def get(self, request, *args, **kwargs):
obj = self.get_object()
if obj in request.user.myproducts.products.all():
filepath = os.path.join(settings.PROTECTED_ROOT, obj.media.path)
guessed_type = guess_type(filepath)[0]
wrapper = FileWrapper(file(filepath))
mimetype = 'application/force-download'
if guessed_type:
mimetype = guessed_type
response = HttpResponse(wrapper, content_type='mimetype')
if not request.GET.get("preview"):
response["Content-Disposition"] = "attachment; filename=%s" %(obj.media.name)
response["X-SendFile"] = str(obj.media.name)
return response
else:
raise Http404
python类FileWrapper()的实例源码
def src(request, app_id):
myApp = get_object_or_404 (App, pk=app_id)
mySources = myApp.sourcefile_set.all()
temp = tempfile.TemporaryFile()
arch = zipfile.ZipFile(temp, 'w')
#old *working* code follows
#myFileObj = io.BytesIO()
#myZipFile = zipfile.ZipFile(myFileObj, 'w')
for item in mySources:
fname = item.file_name
actualname = fname + '.java'
src = (item.file_contents).encode('ascii','replace').replace("\\n", "\n")
arch.writestr(actualname, src)
arch.close()
temp.seek(0)
wrapper = FileWrapper(temp)
response=HttpResponse(wrapper, content_type = "application/zip")
response['Content-Disposition'] = 'attachment; filename="'+myApp.package_name+'.zip"'
response ['Content-Length'] = temp.tell()
return response
def apk(request, app_id):
myApp = get_object_or_404 (App, pk=app_id)
#TODO: Cambiar por uno que te baje el APK
filepath = apk_storage.get_filepath(myApp.package_name, myApp.md5)
filesize = getsize(filepath)
wrapper = FileWrapper(file(filepath))
response = HttpResponse(wrapper, content_type = "application/vnd.android.package-archive")
response ['Content-Disposition'] = 'attachment; filename="'+myApp.package_name+'.apk"'
response ['Content-Length'] = filesize
return response
def download(request):
filename = os.path.join(mediafolder,'files.tar')# Select your file here.
wrapper = FileWrapper(file(filename))
response = HttpResponse(wrapper, 'application/x-tar')
response['Content-Length'] = os.path.getsize(filename)
return response
def response_with_mimetype_and_name(
mimetype, name, extension=None, show_date=True, file_path=None,
use_local_filesystem=False, full_mime=False):
if extension is None:
extension = mimetype
if not full_mime:
mimetype = "application/%s" % mimetype
if file_path:
try:
if not use_local_filesystem:
default_storage = get_storage_class()()
wrapper = FileWrapper(default_storage.open(file_path))
response = StreamingHttpResponse(wrapper,
content_type=mimetype)
response['Content-Length'] = default_storage.size(file_path)
else:
wrapper = FileWrapper(open(file_path))
response = StreamingHttpResponse(wrapper,
content_type=mimetype)
response['Content-Length'] = os.path.getsize(file_path)
except IOError:
response = HttpResponseNotFound(
_(u"The requested file could not be found."))
else:
response = HttpResponse(content_type=mimetype)
response['Content-Disposition'] = disposition_ext_and_date(
name, extension, show_date)
return response
def response_with_mimetype_and_name(
mimetype, name, extension=None, show_date=True, file_path=None,
use_local_filesystem=False, full_mime=False):
if extension is None:
extension = mimetype
if not full_mime:
mimetype = "application/%s" % mimetype
if file_path:
try:
if not use_local_filesystem:
default_storage = get_storage_class()()
wrapper = FileWrapper(default_storage.open(file_path))
response = StreamingHttpResponse(wrapper,
content_type=mimetype)
response['Content-Length'] = default_storage.size(file_path)
else:
wrapper = FileWrapper(open(file_path))
response = StreamingHttpResponse(wrapper,
content_type=mimetype)
response['Content-Length'] = os.path.getsize(file_path)
except IOError:
response = HttpResponseNotFound(
_(u"The requested file could not be found."))
