The python seems like it should work, I don't see any issues with it. Is it
possible you have an HTML typo in the template? It seems like this might be
the most likely cause.
-Marzia
On Sun, Jan 4, 2009 at 10:34 PM, Ms. Jen <blackpho...@gmail.com> wrote:
>
> When I try the straight code from the "Using Images" (http://
> code.google.com/appengine/docs/images/usingimages.html) that writes
> the html directly from the main.py file, my image display works. When
> I use templates that are separate from the main.py file, the images
> don't display even though they are in the datastore and show up when I
> view the source of the html page.
>
> Please look at my code and tell me if I am missing a call or if the
> MainPage class needs a reference for the image...
>
> Template Page:
> <img src='/image?img_id={{ greeting.key }}'></img>
>
> What it is outputting:
> <img src='/image?img_id=agtqZW50ZXN0bGl2ZXIOCxIIR3JlZXRpbmcYBgw'></
> img>
>
> The main.py is below. I am getting the same results both in dev and
> on my testing spot on GAE. Thanks in advance for your help!
>
> Jen
>
> ********
>
> import cgi
> import datetime
> import os
> import logging
>
> from google.appengine.ext import db
> from google.appengine.api import users
> from google.appengine.ext import webapp
> from google.appengine.ext.webapp.util import run_wsgi_app
> from google.appengine.api import images
> from google.appengine.ext.webapp import template
>
> logging.getLogger().setLevel(logging.DEBUG)
>
>
> class Greeting(db.Model):
> author = db.UserProperty()
> fullname = db.StringProperty()
> know = db.StringProperty()
> avatar = db.BlobProperty()
> year = db.StringProperty()
> title = db.StringProperty()
> content = db.TextProperty()
> date = db.DateTimeProperty(auto_now_add=True)
>
> class MainPage(webapp.RequestHandler):
> def get(self):
> greetings_query = Greeting.all().order('-date')
> greetings = greetings_query.fetch(10)
>
> if users.get_current_user():
> url = users.create_logout_url(self.request.uri)
> url_linktext = 'Logout'
> path = os.path.join(os.path.dirname(__file__), 'post.html')
> else:
> url = users.create_login_url(self.request.uri)
> url_linktext = 'Login'
> path = os.path.join(os.path.dirname(__file__), 'index.html')
>
> template_values = {
> 'greetings': greetings,
> 'url': url,
> 'url_linktext': url_linktext,
> }
>
> self.response.out.write(template.render(path, template_values))
>
> class Image (webapp.RequestHandler):
> def get(self):
> greeting = db.get(self.request.get("img_id"))
> if greeting.avatar:
> self.response.headers['Content-Type'] = "image/png"
> self.response.out.write(greeting.avatar)
> else:
> self.response.out.write("No image")
>
> class Guestbook(webapp.RequestHandler):
> def post(self):
> greeting = Greeting()
>
> if users.get_current_user():
> greeting.author = users.get_current_user()
> greeting.fullname = self.request.get('fullname')
> greeting.know = self.request.get('know')
> avatar = images.resize(self.request.get('img'), 32, 32)
> greeting.avatar = db.Blob(avatar)
> greeting.year = self.request.get('year')
> greeting.title = self.request.get('title')
> greeting.content = self.request.get('content')
> greeting.put()
> self.redirect('/')
>
>
> application = webapp.WSGIApplication(
> [('/', MainPage),
> ('/img', Image),
> ('/sign', Guestbook)],
> debug=True)
>
> def main():
> run_wsgi_app(application)
>
> if __name__ == '__main__':
> main()
>
> >
>
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