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fix: Support both "data:" and "data: " formats for streaming responses #2584

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fix: Support both "data:" and "data: " formats for streaming responses #2584

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7346ca4
fix: Support both "data:" and "data: "
CaroyalKnight Jun 11, 2026
923549e
Merge branch 'googleapis:main' into fix/handle-stream-data-colon-variant
CaroyalKnight Jun 11, 2026
c7c7694
Merge branch 'googleapis:main' into fix/handle-stream-data-colon-variant
CaroyalKnight Jun 11, 2026
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6 changes: 3 additions & 3 deletions google/genai/_api_client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -362,10 +362,10 @@ def _iter_response_stream(self) -> Iterator[str]:
data_buffer = []
continue

# In streaming mode, the response of JSON is prefixed with "data: " which
# In streaming mode, the response of JSON is prefixed with either "data:" or "data: " which
# we must strip before parsing.
if line.startswith('data: '):
data_buffer.append(line[len('data: '):])
if line.startswith('data:'):
data_buffer.append(line[len('data:'):].lstrip())
continue

# When API returns an error message, it comes line by line. So we buffer
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