Limit stdin functions (e.g., input) in request-reply kernels

lablup / backend.ai-kernels

Repository of Backend.AI-enabled container recipes

https://www.backend.ai

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Limit stdin functions (e.g., input) in request-reply kernels #27

Closed achimnol closed 7 years ago

achimnol commented 7 years ago

Some users have tried input() in Python kernels during code-golf sessions at conferences. In such case they saw "unexpected" timeouts because most request-reply based kernels cannot handle user inputs.

Until we have a nice user-input handling in the front-ends, we need to explicitly disable them and show error messages to the user.

achimnol commented 7 years ago

Resolved along with #30. Some languages does not provide direct access to stdin file descriptors, we just keep them as-is.