diff env/lib/python3.9/site-packages/oyaml.py @ 0:4f3585e2f14b draft default tip

"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.9/site-packages/oyaml.py	Mon Mar 22 18:12:50 2021 +0000
@@ -0,0 +1,53 @@
+import platform
+import sys
+from collections import OrderedDict
+
+import yaml as pyyaml
+
+
+_items = "viewitems" if sys.version_info < (3,) else "items"
+_std_dict_is_order_preserving = sys.version_info >= (3, 7) or (
+    sys.version_info >= (3, 6) and platform.python_implementation() == "CPython"
+)
+
+
+def map_representer(dumper, data):
+    return dumper.represent_dict(getattr(data, _items)())
+
+
+def map_constructor(loader, node):
+    loader.flatten_mapping(node)
+    pairs = loader.construct_pairs(node)
+    try:
+        return OrderedDict(pairs)
+    except TypeError:
+        loader.construct_mapping(node)  # trigger any contextual error
+        raise
+
+
+_loaders = [getattr(pyyaml.loader, x) for x in pyyaml.loader.__all__]
+_dumpers = [getattr(pyyaml.dumper, x) for x in pyyaml.dumper.__all__]
+try:
+    _cyaml = pyyaml.cyaml.__all__
+except AttributeError:
+    pass
+else:
+    _loaders += [getattr(pyyaml.cyaml, x) for x in _cyaml if x.endswith("Loader")]
+    _dumpers += [getattr(pyyaml.cyaml, x) for x in _cyaml if x.endswith("Dumper")]
+
+Dumper = None
+for Dumper in _dumpers:
+    pyyaml.add_representer(dict, map_representer, Dumper=Dumper)
+    pyyaml.add_representer(OrderedDict, map_representer, Dumper=Dumper)
+
+Loader = None
+if not _std_dict_is_order_preserving:
+    for Loader in _loaders:
+        pyyaml.add_constructor("tag:yaml.org,2002:map", map_constructor, Loader=Loader)
+
+
+# Merge PyYAML namespace into ours.
+# This allows users a drop-in replacement:
+#   import oyaml as yaml
+del map_constructor, map_representer, Loader, Dumper
+from yaml import *