test cache

Author: Susan Vanderplas

.github/workflows/main.yml

@@ -79,8 +79,6 @@ jobs:
             )),
             Sys.getenv("GITHUB_ENV"))
 
-
-
     - name: Reticulate checks
       shell: Rscript {0}
       run: |

code/list-pkgs.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python 
+import sys
+import os
+import shutil
+import pkgutil
+import importlib
+import collections
+
+# Name this file (module)
+this_module_name = os.path.basename(__file__).rsplit('.')[0]
+
+# Dict for loaders with their modules
+loaders = collections.OrderedDict()
+
+# Names's of build-in modules
+for module_name in sys.builtin_module_names:
+
+    # Find an information about a module by name
+    module = importlib.util.find_spec(module_name)
+
+    # Add a key about a loader in the dict, if not exists yet
+    if module.loader not in loaders:
+        loaders[module.loader] = []
+
+    # Add a name and a location about imported module in the dict
+    loaders[module.loader].append((module.name, module.origin))
+
+# All available non-build-in modules
+for module_name in pkgutil.iter_modules():
+
+    # Ignore this module
+    if this_module_name == module_name[1]:
+        continue
+
+    # Find an information about a module by name
+    module = importlib.util.find_spec(module_name[1])
+
+    # Add a key about a loader in the dict, if not exists yet
+    loader = type(module.loader)
+    if loader not in loaders:
+        loaders[loader] = []
+
+    # Add a name and a location about imported module in the dict
+    loaders[loader].append((module.name, module.origin))
+
+# Pretty print
+# line = '-' * shutil.get_terminal_size().columns
+# for loader, modules in loaders.items():
+#     print('{0}\n{1}: {2}\n{0}'.format(line, len(modules), loader))
+#     for module in modules:
+#         print('{0:30} | {1}'.format(module[0], module[1]))
+
+