我需要通过 SOAP Web 服务获取文件并使用 django 的 FileField 将其保存到模型中。
我做了以下事情:
在我的 SOAP Wrapper 中,我将文件保存在临时目录中
# ... get the file and file_name and decode put it into a variable called data
f = open('tmp/%s' % filename, 'w+')
f.write(data)
# build a dictionary with another useful metadata
这里没什么奇怪的(我猜)
然后,在我看来,我会执行以下操作:
from django.core.files import File
for ext in extensions:
messages = helpers.get_new_messages(ext)
for msg in messages:
vm = VoiceMessage()
filename = '%s-%s' % (ext.t_account_name, msg['name'])
vm.extension = ext
vm.origin = msg['origin']
vm.date = msg['when']
vm.message.save(filename, File(msg['file'])) # Error is raised here
msg['file'].close()
vm.save()
我收到以下错误:
/account/dashboard/messages/ 预期字符串或缓冲区处的 TypeError
我已经尝试过 如何将本地文件分配给 Django 中的 FileField?
还有这个 Django - 如何创建文件并将其保存到模型的 FileField?
我错过了什么吗?
编辑 2013 年 4 月 17 日:添加回溯
我对其进行了调试,返回了 type(msg['file']) 调用:
<type 'file'>
进一步来说:
<open file './voice_message_2013-4-15_22-41-58.au', mode 'w+' at 0xca0fe40>
这是完整的追溯。
Internal Server Error: /account/dashboard/messages/
Traceback (most recent call last):
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 115, in get_response
response = callback(request, *callback_args, **callback_kwargs)
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 25, in _wrapped_view
return view_func(request, *args, **kwargs)
File "/home/israelord/Work/4geeks/ringtu/ringtu/profiles/views.py", line 239, in account_dashboard_messages
vm.message.save(filename, File(msg['file']))
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/fields/files.py", line 95, in save
self.instance.save()
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/base.py", line 546, in save
force_update=force_update, update_fields=update_fields)
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/base.py", line 650, in save_base
result = manager._insert([self], fields=fields, return_id=update_pk, using=using, raw=raw)
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/manager.py", line 215, in _insert
return insert_query(self.model, objs, fields, **kwargs)
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/query.py", line 1673, in insert_query
return query.get_compiler(using=using).execute_sql(return_id)
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/sql/compiler.py", line 936, in execute_sql
for sql, params in self.as_sql():
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/sql/compiler.py", line 894, in as_sql
for obj in self.query.objs
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/fields/__init__.py", line 304, in get_db_prep_save
prepared=False)
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/fields/__init__.py", line 835, in get_db_prep_value
value = self.get_prep_value(value)
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/fields/__init__.py", line 820, in get_prep_value
value = self.to_python(value)
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/db/models/fields/__init__.py", line 788, in to_python
parsed = parse_datetime(value)
File "/home/israelord/.virtualenvs/ringtu-env/local/lib/python2.7/site-packages/django/utils/dateparse.py", line 67, in parse_datetime
match = datetime_re.match(value)
TypeError: expected string or buffer