+ self._state['files'][source] = {
+ 'mtime': os.path.getmtime(source),
+ 'size' : os.path.getsize(source)
+ }
+ new_file_in_cache = True
+ cached_file_data = self._state['files'][source]
+
+ # Check if file was already uploaded (at least partially)
+ file_in_local_collection = self._local_collection.find(filename)
+
+ # If not resuming, upload the full file.
+ if not self.resume:
+ should_upload = True
+ # New file detected from last run, upload it.
+ elif new_file_in_cache:
+ should_upload = True
+ # Local file didn't change from last run.
+ elif cached_file_data['mtime'] == os.path.getmtime(source) and cached_file_data['size'] == os.path.getsize(source):
+ if not file_in_local_collection:
+ # File not uploaded yet, upload it completely
+ should_upload = True
+ elif cached_file_data['size'] == file_in_local_collection.size():
+ # File already there, skip it.
+ self.bytes_skipped += cached_file_data['size']
+ elif cached_file_data['size'] > file_in_local_collection.size():
+ # File partially uploaded, resume!
+ resume_offset = file_in_local_collection.size()
+ should_upload = True
+ else:
+ # Inconsistent cache, re-upload the file
+ should_upload = True
+ self.logger.warning("Uploaded version of file '{}' is bigger than local version, will re-upload it from scratch.".format(source))
+ # Local file differs from cached data, re-upload it.
+ else:
+ should_upload = True
+
+ if should_upload:
+ with open(source, 'r') as source_fd: