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Flag for 'pip index versions' to output only latest version #10985

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Flag for 'pip index versions' to output only latest version #10985

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d02f649
src: commands: index: Add --latest flag
YarivFishman1 Mar 25, 2022
190546a
src: pip: commands: index: Add --format flag
YarivFishman1 Mar 26, 2022
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33 changes: 30 additions & 3 deletions src/pip/_internal/commands/index.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,21 @@ def add_options(self) -> None:
self.cmd_opts.add_option(cmdoptions.pre())
self.cmd_opts.add_option(cmdoptions.no_binary())
self.cmd_opts.add_option(cmdoptions.only_binary())
self.cmd_opts.add_option(
"--latest",
dest="latest",
action="store_true",
default=False,
help="Print only the latest version of the given package.",
)
Comment on lines +38 to +44
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If we drop this on for now I think this can go in. But the show only latest logic would need much more discussion.

self.cmd_opts.add_option(
"--format",
action="store",
dest="list_format",
default="human",
choices=("human", "json"),
help="Select the output format among: human (default) or json",
)

index_opts = cmdoptions.make_option_group(
cmdoptions.index_group,
Expand Down Expand Up @@ -131,9 +146,21 @@ def get_available_package_versions(self, options: Values, args: List[Any]) -> No
"No matching distribution found for {}".format(query)
)

if options.latest:
# Print only the last version in the list.
write_output(str(max(versions)))
return

if options.list_format == 'human':
formatted_versions = [str(ver) for ver in sorted(versions, reverse=True)]
latest = formatted_versions[0]

write_output("{} ({})".format(query, latest))
write_output("Available versions: {}".format(", ".join(formatted_versions)))
print_dist_installation_info(query, latest)
write_output("{} ({})".format(query, latest))
write_output("Available versions: {}".format(", ".join(formatted_versions)))
print_dist_installation_info(query, latest)
elif options.list_format == 'json':
json_output = {
'name': query,
'versions': [str(version) for version in sorted(versions)]
}
write_output(json_output)