Make bapctools pip-installable

.gitignore

@@ -5,3 +5,5 @@ latex/solution*.pdf
 skel/problem*.zip
 __pycache__
 *.swp
+/venv
+/dist

.pre-commit-config.yaml

@@ -10,7 +10,7 @@ repos:
     -   id: ruff
         args: [ --fix ]
     -   id: ruff
-        files: ^bin/.*\.py$
+        files: ^bapctools/.*\.py$
         args: ["--select=I", "--fix"]
     -   id: ruff-format
 -   repo: https://github.com/pre-commit/mirrors-mypy
@@ -36,4 +36,4 @@ repos:
         -   --python-version=3.10
         -   --scripts-are-modules
         -   --strict
-        exclude: ^(test|skel|scripts|bin/misc)/
+        exclude: ^(test|scripts|bin/misc|bapctools/resources)/

bapctools/__main__.py

@@ -0,0 +1,3 @@
+from bapctools.cli import main
+
+main()

bin/check_testing_tool.py → bapctools/check_testing_tool.py

@@ -4,11 +4,10 @@
 from pathlib import Path
 from typing import Optional, TYPE_CHECKING
 
-import config
-import parallel
-from program import Program
-from run import Submission
-from util import (
+from bapctools import config, parallel
+from bapctools.program import Program
+from bapctools.run import Submission
+from bapctools.util import (
     command_supports_memory_limit,
     default_exec_code_map,
     ensure_symlink,
@@ -19,7 +18,7 @@
 )
 
 if TYPE_CHECKING:  # Prevent circular import: https://stackoverflow.com/a/39757388
-    from problem import Problem
+    from bapctools.problem import Problem
 
 """DISCLAIMER: