fix: dev: 优化Flask语法 & 修正Flask找不到templates文件夹的问题

1.
优化Flask语法，使用flask自带的jsonify进行json回复；使用flask自带的render_template进行html模版回复；
简化Flask书写语法
2. 将server文件夹更名flask_templates，在Flask初始化时将模版文件夹路径指向此文件夹

wxbot_project_py2.7/config/constant.py

@@ -23,8 +23,8 @@ class Constant(object):
     
     SERVER_LOG_FORMAT = '%(asctime)s - %(pathname)s:%(lineno)d - %(name)s - %(levelname)s - %(message)s'
     SERVER_UPLOAD_ALLOWED_EXTENSIONS = set(['txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif'])
-    SERVER_PAGE_UPLOAD = 'Server/upload.html'
+    SERVER_PAGE_UPLOAD = 'upload.html'
-    SERVER_PAGE_INDEX = 'Server/index.html'
+    SERVER_PAGE_INDEX = 'index.html'
 
     RUN_RESULT_SUCCESS = '成功 %ds\n'
     RUN_RESULT_FAIL = '失败\n[*] 退出程序\n'

wxbot_project_py2.7/weixin_bot.py

@@ -12,7 +12,7 @@ from config import ConfigManager
 from config import Constant
 from config import Log
 #---------------------------------------------------
-import flask
+from flask import Flask, render_template, send_file, jsonify, request
 import threading
 import traceback
 import os
@@ -32,7 +32,7 @@ wechat.msg_handler = wechat_msg_processor
 wechat_msg_processor.wechat = wechat
 
 PORT = int(cm.get('setting', 'server_port'))
-app = flask.Flask(__name__)
+app = Flask(__name__, template_folder='flask_templates')
 app.config['UPLOAD_FOLDER'] = cm.getpath('uploaddir')
 
 logger = logging.getLogger('werkzeug')
@@ -47,8 +47,7 @@ app.logger.addHandler(flask_log_handler)
 
 @app.route('/')
 def index():
-    with open(Constant.SERVER_PAGE_INDEX, 'r') as f:
+    return render_template(Constant.SERVER_PAGE_INDEX)
-        return f.read()
 
 
 @app.route('/qrcode')
@@ -59,7 +58,7 @@ def qrcode():
     image_path = '%s/%s_%d.png' % (qdir, wechat.uuid, int(time.time()*100))
     s = wechat.wx_conf['API_qrcode'] + wechat.uuid
     str2qr_image(s, image_path)
-    return flask.send_file(image_path, mimetype='image/png')
+    return send_file(image_path, mimetype='image/png')
 
 
 @app.route("/group_list")
@@ -68,8 +67,7 @@ def group_list():
     @brief      list groups
     """
     result = wechat.db.select(Constant.TABLE_GROUP_LIST())
-    j = {'count': len(result), 'group': result}
+    return jsonify({'count': len(result), 'group': result})
-    return flask.Response(json.dumps(j), mimetype='application/json')
 
 
 @app.route('/group_member_list/<g_id>')
@@ -79,8 +77,7 @@ def group_member_list(g_id):
     @param      g_id String
     """
     result = wechat.db.select(Constant.TABLE_GROUP_USER_LIST(), 'RoomID', g_id)
-    j = {'count': len(result), 'member': result}
+    return jsonify({'count': len(result), 'member': result})
-    return flask.Response(json.dumps(j), mimetype='application/json')
 
 
 @app.route('/group_chat_log/<g_name>')
@@ -90,13 +87,12 @@ def group_chat_log(g_name):
     @param      g_name String
     """
     result = wechat.db.select(Constant.TABLE_GROUP_MSG_LOG, 'RoomName', g_name)
-    j = {'count': len(result), 'chats': result}
+    return jsonify({'count': len(result), 'chats': result})
-    return flask.Response(json.dumps(j), mimetype='application/json')
 
 
 @app.route('/upload', methods=['GET', 'POST'])
 def upload_file():
-    if flask.request.method == 'POST':
+    if request.method == 'POST':
         def allowed_file(filename):
             return '.' in filename and \
                 filename.rsplit('.', 1)[1] in Constant.SERVER_UPLOAD_ALLOWED_EXTENSIONS
@@ -104,13 +100,13 @@ def upload_file():
         j = {'ret': 1, 'msg': ''}
 
         # check if the post request has the file part
-        if 'file' not in flask.request.files:
+        if 'file' not in request.files:
             j['msg'] = 'No file part'
-            return flask.Response(json.dumps(j), mimetype='application/json')
+            return jsonify(j)
 
