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conorbronsdon merged 1 commit into from
Jul 6, 2026
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docs: add Coming-from-Python section + fix stale counts #1

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20 changes: 19 additions & 1 deletion README.md
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Expand Up @@ -20,6 +20,22 @@ with Chain of Thought's own episode transcripts: pulling quotes for show
notes, picking the timestamp window for a clip, and turning an SRT or VTT
export into a clean transcript.

### Coming from Python

There is no Python stdlib equivalent for subtitles — the closest third-party
library is `webvtt-py`. The rough mapping:

| Python (`webvtt-py`, closest) | mojo-captions |
| ----------------------------------- | -------------------------------------- |
| `vtt = webvtt.read("f.vtt")` | `var caps = parse_captions(source)` |
| `for c in vtt: c.text` | `for cue in caps.cues: cue.text` |
| `c.start` / `c.end` | `cue.start_ms` / `cue.end_ms` |
| `vtt.save_as_srt(...)` | `to_srt(caps)` (also `to_vtt(caps)`) |

mojo-captions parses both SRT and WebVTT (detected automatically), and adds
transcript helpers with no `webvtt-py` parallel: `plain_text(caps)`,
`cues_between(caps, start_ms, end_ms)`, and `duration_ms(caps)`.

## What it handles

- **Auto-detection**: a leading `WEBVTT` header means WebVTT, anything else
Expand Down Expand Up @@ -116,9 +132,11 @@ liberally or is skipped, never fatal.

## Part of a pure-Mojo library suite

Ten pure-Mojo libraries that mirror familiar Python stdlib and PyPI APIs,
Eleven pure-Mojo libraries that mirror familiar Python stdlib and PyPI APIs,
filling gaps in the native Mojo ecosystem:

- [mojo-xml](https://github.com/conorbronsdon/mojo-xml) — general-purpose XML
parsing, an ElementTree-shaped DOM (Python's `xml.etree.ElementTree`)
- [mojo-feed](https://github.com/conorbronsdon/mojo-feed) — RSS, Atom, and
JSON Feed parsing (Python's `feedparser`)
- [mojo-html](https://github.com/conorbronsdon/mojo-html) — HTML parsing and
Expand Down
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