Create a custom exception type for this library

2 files changed, 48 insertions, 2 deletions

diff --git a/adblock/__init__.py b/adblock/__init__.py
index 0cc1876..85d3614 100644
--- a/adblock/__init__.py
+++ b/adblock/__init__.py
@@ -1,4 +1,29 @@
-from adblock.adblock import __version__, Engine, FilterSet, BlockerResult, UrlSpecificResources
+from adblock.adblock import (
+    __version__,
+    Engine,
+    FilterSet,
+    BlockerResult,
+    UrlSpecificResources,
+    AdblockException,
+    BlockerException,
+    SerializationError,
+    DeserializationError,
+    OptimizedFilterExistence,
+    BadFilterAddUnsupported,
+    FilterExists,
+)
 
 
-__all__ = ("Engine", "FilterSet", "BlockerResult", "UrlSpecificResources")
+__all__ = (
+    "Engine",
+    "FilterSet",
+    "BlockerResult",
+    "UrlSpecificResources",
+    "AdblockException",
+    "BlockerException",
+    "SerializationError",
+    "DeserializationError",
+    "OptimizedFilterExistence",
+    "BadFilterAddUnsupported",
+    "FilterExists",
+)
diff --git a/adblock/adblock.pyi b/adblock/adblock.pyi
index d977629..0515674 100644
--- a/adblock/adblock.pyi
+++ b/adblock/adblock.pyi
@@ -1,5 +1,26 @@
 from typing import Optional, Dict, List, Set
 
+class AdblockException(Exception):
+    pass
+
+class BlockerException(AdblockException):
+    pass
+
+class SerializationError(BlockerException):
+    pass
+
+class DeserializationError(BlockerException):
+    pass
+
+class OptimizedFilterExistence(BlockerException):
+    pass
+
+class BadFilterAddUnsupported(BlockerException):
+    pass
+
+class FilterExists(BlockerException):
+    pass
+
 class BlockerResult:
     matched: bool
     explicit_cancel: bool