Replace is_numlike by isinstance(..., numbers.Number).

anntzer · anntzer · commit 1f923d40d67d · 2018-02-15T03:14:59.000+01:00
Since we bumped the min numpy version to 1.10, numpy scalars are now
also instances of numbers.Number.
diff --git a/doc/api/next_api_changes/2018-02-15-AL-deprecations.rst b/doc/api/next_api_changes/2018-02-15-AL-deprecations.rst
@@ -0,0 +1,4 @@
+Deprecations
+````````````
+``cbook.is_numlike`` is deprecated.  Use ``isinstance(..., numbers.Number)``
+instead.
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -8,6 +8,7 @@
 import itertools
 import logging
 import math
+from numbers import Number
 import warnings
 
 import numpy as np
@@ -6526,7 +6527,7 @@ def hist(self, x, bins=None, range=None, density=None, weights=None,
                 m[:] = (m / db) / tops[-1].sum()
         if cumulative:
             slc = slice(None)
-            if cbook.is_numlike(cumulative) and cumulative < 0:
+            if isinstance(cumulative, Number) and cumulative < 0:
                 slc = slice(None, None, -1)
 
             if density:
diff --git a/lib/matplotlib/cbook/__init__.py b/lib/matplotlib/cbook/__init__.py
@@ -581,6 +581,7 @@ def is_scalar(obj):
     return not isinstance(obj, six.string_types) and not iterable(obj)
 
 
+@deprecated('3.0', 'isinstance(..., numbers.Number)')
 def is_numlike(obj):
     """return true if *obj* looks like a number"""
     return isinstance(obj, (numbers.Number, np.number))
diff --git a/lib/matplotlib/collections.py b/lib/matplotlib/collections.py
@@ -15,6 +15,8 @@
 
 import six
 from six.moves import zip
+
+from numbers import Number
 try:
     from math import gcd
 except ImportError:
@@ -370,7 +372,7 @@ def contains(self, mouseevent):
 
         pickradius = (
             float(self._picker)
-            if cbook.is_numlike(self._picker) and
+            if isinstance(self._picker, Number) and
                self._picker is not True  # the bool, not just nonzero or 1
             else self._pickradius)
 
diff --git a/lib/matplotlib/lines.py b/lib/matplotlib/lines.py
@@ -9,14 +9,15 @@
 
 import six
 
+from numbers import Number
 import warnings
 
 import numpy as np
 
 from . import artist, cbook, colors as mcolors, docstring, rcParams
 from .artist import Artist, allow_rasterization
 from .cbook import (
-    _to_unmasked_float_array, iterable, is_numlike, ls_mapper, ls_mapper_r,
+    _to_unmasked_float_array, iterable, ls_mapper, ls_mapper_r,
     STEP_LOOKUP_MAP)
 from .markers import MarkerStyle
 from .path import Path
@@ -421,7 +422,7 @@ def __init__(self, xdata, ydata,
         self.update(kwargs)
         self.pickradius = pickradius
         self.ind_offset = 0
-        if is_numlike(self._picker):
+        if isinstance(self._picker, Number):
             self.pickradius = self._picker
 
         self._xorig = np.asarray([])
@@ -456,7 +457,7 @@ def contains(self, mouseevent):
         if callable(self._contains):
             return self._contains(self, mouseevent)
 
-        if not is_numlike(self.pickradius):
+        if not isinstance(self.pickradius, Number):
             raise ValueError("pick radius should be a distance")
 
         # Make sure we have data to plot
diff --git a/lib/matplotlib/markers.py b/lib/matplotlib/markers.py
@@ -90,11 +90,11 @@
 from six.moves import xrange
 
 from collections import Sized
+from numbers import Number
 
 import numpy as np
 
-from . import rcParams
-from .cbook import is_math_text, is_numlike
+from . import cbook, rcParams
 from .path import Path
 from .transforms import IdentityTransform, Affine2D
 
@@ -259,7 +259,8 @@ def set_marker(self, marker):
               marker in self.markers):
             self._marker_function = getattr(
                 self, '_set_' + self.markers[marker])
-        elif isinstance(marker, six.string_types) and is_math_text(marker):
+        elif (isinstance(marker, six.string_types)
+              and cbook.is_math_text(marker)):
             self._marker_function = self._set_mathtext_path
         elif isinstance(marker, Path):
             self._marker_function = self._set_path_marker
@@ -309,7 +310,7 @@ def _set_vertices(self):
 
     def _set_tuple_marker(self):
         marker = self._marker
-        if is_numlike(marker[0]):
+        if isinstance(marker[0], Number):
             if len(marker) == 2:
                 numsides, rotation = marker[0], 0.0
             elif len(marker) == 3:
diff --git a/lib/matplotlib/patches.py b/lib/matplotlib/patches.py
@@ -7,6 +7,7 @@
 from six.moves import map, zip
 
 import math
+from numbers import Number
 import warnings
 
 import numpy as np
@@ -120,7 +121,7 @@ def get_verts(self):
     def _process_radius(self, radius):
         if radius is not None:
             return radius
-        if cbook.is_numlike(self._picker):
+        if isinstance(self._picker, Number):
             _radius = self._picker
         else:
             if self.get_edgecolor()[3] == 0:
diff --git a/lib/matplotlib/pyplot.py b/lib/matplotlib/pyplot.py
@@ -22,6 +22,7 @@
 
