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Added downgrading note when updating to an older version #8176

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merged 3 commits into from
Jul 18, 2023
Merged

Added downgrading note when updating to an older version #8176

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e266cbf
Added downgrading note when updating to an older version
trag1c Jul 10, 2023
4618611
Updated executor tests to account for downgrading
trag1c Jul 10, 2023
d81d9ee
Merge branch 'master' into downgrading-note
trag1c Jul 10, 2023
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13 changes: 9 additions & 4 deletions src/poetry/installation/executor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -461,13 +461,18 @@ def get_operation_message(
)

if isinstance(operation, Update):
initial_version = (initial_pkg := operation.initial_package).version
target_version = (target_pkg := operation.target_package).version
update_kind = (
"Updating" if target_version >= initial_version else "Downgrading"
)
return (
f"<{base_tag}>Updating"
f" <{package_color}>{operation.initial_package.name}</{package_color}> "
f"<{base_tag}>{update_kind}"
f" <{package_color}>{initial_pkg.name}</{package_color}> "
f"(<{source_operation_color}>"
f"{operation.initial_package.full_pretty_version}"
f"{initial_pkg.full_pretty_version}"
f"</{source_operation_color}> -> <{operation_color}>"
f"{operation.target_package.full_pretty_version}</>)</>"
f"{target_pkg.full_pretty_version}</>)</>"
)
return ""

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10 changes: 6 additions & 4 deletions tests/installation/test_executor.py
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Expand Up @@ -246,6 +246,7 @@ def test_execute_executes_a_batch_of_operations(
Install(Package("pytest", "3.5.1")),
Uninstall(Package("attrs", "17.4.0")),
Update(Package("requests", "2.18.3"), Package("requests", "2.18.4")),
Update(Package("pytest", "3.5.1"), Package("pytest", "3.5.0")),
Uninstall(Package("clikit", "0.2.3")).skip("Not currently installed"),
Install(file_package),
Install(directory_package),
Expand All @@ -254,11 +255,12 @@ def test_execute_executes_a_batch_of_operations(
)

expected = f"""
Package operations: 4 installs, 1 update, 1 removal
Package operations: 4 installs, 2 updates, 1 removal

• Installing pytest (3.5.1)
• Removing attrs (17.4.0)
• Updating requests (2.18.3 -> 2.18.4)
• Downgrading pytest (3.5.1 -> 3.5.0)
• Installing demo (0.1.0 {file_package.source_url})
• Installing simple-project (1.2.3 {directory_package.source_url})
• Installing demo (0.1.0 master)
Expand All @@ -267,9 +269,9 @@ def test_execute_executes_a_batch_of_operations(
expected_lines = set(expected.splitlines())
output_lines = set(io.fetch_output().splitlines())
assert output_lines == expected_lines
assert wheel_install.call_count == 5
# Two pip uninstalls: one for the remove operation one for the update operation
assert len(env.executed) == 2
assert wheel_install.call_count == 6
# 3 pip uninstalls: one for the remove operation and two for the update operations
assert len(env.executed) == 3
assert return_code == 0

assert prepare_spy.call_count == 2
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