SVGHMI: Widget DnD to Inkscape : Added source SVG widget label parsing and pass selecte HMI subtree to XSLT tranform, so that SVG containing multiple widgets can later be matched against hmi tree fragments, in order to DnD complex groups of widgets.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# See COPYING file for copyrights details.
from __future__ import absolute_import
import hashlib
class ConnectorBase(object):
chuncksize = 1024*1024
def BlobFromFile(self, filepath, seed):
s = hashlib.new('md5')
s.update(seed)
blobID = self.SeedBlob(seed)
with open(filepath, "rb") as f:
while blobID == s.digest():
chunk = f.read(self.chuncksize)
if len(chunk) == 0:
return blobID
blobID = self.AppendChunkToBlob(chunk, blobID)
s.update(chunk)
raise IOError("Data corrupted during transfer or connection lost")