django-mdeditor支持七牛云存储图片
由于django-mdeditor官方插件没有支持第三方存储，所以，我们只能进行修改源码的方式实现了。
本次改写即使替换了其文件，不使用七牛云也是无关紧要的，因为在存储时，去settings.py中判断是否启用七牛云存储，只有配置了七牛云相关信息才会执行，否则还是原先的方式存储在本地。
源文件路径venv\Lib\site-packages\mdeditor\views.py
使用方法
- 修改源文件
源文件路径venv\Lib\site-packages\mdeditor\views.py找到该文件，将下面的代码直接复制全文替换
# -*- coding:utf-8 -*-
import os
import datetime
from django.views import generic
from django.conf import settings
from django.http import JsonResponse
from django.views.decorators.csrf import csrf_exempt
from django.utils.decorators import method_decorator
from .configs import MDConfig
# TODO 此处获取default配置，当用户设置了其他配置时，此处无效，需要进一步完善
MDEDITOR_CONFIGS = MDConfig('default')
class UploadView(generic.View):
""" upload image file """
@method_decorator(csrf_exempt)
def dispatch(self, *args, **kwargs):
return super(UploadView, self).dispatch(*args, **kwargs)
def post(self, request, *args, **kwargs):
upload_image = request.FILES.get("editormd-image-file", None)
media_root = settings.MEDIA_ROOT
# image none check
if not upload_image:
return JsonResponse({
'success': 0,
'message': "未获取到要上传的图片",
'url': ""
})
# image format check
file_name_list = upload_image.name.split('.')
file_extension = file_name_list.pop(-1)
file_name = '.'.join(file_name_list)
if file_extension not in MDEDITOR_CONFIGS['upload_image_formats']:
return JsonResponse({
'success': 0,
'message': "上传图片格式错误，允许上传图片格式为：%s" % ','.join(
MDEDITOR_CONFIGS['upload_image_formats']),
'url': ""
})
# image floder check
file_path = os.path.join(media_root, MDEDITOR_CONFIGS['image_folder'])
if not os.path.exists(file_path):
try:
os.makedirs(file_path)
except Exception as err:
return JsonResponse({
'success': 0,
'message': "上传失败：%s" % str(err),
'url': ""
})
# save image
try:
use_qiniu = settings.MDEDITOR_USE_QINIU
if use_qiniu:
import qiniu,shortuuid
from qiniu.http import ResponseInfo
from urllib import parse
qiniu_save = QiniuSave()
save_name,url = qiniu_save.save(file_extension,upload_image)
qiniu_save.dealwith_img(save_name)
qiniu_save.cdn_flush(save_name)
else:
url = save_img_local(file_name, file_path, upload_image, file_extension)
except AttributeError:
url = save_img_local(file_name, file_path, upload_image, file_extension)
return JsonResponse({'success': 1,
'message': "上传成功！",
'url': url})
def save_img_local(self, file_name, file_path, upload_image, file_extension):
'''将文件存储到本地'''
file_full_name = '%s_%s.%s' % (file_name, '{0:%Y%m%d%H%M%S%f}'.format(datetime.datetime.now()),
file_extension)
with open(os.path.join(file_path, file_full_name), 'wb+') as file:
for chunk in upload_image.chunks():
file.write(chunk)
url = os.path.join(settings.MEDIA_URL, MDEDITOR_CONFIGS['image_folder'], file_full_name)
return url
class QiniuSave():
def __init__(
self,
access_key=settings.QINIU_ACCESS_KEY,
secret_key=settings.QINIU_SECRET_KEY,
bucket_name=settings.QINIU_BUCKET_NAME,
bucket_domain=settings.QINIU_BUCKET_DOMAIN,
):
self.auth = qiniu.Auth(access_key, secret_key)
self.bucket_name = bucket_name
self.bucket_domain = bucket_domain
self.bucket_manager = qiniu.BucketManager(self.auth)
def re_name(self,file_extension):
name = shortuuid.uuid() +'.'+ file_extension
return name
def save(self, file_extension, content):
if hasattr(content, 'chunks'):
content_str = b''.join(chunk for chunk in content.chunks())
else:
content_str = content.read()
name = self.re_name(file_extension)
self._put_file(name, content_str)
url = parse.urljoin(self.bucket_domain, name)
return name,url
def _put_file(self, name, content):
token = self.auth.upload_token(self.bucket_name)
ret, info = qiniu.put_data(token, name, content)
if ret is None or ret['key'] != name:
raise QiniuError(info)
# 将上传处理后的图片刷新到cdn节点，减少回源流量
def cdn_flush(self,key):
cdn_manager = qiniu.CdnManager(self.auth)
domine = self.bucket_name
need_flush_url = domine + key
# 需要刷新的文件链接
urls = [
need_flush_url,
]
# URL刷新链接
refresh_url_result = cdn_manager.refresh_urls(urls)
return
# 进行上传的图片处理
def dealwith_img(self,key):
q = self.auth
bucket_name = self.bucket_name
# pipeline是使用的队列名称,不设置代表不使用私有队列，使用公有队列。
# pipeline = 'your_pipeline'
# 要进行的转换格式操作。
# fops = 'imageView2/0/format/webp/interlace/1'
fops = 'imageMogr2/format/webp'
# 可以对缩略后的文件进行使用saveas参数自定义命名，当然也可以不指定文件会默认命名并保存在当前空间
saveas_key = qiniu.urlsafe_base64_encode(bucket_name + ':' + key)
fops = fops + '|saveas/' + saveas_key
# pfop = qiniu.PersistentFop(q, bucket_name, pipeline)
pfop = qiniu.PersistentFop(q, bucket_name)
ops = []
ops.append(fops)
ret, info = pfop.execute(key, ops, 1)
assert ret['persistentId'] is not None
return
class QiniuError(IOError):
def __init__(self, value):
if isinstance("Debuf Info", ResponseInfo):
super(QiniuError, self).__init__(
"Qiniu Response Info %s" % value
)
else:
super(QiniuError, self).__init__(value)
- 在django的settings.py中配置
# mdeitor配置
MDEDITOR_USE_QINIU = True
# qiniuyun
QINIU_ACCESS_KEY = '七牛云账号的access_key'
QINIU_SECRET_KEY = '七牛云账号的secret_key'
QINIU_BUCKET_NAME = '七牛云的空间名称'
QINIU_BUCKET_DOMAIN = '七牛云空间绑定的自定义的cdn加速域名，格式：http://example.com或者：https://example.com'
