refactor!: chieri v4 b30 scenario

- Remove useless `.utils` code

src/arcaea_offline_ocr/b30/shared.py

@@ -1,15 +0,0 @@
-from dataclasses import dataclass
-from datetime import datetime
-from typing import Optional
-
-
-@dataclass
-class B30OcrResultItem:
-    rating_class: int
-    score: int
-    pure: Optional[int] = None
-    far: Optional[int] = None
-    lost: Optional[int] = None
-    date: Optional[datetime] = None
-    title: Optional[str] = None
-    song_id: Optional[str] = None

src/arcaea_offline_ocr/scenarios/b30/__init__.py

@@ -0,0 +1,3 @@
+from .chieri import ChieriBotV4Best30Scenario
+
+__all__ = ["ChieriBotV4Best30Scenario"]

src/arcaea_offline_ocr/scenarios/b30/chieri/__init__.py

@@ -0,0 +1,3 @@
+from .v4 import ChieriBotV4Best30Scenario
+
+__all__ = ["ChieriBotV4Best30Scenario"]

src/arcaea_offline_ocr/scenarios/b30/chieri/v4/__init__.py

@@ -0,0 +1,3 @@
+from .impl import ChieriBotV4Best30Scenario
+
+__all__ = ["ChieriBotV4Best30Scenario"]

src/arcaea_offline_ocr/scenarios/b30/chieri/v4/colors.py

@@ -27,11 +27,11 @@ FAR_BG_MAX_HSV = np.array([20, 255, 255], np.uint8)
 LOST_BG_MIN_HSV = np.array([115, 60, 150], np.uint8)
 LOST_BG_MAX_HSV = np.array([140, 255, 255], np.uint8)
 
-BYD_MIN_HSV = (158, 120, 0)
-BYD_MAX_HSV = (172, 255, 255)
+BYD_MIN_HSV = np.array([158, 120, 0], np.uint8)
+BYD_MAX_HSV = np.array([172, 255, 255], np.uint8)
 
-FTR_MIN_HSV = (145, 70, 0)
-FTR_MAX_HSV = (160, 255, 255)
+FTR_MIN_HSV = np.array([145, 70, 0], np.uint8)
+FTR_MAX_HSV = np.array([160, 255, 255], np.uint8)
 
-PRS_MIN_HSV = (45, 60, 0)
-PRS_MAX_HSV = (70, 255, 255)
+PRS_MIN_HSV = np.array([45, 60, 0], np.uint8)
+PRS_MAX_HSV = np.array([70, 255, 255], np.uint8)

src/arcaea_offline_ocr/scenarios/b30/chieri/v4/impl.py

@@ -3,10 +3,16 @@ from typing import List, Optional, Tuple
 import cv2
 import numpy as np
 
-from ....crop import crop_xywh
-from ....phash_db import ImagePhashDatabase
-from ....types import Mat
-from ...shared import B30OcrResultItem
+from arcaea_offline_ocr.crop import crop_xywh
+from arcaea_offline_ocr.providers import (
+    ImageCategory,
+    ImageIdProvider,
+    OcrKNearestTextProvider,
+)
+from arcaea_offline_ocr.scenarios.b30.base import Best30Scenario
+from arcaea_offline_ocr.scenarios.base import OcrScenarioResult
+from arcaea_offline_ocr.types import Mat
+
 from .colors import (
     BYD_MAX_HSV,
     BYD_MIN_HSV,
@@ -22,29 +28,20 @@ from .colors import (
     PURE_BG_MIN_HSV,
 )
 from .rois import ChieriBotV4Rois
-from ....providers.knn import OcrKNearestTextProvider
 
