Added missing constructor default values. Added missing __str__ methods.

fkloosterman · fkloosterman · commit a31be021f6bd · 2018-01-13T14:32:29.000+01:00
diff --git a/lib/matplotlib/scale.py b/lib/matplotlib/scale.py
@@ -93,7 +93,7 @@ class LogTransformBase(Transform):
     is_separable = True
     has_inverse = True
 
-    def __init__(self, nonpos):
+    def __init__(self, nonpos='mask'):
         Transform.__init__(self)
         self._clip = {"clip": True, "mask": False}[nonpos]
 
@@ -114,6 +114,8 @@ def transform_non_affine(self, a):
             out[a <= 0] = -1000
         return out
 
+    def __str__(self):
+        return "{}({!r})".format(type(self).__name__, "clip" if self._clip else "mask")
 
 class InvertedLogTransformBase(Transform):
     input_dims = 1
@@ -124,6 +126,9 @@ class InvertedLogTransformBase(Transform):
     def transform_non_affine(self, a):
         return ma.power(self.base, a)
 
+    def __str__(self):
+        return "{}()".format(type(self).__name__)
+
 
 class Log10Transform(LogTransformBase):
     base = 10.0
@@ -168,7 +173,7 @@ def inverted(self):
 
 
 class LogTransform(LogTransformBase):
-    def __init__(self, base, nonpos):
+    def __init__(self, base, nonpos='mask'):
         LogTransformBase.__init__(self, nonpos)
         self.base = base
 
@@ -448,7 +453,7 @@ class LogitTransform(Transform):
     is_separable = True
     has_inverse = True
 
-    def __init__(self, nonpos):
+    def __init__(self, nonpos='mask'):
         Transform.__init__(self)
         self._nonpos = nonpos
         self._clip = {"clip": True, "mask": False}[nonpos]
@@ -465,6 +470,9 @@ def transform_non_affine(self, a):
     def inverted(self):
         return LogisticTransform(self._nonpos)
 
+    def __str__(self):
+        return "{}({!r})".format(type(self).__name__, "clip" if self._clip else "mask")
+
 
 class LogisticTransform(Transform):
     input_dims = 1
@@ -483,6 +491,9 @@ def transform_non_affine(self, a):
     def inverted(self):
         return LogitTransform(self._nonpos)
 
+    def __str__(self):
+        return "{}({!r})".format(type(self).__name__, self._nonpos)
+
 
 class LogitScale(ScaleBase):
     """
