* <form enctype="multipart/form-data" action="/uploadFile/" method="post">  
*    <input type="file" name="myfile" />  
*    <br/>  
*    <input type="submit" value="upload"/>  
* </form>

def upload_file(request):  
        if request.method == "POST":    # 请求方法为POST时，进行处理  
                myFile =request.FILES.get("myfile", None)    # 获取上传的文件，如果没有文件，则默认为None  
                if not myFile:  
                        returnHttpResponse("no files for upload!")  
                destination = open(os.path.join("E:\\upload",myFile.name),'wb+')    # 打开特定的文件进行二进制的写操作  
                for chunk in myFile.chunks():      # 分块写入文件  
                        destination.write(chunk)  
                destination.close()  
                returnHttpResponse("upload over!")

import re

m = re.match('([cab])([cab])([cab])([cab])', "cacb")
if m:
    print m.groups()

import re

m = re.match('([cab])+b', "cacb")
if m:
    print m.groups()

➜  tmp cat tmp.py
import re
m = re.match('([cab])+',"cacb")
if m:
    print m.groups()
➜  tmp python tmp.py
('b',)

You should use a form field and not a model field:

somefield = models.CharField(
    widget=forms.TextInput(attrs={'readonly':'readonly'})
)
replaced with

somefield = forms.CharField(
    widget=forms.TextInput(attrs={'readonly':'readonly'})
)
Should fix it.