1 files changed, 61 insertions, 0 deletions
diff --git a/lib/spack/external/ruamel/yaml/loader.py b/lib/spack/external/ruamel/yaml/loader.py
new file mode 100644
index 0000000000..b5ba20a0a1
--- /dev/null
+++ b/lib/spack/external/ruamel/yaml/loader.py
@@ -0,0 +1,61 @@
+# coding: utf-8
+
+from __future__ import absolute_import
+
+__all__ = ['BaseLoader', 'SafeLoader', 'Loader', 'RoundTripLoader']
+
+try:
+    from .reader import *                                # NOQA
+    from .scanner import *                               # NOQA
+    from .parser import *                                # NOQA
+    from .composer import *                              # NOQA
+    from .constructor import *                           # NOQA
+    from .resolver import *                              # NOQA
+except (ImportError, ValueError):  # for Jython
+    from ruamel.yaml.reader import *                                # NOQA
+    from ruamel.yaml.scanner import *                               # NOQA
+    from ruamel.yaml.parser import *                                # NOQA
+    from ruamel.yaml.composer import *                              # NOQA
+    from ruamel.yaml.constructor import *                           # NOQA
+    from ruamel.yaml.resolver import *                              # NOQA
+
+
+class BaseLoader(Reader, Scanner, Parser, Composer, BaseConstructor, BaseResolver):
+    def __init__(self, stream, version=None, preserve_quotes=None):
+        Reader.__init__(self, stream)
+        Scanner.__init__(self)
+        Parser.__init__(self)
+        Composer.__init__(self)
+        BaseConstructor.__init__(self)
+        BaseResolver.__init__(self)
+
+
+class SafeLoader(Reader, Scanner, Parser, Composer, SafeConstructor, Resolver):
+    def __init__(self, stream, version=None, preserve_quotes=None):
+        Reader.__init__(self, stream)
+        Scanner.__init__(self)
+        Parser.__init__(self)
+        Composer.__init__(self)
+        SafeConstructor.__init__(self)
+        Resolver.__init__(self)
+
+
+class Loader(Reader, Scanner, Parser, Composer, Constructor, Resolver):
+    def __init__(self, stream, version=None, preserve_quotes=None):
+        Reader.__init__(self, stream)
+        Scanner.__init__(self)
+        Parser.__init__(self)
+        Composer.__init__(self)
+        Constructor.__init__(self)
+        Resolver.__init__(self)
+
+
+class RoundTripLoader(Reader, RoundTripScanner, RoundTripParser, Composer,
+                      RoundTripConstructor, VersionedResolver):
+    def __init__(self, stream, version=None, preserve_quotes=None):
+        Reader.__init__(self, stream)
+        RoundTripScanner.__init__(self)
+        RoundTripParser.__init__(self)
+        Composer.__init__(self)
+        RoundTripConstructor.__init__(self, preserve_quotes=preserve_quotes)
+        VersionedResolver.__init__(self, version)