Add an output pager. #96
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| def resolve_output_path(output_path): | ||
| @contextmanager | ||
| def resolve_output_path(output_path, allow_pager=True): |
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We should probably support core.pager from git config, maybe =sno and =false? I turn it off in CI E2E tests since the CI envs have TTY things so output is pretty.
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In retrospect, this is quite roundabout. If I implement something in click itself I can just yield the filelike object it's already using for stdin to less. i.e. bypass the generator interface altogether. Then I dont need threads :) I'll work on a click PR |
Looks reasonable. I'm not sure if Click currently supports it, but does your approach break combining a pager with terminal output because the stream is closed when the context manager exits? eg: prompt for X, view some text in the pager, quit the pager, prompt for Z, view some more output, ... |
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maybe one day we'll return to this, but it's been almost three years, I'm sure we'll do it differently anyway |
Fixes #50
What a mission. This took way longer than I expected.
But I'm fairly happy with the results:
Notes:
I changedresolve_output_pathto a contextmanager, and made it yield a file-like object that pushes lines of text into a queue, which are read by a worker thread which yields them viaclick.echo_via_pager.I implemented pallets/click#1572 to support doing this without having to use threads... that should ideally be merged and released before this PR is merged.