remove pyc and add gitignore

.gitignore

@@ -0,0 +1,161 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# CMake
+CMakeFiles/
+CMakeCache.txt
+CMakeScripts/
+CTestTestfile.cmake
+cmake_install.cmake
+compile_commands.json
+Makefile
+Testing/
+
+# Poetry
+#   According to https://python-poetry.org/docs/glossary/#lock-file
+#   it is recommended to include poetry.lock in version control.
+#   However, in case of collaboration, if having a large number of
+#   developers, it may be better to keep the file out of version control.
+#poetry.lock
+
+# Pylance (https://github.com/microsoft/pylance-release)
+.pyright
+
+# PyInstaller
+#   It's not generally necessary to include this in version control if you
+#   are using PyInstaller to generate your executables.
+#   https://pyinstaller.readthedocs.io/en/stable/operating-mode.html#how-the-one-file-program-works
+#dist/
+#build/
+#*.exe
+#*.spec
+
+# End of https://www.toptal.com/developers/gitignore/api/python

Python/Tetris/GameBoard.py

@@ -1,5 +1,23 @@
 from tkinter import *
 
+class CycleList(list):
+    """List that cycles through elements when indexing"""
+
+    def __init__(self, *args):
+        super().__init__(*args)
+        self._index = 0
+
+    def __getitem__(self, index):
+        return super().__getitem__(index % len(self))
+
+    def __setitem__(self, index, value):
+        super().__setitem__(index % len(self), value)
+
+    def __next__(self):
+        next_item = self[self._index]
+        self._index += 1
+        return next_item
+
 class Wrapper:
     pass
 class Coords:
@@ -156,13 +174,14 @@ def bump(self, newXY):
     def kick(self, newXY):
         pass
 
+EMPTY_GRID = object()
 
 class GameGrid:
 
     # List of X coordinates, containing lists of y coordinates
     # Origin is @ top left
     # 10 x 20 default
-    board: list[list[Block]] = [[]]
+    board: list[list[Block]] = EMPTY_GRID
     xSize = int
     ySize = int
 
@@ -171,11 +190,9 @@ class GameGrid:
     def __init__(self, xSize: int=10, ySize: int=20):
         self.xSize = xSize
         self.ySize = ySize
-        self.board = [
-            [None for y in range(self.ySize)]
-            for x in range(self.xSize)
-        ]
-
+        if self.board is EMPTY_GRID:
+            self.board = [[None]*self.ySize]*self.xSize
+
     def __repr__(self):
         string = "<GameBoard grid object:"
         for x, xList in enumerate(self.board):
@@ -190,7 +207,8 @@ def __repr__(self):
     def __getitem__(self, xy: Coords):
         x, y = (xy.x, xy.y)
         return self.board[x][y]
-    def __setitem__(self, xy, newBlock):
+
+    def __setitem__(self, xy: Coords, newBlock: Block):
         x, y = (xy.x, xy.y)
         self.board[x][y] = newBlock
 
@@ -242,7 +260,6 @@ def draw(self, canvas: Canvas, scale):
 
         canvas.pack(expand = True, fill = BOTH)
 
-
 class Game:
 
     """Game class to run alongside main loop"""
@@ -271,13 +288,10 @@ def __init__(self, frame: Frame, scale: int=40):
 
     def loop(self):
         self._canvas.delete("all")
-
         self._grid.draw(self._canvas, self._scale)
-
         self._grid.activeTetromino.xy.y += 1
 
     def key_press(self, event: Event):
         key = event.keysym
-
         if key == "Up":
             self._grid.activeTetromino.rotate()