python: move the exception classes into error.py

[notmuch] / bindings / python / notmuch / globals.py

diff --git a/bindings/python/notmuch/globals.py b/bindings/python/notmuch/globals.py
index 8b0d8d0b41a7c205980f425aaafca6cbf81742aa..442f3e3521077469b378d1ed70a4d9f00a640194 100644 (file)
--- a/bindings/python/notmuch/globals.py
+++ b/bindings/python/notmuch/globals.py
@@ -16,65 +16,96 @@ along with notmuch.  If not, see <http://www.gnu.org/licenses/>.
 
 Copyright 2010 Sebastian Spaeth <Sebastian@SSpaeth.de>'
 """
-
-from ctypes import CDLL, c_char_p, c_int
-from ctypes.util import find_library
+import sys
+from ctypes import CDLL, Structure, POINTER
 
 #-----------------------------------------------------------------------------
 #package-global instance of the notmuch library
 try:
-    nmlib = CDLL("libnotmuch.so.1")
+    nmlib = CDLL("libnotmuch.so.2")
 except:
     raise ImportError("Could not find shared 'notmuch' library.")
 
-#-----------------------------------------------------------------------------
+
+if sys.version_info[0] == 2:
+    class Python3StringMixIn(object):
+        def __str__(self):
+            return unicode(self).encode('utf-8')
+
+
+    def _str(value):
+        """Ensure a nicely utf-8 encoded string to pass to libnotmuch
+
+        C++ code expects strings to be well formatted and
+        unicode strings to have no null bytes."""
+        if not isinstance(value, basestring):
+            raise TypeError("Expected str or unicode, got %s" % type(value))
+        if isinstance(value, unicode):
+            return value.encode('UTF-8')
+        return value
+else:
+    class Python3StringMixIn(object):
+        def __str__(self):
+            return self.__unicode__()
+
+
+    def _str(value):
+        """Ensure a nicely utf-8 encoded string to pass to libnotmuch
+
+        C++ code expects strings to be well formatted and
+        unicode strings to have no null bytes."""
+        if not isinstance(value, str):
+            raise TypeError("Expected str, got %s" % type(value))
+        return value.encode('UTF-8')
+
+
 class Enum(object):
     """Provides ENUMS as "code=Enum(['a','b','c'])" where code.a=0 etc..."""
     def __init__(self, names):
         for number, name in enumerate(names):
             setattr(self, name, number)
 
-#-----------------------------------------------------------------------------
-class Status(Enum):
-    """Enum with a string representation of a notmuch_status_t value."""
-    __name__="foo"
-    _status2str = nmlib.notmuch_status_to_string
-    _status2str.restype = c_char_p
-    _status2str.argtypes = [c_int]
-
-    def __init__(self, statuslist):
-        """It is initialized with a list of strings that are available as
-        Status().string1 - Status().stringn attributes.
-        """
-        super(Status, self).__init__(statuslist)
-
-    @classmethod
-    def status2str(self, status):
-        """Get a string representation of a notmuch_status_t value."""   
-        # define strings for custom error messages
-        if status == STATUS.NOT_INITIALIZED:
-          return "Operation on uninitialized object impossible."
-        return str(Status._status2str(status))
-
-STATUS = Status(['SUCCESS',
-  'OUT_OF_MEMORY',
-  'READ_ONLY_DATABASE',
-  'XAPIAN_EXCEPTION',
-  'FILE_ERROR',
-  'FILE_NOT_EMAIL',
-  'DUPLICATE_MESSAGE_ID',
-  'NULL_POINTER',
-  'TAG_TOO_LONG',
-  'UNBALANCED_FREEZE_THAW',
-  'NOT_INITIALIZED'])
-
-
-class NotmuchError(Exception):
-    def __init__(self, status=None, message=None):
-        """Is initiated with a (notmuch.STATUS[,message=None])"""
-        super(NotmuchError, self).__init__(message, status)
-
-    def __str__(self):
-        if self.args[0] is not None: return self.args[0]
-        else: return STATUS.status2str(self.args[1])
 
+class NotmuchDatabaseS(Structure):
+    pass
+NotmuchDatabaseP = POINTER(NotmuchDatabaseS)
+
+
+class NotmuchQueryS(Structure):
+    pass
+NotmuchQueryP = POINTER(NotmuchQueryS)
+
+
+class NotmuchThreadsS(Structure):
+    pass
+NotmuchThreadsP = POINTER(NotmuchThreadsS)
+
+
+class NotmuchThreadS(Structure):
+    pass
+NotmuchThreadP = POINTER(NotmuchThreadS)
+
+
+class NotmuchMessagesS(Structure):
+    pass
+NotmuchMessagesP = POINTER(NotmuchMessagesS)
+
+
+class NotmuchMessageS(Structure):
+    pass
+NotmuchMessageP = POINTER(NotmuchMessageS)
+
+
+class NotmuchTagsS(Structure):
+    pass
+NotmuchTagsP = POINTER(NotmuchTagsS)
+
+
+class NotmuchDirectoryS(Structure):
+    pass
+NotmuchDirectoryP = POINTER(NotmuchDirectoryS)
+
+
+class NotmuchFilenamesS(Structure):
+    pass
+NotmuchFilenamesP = POINTER(NotmuchFilenamesS)