Adding FutureWarning (#232)

Author: henryiii

boost_histogram/__init__.py

@@ -48,5 +48,5 @@ class histogram(Histogram):
     def __init__(self, *args, **kwargs):
         import warnings
 
-        warnings.warn("Use Histogram instead of histogram")
+        warnings.warn("Use Histogram instead of histogram", FutureWarning)
         super(histogram, self).__init__(*args, **kwargs)

boost_histogram/_internal/axis.py

@@ -598,7 +598,7 @@ def Category(categories, **kwargs):
     Deprecated: Use IntCategory or StrCategory instead.
     This shortcut may return eventually.
     """
-    warnings.warn("Use IntCategory or StrCategory instead of Category")
+    warnings.warn("Use IntCategory or StrCategory instead of Category", FutureWarning)
 
     if len(categories) < 1:
         raise TypeError(

boost_histogram/_internal/hist.py

@@ -295,14 +295,14 @@ def axis(self, i):
         """
         Deprecated: Use axes[] instead.
         """
-        warnings.warn("Use axes[] instead of axis()")
+        warnings.warn("Use axes[] instead of axis()", FutureWarning)
         return self._axis(i)
 
     def at(self, *args):
         """
         Deprecated: Use [] instead.
         """
-        warnings.warn("Use [] indexing instead.")
+        warnings.warn("Use [] indexing instead.", FutureWarning)
         return self._hist.at(*args)
 
     def to_numpy(self, flow=False):

boost_histogram/axis/__init__.py

@@ -25,7 +25,7 @@
 @_register()
 class regular(Regular):
     def __init__(self, *args, **kwargs):
-        _warnings.warn("Use Regular instead")
+        _warnings.warn("Use Regular instead", FutureWarning)
         return super(regular, self).__init__(*args, **kwargs)
 
 
@@ -34,7 +34,7 @@ class variable(Variable):
     _CLASSES = set()
 
     def __init__(self, *args, **kwargs):
-        _warnings.warn("Use Variable instead")
+        _warnings.warn("Use Variable instead", FutureWarning)
         return super(variable, self).__init__(*args, **kwargs)
 
 
@@ -43,30 +43,32 @@ class integer(Integer):
     _CLASSES = set()
 
     def __init__(self, *args, **kwargs):
-        _warnings.warn("Use Integer instead")
+        _warnings.warn("Use Integer instead", FutureWarning)
         return super(integer, self).__init__(*args, **kwargs)
 
 
 def category(*args, **kwargs):
-    _warnings.warn("Use IntCategory or StrCategory instead")
+    _warnings.warn("Use IntCategory or StrCategory instead", FutureWarning)
     return Category(*args, **kwargs)
 
 
 def regular_log(*args, **kwargs):
-    _warnings.warn("Use transform=axis.transform.Log() instead")
+    _warnings.warn("Use transform=axis.transform.Log() instead", FutureWarning)
     return Regular(*args, transform=Transform.Log, **kwargs)
 
 
 def regular_sqrt(*args, **kwargs):
-    _warnings.warn("Use transform=axis.transform.Sqrt() instead")
+    _warnings.warn("Use transform=axis.transform.Sqrt() instead", FutureWarning)
     return Regular(*args, transform=transform.Sqrt, **kwargs)
 
 
 def regular_pow(bins, start, stop, power, **kwargs):
-    _warnings.warn("Use transform=axis.transform.Pow({0}) instead".format(power))
+    _warnings.warn(
+        "Use transform=axis.transform.Pow({0}) instead".format(power), FutureWarning
+    )
     return Regular(bins, start, stop, transform=transform.Pow(power), **kwargs)
 
 
 def circular(*args, **kwargs):
-    _warnings.warn("Use circular=True instead")
+    _warnings.warn("Use circular=True instead", FutureWarning)
     return Regular(*args, circular=True, **kwargs)