Add parent class MasqueError and use it for traits and all other exceptions

masque/error.py

@@ -1,13 +1,15 @@
-class PatternError(Exception):
+class MasqueError(Exception):
     """
-    Simple Exception for Pattern objects and their contents
+    Parent exception for all Masque-related Exceptions
     """
-    def __init__(self, value):
-        self.value = value
+    pass
 
-    def __str__(self):
-        return repr(self.value)
 
+class PatternError(MasqueError):
+    """
+    Exception for Pattern objects and their contents
+    """
+    pass
 
 class PatternLockedError(PatternError):
     """
@@ -17,7 +19,7 @@ class PatternLockedError(PatternError):
         PatternError.__init__(self, 'Tried to modify a locked Pattern, subpattern, or shape')
 
 
-class LibraryError(Exception):
+class LibraryError(MasqueError):
     """
     Exception raised by Library classes
     """

masque/traits/annotatable.py

@@ -3,7 +3,7 @@ from typing import TypeVar
 from abc import ABCMeta, abstractmethod
 
 from ..utils import annotations_t
-from ..error import PatternError
+from ..error import MasqueError
 
 
 T = TypeVar('T', bound='Annotatable')
@@ -51,5 +51,5 @@ class AnnotatableImpl(Annotatable, metaclass=ABCMeta):
     @annotations.setter
     def annotations(self, annotations: annotations_t):
         if not isinstance(annotations, dict):
-            raise PatternError(f'annotations expected dict, got {type(annotations)}')
+            raise MasqueError(f'annotations expected dict, got {type(annotations)}')
         self._annotations = annotations

masque/traits/doseable.py

@@ -1,7 +1,7 @@
 from typing import TypeVar
 from abc import ABCMeta, abstractmethod
 
-from ..error import PatternError
+from ..error import MasqueError
 
 
 T = TypeVar('T', bound='Doseable')
@@ -65,7 +65,7 @@ class DoseableImpl(Doseable, metaclass=ABCMeta):
     @dose.setter
     def dose(self, val: float):
         if not val >= 0:
-            raise PatternError('Dose must be non-negative')
+            raise MasqueError('Dose must be non-negative')
         self._dose = val
 
     '''

masque/traits/mirrorable.py

@@ -50,7 +50,7 @@ class Mirrorable(metaclass=ABCMeta):
 #    @mirrored.setter
 #    def mirrored(self, val: Sequence[bool]):
 #        if is_scalar(val):
-#            raise PatternError('Mirrored must be a 2-element list of booleans')
+#            raise MasqueError('Mirrored must be a 2-element list of booleans')
 #        self._mirrored = numpy.array(val, dtype=bool, copy=True)
 #
 #    '''

masque/traits/positionable.py

@@ -4,7 +4,7 @@ from typing import TypeVar
 from abc import ABCMeta, abstractmethod
 import numpy        # type: ignore
 
-from ..error import PatternError
+from ..error import MasqueError
 from ..utils import vector2
 
 
@@ -97,7 +97,7 @@ class PositionableImpl(Positionable, metaclass=ABCMeta):
             val = numpy.array(val, dtype=float)
 
         if val.size != 2:
-            raise PatternError('Offset must be convertible to size-2 ndarray')
+            raise MasqueError('Offset must be convertible to size-2 ndarray')
         self._offset = val.flatten()
 
     '''

masque/traits/repeatable.py

@@ -1,7 +1,7 @@
 from typing import TypeVar, Optional, TYPE_CHECKING
 from abc import ABCMeta, abstractmethod
 
-from ..error import PatternError
+from ..error import MasqueError
 
 
 if TYPE_CHECKING:
@@ -71,7 +71,7 @@ class RepeatableImpl(Repeatable, metaclass=ABCMeta):
     def repetition(self, repetition: Optional['Repetition']):
         from ..repetition import Repetition
         if repetition is not None and not isinstance(repetition, Repetition):
-            raise PatternError(f'{repetition} is not a valid Repetition object!')
+            raise MasqueError(f'{repetition} is not a valid Repetition object!')
         self._repetition = repetition
 
     '''

masque/traits/rotatable.py

@@ -5,7 +5,7 @@ import numpy        # type: ignore
 from numpy import pi
 
 #from .positionable import Positionable
-from ..error import PatternError
+from ..error import MasqueError
 from ..utils import is_scalar, rotation_matrix_2d, vector2
 
 T = TypeVar('T', bound='Rotatable')
@@ -57,7 +57,7 @@ class RotatableImpl(Rotatable, metaclass=ABCMeta):
     @rotation.setter
     def rotation(self, val: float):
         if not is_scalar(val):
-            raise PatternError('Rotation must be a scalar')
+            raise MasqueError('Rotation must be a scalar')
         self._rotation = val % (2 * pi)
 
     '''

masque/traits/scalable.py

@@ -1,7 +1,7 @@
 from typing import TypeVar
 from abc import ABCMeta, abstractmethod
 
-from ..error import PatternError
+from ..error import MasqueError
 from ..utils import is_scalar
 
 
@@ -51,9 +51,9 @@ class ScalableImpl(Scalable, metaclass=ABCMeta):
     @scale.setter
     def scale(self, val: float):
         if not is_scalar(val):
-            raise PatternError('Scale must be a scalar')
+            raise MasqueError('Scale must be a scalar')
         if not val > 0:
-            raise PatternError('Scale must be positive')
+            raise MasqueError('Scale must be positive')
         self._scale = val
 
     '''