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[jsinterp] Fix for youtube player c81bbb4a

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pukkandan 2022-08-16 06:53:45 +05:30
parent 5c6d2ef9d1
commit 6d3e7424bf
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3 changed files with 24 additions and 15 deletions
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5
test/test_jsinterp.py
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@ -212,6 +212,11 @@ def test_comma(self):
''') ''')
self.assertEqual(jsi.call_function('x'), 7) self.assertEqual(jsi.call_function('x'), 7)
jsi = JSInterpreter('''
function x() { return (l=[0,1,2,3], function(a, b){return a+b})((l[1], l[2]), l[3]) }
''')
self.assertEqual(jsi.call_function('x'), 5)
def test_void(self): def test_void(self):
jsi = JSInterpreter(''' jsi = JSInterpreter('''
function x() { return void 42; } function x() { return void 42; }

4
test/test_youtube_signature.py
View file

@ -102,6 +102,10 @@
'https://www.youtube.com/s/player/4c3f79c5/player_ias.vflset/en_US/base.js', 'https://www.youtube.com/s/player/4c3f79c5/player_ias.vflset/en_US/base.js',
'TDCstCG66tEAO5pR9o', 'dbxNtZ14c-yWyw', 'TDCstCG66tEAO5pR9o', 'dbxNtZ14c-yWyw',
), ),
(
'https://www.youtube.com/s/player/c81bbb4a/player_ias.vflset/en_US/base.js',
'gre3EcLurNY2vqp94', 'Z9DfGxWP115WTg',
),
] ]

30
yt_dlp/jsinterp.py
View file

@ -33,19 +33,19 @@
'==': operator.eq, '==': operator.eq,
'!=': operator.ne, '!=': operator.ne,
'<=': operator.le, '<=': lambda a, b: (a or 0) <= (b or 0),
'>=': operator.ge, '>=': lambda a, b: (a or 0) >= (b or 0),
'<': operator.lt, '<': lambda a, b: (a or 0) < (b or 0),
'>': operator.gt, '>': lambda a, b: (a or 0) > (b or 0),
'>>': operator.rshift, '>>': operator.rshift,
'<<': operator.lshift, '<<': operator.lshift,
'+': operator.add, '+': lambda a, b: (a or 0) + (b or 0),
'-': operator.sub, '-': lambda a, b: (a or 0) - (b or 0),
'*': operator.mul, '*': lambda a, b: (a or 0) * (b or 0),
'/': operator.truediv, '/': lambda a, b: (a or 0) / b,
'%': operator.mod, '%': operator.mod,
'**': operator.pow, '**': operator.pow,
@ -339,11 +339,12 @@ def interpret_statement(self, stmt, local_vars, allow_recursion=100):
# Comma separated statements # Comma separated statements
sub_expressions = list(self._separate(expr)) sub_expressions = list(self._separate(expr))
expr = sub_expressions.pop().strip() if sub_expressions else '' if len(sub_expressions) > 1:
for sub_expr in sub_expressions: for sub_expr in sub_expressions:
ret, should_abort = self.interpret_statement(sub_expr, local_vars, allow_recursion) ret, should_abort = self.interpret_statement(sub_expr, local_vars, allow_recursion)
if should_abort: if should_abort:
return ret, True return ret, True
return ret, False
for m in re.finditer(rf'''(?x) for m in re.finditer(rf'''(?x)
(?P<pre_sign>\+\+|--)(?P<var1>{_NAME_RE})| (?P<pre_sign>\+\+|--)(?P<var1>{_NAME_RE})|
@ -422,8 +423,7 @@ def interpret_statement(self, stmt, local_vars, allow_recursion=100):
if not separated: if not separated:
continue continue
left_val = self.interpret_expression(op.join(separated), local_vars, allow_recursion) left_val = self.interpret_expression(op.join(separated), local_vars, allow_recursion)
return self._operator(op, 0 if left_val is None else left_val, return self._operator(op, left_val, right_expr, expr, local_vars, allow_recursion), should_return
right_expr, expr, local_vars, allow_recursion), should_return
if m and m.group('attribute'): if m and m.group('attribute'):
variable = m.group('var') variable = m.group('var')