From e4dafa2d3ffdc2042bffd8f7c006c797b937db21 Mon Sep 17 00:00:00 2001
From: ksunden <sunden@wisc.edu>
Date: Mon, 19 Nov 2018 10:22:06 -0600
Subject: [PATCH 1/6] BUG: Prevent overwriting of tick visiblity

---
 lib/matplotlib/axis.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
index 4f174b0da45e..51f4174b1a06 100644
--- a/lib/matplotlib/axis.py
+++ b/lib/matplotlib/axis.py
@@ -826,16 +826,21 @@ def set_tick_params(self, which='major', reset=False, **kw):
         For documentation of keyword arguments, see
         :meth:`matplotlib.axes.Axes.tick_params`.
         """
+        blacklist = ['tick1On', 'tick2On', 'label1On', 'label2On', 'gridOn']
         dicts = []
+        blacklist_dicts = []
         if which == 'major' or which == 'both':
             dicts.append(self._major_tick_kw)
         if which == 'minor' or which == 'both':
             dicts.append(self._minor_tick_kw)
         kwtrans = self._translate_tick_kw(kw)
+
         for d in dicts:
             if reset:
                 d.clear()
+            blacklist_dicts.append({k:d.pop(k) for k in blacklist if k in d.keys()})
             d.update(kwtrans)
+            [blacklist_dicts[-1].pop(k, None) for k in kwtrans.keys()]
 
         if reset:
             self.reset_ticks()
@@ -848,6 +853,9 @@ def set_tick_params(self, which='major', reset=False, **kw):
                     tick._apply_params(**self._minor_tick_kw)
             if 'labelcolor' in kwtrans:
                 self.offsetText.set_color(kwtrans['labelcolor'])
+
+        for d,bd in zip(dicts, blacklist_dicts):
+            d.update(bd)
         self.stale = True
 
     @staticmethod

From ff2759ad3de61c53ce0413502365d220292afeef Mon Sep 17 00:00:00 2001
From: Kyle Sunden <sunden@wisc.edu>
Date: Mon, 19 Nov 2018 11:34:55 -0600
Subject: [PATCH 2/6] TST: add test to prevent regression of tick visibility
 behavior

---
 .../test_axes/retain_tick_visibility.png        | Bin 0 -> 16126 bytes
 lib/matplotlib/tests/test_axes.py               |   6 ++++++
 2 files changed, 6 insertions(+)
 create mode 100644 lib/matplotlib/tests/baseline_images/test_axes/retain_tick_visibility.png

diff --git a/lib/matplotlib/tests/baseline_images/test_axes/retain_tick_visibility.png b/lib/matplotlib/tests/baseline_images/test_axes/retain_tick_visibility.png
new file mode 100644
index 0000000000000000000000000000000000000000..7ac4cb6f6fbda0150a36d258e7d432c6b6dfdc98
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literal 0
HcmV?d00001

diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index f6e3f733b95b..d69a53170863 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -4870,6 +4870,12 @@ def test_set_get_ticklabels():
     ax[1].set_xticklabels(ax[0].get_xticklabels())
     ax[1].set_yticklabels(ax[0].get_yticklabels())
 
+@image_comparison(baseline_images=['retain_tick_visibility'], extensions=['png'])
+def test_retain_tick_visibility():
+    fig, ax = plt.subplots()
+    plt.plot([0, 1, 2], [0, -1, 4])
+    plt.setp(ax.get_yticklabels(), visible=False)
+    ax.tick_params(axis="y", which="both", length=0)
 
 def test_tick_label_update():
     # test issue 9397

From 0a82d820150fe2bf733a8c9549114b9d7ed4db13 Mon Sep 17 00:00:00 2001
From: Kyle Sunden <sunden@wisc.edu>
Date: Mon, 19 Nov 2018 11:55:50 -0600
Subject: [PATCH 3/6] MAINT: flake8 fixes

---
 lib/matplotlib/axis.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
index 51f4174b1a06..f12e8927f88b 100644
--- a/lib/matplotlib/axis.py
+++ b/lib/matplotlib/axis.py
@@ -838,7 +838,9 @@ def set_tick_params(self, which='major', reset=False, **kw):
         for d in dicts:
             if reset:
                 d.clear()
-            blacklist_dicts.append({k:d.pop(k) for k in blacklist if k in d.keys()})
+            blacklist_dicts.append(
+                    {k: d.pop(k) for k in blacklist if k in d.keys()}
+            )
             d.update(kwtrans)
             [blacklist_dicts[-1].pop(k, None) for k in kwtrans.keys()]
 
@@ -854,7 +856,7 @@ def set_tick_params(self, which='major', reset=False, **kw):
             if 'labelcolor' in kwtrans:
                 self.offsetText.set_color(kwtrans['labelcolor'])
 
-        for d,bd in zip(dicts, blacklist_dicts):
+        for d, bd in zip(dicts, blacklist_dicts):
             d.update(bd)
         self.stale = True
 

