Add debug information to hopefully fix future problems

.github/workflows/ci.yml

@@ -27,6 +27,9 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install .[lint]
+        python -c "import shutil;shutil.rmtree('build')"
+    - name: Print debug information
+      run: python ./.github/workflows/debug.py lint
     - name: Run black
       run: black --check --verbose .
     - name: Run flake8
@@ -62,6 +65,9 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install .[lint]
+        python -c "import shutil;shutil.rmtree('build')"
+    - name: Print debug information
+      run: python ./.github/workflows/debug.py lint
     - name: Check other phrase usages
       run: python ./tools/static_word_checks.py
     - name: Run black
@@ -97,6 +103,9 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install .[test]
+        python -c "import shutil;shutil.rmtree('build')"
+    - name: Print debug information
+      run: python ./.github/workflows/debug.py test
     - name: Test with pytest
       run: pytest
     strategy:
@@ -123,6 +132,9 @@ jobs:
         python -m pip install --upgrade pip
         pip install .[test]
         pip install https://github.com/bboe/coveralls-python/archive/github_actions.zip
+        python -c "import shutil;shutil.rmtree('build')"
+    - name: Print debug information
+      run: python ./.github/workflows/debug.py test-coverage
     - name: Test with pytest
       run: coverage run --source praw --module pytest
     - env:

.github/workflows/debug.py

@@ -0,0 +1,34 @@
+"""Obtains debug information on the running system."""
+
+import os
+import sys
+
+from pip._internal.cli.main import main as pip_invoker
+
+program_list = {
+    "lint": ("black", "flake8", "pydocstyle", "sphinx"),
+    "test": ("pytest",),
+    "test-coverage": ("pytest", "coverage"),
+}
+
+debug_mode = sys.argv[1]
+
+
+def print_group(*print_args, **print_kwargs):
+    print(*print_args, **print_kwargs)
+    print("-" * 25)
+
+
+print_group("Running debug script in {} mode".format(debug_mode))
+
+print_group("Printing python version", sys.version, sep="\n")
+for program in program_list[debug_mode]:
+    print("Printing information on program {}".format(program))
+    pip_invoker(["show", program])
+    print("*" * 25)
+
+print("List of python files in directory:")
+for directory, folders, files in os.walk("."):
+    for file in files:
+        if file.endswith(".py"):
+            print("{}/{}".format(directory.rstrip("/"), file))