使用phantomjs将pyecharts生成的html渲染为png

$ pip install snapshot-phantomjs

from pyecharts import options as opts
from pyecharts.charts import Bar
from pyecharts.render import make_snapshot

from snapshot_phantomjs import snapshot

def bar_chart() -> Bar:
    c = (
        Bar()
        .add_xaxis(["衬衫", "毛衣", "领带", "裤子", "风衣", "高跟鞋", "袜子"])
        .add_yaxis("商家A", [114, 55, 27, 101, 125, 27, 105])
        .add_yaxis("商家B", [57, 134, 137, 129, 145, 60, 49])
        .reversal_axis()
        .set_series_opts(label_opts=opts.LabelOpts(position="right"))
        .set_global_opts(title_opts=opts.TitleOpts(title="Bar-测试渲染图片"))
    )
    return c

make_snapshot(snapshot, bar_chart().render(), "bar0.png")

从此，我过上了高枕无忧的生活……

不过，好景不长。过了一段高枕无忧的生活之后，日报就不发了。不过我依然我行我素，完全不考虑各位领导的感受。（其实是没时间）
最近，我有条件了，开始排查……发现这次日报的报错，我根本无从下手。不管是咨询资深的聪兄，还是资浅的辉明。我都是一筹莫展。作为一名资深的搬运工，我最擅长的是换过几种渲染的方式，和几台linux服务器，几个版本的Python，而不是从源码里面追诉问题。不过，意料之中，报错始终如一。

Traceback (most recent call last):
  File "/root/snapshot-phantomjs_test.py", line 19, in <module>
    make_snapshot(snapshot, bar_chart().render(), "bar0.png")
  File "/usr/local/lib/python3.9/site-packages/pyecharts/render/snapshot.py", line 45, in make_snapshot
    raise OSError(content_array)
OSError: ["ReferenceError: Can't find variable: echarts\n\n  file:////root/render.html:12 in global code\nReferenceError: Can't find variable: echarts\n\n  undefined:1\nnull\n"]

file_path = "{}/".format(os.path.dirname(os.path.abspath("/root/echarts.min.js")))

Bar(init_opts=opts.InitOpts(js_host=file_path))