[issue18626] Make "python -m inspect <name>" meaningful

[Nick Coghlan]

Nick Coghlan added the comment:

I realised that with the "module:qualname" syntax, it's straightforward to expand this beyond module introspection to arbitrary objects.

What I suggest we could output:

- a header with key module info (names taken from PEP 451):
    Origin
    Cached
    Submodule search path
    Loader (repr output)

- for non-module objects, also include the line within the file (if it can be determined)

- the output of getsource() if a "--source" option is given

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title: Make "python -m inspect <name>" dump the source of a module -> Make "python -m inspect <name>" meaningful

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18626>
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