diff options
| -rw-r--r-- | test/test_jsinterp.py | 3 | ||||
| -rw-r--r-- | test/test_youtube_signature.py | 8 | ||||
| -rw-r--r-- | youtube_dl/jsinterp.py | 12 |
3 files changed, 16 insertions, 7 deletions
diff --git a/test/test_jsinterp.py b/test/test_jsinterp.py index a8f312fde..1cc148b15 100644 --- a/test/test_jsinterp.py +++ b/test/test_jsinterp.py @@ -516,6 +516,9 @@ class TestJSInterpreter(unittest.TestCase): jsi = JSInterpreter('function x(){return 42 << NaN}') self.assertEqual(jsi.call_function('x'), 42) + jsi = JSInterpreter('function x(){return 42 << Infinity}') + self.assertEqual(jsi.call_function('x'), 42) + def test_32066(self): jsi = JSInterpreter("function x(){return Math.pow(3, 5) + new Date('1970-01-01T08:01:42.000+08:00') / 1000 * -239 - -24205;}") self.assertEqual(jsi.call_function('x'), 70) diff --git a/test/test_youtube_signature.py b/test/test_youtube_signature.py index decf7ee38..d41d708a0 100644 --- a/test/test_youtube_signature.py +++ b/test/test_youtube_signature.py @@ -143,6 +143,14 @@ _NSIG_TESTS = [ 'https://www.youtube.com/s/player/dac945fd/player_ias.vflset/en_US/base.js', 'o8BkRxXhuYsBCWi6RplPdP', '3Lx32v_hmzTm6A', ), + ( + 'https://www.youtube.com/s/player/6f20102c/player_ias.vflset/en_US/base.js', + 'lE8DhoDmKqnmJJ', 'pJTTX6XyJP2BYw', + ), + ( + 'https://www.youtube.com/s/player/cfa9e7cb/player_ias.vflset/en_US/base.js', + 'qO0NiMtYQ7TeJnfFG2', 'k9cuJDHNS5O7kQ', + ), ] diff --git a/youtube_dl/jsinterp.py b/youtube_dl/jsinterp.py index f837865c4..dc580943e 100644 --- a/youtube_dl/jsinterp.py +++ b/youtube_dl/jsinterp.py @@ -2,7 +2,6 @@ from __future__ import unicode_literals import itertools import json -import math import operator import re @@ -52,6 +51,10 @@ def wraps_op(op): return update_and_rename_wrapper +# NB In principle NaN cannot be checked by membership. +# Here all NaN values are actually this one, so _NaN is _NaN, +# although _NaN != _NaN. + _NaN = float('nan') @@ -126,13 +129,8 @@ def _js_comp_op(op): def _js_ternary(cndn, if_true=True, if_false=False): """Simulate JS's ternary operator (cndn?if_true:if_false)""" - if cndn in (False, None, 0, '', JS_Undefined): + if cndn in (False, None, 0, '', JS_Undefined, _NaN): return if_false - try: - if math.isnan(cndn): # NB: NaN cannot be checked by membership - return if_false - except TypeError: - pass return if_true |