python3 compatibility + webapp to flask refactoring

python3/README.txt

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+Install google-cloud-sdk from: https://cloud.google.com/sdk/docs/install
+
+Replace app.yaml with the python3 one
+
+python3 CLOUD_SDK_ROOT/bin/dev_appserver.py OPTION yaml_path FILES
+
+The python3 dev_appserver uses Java objects, test it according to your needs and performance expectations, I personally favor Python2 still [27/01/24]
+
+Useful: https://cloud.google.com/appengine/docs/standard/tools/local-devserver-command?tab=python
+
+alias run_thegame3="python3.11 /Users/kaan/Desktop/APPENGINE/google-cloud-sdk/bin/dev_appserver.py --storage_path=/Users/kaan/Desktop/DEPLOY/python3/storage/ --blobstore_path=/Users/kaan/Desktop/DEPLOY/python3/storage/blobstore/ --datastore_path=/Users/kaan/Desktop/DEPLOY/python3/storage/new_db.bin --host=0.0.0.0 --port=8083 /Users/kaan/Desktop/DEPLOY/python3/thegame/ --require_indexes --enable_host_checking=False"
+
+Suggestions:
+1) Invoke /admin/make with your email put in admin.py
+2) From /admin/executor - call empty_fill_maps()
+3) After getting rid of the initial errors, figure out the rest

python3/app.yaml

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+version: 4 #2-new UI | 3-new font dynamics | 4-python3
+runtime: python312
+app_engine_apis: true
+threadsafe: true
+api_version: 1
+builtins:
+- deferred: on
+
+#F2/F4: same warmup handler performance [14/10/14]
+instance_class: F2
+automatic_scaling:
+  min_idle_instances: 0
+  max_idle_instances: 1
+  min_pending_latency: 6000ms
+  max_pending_latency: 12000ms
+
+default_expiration: "4d"
+
+handlers:
+- url: /favicon\.ico
+  static_files: images/favicon.ico
+  upload: favicon\.ico
+- url: /css
+  static_dir: css
+- url: /images
+  static_dir: images
+- url: /img/
+  static_dir: images/screenshots
+- url: /sounds
+  static_dir: sounds
+- url: /js
+  static_dir: js
+- url: .*
+  script: auto

python3/requirements.txt

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+Flask
+lxml
+appengine-python-standard