, may_simulate=False):
         """Perform the underlying API request."""
         if not self.pdns:
-            raise PpPDNSAppError(_('The PDNS server object does not exists.'))
+            raise DpxPDNSAppError(_('The PDNS server object does not exists.'))
         if not self.pdns.initialized:
-            raise PpPDNSAppError(_('The PDNS server object is not initialized.'))
+            raise DpxPDNSAppError(_('The PDNS server object is not initialized.'))
 
         return self.pdns.perform_request(
             path, method=method, data=data, headers=headers, may_simulate=may_simulate)
@@ -469,9 +459,9 @@ class PpPDNSApplication(BaseMailApplication):
     def get_api_zones(self):
         """Try to get the list of supported DNS zones from PDNS-Server."""
         if not self.pdns:
-            raise PpPDNSAppError(_('The PDNS server object does not exists.'))
+            raise DpxPDNSAppError(_('The PDNS server object does not exists.'))
         if not self.pdns.initialized:
-            raise PpPDNSAppError(_('The PDNS server object is not initialized.'))
+            raise DpxPDNSAppError(_('The PDNS server object is not initialized.'))
 
         try:
             return self.pdns.get_api_zones()
@@ -483,9 +473,9 @@ class PpPDNSApplication(BaseMailApplication):
     def get_api_zone(self, zone_name):
         """Try to get the given DNS zone from PDNS-Server."""
         if not self.pdns:
-            raise PpPDNSAppError(_('The PDNS server object does not exists.'))
+            raise DpxPDNSAppError(_('The PDNS server object does not exists.'))
         if not self.pdns.initialized:
-            raise PpPDNSAppError(_('The PDNS server object is not initialized.'))
+            raise DpxPDNSAppError(_('The PDNS server object is not initialized.'))
 
         zone_unicode = zone_name
         json_response = None
diff --git a/lib/pp_admintools/app/remove_ldap_user.py b/lib/pp_admintools/app/remove_ldap_user.py
index 28223c0..56168ae 100644
--- a/lib/pp_admintools/app/remove_ldap_user.py
+++ b/lib/pp_admintools/app/remove_ldap_user.py
@@ -22,24 +22,17 @@ from ldap3 import MODIFY_ADD, MODIFY_DELETE, MODIFY_REPLACE
 
 # Own modules
 from .ldap import BaseLdapApplication
-from .ldap import FatalLDAPError, LdapAppError
 from .. import pp
+from ..errors import DpxFatalLdapError
 from ..xlate import XLATOR
 
-__version__ = '0.6.3'
+__version__ = '0.7.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 ngettext = XLATOR.ngettext
 