else:
response = HttpResponse(content_type=mimetype)
response['Content-Disposition'] = disposition_ext_and_date(
name, extension, show_date)
return response
def response_with_mimetype_and_name(
mimetype, name, extension=None, show_date=True, file_path=None,
use_local_filesystem=False, full_mime=False):
if extension is None:
extension = mimetype
if not full_mime:
mimetype = "application/%s" % mimetype
if file_path:
try:
if not use_local_filesystem:
default_storage = get_storage_class()()
wrapper = FileWrapper(default_storage.open(file_path))
response = StreamingHttpResponse(wrapper,
content_type=mimetype)
response['Content-Length'] = default_storage.size(file_path)
else:
wrapper = FileWrapper(open(file_path))
response = StreamingHttpResponse(wrapper,
content_type=mimetype)
response['Content-Length'] = os.path.getsize(file_path)
except IOError:
response = HttpResponseNotFound(
_(u"The requested file could not be found."))
else:
response = HttpResponse(content_type=mimetype)
response['Content-Disposition'] = disposition_ext_and_date(
name, extension, show_date)
return response
def email_tracking(request, emailing_id, contact_uuid):
"""handle download of email opening tracking image"""
emailing = get_object_or_404(models.Emailing, id=emailing_id)
contact = get_object_or_404(Contact, uuid=contact_uuid)
emailing.opened_emails.add(contact)
emailing.save()
dir_name = os.path.dirname(os.path.abspath(__file__))
file_name = os.path.join(dir_name, "email-tracking.png")
response = HttpResponse(FileWrapper(open(file_name, 'r')), content_type='image/png')
response['Content-Length'] = os.path.getsize(file_name)
return response
def zip_export(request, username, id_string):
owner = get_object_or_404(User, username__iexact=username)
xform = get_object_or_404(XForm, id_string__exact=id_string, user=owner)
helper_auth_helper(request)
if not has_permission(xform, owner, request):
return HttpResponseForbidden(_(u'Not shared.'))
if request.GET.get('raw'):
id_string = None
attachments = Attachment.objects.filter(instance__xform=xform)
zip_file = None
try:
zip_file = create_attachments_zipfile(attachments)
audit = {
"xform": xform.id_string,
"export_type": Export.ZIP_EXPORT
}
audit_log(
Actions.EXPORT_CREATED, request.user, owner,
_("Created ZIP export on '%(id_string)s'.") %
{
'id_string': xform.id_string,
}, audit, request)
# log download as well
audit_log(
Actions.EXPORT_DOWNLOADED, request.user, owner,
_("Downloaded ZIP export on '%(id_string)s'.") %
{
'id_string': xform.id_string,
}, audit, request)
if request.GET.get('raw'):
id_string = None
response = response_with_mimetype_and_name('zip', id_string)
response.write(FileWrapper(zip_file))
response['Content-Length'] = zip_file.tell()
zip_file.seek(0)
finally:
zip_file and zip_file.close()
return response
def zip_export(request, username, id_string):
owner = get_object_or_404(User, username__iexact=username)
xform = get_object_or_404(XForm, id_string__iexact=id_string, user=owner)
helper_auth_helper(request)
if not has_permission(xform, owner, request):
return HttpResponseForbidden(_(u'Not shared.'))
if request.GET.get('raw'):
id_string = None
attachments = Attachment.objects.filter(instance__xform=xform)
zip_file = None
try:
zip_file = create_attachments_zipfile(attachments)
audit = {
"xform": xform.id_string,
"export_type": Export.ZIP_EXPORT
}
audit_log(
Actions.EXPORT_CREATED, request.user, owner,
_("Created ZIP export on '%(id_string)s'.") %
{
'id_string': xform.id_string,
}, audit, request)
# log download as well
audit_log(
Actions.EXPORT_DOWNLOADED, request.user, owner,
_("Downloaded ZIP export on '%(id_string)s'.") %
{
'id_string': xform.id_string,
}, audit, request)
if request.GET.get('raw'):
id_string = None
response = response_with_mimetype_and_name('zip', id_string)
response.write(FileWrapper(zip_file))
response['Content-Length'] = zip_file.tell()
zip_file.seek(0)
finally:
zip_file and zip_file.close()
return response
