我有一个视图，它从我的网站获取数据，然后将其放入 zip 压缩的 csv 文件中。这是我的工作代码，没有 zip：
def backup_to_csv(request):
response = HttpResponse(mimetype='text/csv')
response['Content-Disposition'] = 'attachment; filename=backup.csv'
writer = csv.writer(response, dialect='excel')
#code for writing csv file go here...
return response
而且效果很好。现在我希望在发送该文件之前对其进行压缩。这就是我陷入困境的地方。
def backup_to_csv(request):
output = StringIO.StringIO() ## temp output file
writer = csv.writer(output, dialect='excel')
#code for writing csv file go here...
response = HttpResponse(mimetype='application/zip')
response['Content-Disposition'] = 'attachment; filename=backup.csv.zip'
z = zipfile.ZipFile(response,'w') ## write zip to response
z.writestr("filename.csv", output) ## write csv file to zip
return response
但事实并非如此，我不知道该怎么做。
好，我知道了。这是我的新功能：
def backup_to_csv(request):
output = StringIO.StringIO() ## temp output file
writer = csv.writer(output, dialect='excel')
#code for writing csv file go here...
response = HttpResponse(mimetype='application/zip')
response['Content-Disposition'] = 'attachment; filename=backup.csv.zip'
z = zipfile.ZipFile(response,'w') ## write zip to response
z.writestr("filename.csv", output.getvalue()) ## write csv file to zip
return response
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