This Code Works well when i want to upload to my blobstore
import os
import urllib
from google.appengine.api import mail
from google.appengine.ext import blobstore
from google.appengine.ext import webapp
from google.appengine.ext.webapp import blobstore_handlers
from google.appengine.ext.webapp import template
from google.appengine.ext.webapp.util import run_wsgi_app
class MainHandler(webapp.RequestHandler):
def get(self):
upload_url = blobstore.create_upload_url('/upload')
self.response.out.write('<html><body>')
self.response.out.write('<form action="%s" method="POST" enctype="multipart/form-data">' % upload_url)
self.response.out.write("""Upload File: <input type="file" name="file"><br> <input type="submit"
name="submit" value="Submit"> </form></body></html>""")
class UploadHandler(blobstore_handlers.BlobstoreUploadHandler):
def post(self):
upload_files = self.get_uploads('file') # 'file' is file upload field in the form
blob_info = upload_files[0]
blob_reader = blobstore.BlobReader(blob_info.key())
message = mail.EmailMessage(sender = 'crowdstardomain@gmail.com', subject = 'CSV')
message.to = 'crowdstardomain@gmail.com'
message.body = 'Download attached CSV'
message.attachments = [blob_info.filename,blob_reader.read()]
message.send()
self.redirect('/serve/%s' % blob_info.key())
class ServeHandler(blobstore_handlers.BlobstoreDownloadHandler):
def get(self, resource):
resource = str(urllib.unquote(resource))
blob_info = blobstore.BlobInfo.get(resource)
self.send_blob(blob_info,save_as=True)
app = webapp.WSGIApplication(
[('/', MainHandler),
('/upload', UploadHandler),
('/serve/([^/]+)?', ServeHandler),
], debug=True)
if __name__ == '__main__':
run_wsgi_app(app)
in a case when i want to do this in a template, say jinja template, i did something like this in my MainHandler class
MainHandler(webapp.RequestHandler):
def get(self):
pageTitle = 'Make an Upload'
template = JINJA_ENVIRONMENT.get_template('/otherPages/learn/subLearn/UploadForm.html')
upload_url = blobstore.create_upload_url('/upload')
variables = {
'upload':upload_url,
'pageTitle':pageTitle
}
self.response.out.write(template.render(variables))
and i do this in my template (the code below is just a fragment)
....
<div>
{% autoescape on %}
<form action="{{upload}}" method="POST" enctype="multipart/form-data">
<input type="file" name="file"><br> <input type="submit"
name="submit" value="Submit"> </form>
{% endautoescape %}
</div>
...
but this approach seems not to upload the file to my blobstore. Please, how can i solve this. Thanks in advance