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stbi/Lib/site-packages/setuptools/py33compat.py

+import dis
+import array
+import collections
+
+try:
+    import html
+except ImportError:
+    html = None
+
+from setuptools.extern import six
+from setuptools.extern.six.moves import html_parser
+
+__metaclass__ = type
+
+OpArg = collections.namedtuple('OpArg', 'opcode arg')
+
+
+class Bytecode_compat:
+    def __init__(self, code):
+        self.code = code
+
+    def __iter__(self):
+        """Yield '(op,arg)' pair for each operation in code object 'code'"""
+
+        bytes = array.array('b', self.code.co_code)
+        eof = len(self.code.co_code)
+
+        ptr = 0
+        extended_arg = 0
+
+        while ptr < eof:
+
+            op = bytes[ptr]
+
+            if op >= dis.HAVE_ARGUMENT:
+
+                arg = bytes[ptr + 1] + bytes[ptr + 2] * 256 + extended_arg
+                ptr += 3
+
+                if op == dis.EXTENDED_ARG:
+                    long_type = six.integer_types[-1]
+                    extended_arg = arg * long_type(65536)
+                    continue
+
+            else:
+                arg = None
+                ptr += 1
+
+            yield OpArg(op, arg)
+
+
+Bytecode = getattr(dis, 'Bytecode', Bytecode_compat)
+
+
+unescape = getattr(html, 'unescape', None)
+if unescape is None:
+    # HTMLParser.unescape is deprecated since Python 3.4, and will be removed
+    # from 3.9.
+    unescape = html_parser.HTMLParser().unescape