Function generate_fontconfig_pattern

lib/matplotlib/_fontconfig_pattern.py:103–111

Convert a `.FontProperties` to a fontconfig pattern string.

(d)

def generate_fontconfig_pattern(d):
    """Convert a `.FontProperties` to a fontconfig pattern string."""
    kvs = [(k, getattr(d, f"get_{k}")())
           for k in ["style", "variant", "weight", "stretch", "file", "size"]]
    # Families is given first without a leading keyword.  Other entries (which
    # are necessarily scalar) are given as key=value, skipping Nones.
    return (",".join(_family_escape(f) for f in d.get_family())
            + "".join(f":{k}={_value_escape(str(v))}"
                      for k, v in kvs if v is not None))