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fix: feed the generator JSON, the spec outgrew SnakeYAML's code point limit #2

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Merged
mikipalet merged 1 commit into from
Sep 11, 2026
+6 −3
Merged

fix: feed the generator JSON, the spec outgrew SnakeYAML's code point limit #2

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4 changes: 2 additions & 2 deletions .github/workflows/generate.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -48,12 +48,12 @@ jobs:
- name: Normalize spec for the Java generator
run: |
python3 -c 'import yaml' 2>/dev/null || python3 -m pip install --quiet --break-system-packages pyyaml
python3 scripts/normalize-spec-for-java.py openapi.yaml "$RUNNER_TEMP/openapi-java.yaml"
python3 scripts/normalize-spec-for-java.py openapi.yaml "$RUNNER_TEMP/openapi-java.json"

- name: Generate SDK
run: |
openapi-generator-cli generate \
-i "$RUNNER_TEMP/openapi-java.yaml" \
-i "$RUNNER_TEMP/openapi-java.json" \
-g java \
-o . \
--skip-validate-spec \
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5 changes: 4 additions & 1 deletion scripts/normalize-spec-for-java.py
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Expand Up @@ -11,6 +11,7 @@
still deserializes into the right runtime shape) instead of failing the build.
"""

import json
import sys

import yaml
Expand Down Expand Up @@ -59,8 +60,10 @@ def main():
collapsed = []
collapse_unexpressible_unions(spec, "$", collapsed)

# JSON, not YAML: swagger-parser's SnakeYAML rejects YAML over 3,145,728
# code points, and the spec outgrew that on 2026-09-09.
with open(destination, "w") as out:
yaml.safe_dump(spec, out, sort_keys=False, allow_unicode=True, width=10**9)
json.dump(spec, out, ensure_ascii=False, default=str)

for location in collapsed:
print(f"collapsed to free-form (unexpressible in Java): {location}")
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