mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-23 18:13:56 +03:00
34 lines
905 B
Python
34 lines
905 B
Python
"""`inject()` decorator and Flask view example."""
|
|
|
|
import sqlite3
|
|
import flask
|
|
|
|
import dependency_injector.providers as providers
|
|
import dependency_injector.injections as injections
|
|
|
|
|
|
database = providers.Singleton(sqlite3.connect,
|
|
':memory:',
|
|
timeout=30,
|
|
detect_types=True,
|
|
isolation_level='EXCLUSIVE')
|
|
|
|
app = flask.Flask(__name__)
|
|
|
|
|
|
@app.route('/')
|
|
@injections.inject(database)
|
|
@injections.inject(flask.request)
|
|
def hello(request, database):
|
|
"""Example Flask view."""
|
|
print request
|
|
one = database.execute('SELECT 1').fetchone()[0]
|
|
return 'Query returned {0}, db connection {1}'.format(one, database)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
app.run()
|
|
|
|
# Example output of "GET / HTTP/1.1" is:
|
|
# Query returned 1, db connection <sqlite3.Connection object at 0x1057e4030>
|