app init, database schema, and database functions

flaskfdx/__init__.py

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+import os
+
+from flask import Flask
+
+def create_app(test_config=None):
+    # create and configure app
+    app = Flask(__name__, instance_relative_config=True)
+    app.config.from_mapping(
+            SECRET_KEY='dev',
+            DATABASE=os.path.join(app.instance_path, 'flaskfdx.sqlite'),
+    )
+
+    if test_config is None:
+        # load the instance config, if it exists, when not testing
+        app.config.from_pyfile('config.py', silent=True)
+    else:
+        # load the test config if passed in
+        app.config.from_mapping(test_config)
+
+    # ensure the instance folder exists
+    try:
+        os.makedirs(app.instance_path)
+    except OSError:
+        pass
+
+    # simple hello world page
+    @app.route('/hello')
+    def hello():
+        return 'Hello World!'
+
+    from . import db
+    db.init_app(app)
+
+    return app

flaskfdx/db.py

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+import sqlite3
+
+import click
+from flask import current_app, g
+from flask.cli import with_appcontext
+
+def get_db():
+    if 'db' not in g:
+        g.db = sqlite3.connect(
+                current_app.config['DATABASE'],
+                detect_types=sqlite3.PARSE_DECLTYPES
+                )
+        g.db.row_factory = sqlite3.Row
+
+    return g.db
+
+def close_db(e=None):
+    db = g.pop('db', None)
+
+    if db is not None:
+        db.close()
+
+def init_db():
+    db = get_db()
+
+    with current_app.open_resource('schema.sql') as f:
+        db.executescript(f.read().decode('utf8'))
+
+@click.command('init-db')
+@with_appcontext
+def init_db_command():
+    """Create tables if they don't exist."""
+    init_db()
+    click.echo('initialized the database')
+
+def init_app(app):
+    app.teardown_appcontext(close_db)
+    app.cli.add_command(init_db_command)

flaskfdx/schema.sql

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+CREATE TABLE IF NOT EXISTS dsw (
+    csa INTEGER,
+    date TEXT NOT NULL,
+    wa TEXT NOT NULL,
+    driver TEXT,
+    totalod TEXT,
+    nextod TEXT,
+    delstops INTEGER,
+    delpkgs INTEGER,
+    pustops INTEGER,
+    pupkgs INTEGER,
+    van INTEGER,
+    miles INTEGER,
+    ils TEXT,
+    dna INTEGER,
+    allstatus INTEGER,
+    PRIMARY KEY (date,wa)
+);
+
+CREATE TABLE IF NOT EXISTS totals (
+    entity TEXT NOT NULL,
+    date TEXT NOT NULL,
+    prepkgs INTEGER,
+    prestops INTEGER,
+    prepustops INTEGER,
+    delstops INTEGER,
+    delpkgs INTEGER,
+    pustops INTEGER,
+    pupkgs INTEGER,
+    ils TEXT,
+    dna INTEGER,
+    allstatus INTEGER,
+    sig INTEGER,
+    eve INTEGER,
+    appt INTEGER,
+    PRIMARY KEY(entity,date)
+);
+
+CREATE TABLE IF NOT EXISTS users (
+    userid INTEGER NOT NULL PRIMARY KEY,
+    email TEXT UNIQUE NOT NULL,
+    password TEXT NOT NULL
+);