Previously, it was necessary to support older versions of Python for compatibility. F-strings were released in Python 3.6. Python 3.5 was marked as unsupported by the end of 2020, so now it's possible to start using f-strings safely for better readability and performance.
17 lines
354 B
Python
17 lines
354 B
Python
def application(environ, start_response):
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body = []
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while True:
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l = environ['wsgi.input'].readline(9)
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if not l:
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break
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body.append(l)
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if len(l) > 9:
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body.append(f'len(l) > 9: {l}'.encode())
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break
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start_response('200', [('X-Lines-Count', str(len(body)))])
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return body
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