Django（音频）文件验证
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我正在尝试一个允许用户上传音频文件的网站。我已经阅读了所有可以动手使用的文档，但是找不到太多有关验证文件的信息。
这里共有newb（以前从未进行过任何形式的任何文件验证），并试图弄清楚这一点。有人可以牵着我的手告诉我我需要知道什么吗？
一如既往，谢谢您。
没有找到相关结果
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伞腹
class UserSong(models.Model): title = models.CharField(max_length=100) audio_file = models.FileField()class UserSongForm(forms.ModelForm): # Add some custom validation to our file field def clean_audio_file(self): file = self.cleaned_data.get(\'audio_file\',False): if file: if file._size > 4*1024*1024: raise ValidationError(\"Audio file too large ( > 4mb )\") if not file.content-type in [\"audio/mpeg\",\"audio/...\"]: raise ValidationError(\"Content-Type is not mpeg\") if not os.path.splitext(file.name)[1] in [\".mp3\",\".wav\" ...]: raise ValidationError(\"Doesn\'t have proper extension\") # Here we need to now to read the file and see if it\'s actually # a valid audio file. I don\'t know what the best library is to # to do this if not some_lib.is_audio(file.content): raise ValidationError(\"Not a valid audio file\") return file else: raise ValidationError(\"Couldn\'t read uploaded file\")def upload_file(request): if request.method == \'POST\': form = UserSongForm(request.POST, request.FILES) if form.is_valid(): # If we are here, the above file validation has completed # so we can now write the file to disk handle_uploaded_file(request.FILES[\'file\']) return HttpResponseRedirect(\'/success/url/\') else: form = UploadFileForm() return render_to_response(\'upload.html\', {\'form\': form})# from django\'s docs def handle_uploaded_file(f): ext = os.path.splitext(f.name)[1] destination = open(\'some/file/name%s\'%(ext), \'wb+\') for chunk in f.chunks(): destination.write(chunk) destination.close()