MNT: migrate away from packaging.version.parse_version as its fallbac…

…k mechanism is going away in a future version

yt/funcs.py

@@ -25,7 +25,7 @@
 import matplotlib
 import numpy as np
 from more_itertools import always_iterable, collapse, first
-from packaging.version import parse as parse_version
+from packaging.version import Version
 from tqdm import tqdm
 
 from yt.units import YTArray, YTQuantity
@@ -1039,7 +1039,7 @@ def matplotlib_style_context(style_name=None, after_reset=False):
         import matplotlib
 
         style_name = {"mathtext.fontset": "cm"}
-        if parse_version(matplotlib.__version__) >= parse_version("3.3.0"):
+        if Version(matplotlib.__version__) >= Version("3.3.0"):
             style_name["mathtext.fallback"] = "cm"
         else:
             style_name["mathtext.fallback_to_cm"] = True

yt/utilities/on_demand_imports.py

@@ -1,6 +1,6 @@
 import sys
 
-from packaging.version import parse as parse_version
+from packaging.version import Version
 
 
 class NotAModule:
@@ -361,7 +361,7 @@ def __init__(self):
         try:
             import h5py
 
-            if parse_version(h5py.__version__) < parse_version("2.4.0"):
+            if Version(h5py.__version__) < Version("2.4.0"):
                 self._err = RuntimeError(
                     "yt requires h5py version 2.4.0 or newer, "
                     "please update h5py with e.g. `python -m pip install -U h5py` "

yt/visualization/base_plot_types.py

@@ -2,7 +2,7 @@
 
 import matplotlib
 import numpy as np
-from packaging.version import parse as parse_version
+from packaging.version import Version
 
 from yt.funcs import (
     get_brewer_cmap,
@@ -132,9 +132,9 @@ def save(self, name, mpl_kwargs=None, canvas=None):
 
         if mpl_kwargs is None:
             mpl_kwargs = {}
-        if "papertype" not in mpl_kwargs and parse_version(
-            matplotlib.__version__
-        ) < parse_version("3.3.0"):
+        if "papertype" not in mpl_kwargs and Version(matplotlib.__version__) < Version(
+            "3.3.0"
+        ):
             mpl_kwargs["papertype"] = "auto"
 
         name = validate_image_name(name)
@@ -218,8 +218,8 @@ def _init_image(self, data, cbnorm, cblinthresh, cmap, extent, aspect):
                 cblinthresh = np.nanmin(np.absolute(data)[data != 0])
 
             cbnorm_kwargs.update(dict(linthresh=cblinthresh, vmin=vmin, vmax=vmax))
-            MPL_VERSION = parse_version(matplotlib.__version__)
-            if MPL_VERSION >= parse_version("3.2.0"):
+            MPL_VERSION = Version(matplotlib.__version__)
+            if MPL_VERSION >= Version("3.2.0"):
                 # note that this creates an inconsistency between mpl versions
                 # since the default value previous to mpl 3.4.0 is np.e
                 # but it is only exposed since 3.2.0

yt/visualization/color_maps.py

@@ -1,10 +1,10 @@
 import numpy as np
 from matplotlib import __version__ as mpl_ver, cm as mcm, colors as cc
-from packaging.version import parse as parse_version
+from packaging.version import Version
 
 from . import _colormap_data as _cm
 
-MPL_VERSION = parse_version(mpl_ver)
+MPL_VERSION = Version(mpl_ver)
 del mpl_ver
 
 
@@ -260,7 +260,7 @@ def show_colormaps(subset="all", filename=None):
                 "to be 'all', 'yt_native', or a list of "
                 "valid colormap names."
             ) from e
-    if parse_version("2.0.0") <= MPL_VERSION < parse_version("2.2.0"):
+    if Version("2.0.0") <= MPL_VERSION < Version("2.2.0"):
         # the reason we do this filtering is to avoid spurious warnings in CI when
         # testing against old versions of matplotlib (currently not older than 2.0.x)
         # and we can't easily filter warnings at the level of the relevant test itself

yt/visualization/plot_window.py

@@ -7,7 +7,7 @@
 import numpy as np
 from more_itertools import always_iterable
 from mpl_toolkits.axes_grid1 import ImageGrid
-from packaging.version import parse as parse_version
+from packaging.version import Version
 from unyt.exceptions import UnitConversionError
 
 from yt._maintenance.deprecation import issue_deprecation_warning
@@ -63,7 +63,7 @@ def zip_equal(*args):
         return zip(*args, strict=True)
 
 
-MPL_VERSION = parse_version(matplotlib.__version__)
+MPL_VERSION = Version(matplotlib.__version__)
 
 # Some magic for dealing with pyparsing being included or not
 # included in matplotlib (not in gentoo, yes in everything else)
@@ -1202,7 +1202,7 @@ def _setup_plots(self):
                     self.plots[f].cax.yaxis.set_ticks(mticks, minor=True)
 
                 elif self._field_transform[f] == log_transform:
-                    if MPL_VERSION >= parse_version("3.0.0"):
+                    if MPL_VERSION >= Version("3.0.0"):
                         self.plots[f].cax.minorticks_on()
                         self.plots[f].cax.xaxis.set_visible(False)
                     else:

yt/visualization/profile_plotter.py

@@ -7,7 +7,7 @@
 import matplotlib
 import numpy as np
 from more_itertools.more import always_iterable, unzip
-from packaging.version import parse as parse_version
+from packaging.version import Version
 
 from yt.data_objects.profiles import create_profile, sanitize_field_tuple_keys
 from yt.data_objects.static_output import Dataset
@@ -28,7 +28,7 @@
     validate_plot,
 )
 
-MPL_VERSION = parse_version(matplotlib.__version__)
+MPL_VERSION = Version(matplotlib.__version__)
 
 
 def invalidate_profile(f):
@@ -1174,7 +1174,7 @@ def _setup_plots(self):
             if self._cbar_minorticks[f]:
                 if self._field_transform[f] == linear_transform:
                     self.plots[f].cax.minorticks_on()
-                elif MPL_VERSION < parse_version("3.0.0"):
+                elif MPL_VERSION < Version("3.0.0"):
                     # before matplotlib 3 log-scaled colorbars internally used
                     # a linear scale going from zero to one and did not draw
                     # minor ticks. Since we want minor ticks, calculate