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https://github.com/ytdl-org/youtube-dl.git
synced 2024-01-07 17:16:08 +00:00
parent
195f22f679
commit
14ef89a8da
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@ -158,6 +158,38 @@ class TestJSInterpreter(unittest.TestCase):
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self.assertEqual(jsi.call_function('z'), 5)
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self.assertEqual(jsi.call_function('y'), 2)
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def test_if(self):
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jsi = JSInterpreter('''
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function x() {
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let a = 9;
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if (0==0) {a++}
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return a
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}''')
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self.assertEqual(jsi.call_function('x'), 10)
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jsi = JSInterpreter('''
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function x() {
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if (0==0) {return 10}
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}''')
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self.assertEqual(jsi.call_function('x'), 10)
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jsi = JSInterpreter('''
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function x() {
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if (0!=0) {return 1}
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else {return 10}
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}''')
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self.assertEqual(jsi.call_function('x'), 10)
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""" # Unsupported
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jsi = JSInterpreter('''
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function x() {
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if (0!=0) {return 1}
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else if (1==0) {return 2}
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else {return 10}
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}''')
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self.assertEqual(jsi.call_function('x'), 10)
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"""
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def test_for_loop(self):
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# function x() { a=0; for (i=0; i-10; i++) {a++} a }
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jsi = JSInterpreter('''
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@ -135,6 +135,10 @@ _NSIG_TESTS = [
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'https://www.youtube.com/s/player/5a3b6271/player_ias.vflset/en_US/base.js',
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'B2j7f_UPT4rfje85Lu_e', 'm5DmNymaGQ5RdQ',
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),
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(
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'https://www.youtube.com/s/player/dac945fd/player_ias.vflset/en_US/base.js',
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'o8BkRxXhuYsBCWi6RplPdP', '3Lx32v_hmzTm6A',
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),
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]
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@ -214,7 +214,7 @@ class JSInterpreter(object):
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def __init__(self, msg, *args, **kwargs):
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expr = kwargs.pop('expr', None)
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if expr is not None:
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msg = '{0} in: {1!r:.100}'.format(msg.rstrip(), expr)
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msg = '{0} in: {1!r}'.format(msg.rstrip(), expr[:100])
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super(JSInterpreter.Exception, self).__init__(msg, *args, **kwargs)
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@classmethod
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@ -268,7 +268,7 @@ class JSInterpreter(object):
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elif in_quote == '/' and char in '[]':
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in_regex_char_group = char == '['
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escaping = not escaping and in_quote and char == '\\'
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after_op = not in_quote and (char in cls.OP_CHARS or char == '[' or (char.isspace() and after_op))
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after_op = not in_quote and (char in cls.OP_CHARS or (char.isspace() and after_op))
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if char != delim[pos] or any(counters.values()) or in_quote:
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pos = skipping = 0
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@ -301,7 +301,7 @@ class JSInterpreter(object):
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separated = list(cls._separate(expr, delim, 1))
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if len(separated) < 2:
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raise cls.Exception('No terminating paren {delim} in {expr:.100}'.format(**locals()))
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raise cls.Exception('No terminating paren {delim} in {expr}'.format(**locals()))
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return separated[0][1:].strip(), separated[1].strip()
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@staticmethod
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@ -428,10 +428,25 @@ class JSInterpreter(object):
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m = re.match(r'''(?x)
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(?P<try>try)\s*\{|
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(?P<if>if)\s*\(|
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(?P<switch>switch)\s*\(|
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(?P<for>for)\s*\(
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''', expr)
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md = m.groupdict() if m else {}
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if md.get('if'):
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cndn, expr = self._separate_at_paren(expr[m.end() - 1:])
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if_expr, expr = self._separate_at_paren(expr.lstrip())
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# TODO: "else if" is not handled
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else_expr = None
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m = re.match(r'else\s*{', expr)
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if m:
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else_expr, expr = self._separate_at_paren(expr[m.end() - 1:])
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cndn = _js_ternary(self.interpret_expression(cndn, local_vars, allow_recursion))
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ret, should_abort = self.interpret_statement(
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if_expr if cndn else else_expr, local_vars, allow_recursion)
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if should_abort:
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return ret, True
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if md.get('try'):
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try_expr, expr = self._separate_at_paren(expr[m.end() - 1:])
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err = None
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