async preset_fonts

langgenius · Nov 28, 2024 · 612a11b · 612a11b
1 parent 510763d
commit 612a11b
Showing 1 changed file with 17 additions and 10 deletions.
diff --git a/api/core/tools/provider/builtin/chart/chart.py b/api/core/tools/provider/builtin/chart/chart.py
@@ -1,11 +1,11 @@
-import matplotlib
-import matplotlib.pyplot as plt
-from matplotlib.font_manager import FontProperties, fontManager
+from threading import Thread
 
 from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController
 
 
 def set_chinese_font():
+    from matplotlib.font_manager import FontProperties, fontManager
+
     to_find_fonts = [
         "PingFang SC",
         "SimHei",
@@ -24,13 +24,20 @@ def set_chinese_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()
+def preset_fonts():
+    import matplotlib
+    import matplotlib.pyplot as plt
+
+    # 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()
+
+
+Thread(target=preset_fonts, name="preset_fonts", daemon=True).start()
 
 
 class ChartProvider(BuiltinToolProviderController):