1 files changed, 120 insertions, 0 deletions
diff --git a/lib/spack/external/ruamel/yaml/compat.py b/lib/spack/external/ruamel/yaml/compat.py
new file mode 100644
index 0000000000..6eee151c51
--- /dev/null
+++ b/lib/spack/external/ruamel/yaml/compat.py
@@ -0,0 +1,120 @@
+# coding: utf-8
+
+from __future__ import print_function
+
+# partially from package six by Benjamin Peterson
+
+import sys
+import os
+import types
+
+try:
+    from ruamel.ordereddict import ordereddict
+except:
+    try:
+        from collections import OrderedDict  # nopyqver
+    except ImportError:
+        from ordereddict import OrderedDict
+    # to get the right name import ... as ordereddict doesn't do that
+
+    class ordereddict(OrderedDict):
+        if not hasattr(OrderedDict, 'insert'):
+            def insert(self, pos, key, value):
+                if pos >= len(self):
+                    self[key] = value
+                    return
+                od = ordereddict()
+                od.update(self)
+                for k in od:
+                    del self[k]
+                for index, old_key in enumerate(od):
+                    if pos == index:
+                        self[key] = value
+                    self[old_key] = od[old_key]
+
+
+PY2 = sys.version_info[0] == 2
+PY3 = sys.version_info[0] == 3
+
+if PY3:
+    def utf8(s):
+        return s
+
+    def to_str(s):
+        return s
+
+    def to_unicode(s):
+        return s
+
+else:
+    def utf8(s):
+        return s.encode('utf-8')
+
+    def to_str(s):
+        return str(s)
+
+    def to_unicode(s):
+        return unicode(s)
+
+if PY3:
+    string_types = str,
+    integer_types = int,
+    class_types = type,
+    text_type = str
+    binary_type = bytes
+
+    MAXSIZE = sys.maxsize
+    unichr = chr
+    import io
+    StringIO = io.StringIO
+    BytesIO = io.BytesIO
+
+else:
+    string_types = basestring,
+    integer_types = (int, long)
+    class_types = (type, types.ClassType)
+    text_type = unicode
+    binary_type = str
+
+    unichr = unichr  # to allow importing
+    import StringIO
+    StringIO = StringIO.StringIO
+    import cStringIO
+    BytesIO = cStringIO.StringIO
+
+if PY3:
+    builtins_module = 'builtins'
+else:
+    builtins_module = '__builtin__'
+
+
+def with_metaclass(meta, *bases):
+    """Create a base class with a metaclass."""
+    return meta("NewBase", bases, {})
+
+DBG_TOKEN = 1
+DBG_EVENT = 2
+DBG_NODE = 4
+
+
+_debug = None
+
+
+# used from yaml util when testing
+def dbg(val=None):
+    global _debug
+    if _debug is None:
+        # set to true or false
+        _debug = os.environ.get('YAMLDEBUG')
+        if _debug is None:
+            _debug = 0
+        else:
+            _debug = int(_debug)
+    if val is None:
+        return _debug
+    return _debug & val
+
+
+def nprint(*args, **kw):
+    if dbg:
+        print(*args, **kw)