 
-class ChieriBotV4Ocr:
+class ChieriBotV4Best30Scenario(Best30Scenario):
     def __init__(
         self,
         score_knn_provider: OcrKNearestTextProvider,
         pfl_knn_provider: OcrKNearestTextProvider,
-        phash_db: ImagePhashDatabase,
+        image_id_provider: ImageIdProvider,
         factor: float = 1.0,
     ):
-        self.__phash_db = phash_db
         self.__rois = ChieriBotV4Rois(factor)
         self.pfl_knn_provider = pfl_knn_provider
         self.score_knn_provider = score_knn_provider
-
-    @property
-    def phash_db(self):
-        return self.__phash_db
-
-    @phash_db.setter
-    def phash_db(self, phash_db: ImagePhashDatabase):
-        self.__phash_db = phash_db
+        self.image_id_provider = image_id_provider
 
     @property
     def rois(self):
@@ -77,12 +74,12 @@ class ChieriBotV4Ocr:
         else:
             return max(enumerate(rating_class_results), key=lambda i: i[1])[0] + 1
 
-    def ocr_component_song_id(self, component_bgr: Mat):
+    def ocr_component_song_id_results(self, component_bgr: Mat):
         jacket_rect = self.rois.component_rois.jacket_rect.floored()
         jacket_roi = cv2.cvtColor(
             crop_xywh(component_bgr, jacket_rect), cv2.COLOR_BGR2GRAY
         )
-        return self.phash_db.lookup_jacket(jacket_roi)[0]
+        return self.image_id_provider.results(jacket_roi, ImageCategory.JACKET)
 
     def ocr_component_score_knn(self, component_bgr: Mat) -> int:
         # sourcery skip: inline-immediately-returned-variable
@@ -191,28 +188,36 @@ class ChieriBotV4Ocr:
         except Exception:
             return (None, None, None)
 
-    def ocr_component(self, component_bgr: Mat) -> B30OcrResultItem:
+    def ocr_component(self, component_bgr: Mat) -> OcrScenarioResult:
         component_blur = cv2.GaussianBlur(component_bgr, (5, 5), 0)
         rating_class = self.ocr_component_rating_class(component_blur)
-        song_id = self.ocr_component_song_id(component_bgr)
-        # title = self.ocr_component_title(component_blur)
+        song_id_results = self.ocr_component_song_id_results(component_bgr)
         # score = self.ocr_component_score(component_blur)
         score = self.ocr_component_score_knn(component_bgr)
         pure, far, lost = self.ocr_component_pfl(component_bgr)
-        return B30OcrResultItem(
-            song_id=song_id,
+        return OcrScenarioResult(
+            song_id=song_id_results[0].image_id,
+            song_id_results=song_id_results,
             rating_class=rating_class,
-            # title=title,
             score=score,
             pure=pure,
             far=far,
             lost=lost,
-            date=None,
+            played_at=None,
         )
 
-    def ocr(self, img_bgr: Mat) -> List[B30OcrResultItem]:
-        self.set_factor(img_bgr)
-        return [
-            self.ocr_component(component_bgr)
-            for component_bgr in self.rois.components(img_bgr)
-        ]
+    def components(self, img: Mat, /):
+        """
+        :param img: BGR format image
+        """
+        self.set_factor(img)
+        return self.rois.components(img)
+
+    def result(self, component_img: Mat, /):
+        return self.ocr_component(component_img)
+
+    def results(self, img: Mat, /) -> List[OcrScenarioResult]:
+        """
+        :param img: BGR format image
+        """
+        return [self.ocr_component(component) for component in self.components(img)]

src/arcaea_offline_ocr/scenarios/b30/chieri/v4/rois.py

@@ -1,8 +1,7 @@
 from typing import List
 
-from ....crop import crop_xywh
-from ....types import Mat, XYWHRect
-from ....utils import apply_factor
+from arcaea_offline_ocr.crop import crop_xywh
+from arcaea_offline_ocr.types import Mat, XYWHRect
 
 
 class ChieriBotV4ComponentRois:
@@ -19,39 +18,39 @@ class ChieriBotV4ComponentRois:
 
     @property
     def top_font_color_detect(self):
-        return apply_factor(XYWHRect(35, 10, 120, 100), self.factor)
+        return XYWHRect(35, 10, 120, 100), self.factor
 
