30 lines
756 B
Python
30 lines
756 B
Python
"""`@di.inject()` decorator and Flask view example."""
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import sqlite3
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import flask
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import dependency_injector as di
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database = di.Singleton(sqlite3.Connection,
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database=':memory:',
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timeout=30,
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detect_types=True,
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isolation_level='EXCLUSIVE')
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app = flask.Flask(__name__)
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@app.route('/')
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@di.inject(database=database)
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def hello(database):
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"""Example Flask view."""
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one = database.execute('SELECT 1').fetchone()[0]
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return 'Query returned {0}, db connection {1}'.format(one, database)
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if __name__ == '__main__':
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app.run()
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# Example output of "GET / HTTP/1.1" is:
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# Query returned 1, db connection <sqlite3.Connection object at 0x1057e4030>
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