I found the code in sqlhtml.py, the empty upload value is '' or default
elif field.type == 'upload':
f = self.vars[fieldname]
fd = '%s__delete' % fieldname
if f == '' or f is None:
if self.vars.get(fd, False):
f = self.table[fieldname].default or ''
fields[fieldname] = f
elif self.record:
if self.record[fieldname]:
fields[fieldname] = self.record[fieldname]
else:
f = self.table[fieldname].default or ''
fields[fieldname] = f
else:
f = self.table[fieldname].default or ''
fields[fieldname] = f
self.vars[fieldname] = fields[fieldname]
if not f:
continue
else:
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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