python篇---报错ImportError: The _imagingft C module is not installed

@ python篇—报错ImportError: The _imagingft C module is not installed

Traceback (most recent call last):
  File "app_test_time.py", line 162, in <module>
    write()
  File "app_test_time.py", line 139, in write
    start_consume(frame, img_name)
  File "/home/nvidia/app/yolov5/utils/utils_handle.py", line 101, in start_consume
    re_image, result_list = yolo.detect_image(frame)
  File "/home/nvidia/app/yolov5/yolo.py", line 176, in detect_image
    font        = ImageFont.truetype(font=FONT_PATH, size=np.floor(3e-2 * image.size[1] + 0.5).astype('int32'))
  File "/home/nvidia/.local/lib/python3.6/site-packages/PIL/ImageFont.py", line 855, in truetype
    return freetype(font)
  File "/home/nvidia/.local/lib/python3.6/site-packages/PIL/ImageFont.py", line 852, in freetype
    return FreeTypeFont(font, size, index, encoding, layout_engine)
  File "/home/nvidia/.local/lib/python3.6/site-packages/PIL/ImageFont.py", line 187, in __init__
    if core.HAVE_RAQM:
  File "/home/nvidia/.local/lib/python3.6/site-packages/PIL/ImageFont.py", line 44, in __getattr__
    raise ImportError("The _imagingft C module is not installed")
ImportError: The _imagingft C module is not installed

Nvidia Jetson报错解决

解决报错如下：

sudo apt install libxft-dev libjpeg-dev libpng-dev

# 1.先卸载pillow
pip3 uninstall pillow
# 然后重新安装pillow 
# 最后在安装pillow时，加上 --no-cache-dir参数：
pip3 install pillow --no-cache-dir

参考：

• https://www.jianshu.com/p/9752fce9c06d