 
-# =============================================================================
-class RemoveLdapUserError(LdapAppError):
-    """Special exception class for exceptions inside this module."""
-
-    pass
-
-
 # =============================================================================
 class RemoveLdapUserApplication(BaseLdapApplication):
     """Application class for disabling or removing a user from LDAP."""
@@ -403,7 +396,7 @@ class RemoveLdapUserApplication(BaseLdapApplication):
         if not self.deactivate:
             try:
                 self.delete_entry(inst, dn)
-            except FatalLDAPError as e:
+            except DpxFatalLdapError as e:
                 msg = _('{c} on removing user {dn!r}: {e}').format(
                     c=e.__class__.__name__, dn=dn, e=e)
                 LOG.error(msg)
@@ -443,7 +436,7 @@ class RemoveLdapUserApplication(BaseLdapApplication):
             dn=dn, inst=connect_info.url))
         try:
             self.modify_entry(inst, dn, changes)
-        except FatalLDAPError as e:
+        except DpxFatalLdapError as e:
             msg = _('{c} on deactivating user {dn!r}: {e}').format(
                 c=e.__class__.__name__, dn=dn, e=e)
             msg += '\n' + _('Changes:') + '\n' + pp(changes)
@@ -470,7 +463,7 @@ class RemoveLdapUserApplication(BaseLdapApplication):
             changes = {'member': [(MODIFY_DELETE, dn)], }
             try:
                 self.modify_entry(inst, group_dn, changes)
-            except FatalLDAPError as e:
+            except DpxFatalLdapError as e:
                 msg = _('{c} on removing user {dn!r} from group {g!r}: {e}').format(
                     c=e.__class__.__name__, dn=dn, g=group_dn, e=e)
                 msg += '\n' + _('Changes:') + '\n' + pp(changes)
@@ -497,7 +490,7 @@ class RemoveLdapUserApplication(BaseLdapApplication):
             changes = {'uniqueMember': [(MODIFY_DELETE, dn)], }
             try:
                 self.modify_entry(inst, group_dn, changes)
-            except FatalLDAPError as e:
+            except DpxFatalLdapError as e:
                 msg = _('{c} on removing user {dn!r} from group {g!r}: {e}').format(
                     c=e.__class__.__name__, dn=dn, g=group_dn, e=e)
                 msg += '\n' + _('Changes:') + '\n' + pp(changes)
@@ -528,7 +521,7 @@ class RemoveLdapUserApplication(BaseLdapApplication):
             changes = {'memberUid': [(MODIFY_DELETE, uid)], }
             try:
                 self.modify_entry(inst, group_dn, changes)
-            except FatalLDAPError as e:
+            except DpxFatalLdapError as e:
                 msg = _('{c} on removing user {dn!r} from group {g!r}: {e}').format(
                     c=e.__class__.__name__, dn=uid, g=group_dn, e=e)
                 msg += '\n' + _('Changes:') + '\n' + pp(changes)
@@ -559,7 +552,7 @@ class RemoveLdapUserApplication(BaseLdapApplication):
             changes = {'sudoUser': [(MODIFY_DELETE, uid)], }
             try:
                 self.modify_entry(inst, group_dn, changes)
-            except FatalLDAPError as e:
+            except DpxFatalLdapError as e:
                 msg = _('{c} on removing user {dn!r} from group {g!r}: {e}').format(
                     c=e.__class__.__name__, dn=uid, g=group_dn, e=e)
                 msg += '\n' + _('Changes:') + '\n' + pp(changes)
@@ -675,7 +668,7 @@ class RemoveLdapUserApplication(BaseLdapApplication):
 
         try:
             self.modify_entry(inst, list_dn, changes)
-        except FatalLDAPError as e:
+        except DpxFatalLdapError as e:
             msg = _('{c} on removing mail {mail!r} from {dn!r}: {e}').format(
                 c=e.__class__.__name__, mail=address, dn=list_dn, e=e)
             msg += '\n' + _('Changes:') + '\n' + pp(changes)
diff --git a/lib/pp_admintools/app/set_ldap_password.py b/lib/pp_admintools/app/set_ldap_password.py
index f50b370..ddfb702 100644
--- a/lib/pp_admintools/app/set_ldap_password.py
+++ b/lib/pp_admintools/app/set_ldap_password.py
@@ -24,10 +24,9 @@ from ldap3.core.exceptions import LDAPBindError
 
 # Own modules
 from .ldap import BaseLdapApplication
-from .ldap import FatalLDAPError
-from .ldap import LdapAppError
 from .ldap import PasswordFileOptionAction
 from .. import pp
+from ..errors import DpxFatalLdapError
 from ..handler.ldap_password import HAS_CRACKLIB
 from ..handler.ldap_password import LdapPasswordHandler
 from ..handler.ldap_password import WrongPwdSchemaError
@@ -35,20 +34,13 @@ from ..handler.ldap_password import WrongRoundsError
 from ..handler.ldap_password import WrongSaltError
 from ..xlate import XLATOR
 
-__version__ = '0.8.4'
+__version__ = '0.9.0'
 LOG = logging.getLogger(__name__)
 
