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def request_logger(f): # ... # # ... return f

def request_logger(f):

# ...

return f

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@request_logger def log_a_request(request): pass

@request_logger

def log_a_request(request):

pass

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def log_a_request(request): pass log_a_request = request_logger(log_a_request)

def log_a_request(request):

pass

log_a_request = request_logger(log_a_request)

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all_request_loggers = [] def request_logger(f): all_request_loggers.append(f) return f

all_request_loggers = []

def request_logger(f):

all_request_loggers.append(f)

return f

, , :

@request_logger def log_a_request(request): print(request.method, request.path)

@request_logger

def log_a_request(request):

print(request.method, request.path)

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, , ( ). for :

def invoke_request_loggers(request): for logger in all_request_loggers: logger(request)

def invoke_request_loggers(request):

for logger in all_request_loggers:

logger(request)

, Flask :

from flask import Flask, request app = Flask(__name__) all_request_loggers = [] def request_logger(f): all_request_loggers.append(f) return f def invoke_request_loggers(request): for logger in all_request_loggers: logger(request) @request_logger def log_a_request(request): print(request.method, request.path) @app.route('/') def index(): invoke_request_loggers(request) return 'Hello World!'

from flask import Flask, request

app = Flask(__name__)

all_request_loggers = []

def request_logger(f):

all_request_loggers.append(f)

return f

def invoke_request_loggers(request):

for logger in all_request_loggers:

logger(request)

@request_logger

def log_a_request(request):

print(request.method, request.path)

@app.route('/')

def index():

invoke_request_loggers(request)

return 'Hello World!'

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Vasile Buldumac

Python, Golang Kotlin. , . .

E-mail: vasile.buldumac@ati.utm.md

Universitatea Tehnic a Moldovei (utm.md)

2014 — 2018 , -. « »
2018 — 2020 , , « »

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(Observer)