     @property
     def bottom_font_color_detect(self):
-        return apply_factor(XYWHRect(30, 125, 175, 110), self.factor)
+        return XYWHRect(30, 125, 175, 110) * self.factor
 
     @property
     def bg_point(self):
-        return apply_factor((75, 10), self.factor)
+        return (75 * self.factor, 10 * self.factor)
 
     @property
     def rating_class_rect(self):
-        return apply_factor(XYWHRect(21, 40, 7, 20), self.factor)
+        return XYWHRect(21, 40, 7, 20) * self.factor
 
     @property
     def title_rect(self):
-        return apply_factor(XYWHRect(35, 10, 430, 50), self.factor)
+        return XYWHRect(35, 10, 430, 50) * self.factor
 
     @property
     def jacket_rect(self):
-        return apply_factor(XYWHRect(263, 0, 239, 239), self.factor)
+        return XYWHRect(263, 0, 239, 239) * self.factor
 
     @property
     def score_rect(self):
-        return apply_factor(XYWHRect(30, 60, 270, 55), self.factor)
+        return XYWHRect(30, 60, 270, 55) * self.factor
 
     @property
     def pfl_rect(self):
-        return apply_factor(XYWHRect(50, 125, 80, 100), self.factor)
+        return XYWHRect(50, 125, 80, 100) * self.factor
 
     @property
     def date_rect(self):
-        return apply_factor(XYWHRect(205, 200, 225, 25), self.factor)
+        return XYWHRect(205, 200, 225, 25) * self.factor
 
 
 class ChieriBotV4Rois:
@@ -74,27 +73,27 @@ class ChieriBotV4Rois:
 
     @property
     def top(self):
-        return apply_factor(823, self.factor)
+        return 823 * self.factor
 
     @property
     def left(self):
-        return apply_factor(107, self.factor)
+        return 107 * self.factor
 
     @property
     def width(self):
-        return apply_factor(502, self.factor)
+        return 502 * self.factor
 
     @property
     def height(self):
-        return apply_factor(240, self.factor)
+        return 240 * self.factor
 
     @property
     def vertical_gap(self):
-        return apply_factor(74, self.factor)
+        return 74 * self.factor
 
     @property
     def horizontal_gap(self):
-        return apply_factor(40, self.factor)
+        return 40 * self.factor
 
     @property
     def horizontal_items(self):
@@ -104,7 +103,7 @@ class ChieriBotV4Rois:
 
     @property
     def b33_vertical_gap(self):
-        return apply_factor(121, self.factor)
+        return 121 * self.factor
 
     def components(self, img_bgr: Mat) -> List[Mat]:
         first_rect = XYWHRect(x=self.left, y=self.top, w=self.width, h=self.height)

src/arcaea_offline_ocr/utils.py

@@ -1,11 +1,6 @@
-from collections.abc import Iterable
-from typing import TypeVar, overload
-
 import cv2
 import numpy as np
 
-from .types import XYWHRect
-
 __all__ = ["imread_unicode"]
 
 
@@ -13,27 +8,3 @@ def imread_unicode(filepath: str, flags: int = cv2.IMREAD_UNCHANGED):
     # https://stackoverflow.com/a/57872297/16484891
     # CC BY-SA 4.0
     return cv2.imdecode(np.fromfile(filepath, dtype=np.uint8), flags)
-
-
-@overload
-def apply_factor(item: int, factor: float) -> float: ...
-
-
-@overload
-def apply_factor(item: float, factor: float) -> float: ...
-
-
-T = TypeVar("T", bound=Iterable)
-
-
-@overload
-def apply_factor(item: T, factor: float) -> T: ...
-
-
-def apply_factor(item, factor: float):
-    if isinstance(item, (int, float)):
-        return item * factor
-    if isinstance(item, XYWHRect):
-        return item.__class__(*[i * factor for i in item])
-    if isinstance(item, Iterable):
-        return item.__class__([i * factor for i in item])