 _ = XLATOR.gettext
 ngettext = XLATOR.ngettext
 
 
-# =============================================================================
-class SetLdapPasswordError(LdapAppError):
-    """Special exception class for exceptions inside this module."""
-
-    pass
-
-
 # =============================================================================
 class SetLdapPasswordApplication(BaseLdapApplication):
     """Application class for setting a LDAP password."""
@@ -512,7 +504,7 @@ class SetLdapPasswordApplication(BaseLdapApplication):
 
         try:
             self.modify_entry(inst, self.user_dn, changes, ldap=self.user_connection)
-        except FatalLDAPError as e:
+        except DpxFatalLdapError as e:
             msg = _('{c} on setting password of user {dn!r}: {e}').format(
                 c=e.__class__.__name__, dn=self.user_dn, e=e)
             msg += '\n' + _('Changes:') + '\n' + pp(changes)
diff --git a/lib/pp_admintools/config/__init__.py b/lib/pp_admintools/config/__init__.py
index 2deb3b3..cb30e7a 100644
--- a/lib/pp_admintools/config/__init__.py
+++ b/lib/pp_admintools/config/__init__.py
@@ -24,11 +24,11 @@ from fb_tools.multi_config import DEFAULT_ENCODING
 from fb_tools.multi_config import MultiConfigError
 
 # Own modules
-from ..errors import PpError
+from ..errors import DpxError
 from ..xlate import XLATOR
 
 CONFIG_DIR = 'pixelpark'
-__version__ = '0.2.3'
+__version__ = '0.3.0'
 LOG = logging.getLogger(__name__)
 VALID_MAIL_METHODS = ('smtp', 'sendmail')
 DEFAULT_DOMAIN = 'pixelpark.com'
@@ -39,7 +39,7 @@ _ = XLATOR.gettext
 
 
 # =============================================================================
-class PpConfigurationError(PpError, MultiConfigError):
+class PpConfigurationError(DpxError, MultiConfigError):
     """Base error class for all exceptions happened during evaluation of configuration."""
 
     pass
diff --git a/lib/pp_admintools/errors.py b/lib/pp_admintools/errors.py
index 7175caf..8b8b11a 100644
--- a/lib/pp_admintools/errors.py
+++ b/lib/pp_admintools/errors.py
@@ -10,22 +10,97 @@
 from fb_tools.errors import FbAppError, FbError
 
 
-__version__ = '0.6.1'
+__version__ = '0.7.0'
 
 # =============================================================================
-class PpError(FbError):
+class DpxError(FbError):
     """Base error class for all other self defined exceptions."""
 
     pass
 
 
 # =============================================================================
-class PpAppError(FbAppError):
+class DpxAppError(DpxError, FbAppError):
     """Base error class for all self defined exceptions in applications."""
 
     pass
 
 
+# =============================================================================
+class DpxAbortAppError(DpxAppError):
+    """Special exception class interrupting the application."""
+
+    pass
+
+# =============================================================================
+class DpxLdapError(DpxAppError):
+    """Base exception class for all exceptions in all LDAP using application classes."""
+
+    pass
+
+
+# =============================================================================
+class DpxFatalLdapError(DpxLdapError):
+    """Fatal errors leading to interrupt the current application."""
+
+    pass
+
+
+# =============================================================================
+class DpxLdapExecError(DpxFatalLdapError):
+    """Error class in case, a LDAP operation was not successful."""
+
+    pass
+
+
+# =============================================================================
+class DpxWriteLdapItemError(DpxFatalLdapError):
+    """Error class in case, a LDAP item could not be written."""
+
+    pass
+
+
+# =============================================================================
+class DpxDeleteLdapItemError(DpxFatalLdapError):
+    """Error class in case, a LDAP item could not be deleted."""
+
+    pass
+
+
+# =============================================================================
+class DpxLdapParseError(DpxFatalLdapError):
+    """Error on parsing LDAP stuff."""
+
+    pass
+
+
+# =============================================================================
+class DpxMailAppError(DpxAppError):
+    """Base exception class for all exceptions in all mail sending application classes."""
+
+    pass
+
+
+# =============================================================================
+class DpxPDNSAppError(DpxMailAppError):
+    """Base error class for PowerDNS handling modules."""
+
+    pass
+
+
+# =============================================================================
+class DpxDeployZonesError(DpxPDNSAppError):
+    """Special exception class to use in this module app.dns_deploy_zones."""
+
+    pass
+
+# =============================================================================
+class CheckLdapDnAttributesError(DpxLdapError):
+    """Special exception class for exceptions in module app.check_ldap_dn_attributes."""
+
+    pass
+
+
 # =============================================================================
 
 if __name__ == '__main__':