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kernprof and flask
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| """ | |
| Flask's reloader causes kernprof to fail. | |
| """ | |
| from flask import Flask, request | |
| import time | |
| app = Flask(__name__) | |
| app.testing = True | |
| @app.route('/') | |
| @profile | |
| def index(): | |
| time.sleep(1) | |
| fn = request.environ.get('werkzeug.server.shutdown') | |
| if fn: | |
| fn() | |
| return 'ok' | |
| if __name__ == '__main__': | |
| # Fails | |
| # app.run('127.0.0.1', 5000, use_reloader=True) | |
| # Works | |
| # app.run('127.0.0.1', 5000, use_reloader=False) | |
| # Works | |
| with app.test_client() as c: | |
| c.get('/') |
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| $ kernprof -l -v example.py | |
| Wrote profile results to example.py.lprof | |
| Timer unit: 1e-06 s | |
| Total time: 1.00117 s | |
| File: example.py | |
| Function: index at line 13 | |
| Line # Hits Time Per Hit % Time Line Contents | |
| ============================================================== | |
| 13 @app.route('/') | |
| 14 @profile | |
| 15 def index(): | |
| 16 1 1001072 1001072.0 100.0 time.sleep(1) | |
| 17 1 97 97.0 0.0 fn = request.environ.get('werkzeug.server.shutdown') | |
| 18 1 3 3.0 0.0 if fn: | |
| 19 fn() | |
| 20 1 2 2.0 0.0 return 'ok' |
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