From 3cc6b00a1b40f4b1d58457c5bcfa52bcd3731291 Mon Sep 17 00:00:00 2001
From: Kyle Sunden <sunden@wisc.edu>
Date: Mon, 19 Nov 2018 14:30:37 -0600
Subject: [PATCH 4/6] MAINT: more flake8/whitespace fixes

---
 lib/matplotlib/axis.py            | 2 +-
 lib/matplotlib/tests/test_axes.py | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
index f12e8927f88b..aca3c5f241b3 100644
--- a/lib/matplotlib/axis.py
+++ b/lib/matplotlib/axis.py
@@ -839,7 +839,7 @@ def set_tick_params(self, which='major', reset=False, **kw):
             if reset:
                 d.clear()
             blacklist_dicts.append(
-                    {k: d.pop(k) for k in blacklist if k in d.keys()}
+                {k: d.pop(k) for k in blacklist if k in d.keys()}
             )
             d.update(kwtrans)
             [blacklist_dicts[-1].pop(k, None) for k in kwtrans.keys()]
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index d69a53170863..17213d317901 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -4870,13 +4870,18 @@ def test_set_get_ticklabels():
     ax[1].set_xticklabels(ax[0].get_xticklabels())
     ax[1].set_yticklabels(ax[0].get_yticklabels())
 
-@image_comparison(baseline_images=['retain_tick_visibility'], extensions=['png'])
+
+@image_comparison(
+    baseline_images=['retain_tick_visibility'],
+    extensions=['png'],
+)
 def test_retain_tick_visibility():
     fig, ax = plt.subplots()
     plt.plot([0, 1, 2], [0, -1, 4])
     plt.setp(ax.get_yticklabels(), visible=False)
     ax.tick_params(axis="y", which="both", length=0)
 
+
 def test_tick_label_update():
     # test issue 9397
 

From b7a4db0d7eaed7dc069b5d823d220c1cd1fa3280 Mon Sep 17 00:00:00 2001
From: Kyle Sunden <sunden@wisc.edu>
Date: Tue, 27 Nov 2018 10:41:50 -0600
Subject: [PATCH 5/6] REV: Remove second iteration by not placing in blacklist
 dict

---
 lib/matplotlib/axis.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
index aca3c5f241b3..c8e2ca331762 100644
--- a/lib/matplotlib/axis.py
+++ b/lib/matplotlib/axis.py
@@ -839,10 +839,12 @@ def set_tick_params(self, which='major', reset=False, **kw):
             if reset:
                 d.clear()
             blacklist_dicts.append(
-                {k: d.pop(k) for k in blacklist if k in d.keys()}
+                {
+                    k: d.pop(k) for k in blacklist
+                    if k in d.keys() and k not in kwtrans.keys()
+                }
             )
             d.update(kwtrans)
-            [blacklist_dicts[-1].pop(k, None) for k in kwtrans.keys()]
 
         if reset:
             self.reset_ticks()

From d501de740aa692d74173e4a1b7c1004e400b494f Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Sat, 23 Feb 2019 12:52:26 -0500
Subject: [PATCH 6/6] FIX: only update the kwargs asked for in tick_params

---
 lib/matplotlib/axis.py | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
index c8e2ca331762..4cc145a19f71 100644
--- a/lib/matplotlib/axis.py
+++ b/lib/matplotlib/axis.py
@@ -826,40 +826,35 @@ def set_tick_params(self, which='major', reset=False, **kw):
         For documentation of keyword arguments, see
         :meth:`matplotlib.axes.Axes.tick_params`.
         """
-        blacklist = ['tick1On', 'tick2On', 'label1On', 'label2On', 'gridOn']
         dicts = []
-        blacklist_dicts = []
         if which == 'major' or which == 'both':
             dicts.append(self._major_tick_kw)
         if which == 'minor' or which == 'both':
             dicts.append(self._minor_tick_kw)
         kwtrans = self._translate_tick_kw(kw)
 
+        # this stashes the parameter changes so any new ticks will
+        # automatically get them
         for d in dicts:
             if reset:
                 d.clear()
-            blacklist_dicts.append(
-                {
-                    k: d.pop(k) for k in blacklist
-                    if k in d.keys() and k not in kwtrans.keys()
-                }
-            )
             d.update(kwtrans)
 
         if reset:
             self.reset_ticks()
         else:
+            # apply the new kwargs to the existing ticks
             if which == 'major' or which == 'both':
                 for tick in self.majorTicks:
-                    tick._apply_params(**self._major_tick_kw)
+                    tick._apply_params(**kwtrans)
             if which == 'minor' or which == 'both':
                 for tick in self.minorTicks:
-                    tick._apply_params(**self._minor_tick_kw)
+                    tick._apply_params(**kwtrans)
+            # special-case label color to also apply to the offset
+            # text
             if 'labelcolor' in kwtrans:
                 self.offsetText.set_color(kwtrans['labelcolor'])
 
-        for d, bd in zip(dicts, blacklist_dicts):
-            d.update(bd)
         self.stale = True
 
     @staticmethod