Improve Windows support

trains/backend_interface/metrics/events.py

@@ -87,6 +87,9 @@ class MetricsEventAdapter(object):
         """ Get information for a file that should be uploaded before this event is sent """
         pass
 
+    def get_iteration(self):
+        return self._iter
+
     def update(self, task=None, **kwargs):
         """ Update event properties """
         if task:
@@ -175,6 +178,10 @@ class UploadEvent(MetricsEventAdapter):
     _metric_counters_lock = Lock()
     _image_file_history_size = int(config.get('metrics.file_history_size', 5))
 
+    @staticmethod
+    def _replace_slash(part):
+        return part.replace('\\', '/').strip('/').replace('/', '.slash.')
+
     def __init__(self, metric, variant, image_data, local_image_path=None, iter=0, upload_uri=None,
                  image_file_history_size=None, delete_after_upload=False, **kwargs):
         # param override_filename: override uploaded file name (notice extension will be added from local path
@@ -194,6 +201,11 @@ class UploadEvent(MetricsEventAdapter):
                 self._filename = '%s_%s_%08d' % (metric, variant, self._count)
             else:
                 self._filename = '%s_%s_%08d' % (metric, variant, self._count % image_file_history_size)
+
+        # make sure we have to '/' in the filename because it might access other folders,
+        # and we don't want that to occur
+        self._filename = self._replace_slash(self._filename)
+
         self._upload_uri = upload_uri
         self._delete_after_upload = delete_after_upload
 
@@ -288,7 +300,8 @@ class UploadEvent(MetricsEventAdapter):
         filename = self._upload_filename
         if self._override_storage_key_prefix or not storage_key_prefix:
             storage_key_prefix = self._override_storage_key_prefix
-        key = '/'.join(x for x in (storage_key_prefix, self.metric, self.variant, filename.strip('/')) if x)
+        key = '/'.join(x for x in (storage_key_prefix, self._replace_slash(self.metric),
+                                   self._replace_slash(self.variant), self._replace_slash(filename)) if x)
         url = '/'.join(x.strip('/') for x in (e_storage_uri, key))
         # make sure we preserve local path root
         if e_storage_uri.startswith('/'):

trains/backend_interface/task/args.py

@@ -211,6 +211,22 @@ class _Arguments(object):
                         task_arguments[k] = v
                     except Exception:
                         pass
+                elif current_action and current_action.type == bool:
+                    # parser.set_defaults cannot cast string `False`/`True` to boolean properly,
+                    # so we have to do it manually here
+                    strip_v = str(v).lower().strip()
+                    if strip_v == 'false' or not strip_v:
+                        v = False
+                    elif strip_v == 'true':
+                        v = True
+                    else:
+                        # else, try to cast to integer
+                        try:
+                            v = int(strip_v)
+                        except ValueError:
+                            pass
+                    task_arguments[k] = v
+
                 # add as default
                 try:
                     if current_action and isinstance(current_action, _SubParsersAction):