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[dak/security] Add an exception class and adjust the scripts using ParseMaintError to use the new class



---
 ChangeLog                |   11 ++++++++
 dak/process_unchecked.py |    7 +++--
 dak/queue_report.py      |    3 +-
 daklib/dak_exceptions.py |   63 ++++++++++++++++++++++++++++++++++++++++++++++
 daklib/utils.py          |   18 +------------
 5 files changed, 81 insertions(+), 21 deletions(-)
 mode change 100644 => 100755 dak/process_unchecked.py
 mode change 100644 => 100755 dak/queue_report.py
 create mode 100644 daklib/dak_exceptions.py
 mode change 100644 => 100755 daklib/utils.py

diff --git a/ChangeLog b/ChangeLog
index 9533845..909eb96 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2008-05-05  Joerg Jaspert  <joerg@debian.org>
+
+	* dak/queue_report.py: Use the exception class
+	* dak/process_unchecked.py: dito
+
+	* daklib/dak_exceptions.py: New file, central place for all those
+	own exceptions dak may raise.
+
+	* daklib/utils.py: Use dak_exceptions and delete all those string
+	exception raising stuff, which is depcreated.
+
 2008-05-04  Joerg Jaspert  <joerg@debian.org>
 
 	* daklib/queue.py: Various pychecker cleanups
diff --git a/dak/process_unchecked.py b/dak/process_unchecked.py
old mode 100644
new mode 100755
index fbd7d74..1382b11
--- a/dak/process_unchecked.py
+++ b/dak/process_unchecked.py
@@ -34,6 +34,7 @@ import daklib.database as database
 import daklib.logging as logging
 import daklib.queue as queue
 import daklib.utils as utils
+from daklib.dak_exceptions import *
 
 from types import *
 
@@ -226,7 +227,7 @@ def check_changes():
         (changes["maintainer822"], changes["maintainer2047"],
          changes["maintainername"], changes["maintaineremail"]) = \
          utils.fix_maintainer (changes["maintainer"])
-    except utils.ParseMaintError, msg:
+    except ParseMaintError, msg:
         reject("%s: Maintainer field ('%s') failed to parse: %s" \
                % (filename, changes["maintainer"], msg))
 
@@ -235,7 +236,7 @@ def check_changes():
         (changes["changedby822"], changes["changedby2047"],
          changes["changedbyname"], changes["changedbyemail"]) = \
          utils.fix_maintainer (changes.get("changed-by", ""))
-    except utils.ParseMaintError, msg:
+    except ParseMaintError, msg:
         (changes["changedby822"], changes["changedby2047"],
          changes["changedbyname"], changes["changedbyemail"]) = \
          ("", "", "", "")
@@ -723,7 +724,7 @@ def check_dsc():
     # Validate the Maintainer field
     try:
         utils.fix_maintainer (dsc["maintainer"])
-    except utils.ParseMaintError, msg:
+    except ParseMaintError, msg:
         reject("%s: Maintainer field ('%s') failed to parse: %s" \
                % (dsc_filename, dsc["maintainer"], msg))
 
diff --git a/dak/queue_report.py b/dak/queue_report.py
old mode 100644
new mode 100755
index f1e5287..7f20ce5
--- a/dak/queue_report.py
+++ b/dak/queue_report.py
@@ -38,6 +38,7 @@ import copy, glob, os, stat, sys, time
 import apt_pkg
 import daklib.queue as queue
 import daklib.utils as utils
+from daklib.dak_exceptions import *
 
 Cnf = None
 Upload = None
@@ -322,7 +323,7 @@ def process_changes_files(changes_files, type):
                     (maintainer["maintainer822"], maintainer["maintainer2047"],
                     maintainer["maintainername"], maintainer["maintaineremail"]) = \
                     utils.fix_maintainer (j["maintainer"])
-                except utils.ParseMaintError, msg:
+                except ParseMaintError, msg:
                     print "Problems while parsing maintainer address\n"
                     maintainer["maintainername"] = "Unknown"
                     maintainer["maintaineremail"] = "Unknown"
diff --git a/daklib/dak_exceptions.py b/daklib/dak_exceptions.py
new file mode 100644
index 0000000..e9ab2c7
--- /dev/null
+++ b/daklib/dak_exceptions.py
@@ -0,0 +1,63 @@
+# Exception classes used in dak
+
+# Copyright (C) 2008  Mark Hymers <mhy@debian.org>
+
+################################################################################
+
+# 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; either version 2 of the License, or
+# (at your option) any later version.
+
+# 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 DakError(Exception):
+    """Base class for all simple errors in this module.
+
+    Attributes:
+
+       message -- explanation of the error
+    """
+
+    def __init__(self, message):
+        self.args = message
+        self.message = message
+
+__all__ = ['DakError']
+
+dakerrors = {
+    "ParseMaintError":     """Exception raised for errors in parsing a maintainer field.""",
+    "ParseChangesError":   """Exception raised for errors in parsing a changes file.""",
+    "InvalidDscError":     """Exception raised for invalid dsc files.""",
+    "UnknownFormatError":  """Exception raised for unknown Format: lines in changes files.""",
+    "NoFilesFieldError":   """Exception raised for missing files field in dsc/changes.""",
+    "CantOpenError":       """Exception raised when files can't be opened.""",
+    "CantOverwriteError":  """Exception raised when files cant be overwritten.""",
+    "FileExistsError":     """Exception raised when destination file exists.""",
+    "SendmailFailedError": """Exception raised when Sendmail invocation failed.""",
+    "NoFreeFilenameError": """Exception raised when no alternate filename was found."""
+}
+
+
+def construct_dak_exception(name, description):
+    class Er(DakError):
+        __doc__ = description
+    setattr(Er, "__name__", name)
+    return Er
+
+for e in dakerrors.keys():
+    globals()[e] = construct_dak_exception(e, dakerrors[e])
+    __all__ += [e]
+
+
+
+################################################################################
diff --git a/daklib/utils.py b/daklib/utils.py
old mode 100644
new mode 100755
index a094788..d05719f
--- a/daklib/utils.py
+++ b/daklib/utils.py
@@ -25,6 +25,7 @@ import codecs, commands, email.Header, os, pwd, re, select, socket, shutil, \
        sys, tempfile, traceback
 import apt_pkg
 import database
+from dak_exceptions import *
 
 ################################################################################
 
@@ -67,23 +68,6 @@ key_uid_email_cache = {}
 
 ################################################################################
 
-class Error(Exception):
-    """Base class for exceptions in this module."""
-    pass
-
-class ParseMaintError(Error):
-    """Exception raised for errors in parsing a maintainer field.
-
-    Attributes:
-       message -- explanation of the error
-    """
-
-    def __init__(self, message):
-        self.args = message,
-        self.message = message
-
-################################################################################
-
 def open_file(filename, mode='r'):
     try:
         f = open(filename, mode)
-- 
1.5.6.5



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