Configuration: Added a new module for generating the default config file

This commit also adds a missing scription to the `csv` result processor

wlauto/core/configuration/default.py

@@ -0,0 +1,42 @@
+from wlauto.core.configuration.configuration import WAConfiguration, RunConfiguration
+from wlauto.core.configuration.plugin_cache import PluginCache
+from wlauto.utils.serializer import yaml
+from wlauto.utils.doc import strip_inlined_text
+
+DEFAULT_INSTRUMENTS = ['execution_time',
+                       'interrupts',
+                       'cpufreq',
+                       'status',
+                       'standard',
+                       'csv']
+
+
+def _format_yaml_comment(param, short_description=False):
+    comment = param.description
+    comment = strip_inlined_text(comment)
+    if short_description:
+        comment = comment.split('\n\n')[0]
+    comment = comment.replace('\n', '\n# ')
+    comment = "# {}\n".format(comment)
+    return comment
+
+
+def _format_instruments(output):
+    plugin_cache = PluginCache()
+    output.write("instrumentation:\n")
+    for plugin in DEFAULT_INSTRUMENTS:
+        plugin_cls = plugin_cache.loader.get_plugin_class(plugin)
+        output.writelines(_format_yaml_comment(plugin_cls, short_description=True))
+        output.write(" - {}\n".format(plugin))
+        output.write("\n")
+
+
+def generate_default_config(path):
+    with open(path, 'w') as output:
+        for param in WAConfiguration.config_points + RunConfiguration.config_points:
+            entry = {param.name: param.default}
+            comment = _format_yaml_comment(param)
+            output.writelines(comment)
+            yaml.dump(entry, output, default_flow_style=False)
+            output.write("\n")
+        _format_instruments(output)

wlauto/result_processors/standard.py

@@ -56,14 +56,14 @@ class StandardProcessor(ResultProcessor):
 
 
 class CsvReportProcessor(ResultProcessor):
-    """
+
+    name = 'csv'
+    description = """
     Creates a ``results.csv`` in the output directory containing results for
     all iterations in CSV format, each line containing a single metric.
 
     """
 
-    name = 'csv'
-
     parameters = [
         Parameter('use_all_classifiers', kind=bool, default=False,
                   global_alias='use_all_classifiers',