 import six
 
+from numbers import Number
 import sys
 import time
 import warnings
@@ -31,9 +32,8 @@
 import matplotlib.colorbar
 from matplotlib import style
 from matplotlib import _pylab_helpers, interactive
-from matplotlib.cbook import dedent, silent_list, is_numlike
-from matplotlib.cbook import _string_to_bool
-from matplotlib.cbook import deprecated, warn_deprecated
+from matplotlib.cbook import (
+    dedent, deprecated, silent_list, warn_deprecated, _string_to_bool)
 from matplotlib import docstring
 from matplotlib.backend_bases import FigureCanvasBase
 from matplotlib.figure import Figure, figaspect
@@ -2421,7 +2421,7 @@ def getname_val(identifier):
         'return the name and column data for identifier'
         if isinstance(identifier, six.string_types):
             return identifier, r[identifier]
-        elif is_numlike(identifier):
+        elif isinstance(identifier, Number):
             name = r.dtype.names[int(identifier)]
             return name, r[name]
         else:
diff --git a/lib/matplotlib/units.py b/lib/matplotlib/units.py
@@ -46,9 +46,13 @@ def default_units(x, axis):
 
 
 import six
-from matplotlib.cbook import iterable, is_numlike, safe_first_element
+
+from numbers import Number
+
 import numpy as np
 
+from matplotlib.cbook import iterable, safe_first_element
+
 
 class AxisInfo(object):
     """
@@ -125,9 +129,9 @@ def is_numlike(x):
         """
         if iterable(x):
             for thisx in x:
-                return is_numlike(thisx)
+                return isinstance(thisx, Number)
         else:
-            return is_numlike(x)
+            return isinstance(x, Number)
 
 
 class Registry(dict):
diff --git a/lib/mpl_toolkits/axes_grid1/axes_grid.py b/lib/mpl_toolkits/axes_grid1/axes_grid.py
@@ -3,8 +3,9 @@
 
 import six
 
+from numbers import Number
+
 import matplotlib.axes as maxes
-import matplotlib.cbook as cbook
 import matplotlib.ticker as ticker
 from matplotlib.gridspec import SubplotSpec
 
@@ -208,7 +209,7 @@ def __init__(self, fig,
 
         h = []
         v = []
-        if isinstance(rect, six.string_types) or cbook.is_numlike(rect):
+        if isinstance(rect, (str, Number)):
             self._divider = SubplotDivider(fig, rect, horizontal=h, vertical=v,
                                            aspect=False)
         elif isinstance(rect, SubplotSpec):
@@ -529,7 +530,7 @@ def __init__(self, fig,
 
         h = []
         v = []
-        if isinstance(rect, six.string_types) or cbook.is_numlike(rect):
+        if isinstance(rect, (str, Number)):
             self._divider = SubplotDivider(fig, rect, horizontal=h, vertical=v,
                                            aspect=aspect)
         elif isinstance(rect, SubplotSpec):
diff --git a/lib/mpl_toolkits/axes_grid1/axes_size.py b/lib/mpl_toolkits/axes_grid1/axes_size.py
@@ -15,9 +15,11 @@ class (or others) to determine the size of each axes. The unit
 
 import six
 
-import matplotlib.cbook as cbook
+from numbers import Number
+
 from matplotlib.axes import Axes
 
+
 class _Base(object):
     "Base class"
 
@@ -44,6 +46,7 @@ def get_size(self, renderer):
         b_rel_size, b_abs_size = self._b.get_size(renderer)
         return a_rel_size + b_rel_size, a_abs_size + b_abs_size
 
+
 class AddList(_Base):
     def __init__(self, add_list):
         self._list = add_list
@@ -75,7 +78,8 @@ def get_size(self, renderer):
         abs_size = 0.
         return rel_size, abs_size
 
-Scalable=Scaled
+Scalable = Scaled
+
 
 def _get_axes_aspect(ax):
     aspect = ax.get_aspect()
@@ -89,6 +93,7 @@ def _get_axes_aspect(ax):
 
     return aspect
 
+
 class AxesX(_Base):
     """
     Scaled size whose relative part corresponds to the data width
@@ -113,6 +118,7 @@ def get_size(self, renderer):
         abs_size = 0.
         return rel_size, abs_size
 
+
 class AxesY(_Base):
     """
     Scaled size whose relative part corresponds to the data height
@@ -194,7 +200,6 @@ def get_size(self, renderer):
         return rel_size, abs_size
 
 
-
 class MaxHeight(_Base):
     """
     Size whose absolute part is the largest height of
@@ -239,6 +244,7 @@ def get_size(self, renderer):
             abs_size = a*self._fraction
             return rel_size, abs_size
 
+
 class Padded(_Base):
     """
     Return a instance where the absolute part of *size* is
@@ -254,6 +260,7 @@ def get_size(self, renderer):
         abs_size = a + self._pad
         return rel_size, abs_size
 
+
 def from_any(size, fraction_ref=None):
     """
     Creates Fixed unit when the first argument is a float, or a
@@ -264,7 +271,7 @@ def from_any(size, fraction_ref=None):
       >>> Size.from_any("50%", a) # => Size.Fraction(0.5, a)
 
     """
-    if cbook.is_numlike(size):
+    if isinstance(size, Number):
         return Fixed(size)
     elif isinstance(size, six.string_types):
         if size[-1] == "%":
@@ -286,6 +293,7 @@ def get_size(self, renderer):
 
         return rel_size, abs_size
 
+
 class GetExtentHelper(object):
     def _get_left(tight_bbox, axes_bbox):
         return axes_bbox.xmin - tight_bbox.xmin
