add a font for google collab

modules/shared.py

@@ -66,6 +66,16 @@ state = State()
 artist_db = modules.artists.ArtistsDatabase(os.path.join(script_path, 'artists.csv'))
 
 
+def find_any_font():
+    fonts = ['/usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf']
+
+    for font in fonts:
+        if os.path.exists(font):
+            return font
+
+    return "arial.ttf"
+
+
 class Options:
     class OptionInfo:
         def __init__(self, default=None, label="", component=None, component_args=None):
@@ -97,7 +107,7 @@ class Options:
         "jpeg_quality": OptionInfo(80, "Quality for saved jpeg images", gr.Slider, {"minimum": 1, "maximum": 100, "step": 1}),
         "export_for_4chan": OptionInfo(True, "If PNG image is larger than 4MB or any dimension is larger than 4000, downscale and save copy as JPG"),
         "enable_pnginfo": OptionInfo(True, "Save text information about generation parameters as chunks to png files"),
-        "font": OptionInfo("arial.ttf", "Font for image grids  that have text"),
+        "font": OptionInfo(find_any_font(), "Font for image grids  that have text"),
         "enable_emphasis": OptionInfo(True, "Use (text) to make model pay more attention to text text and [text] to make it pay less attention"),
         "save_txt": OptionInfo(False, "Create a text file next to every image with generation parameters."),
         "ESRGAN_tile": OptionInfo(192, "Tile size for ESRGAN upscaling. 0 = no tiling.", gr.Slider, {"minimum": 0, "maximum": 512, "step": 16}),