X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/a6abd8dc822fb70852437ab5a77ced5f633739f8..83c8b40add31fb501d587b64fb17a936ffd5dbc5:/youtube_dl/jsinterp.py?ds=sidebyside diff --git a/youtube_dl/jsinterp.py b/youtube_dl/jsinterp.py index 453e273..a8df4ae 100644 --- a/youtube_dl/jsinterp.py +++ b/youtube_dl/jsinterp.py @@ -30,13 +30,10 @@ class JSInterpreter(object): def __init__(self, code, objects=None): if objects is None: objects = {} - self.code = self._remove_comments(code) + self.code = code self._functions = {} self._objects = objects - def _remove_comments(self, code): - return re.sub(r'(?s)/\*.*?\*/', '', code) - def interpret_statement(self, stmt, local_vars, allow_recursion=100): if allow_recursion < 0: raise ExtractorError('Recursion limit reached') @@ -201,12 +198,12 @@ class JSInterpreter(object): return opfunc(x, y) m = re.match( - r'^(?P%s)\((?P[a-zA-Z0-9_$,]+)\)$' % _NAME_RE, expr) + r'^(?P%s)\((?P[a-zA-Z0-9_$,]*)\)$' % _NAME_RE, expr) if m: fname = m.group('func') argvals = tuple([ int(v) if v.isdigit() else local_vars[v] - for v in m.group('args').split(',')]) + for v in m.group('args').split(',')]) if len(m.group('args')) > 0 else tuple() if fname not in self._functions: self._functions[fname] = self.extract_function(fname) return self._functions[fname](argvals) @@ -217,7 +214,7 @@ class JSInterpreter(object): obj = {} obj_m = re.search( (r'(?:var\s+)?%s\s*=\s*\{' % re.escape(objname)) + - r'\s*(?P([a-zA-Z$0-9]+\s*:\s*function\(.*?\)\s*\{.*?\})*)' + + r'\s*(?P([a-zA-Z$0-9]+\s*:\s*function\(.*?\)\s*\{.*?\}(?:,\s*)?)*)' + r'\}\s*;', self.code) fields = obj_m.group('fields') @@ -235,10 +232,10 @@ class JSInterpreter(object): def extract_function(self, funcname): func_m = re.search( r'''(?x) - (?:function\s+%s|[{;]%s\s*=\s*function)\s* + (?:function\s+%s|[{;,]\s*%s\s*=\s*function|var\s+%s\s*=\s*function)\s* \((?P[^)]*)\)\s* \{(?P[^}]+)\}''' % ( - re.escape(funcname), re.escape(funcname)), + re.escape(funcname), re.escape(funcname), re.escape(funcname)), self.code) if func_m is None: raise ExtractorError('Could not find JS function %r' % funcname)