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perf(cmd-version): re-order operations for faster parsing in version determination #1310

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Merged
codejedi365 merged 1 commit into from
Sep 6, 2025
Merged

perf(cmd-version): re-order operations for faster parsing in version determination #1310

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23 changes: 5 additions & 18 deletions src/semantic_release/version/algorithm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -346,24 +346,7 @@ def next_version(
# Step 5. apply the parser to each commit in the history (could return multiple results per commit)
parsed_results = list(map(commit_parser.parse, commits_since_last_release))

# Step 5A. Validation type check for the parser results (important because of possible custom parsers)
for parsed_result in parsed_results:
if not any(
(
isinstance(parsed_result, (ParseError, ParsedCommit)),
type(parsed_result) == list
and validate_types_in_sequence(
parsed_result, (ParseError, ParsedCommit)
),
type(parsed_result) == tuple
and validate_types_in_sequence(
parsed_result, (ParseError, ParsedCommit)
),
)
):
raise TypeError("Unexpected type returned from commit_parser.parse")

# Step 5B. Accumulate all parsed results into a single list accounting for possible multiple results per commit
# Step 5A. Accumulate all parsed results into a single list accounting for possible multiple results per commit
consolidated_results: list[ParseResult] = reduce(
lambda accumulated_results, p_results: [
*accumulated_results,
Expand All @@ -378,6 +361,10 @@ def next_version(
[],
)

# Step 5B. Validation type check for the parser results (important because of possible custom parsers)
if not validate_types_in_sequence(consolidated_results, (ParseError, ParsedCommit)):
raise TypeError("Unexpected type returned from commit_parser.parse")

# Step 5C. Parse the commits to determine the bump level that should be applied
parsed_levels: set[LevelBump] = {
parsed_result.bump # type: ignore[union-attr] # too complex for type checkers
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