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- from matplotlib.font_manager import FontProperties
- # Attributes on FontProperties object to check for consistency
- keys = [
- "get_family",
- "get_style",
- "get_variant",
- "get_weight",
- "get_size",
- ]
- def test_fontconfig_pattern():
- "Test converting a FontProperties to string then back."
- # Defaults
- test = "defaults "
- f1 = FontProperties()
- s = str(f1)
- f2 = FontProperties(s)
- for k in keys:
- assert getattr(f1, k)() == getattr(f2, k)(), test + k
- # Basic inputs
- test = "basic "
- f1 = FontProperties(family="serif", size=20, style="italic")
- s = str(f1)
- f2 = FontProperties(s)
- for k in keys:
- assert getattr(f1, k)() == getattr(f2, k)(), test + k
- # Full set of inputs.
- test = "full "
- f1 = FontProperties(family="sans-serif", size=24, weight="bold",
- style="oblique", variant="small-caps",
- stretch="expanded")
- s = str(f1)
- f2 = FontProperties(s)
- for k in keys:
- assert getattr(f1, k)() == getattr(f2, k)(), test + k
- def test_fontconfig_str():
- "Test FontProperties string conversions for correctness"
- # Known good strings taken from actual font config specs on a linux box
- # and modified for MPL defaults.
- # Default values found by inspection.
- test = "defaults "
- s = ("sans\\-serif:style=normal:variant=normal:weight=normal"
- ":stretch=normal:size=12.0")
- font = FontProperties(s)
- right = FontProperties()
- for k in keys:
- assert getattr(font, k)() == getattr(right, k)(), test + k
- test = "full "
- s = ("serif:size=24:style=oblique:variant=small-caps:weight=bold"
- ":stretch=expanded")
- font = FontProperties(s)
- right = FontProperties(family="serif", size=24, weight="bold",
- style="oblique", variant="small-caps",
- stretch="expanded")
- for k in keys:
- assert getattr(font, k)() == getattr(right, k)(), test + k
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