lpc43xx: Move YAML OrderedDict code to separate module

scripts/data/lpc43xx/csv2yaml.py

@@ -4,40 +4,7 @@ import sys
 import yaml
 import csv
 from collections import OrderedDict
-
-def repr_odict(dumper, data):
-    """
-    >>> data = OrderedDict([('foo', 'bar'), ('mumble', 'quux'), ('baz', 'gorp')])
-    >>> yaml.dump(data, default_flow_style=False)
-    '!!omap\\n- foo: bar\\n- mumble: quux\\n- baz: gorp\\n'
-    >>> yaml.dump(data, default_flow_style=True)
-    '!!omap [foo: bar, mumble: quux, baz: gorp]\\n'
-    """
-    return repr_pairs(dumper, u'tag:yaml.org,2002:omap', data.iteritems())
- 
-yaml.add_representer(OrderedDict, repr_odict)
- 
-def repr_pairs(dump, tag, sequence, flow_style=None):
-    """This is the same code as BaseRepresenter.represent_sequence(),
-    but the value passed to dump.represent_data() in the loop is a
-    dictionary instead of a tuple."""
- 
-    value = []
-    node = yaml.SequenceNode(tag, value, flow_style=flow_style)
-    if dump.alias_key is not None:
-        dump.represented_objects[dump.alias_key] = node
-    best_style = True
-    for (key, val) in sequence:
-        item = dump.represent_data({key: val})
-        if not (isinstance(item, yaml.ScalarNode) and not item.style):
-            best_style = False
-        value.append(item)
-    if flow_style is None:
-        if dump.default_flow_style is not None:
-            node.flow_style = dump.default_flow_style
-        else:
-            node.flow_style = best_style
-    return node
+import yaml_odict
  
 def convert_file(fname):
     reader = csv.reader(open(fname, 'r'))