         # if user does not select file, browser also
         # submit a empty part without filename
-        file = flask.request.files['file']  
+        file = request.files['file']
         if file.filename == '':
             j['msg'] = 'No selected file'
         elif file and allowed_file(file.filename):
@@ -121,10 +117,9 @@ def upload_file():
             j['msg'] = filename
         else:
             j['msg'] = 'File type not support'
-        return flask.Response(json.dumps(j), mimetype='application/json')
+        return jsonify(j)
     else:
-        with open(Constant.SERVER_PAGE_UPLOAD, 'r') as f:
+        return render_template(Constant.SERVER_PAGE_UPLOAD)
-            return f.read()
 
 
 @app.route('/send_msg/<to>/<msg>')
@@ -134,8 +129,7 @@ def send_msg(to, msg):
     @param      to: String, user id or group id
     @param      msg: String, words
     """
-    j = {'ret': 0 if wechat.send_text(to, msg) else 1}
+    return jsonify({'ret': 0 if wechat.send_text(to, msg) else 1})
-    return flask.Response(json.dumps(j), mimetype='application/json')
 
 
 @app.route('/send_img/<to>/<img>')
@@ -146,8 +140,7 @@ def send_img(to, img):
     @param      img: String, image file name
     """
     img_path = os.path.join(app.config['UPLOAD_FOLDER'], img)
-    j = {'ret': 0 if wechat.send_img(to, img_path) else 1}
+    return jsonify({'ret': 0 if wechat.send_img(to, img_path) else 1})
-    return flask.Response(json.dumps(j), mimetype='application/json')
 
 
 @app.route('/send_emot/<to>/<emot>')
@@ -158,8 +151,7 @@ def send_emot(to, emot):
     @param      emot: String, emotion file name
     """
     emot_path = os.path.join(app.config['UPLOAD_FOLDER'], emot)
-    j = {'ret': 0 if wechat.send_emot(to, emot_path) else 1}
+    return jsonify({'ret': 0 if wechat.send_emot(to, emot_path) else 1})
-    return flask.Response(json.dumps(j), mimetype='application/json')
 
 
 @app.route('/send_file/<to>/<file>')
@@ -170,8 +162,7 @@ def send_file(to, file):
     @param      file: String, file name
     """
     file_path = os.path.join(app.config['UPLOAD_FOLDER'], file)
-    j = {'ret': 0 if wechat.send_file(to, file_path) else 1}
+    return jsonify({'ret': 0 if wechat.send_file(to, file_path) else 1})
-    return flask.Response(json.dumps(j), mimetype='application/json')
 
 
 def mass_send(method, data, func):
@@ -221,8 +212,8 @@ def mass_send_msg():
     """
     @brief      send text to mass users or gourps
     """
-    j = mass_send(flask.request.method, flask.request.json, wechat.send_text)
+    j = mass_send(request.method, request.json, wechat.send_text)
-    return flask.Response(json.dumps(j), mimetype='application/json')
+    return jsonify(j)
 
 
 @app.route('/mass_send_img', methods=["GET", "POST"])
@@ -230,8 +221,8 @@ def mass_send_img():
     """
     @brief      send iamge to mass users or gourps
     """
-    j = mass_send(flask.request.method, flask.request.json, wechat.webwxsendmsgimg)
+    j = mass_send(request.method, request.json, wechat.webwxsendmsgimg)
-    return flask.Response(json.dumps(j), mimetype='application/json')
+    return jsonify(j)
 
 
 @app.route('/mass_send_emot', methods=["GET", "POST"])
@@ -239,8 +230,8 @@ def mass_send_emot():
     """
     @brief      send emoticon to mass users or gourps
     """
-    j = mass_send(flask.request.method, flask.request.json, wechat.webwxsendemoticon)
+    j = mass_send(request.method, request.json, wechat.webwxsendemoticon)
-    return flask.Response(json.dumps(j), mimetype='application/json')
+    return jsonify(j)
 
 
 @app.route('/mass_send_file', methods=["GET", "POST"])
@@ -248,8 +239,8 @@ def mass_send_file():
     """
     @brief      send file to mass users or gourps
     """
-    j = mass_send(flask.request.method, flask.request.json, wechat.webwxsendappmsg)
+    j = mass_send(request.method, request.json, wechat.webwxsendappmsg)
-    return flask.Response(json.dumps(j), mimetype='application/json')
+    return jsonify(j)
 
 
 def run_server():
@@ -275,4 +266,3 @@ while True:
     else:
         # kill process
         os.system(Constant.LOG_MSG_KILL_PROCESS % os.getpid())
-