45 lines
923 B
Python
45 lines
923 B
Python
import re
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import js2py
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import base64
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brkregex = re.compile(r'\((?!\)|[\'\"])(.+?)(?<!\(|[\'\"])\)')
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def parse_brackets(f, arrow):
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match = brkregex.finditer(f)
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if not arrow:
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return match[0].group(1)
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for r in match:
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func = r.group(1)
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if '=>' in func:
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return func
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def to_ecma5_function(f):
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fnstart = f.find('{')+1
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fnend = f.rfind('}')
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f = arrow_conv(f[fnstart:fnend])
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return f
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def atob(s):
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return base64.standard_b64decode(str(s)).decode('utf-8')
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def arrow_conv(f):
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if '=>' in f:
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inner = parse_brackets(f)
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while brkregex.match(inner) != None:
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inner = parse_brackets(inner)
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func = re.sub(
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r'(\w+)\s*=>\s*(.+)',
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r'function(\1){return \2}', inner
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)
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start = f.find(inner)
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end = start + len(inner)
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f = f[:start] + func + f[end:]
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return f
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def exec(f):
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ctx = js2py.EvalJs({'atob': atob})
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ctx.execute(to_ecma5_function(f))
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return ctx
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