async def fmt(
console: Console,
targets: Targets,
fmt_subsystem: FmtSubsystem,
workspace: Workspace,
union_membership: UnionMembership,
) -> Fmt:
language_target_collection_types = union_membership[LanguageFmtTargets]
language_target_collections = tuple(
language_target_collection_type(
Targets(target for target in targets
if language_target_collection_type.belongs_to_language(
target))) for language_target_collection_type in
language_target_collection_types)
targets_with_sources = await MultiGet(
Get(
TargetsWithSources,
TargetsWithSourcesRequest(language_target_collection.targets),
) for language_target_collection in language_target_collections)
# NB: We must convert back the generic TargetsWithSources objects back into their
# corresponding LanguageFmtTargets, e.g. back to PythonFmtTargets, in order for the union
# rule to work.
valid_language_target_collections = tuple(
language_target_collection_cls(
Targets(target for target in language_target_collection.targets
if target in language_targets_with_sources))
for language_target_collection_cls,
language_target_collection, language_targets_with_sources in zip(
language_target_collection_types, language_target_collections,
targets_with_sources) if language_targets_with_sources)
if fmt_subsystem.per_file_caching:
per_language_results = await MultiGet(
Get(
LanguageFmtResults,
LanguageFmtTargets,
language_target_collection.__class__(Targets([target])),
)
for language_target_collection in valid_language_target_collections
for target in language_target_collection.targets)
else:
per_language_results = await MultiGet(
Get(LanguageFmtResults, LanguageFmtTargets,
language_target_collection)
for language_target_collection in valid_language_target_collections
)
individual_results = list(
itertools.chain.from_iterable(
language_result.results
for language_result in per_language_results))
if not individual_results:
return Fmt(exit_code=0)
changed_digests = tuple(language_result.output
for language_result in per_language_results
if language_result.did_change)
if changed_digests:
# NB: this will fail if there are any conflicting changes, which we want to happen rather
# than silently having one result override the other. In practice, this should never
# happen due to us grouping each language's formatters into a single digest.
merged_formatted_digest = await Get(Digest,
MergeDigests(changed_digests))
workspace.write_digest(merged_formatted_digest)
if individual_results:
console.print_stderr("")
# We group all results for the same formatter so that we can give one final status in the
# summary. This is only relevant if there were multiple results because of
# `--per-file-caching`.
formatter_to_results = defaultdict(set)
for result in individual_results:
formatter_to_results[result.formatter_name].add(result)
for formatter, results in sorted(formatter_to_results.items()):
if any(result.did_change for result in results):
sigil = console.sigil_succeeded_with_edits()
status = "made changes"
elif all(result.skipped for result in results):
sigil = console.sigil_skipped()
status = "skipped"
else:
sigil = console.sigil_succeeded()
status = "made no changes"
console.print_stderr(f"{sigil} {formatter} {status}.")
# Since the rules to produce FmtResult should use ExecuteRequest, rather than
# FallibleProcess, we assume that there were no failures.
return Fmt(exit_code=0)
async def fmt(
console: Console,
targets: Targets,
fmt_subsystem: FmtSubsystem,
workspace: Workspace,
union_membership: UnionMembership,
) -> Fmt:
request_types = union_membership[FmtRequest]
specified_names = determine_specified_tool_names("fmt", fmt_subsystem.only,
request_types)
# Group targets by the sequence of FmtRequests that apply to them.
targets_by_fmt_request_order = defaultdict(list)
for target in targets:
fmt_requests = []
for fmt_request in request_types:
valid_name = fmt_request.name in specified_names
if valid_name and fmt_request.field_set_type.is_applicable(
target): # type: ignore[misc]
fmt_requests.append(fmt_request)
if fmt_requests:
targets_by_fmt_request_order[tuple(fmt_requests)].append(target)
# Spawn sequential formatting per unique sequence of FmtRequests.
per_language_results = await MultiGet(
Get(
_LanguageFmtResults,
_LanguageFmtRequest(fmt_requests, Targets(target_batch)),
) for fmt_requests, targets in targets_by_fmt_request_order.items()
for target_batch in partition_sequentially(
targets,
key=lambda t: t.address.spec,
size_target=fmt_subsystem.batch_size,
size_max=4 * fmt_subsystem.batch_size,
))
individual_results = list(
itertools.chain.from_iterable(
language_result.results
for language_result in per_language_results))
if not individual_results:
return Fmt(exit_code=0)
changed_digests = tuple(language_result.output
for language_result in per_language_results
if language_result.did_change)
if changed_digests:
# NB: this will fail if there are any conflicting changes, which we want to happen rather
# than silently having one result override the other. In practice, this should never
# happen due to us grouping each language's formatters into a single digest.
merged_formatted_digest = await Get(Digest,
MergeDigests(changed_digests))
workspace.write_digest(merged_formatted_digest)
if individual_results:
console.print_stderr("")
# We group all results for the same formatter so that we can give one final status in the
# summary. This is only relevant if there were multiple results because of
# `--per-file-caching`.
formatter_to_results = defaultdict(set)
for result in individual_results:
formatter_to_results[result.formatter_name].add(result)
for formatter, results in sorted(formatter_to_results.items()):
if any(result.did_change for result in results):
sigil = console.sigil_succeeded_with_edits()
status = "made changes"
elif all(result.skipped for result in results):
continue
else:
sigil = console.sigil_succeeded()
status = "made no changes"
console.print_stderr(f"{sigil} {formatter} {status}.")
# Since the rules to produce FmtResult should use ExecuteRequest, rather than
# FallibleProcess, we assume that there were no failures.
return Fmt(exit_code=0)