Merge pull request #375 from Carifio24/refresh-tile-cache

Allow refreshing tile cache

.readthedocs_env.yml

@@ -22,4 +22,8 @@ dependencies:
   - reproject
   - setuptools
   - sphinx
-  - sphinx-automodapi
+  # This pin is to work around a conda verification error
+  # that first appeared in the CI for https://github.com/WorldWideTelescope/pywwt/pull/375.
+  # At the time of writing this, the issue only occurs with sphinx-automodapi==0.17,
+  # which is the newest version.
+  - sphinx-automodapi=0.16

ci/azure-job-setup.yml

@@ -100,8 +100,6 @@ steps:
       set -euo pipefail
       source activate-conda.sh
       set -x
-      # workaround for the Windows CI image:
-      conda install -y brotlipy
       conda config --add channels conda-forge
       conda config --set channel_priority strict
       conda update -y --all

frontend/package.json

@@ -5,7 +5,7 @@
   },
   "dependencies": {
     "@jupyter-widgets/base": "^2  || ^3 || ^4 || ^5 || ^6",
-    "@wwtelescope/research-app": "^0.16.0",
+    "@wwtelescope/research-app": "^0.17.0",
     "underscore": "^1"
   },
   "description": "WorldWide Telescope from Python",

pywwt/core.py

@@ -1372,3 +1372,13 @@ def _serialize_to_json(self, file, title, max_width, max_height):
 
     def _save_added_data(self, dir):
         self.layers._save_all_data_for_serialization(dir)
+
+    # Miscellaneous
+
+    def refresh_tile_cache(self):
+        """
+        Clear the current cache of tiles.
+        Note that this should only be used when necessary, as any
+        previously downloaded tiles will need to be re-fetched.
+        """
+        self._send_msg(event="clear_tile_cache")

pywwt/tests/test_layers.py

@@ -10,6 +10,7 @@
 import pytest
 from stat import S_IWGRP, S_IWOTH, S_IWUSR, S_IMODE
 from tempfile import TemporaryDirectory
+from warnings import catch_warnings
 
 from . import assert_widget_image, wait_for_test, DATA
 from ..conftest import RUNNING_ON_CI, QT_INSTALLED  # noqa
@@ -285,7 +286,7 @@ def test_cartesian_layer(self):
 
         # Make sure adding the layer doesn't emit any warnings, which previously
         # happened due to a bug with the logic in the table layer initialization
-        with pytest.warns(None) as record:
+        with catch_warnings(record=True) as record:
             layer = self.client.layers.add_table_layer(
                 table=table, coord_type="rectangular", x_att="x", y_att="y", z_att="z"
             )

pywwt/tests/test_qt_widget.py

@@ -6,7 +6,7 @@
 from ..conftest import RUNNING_ON_CI
 
 
-WAIT_TIME = 5 if RUNNING_ON_CI else 1
+WAIT_TIME = 10 if RUNNING_ON_CI else 1
 M42 = SkyCoord.from_name('M42')