Flask实战第57天：UEditor编辑器集成以及配置上传文件到七牛

#上传到本地
UEDITOR_UPLOAD_PATH = os.path.join(os.path.dirname(__file__),'images')#上传到七牛
UEDITOR_UPLOAD_TO_QINIU = True #如果上传到七牛这里设置为True，上传到本地则为False
UEDITOR_QINIU_ACCESS_KEY = "xxxxxxx"
UEDITOR_QINIU_SECRET_KEY = "xxxxxxx"
UEDITOR_QINIU_BUCKET_NAME = "xxxxxx"
UEDITOR_QINIU_DOMAIN = "xxxxxxx"

#encoding: utf-8from flask import (
Blueprint,
request,
jsonify,
url_for,
send_from_directory,
current_app as app
)
import json
import re
import string
import time
import hashlib
import random
import base64
import sys
import os
from urllib import parse
# 更改工作目录。这么做的目的是七牛qiniu的sdk
# 在设置缓存路径的时候默认会设置到C:/Windows/System32下面
# 会造成没有权限创建。
os.chdir(os.path.dirname(__file__))
try:
import qiniu
except:
pass
from io import BytesIObp = Blueprint('ueditor',__name__,url_prefix='/ueditor')UEDITOR_UPLOAD_PATH = ""
UEDITOR_UPLOAD_TO_QINIU = False
UEDITOR_QINIU_ACCESS_KEY = ""
UEDITOR_QINIU_SECRET_KEY = ""
UEDITOR_QINIU_BUCKET_NAME = ""
UEDITOR_QINIU_DOMAIN = ""@bp.before_app_first_request
def before_first_request():
global UEDITOR_UPLOAD_PATH
global UEDITOR_UPLOAD_TO_QINIU
global UEDITOR_QINIU_ACCESS_KEY
global UEDITOR_QINIU_SECRET_KEY
global UEDITOR_QINIU_BUCKET_NAME
global UEDITOR_QINIU_DOMAIN
UEDITOR_UPLOAD_PATH = app.config.get('UEDITOR_UPLOAD_PATH')
if UEDITOR_UPLOAD_PATH and not os.path.exists(UEDITOR_UPLOAD_PATH):
os.mkdir(UEDITOR_UPLOAD_PATH) UEDITOR_UPLOAD_TO_QINIU = app.config.get("UEDITOR_UPLOAD_TO_QINIU")
if UEDITOR_UPLOAD_TO_QINIU:
try:
UEDITOR_QINIU_ACCESS_KEY = app.config["UEDITOR_QINIU_ACCESS_KEY"]
UEDITOR_QINIU_SECRET_KEY = app.config["UEDITOR_QINIU_SECRET_KEY"]
UEDITOR_QINIU_BUCKET_NAME = app.config["UEDITOR_QINIU_BUCKET_NAME"]
UEDITOR_QINIU_DOMAIN = app.config["UEDITOR_QINIU_DOMAIN"]
except Exception as e:
option = e.args[0]
raise RuntimeError('请在app.config中配置%s！'%option) csrf = app.extensions.get('csrf')
if csrf:
csrf.exempt(upload)def _random_filename(rawfilename):
letters = string.ascii_letters
random_filename = str(time.time()) + "".join(random.sample(letters,5))
filename = hashlib.md5(random_filename.encode('utf-8')).hexdigest()
subffix = os.path.splitext(rawfilename)[-1]
return filename + subffix@bp.route('/upload/',methods=['GET','POST'])
def upload():
action = request.args.get('action')
result = {}
if action == 'config':
config_path = os.path.join(bp.static_folder or app.static_folder,'ueditor','config.json')
with open(config_path,'r',encoding='utf-8') as fp:
result = json.loads(re.sub(r'\/\*.*\*\/','',fp.read())) elif action in ['uploadimage','uploadvideo','uploadfile']:
image = request.files.get("upfile")
filename = image.filename
save_filename = _random_filename(filename)
result = {
'state': '',
'url': '',
'title': '',
'original': ''
}
if UEDITOR_UPLOAD_TO_QINIU:
if not sys.modules.get('qiniu'):
raise RuntimeError('没有导入qiniu模块！')
q = qiniu.Auth(UEDITOR_QINIU_ACCESS_KEY,UEDITOR_QINIU_SECRET_KEY)
token = q.upload_token(UEDITOR_QINIU_BUCKET_NAME)
buffer = BytesIO()
image.save(buffer)
buffer.seek(0)
ret,info = qiniu.put_data(token,save_filename,buffer.read())
if info.ok:
result['state'] = "SUCCESS"
result['url'] = parse.urljoin(UEDITOR_QINIU_DOMAIN,ret['key'])
result['title'] = ret['key']
result['original'] = ret['key']
else:
image.save(os.path.join(UEDITOR_UPLOAD_PATH, save_filename))
result['state'] = "SUCCESS"
result['url'] = url_for('ueditor.files',filename=save_filename)
result['title'] = save_filename,
result['original'] = image.filename elif action == 'uploadscrawl':
base64data = request.form.get("upfile")
img = base64.b64decode(base64data)
filename = _random_filename('xx.png')
filepath = os.path.join(UEDITOR_UPLOAD_PATH,filename)
with open(filepath,'wb') as fp:
fp.write(img)
result = {
"state": "SUCCESS",
"url": url_for('files',filename=filename),
"title": filename,
"original": filename
}
return jsonify(result)@bp.route('/files/<filename>/')
def files(filename):
return send_from_directory(UEDITOR_UPLOAD_PATH,filename)

from flask import Flask,render_template
from ueditor import bp
import configapp = Flask(__name__)
app.config.from_object(config)app.register_blueprint(bp)@app.route('/')
def hello_world():
return render_template('index.html')if __name__ == '__main__':
app.run(port=9000,debug=True)

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<script src="{{ url_for('static',filename='ueditor/ueditor.config.js') }}"></script>
<script src="{{ url_for('static',filename='ueditor/ueditor.all.min.js') }}"></script>
<title>Title</title>
</head>
<body>
<script id="editor" type="text/plain">
</script>
<script>
var ue = UE.getEditor("editor",{
'serverUrl': '/ueditor/upload/'
});
</script>
</body>
</html>