/
models.py
40 lines (33 loc) · 1.22 KB
/
models.py
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import datetime
import hashlib
import os
import unicodedata
from django.db import models
from django.contrib.auth.models import User
from django.utils import timezone
def uploader(instance, filename):
if isinstance(filename, unicode):
filename = (
unicodedata
.normalize('NFD', filename)
.encode('ascii', 'ignore')
)
now = datetime.datetime.now()
path = os.path.join(now.strftime('%Y'), now.strftime('%m'),
now.strftime('%d'))
hashed_filename = (hashlib.md5(filename +
str(now.microsecond)).hexdigest())
__, extension = os.path.splitext(filename)
return os.path.join('symbols_upload', path, hashed_filename + extension)
class SymbolsUpload(models.Model):
user = models.ForeignKey(User)
content = models.TextField()
filename = models.CharField(max_length=100)
file = models.FileField(null=True, upload_to=uploader)
size = models.IntegerField()
created = models.DateTimeField(default=timezone.now)
def __repr__(self):
return '<%s: %r...>' % (self.__class__.__name__, self.content[:100])
@property
def file_exists(self):
return self.file and os.path.isfile(self.file.path)