解析树莓派Base64图片上报

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd, json, base64
    devs_csv = open_url(____).read()
    devs = pd.read_csv(StringIO(____))
    def parse_image_upload(____):
        p = json.loads(____)
        b64 = p.get(____)
        try:
            img_bytes = base64.b64decode(____)
            is_valid = len(____) > ____
        except Exception:
            is_valid = False; img_bytes = b'____'
        return {'____':p['____'],'____':is_valid,'____':len(____)}
    payloads = [
        '____',
        '____',
        '____',
    ]
    for p in payloads:
        r = parse_image_upload(____)
        print(r['____'] + "____" + str(____) + "____" + str(____) + "____")