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https://github.com/ets-labs/python-dependency-injector.git
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34 lines
905 B
Python
34 lines
905 B
Python
"""`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.providers as providers
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import dependency_injector.injections as injections
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database = providers.Singleton(sqlite3.connect,
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':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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@injections.inject(database)
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@injections.inject(flask.request)
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def hello(request, database):
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"""Example Flask view."""
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print request
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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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