Now that there is a unicode symbol for half stars, use it

imgsrc/calibreSymbols.spd

@@ -1,4 +1,4 @@
-SplineFontDB: 3.0
+SplineFontDB: 3.2
 FontName: calibreSymbols
 FullName: calibre Symbols
 FamilyName: calibre Symbols
@@ -22,7 +22,7 @@ OS2Version: 0
 OS2_WeightWidthSlopeOnly: 0
 OS2_UseTypoMetrics: 1
 CreationTime: 1330331997
-ModificationTime: 1472969125
+ModificationTime: 1589697584
 OS2TypoAscent: 0
 OS2TypoAOffset: 1
 OS2TypoDescent: 0
@@ -41,14 +41,14 @@ DEI: 91125
 Encoding: UnicodeFull
 UnicodeInterp: none
 NameList: Adobe Glyph List
-DisplaySize: -24
+DisplaySize: -72
 AntiAlias: 1
 FitToEm: 1
 WidthSeparation: 150
-WinInfo: 0 152 34
+WinInfo: 11152 34 12
 BeginPrivate: 0
 EndPrivate
-BeginChars: 1114112 4
+BeginChars: 1114112 5
 
 StartChar: uni2605
 Encoding: 9733 9733 0
@@ -177,6 +177,36 @@ SplineSet
  452.702 647.221 458.162 649.834 466.134 649.834 c 4
  474.454 649.834 466.134 74.71 466.134 74.71 c 1
 EndSplineSet
+Validated: 33
+EndChar
+
+StartChar: uni2BE8
+Encoding: 11240 11240 4
+Width: 979
+VWidth: -26
+Flags: W
+LayerCount: 2
+Fore
+SplineSet
+466.134 74.71 m 1
+ 320.554 -51.8184 l 2
+ 274.802 -91.5547 249.758 -112.902 245.426 -115.866 c 0
+ 241.092 -118.828 236.846 -120.31 232.688 -120.31 c 0
+ 227.835 -120.31 223.415 -118.306 219.429 -114.297 c 0
+ 215.442 -110.289 213.449 -105.844 213.449 -100.965 c 0
+ 213.449 -97.8281 223.329 -71.3379 243.087 -21.4932 c 2
+ 322.115 180.323 l 1
+ 152.618 289.598 l 2
+ 104.783 320.271 79.2217 337.176 75.9297 340.313 c 0
+ 72.6357 343.45 70.9893 347.981 70.9893 353.907 c 0
+ 70.9893 369.243 79.8291 376.912 97.5059 376.912 c 0
+ 98.8926 376.912 123.155 374.82 170.296 370.638 c 2
+ 379.825 352.862 l 1
+ 427.14 555.201 l 2
+ 439.271 607.834 446.811 636.764 449.757 641.992 c 0
+ 452.702 647.221 458.162 649.834 466.134 649.834 c 4
+ 474.454 649.834 466.134 74.71 466.134 74.71 c 1
+EndSplineSet
 Validated: 524321
 EndChar
 EndChars

src/calibre/ebooks/metadata/__init__.py

@@ -432,7 +432,7 @@ def check_doi(doi):
     return None
 
 
-def rating_to_stars(value, allow_half_stars=False, star='★', half='½'):
+def rating_to_stars(value, allow_half_stars=False, star='★', half='⯨'):
     r = max(0, min(int(value or 0), 10))
     ans = star * (r // 2)
     if allow_half_stars and r % 2:

src/calibre/gui2/preferences/create_custom_column.py

@@ -361,7 +361,7 @@ class CreateCustomColumn(QDialog):
 
         # Rating allow half stars
         self.allow_half_stars = ahs = QCheckBox(_('Allow half stars'))
-        ahs.setToolTip(_('Allow half star ratings, for example: ') + '<span style="font-family:calibre Symbols">★★★½</span>')
+        ahs.setToolTip(_('Allow half star ratings, for example: ') + '★★★⯨')
         add_row(None, ahs)
 
         # Composite display properties

src/calibre/utils/fonts/utils.py

@@ -463,7 +463,7 @@ def test_glyph_ids():
 
 def test_supports_text():
     data = P('fonts/calibreSymbols.otf', data=True)
-    if not supports_text(data, '.★½'):
+    if not supports_text(data, '.★½⯨'):
         raise RuntimeError('Incorrectly returning that text is not supported')
     if supports_text(data, 'abc'):
         raise RuntimeError('Incorrectly claiming that text is supported')

src/pyj/test_utils.pyj

@@ -8,7 +8,7 @@ from utils import fmt_sidx, human_readable, rating_to_stars
 
 @test
 def misc_utils():
-    assert_equal(rating_to_stars(3, True), '★½')
+    assert_equal(rating_to_stars(3, True), '★⯨')
     assert_equal(fmt_sidx(10), 'X')
     assert_equal(fmt_sidx(1.2), '1.20')
     assert_equal(list(map(human_readable, [1, 1024.0, 1025, 1024*1024*2.3])), ["1 B", "1 KB", "1 KB", "2.3 MB"])

src/pyj/utils.pyj

@@ -121,7 +121,7 @@ def fmt_sidx(val, fmt='{:.2f}', use_roman=True):
         return int(val) + ''
     return fmt.format(float(val))
 
-def rating_to_stars(value, allow_half_stars=False, star='★', half='½'):
+def rating_to_stars(value, allow_half_stars=False, star='★', half='⯨'):
     r = max(0, min(int(value or 0), 10))
     if allow_half_stars:
         ans = star.repeat(r // 2)