fleshed out the empty folder structure

Author: AndrewAllenPi

app/__init__.py

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+from flask import Flask
+from config import config
+
+def create_app(config_name):
+    app = Flask(__name__)
+    app.config.from_object(config[config_name])
+    config[config_name].init_app(app)
+    
+    from .main import main as main_blueprint
+    app.register_blueprint(main_blueprint)
+    
+    return app

app/main/__init__.py

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+from flask import Blueprint
+
+main = Blueprint('main', __name__)
+
+from . import views, errors

app/main/errors.py

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+from flask import render_template
+from . import main
+
+@main.app_errorhandler(404)
+def page_not_found(e):
+    return render_template('404.html'), 404
+    
+@main.app_errorhandler(500)
+def internal_server_error(e):
+    return render_template('500.html'), 500

app/main/views.py

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+from flask import render_template
+from . import main
+
+
+@main.route('/', methods=['GET'])
+def index():
+    return render_template('index.html')

app/templates/404.html

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+404

app/templates/500.html

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+500

app/templates/index.html

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+index

config.py

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+import os
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+class Config:
+    SECRET_KEY = os.environ.get('SECRET_KEY') or 'hard to guess string'
+    
+    @staticmethod
+    def init_app(app):
+        pass
+        
+class DevelopmentConfig(Config):
+    DEBUG = True
+    
+class TestingConfig(Config):
+    TESTING = True
+    
+class ProductionConfig(Config):
+    pass
+    
+config = {
+    'development': DevelopmentConfig,
+    'testing': TestingConfig,
+    'production': ProductionConfig,
+    'default': DevelopmentConfig
+}

flasky.py

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+import os
+from app import create_app
+
+
+app = create_app(os.getenv('FLASK_CONFIG') or 'default')