Add some pretty formating helper functions

mylib/__init__.py

@@ -0,0 +1,27 @@
+#
+# Pretty formating helpers
+#
+def pretty_format_value(value, encoding='utf8'):
+    if isinstance(value, dict):
+        return pretty_format_dict(value)
+    if isinstance(value, list):
+        return ",".join([pretty_format_value(x) for x in value])
+    elif isinstance(value, bytes):
+        return "'%s'" % value.decode(encoding, errors='replace')
+    elif isinstance(value, str):
+        return "'%s'" % value
+    return str(value)
+
+
+def pretty_format_dict(attrs):
+    result = []
+    for attr in sorted(attrs.keys()):
+        result.append(" - %s : %s" % (attr, pretty_format_value(attrs[attr])))
+    return "\n".join(result)
+
+
+def pretty_format_list(row):
+    result = []
+    for idx, values in enumerate(row):
+        result.append(" - #%s : %s" % (idx, pretty_format_value(values)))
+    return "\n".join(result)