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- import matplotlib
- import matplotlib.pyplot as plt
- from matplotlib.font_manager import FontProperties, fontManager
- from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController
- def set_chinese_font():
- to_find_fonts = [
- "PingFang SC",
- "SimHei",
- "Microsoft YaHei",
- "STSong",
- "SimSun",
- "Arial Unicode MS",
- "Noto Sans CJK SC",
- "Noto Sans CJK JP",
- ]
- installed_fonts = frozenset(fontInfo.name for fontInfo in fontManager.ttflist)
- for font in to_find_fonts:
- if font in installed_fonts:
- return FontProperties(font)
- return FontProperties()
- # use non-interactive backend to prevent `RuntimeError: main thread is not in main loop`
- matplotlib.use("Agg")
- # use a business theme
- plt.style.use("seaborn-v0_8-darkgrid")
- plt.rcParams["axes.unicode_minus"] = False
- font_properties = set_chinese_font()
- plt.rcParams["font.family"] = font_properties.get_name()
- class ChartProvider(BuiltinToolProviderController):
- def _validate_credentials(self, credentials: dict) -> None:
- pass
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