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feat: TA-Lib candlestick patterns — Doji family (part 3 of 9) (#134)

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* feat: add Doji-family candlestick patterns

Five single-/two-bar Doji patterns, all `Input = Candle`, `Output = f64`:

- Doji Star (CDLDOJISTAR) — a long body followed by a doji gapping away in the
  trend direction; bullish +1 (after a black bar), bearish -1 (after a white bar).
- Dragonfly Doji (CDLDRAGONFLYDOJI) — a doji opening and closing at the high with
  a long lower shadow; bullish +1.
- Gravestone Doji (CDLGRAVESTONEDOJI) — a doji opening and closing at the low with
  a long upper shadow; bearish -1.
- Long-Legged Doji (CDLLONGLEGGEDDOJI) — a doji with long shadows on both sides; a
  non-directional indecision flag, +1 on detection.
- Rickshaw Man (CDLRICKSHAWMAN) — a long-legged doji with the body centred in the
  range; a non-directional indecision flag, +1 on detection.

Counter 254 -> 259 (mod-count == lib counted block; FAMILIES total 249 -> 254).

* chore: sync indicator count to 259

---------

Co-authored-by: wickra-bot <wickra-bot@users.noreply.github.com>
This commit is contained in:
kingchenc
2026-06-02 16:45:08 +02:00
committed by GitHub
parent 03ceac1f3b
commit 244d754707
19 changed files with 1051 additions and 39 deletions
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bindings/python/src/lib.rs
+10
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@@ -11638,6 +11638,11 @@ candle_pattern_no_param!(PyAdvanceBlock, wc::AdvanceBlock, "AdvanceBlock");
candle_pattern_no_param!(PyBeltHold, wc::BeltHold, "BeltHold");
candle_pattern_no_param!(PyBreakaway, wc::Breakaway, "Breakaway");
candle_pattern_no_param!(PyCounterattack, wc::Counterattack, "Counterattack");
candle_pattern_no_param!(PyDojiStar, wc::DojiStar, "DojiStar");
candle_pattern_no_param!(PyDragonflyDoji, wc::DragonflyDoji, "DragonflyDoji");
candle_pattern_no_param!(PyGravestoneDoji, wc::GravestoneDoji, "GravestoneDoji");
candle_pattern_no_param!(PyLongLeggedDoji, wc::LongLeggedDoji, "LongLeggedDoji");
candle_pattern_no_param!(PyRickshawMan, wc::RickshawMan, "RickshawMan");
// ============================== Microstructure: Order Book ==============================
//
// Order-book indicators consume a depth snapshot rather than OHLCV. Streaming
@@ -14144,6 +14149,11 @@ fn _wickra(_py: Python<'_>, m: &Bound<'_, PyModule>) -> PyResult<()> {
m.add_class::<PyBeltHold>()?;
m.add_class::<PyBreakaway>()?;
m.add_class::<PyCounterattack>()?;
m.add_class::<PyDojiStar>()?;
m.add_class::<PyDragonflyDoji>()?;
m.add_class::<PyGravestoneDoji>()?;
m.add_class::<PyLongLeggedDoji>()?;
m.add_class::<PyRickshawMan>()?;
// Microstructure: order book.
m.add_class::<PyOrderBookImbalanceTop1>()?;
m.add_class::<PyOrderBookImbalanceTopN>()?;