On 14 Jun 2007, at 20:33, Andrew wrote:
> New to TurboGears. I just worked through the 20-minute wiki tutorial,
> and now I would like to extend it by adding file uploads and downloads
> to pages. A quick search leads me to FileFields, but there's no
> example on how to use it. I'm looking for sample code on how to use
> it, especially w.r.t. modifying controllers.py. Any suggestions,
> pointers, or links?
Here's a very quick example. I hope it helps.
This is the controller.py which should just work with a quickstarted
project, but the templates will need to be modified as appropriate.
Cheers,
CM
######################################
from turbogears import controllers, expose, widgets, validators,
validate
from file_fields.widgets.file_field import FileField, FileValidator
# ---- Constants ----
BUFFER_SIZE = 8192
# ---- Widgets / Forms ----
class MediaUploadFields(widgets.WidgetsList):
title = widgets.TextField(
label=_(u"File Title"),
)
mediafile = FileField(
label=_(u"Video File"),
)
# ---- Form Validators ----
class MediaUploadSchema(validators.Schema):
title = validators.UnicodeString(max=256, strip=True),
mediafile = FileValidator(not_empty=True)
# ---- Forms ----
upload_form = widgets.TableForm( fields=MediaUploadFields(),
validator=MediaUploadSchema() )
# ---- Controllers ----
class Root(controllers.RootController):
@expose(template=".templates.welcome")
def index(self):
return dict(
upload_action = './upload',
upload_form = upload_form,
upload_submit_text = 'Upload Media',
upload_value = dict(),
)
@expose('.templates.upload', format='xml', content_type="text/xml")
@validate(form=upload_form)
def upload(self, title=None, mediafile=None):
# Copy the file somewhere useful
fp = open('/tmp/uploaded_file', 'wb')
buf = mediafile.file.read(BUFFER_SIZE)
while buf:
fp.write(buf)
buf = mediafile.file.read(BUFFER_SIZE)
fp.close()
return dict(
filename = mediafile.name,
filesize = mediafile.size,
md5 = mediafile.md5,
mimetype = mediafile.type,
)
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"TurboGears" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at
http://groups.google.com/group/turbogears?hl=en
-~----------~----~----~----~------~----~------~--~---
