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fix: preserve ANSI colors when piping to pager on Windows #1705

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fix: preserve ANSI colors when piping to pager on Windows #1705

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dedb862
fix: preserve ANSI colors when piping to pager on Windows
Mar 8, 2026
e2f177f
test: add regression test for Windows piped output color preservation
Mar 8, 2026
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2 changes: 1 addition & 1 deletion httpie/output/writer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ def write_message(
'flush': env.stdout_isatty or processing_options.stream
}
try:
if env.is_windows and 'colors' in processing_options.get_prettify(env):
if env.is_windows and env.stdout_isatty and 'colors' in processing_options.get_prettify(env):
write_stream_with_colors_win(**write_stream_kwargs)
else:
write_stream(**write_stream_kwargs)
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Copilot AI Mar 8, 2026

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Add a regression test for this Windows-specific branch selection: when env.is_windows is true, colors are requested (e.g. --pretty=all), and env.stdout_isatty is false (piped/redirected), we should use the raw write_stream() path (and not write_stream_with_colors_win()) so ANSI escape codes are preserved. Without a test, this behavior is easy to accidentally regress and reintroduce the color-stripping issue reported in #799.

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