[MRG+1] use INFO log level to show telnet host/port #3115
What do you think about using INFO log level for displaying telnet host/port information?
In production log level is often changed to INFO+. At the same time, a concrete telnet port is chosen from a range of ports. It means that log may be useless when someone wants to figure out how to connect to a running production spider, and Scrapy doesn't announce this port by other means.
I can also imagine that using INFO can raise awareness of users of this feature; some may want to disable it after realizing Scrapy is starting a telnet server by default, and some may do the opposite and start using the feature.
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