wechatmp_service: image and voice reply supported

channel/wechatmp/service_account.py

@@ -23,7 +23,11 @@ class Query:
             webData = web.data()
             # logger.debug("[wechatmp] Receive request:\n" + webData.decode("utf-8"))
             wechatmp_msg = receive.parse_xml(webData)
-            if wechatmp_msg.msg_type == "text" or wechatmp_msg.msg_type == "voice":
+            if (
+                wechatmp_msg.msg_type == "text" 
+                or wechatmp_msg.msg_type == "voice" 
+                # or wechatmp_msg.msg_type == "image"
+            ):
                 from_user = wechatmp_msg.from_user_id
                 message = wechatmp_msg.content.decode("utf-8")
                 message_id = wechatmp_msg.msg_id

channel/wechatmp/wechatmp_channel.py

@@ -1,26 +1,25 @@
 # -*- coding: utf-8 -*-
-import json
-import threading
-import time
-
-import requests
 import web
-
+import io
+import imghdr
+import requests
 from bridge.context import *
 from bridge.reply import *
 from channel.chat_channel import ChatChannel
+from channel.wechatmp.wechatmp_client import WechatMPClient
 from channel.wechatmp.common import *
 from common.expired_dict import ExpiredDict
 from common.log import logger
+from common.tmp_dir import TmpDir
 from common.singleton import singleton
 from config import conf
 
 # If using SSL, uncomment the following lines, and modify the certificate path.
-# from cheroot.server import HTTPServer
-# from cheroot.ssl.builtin import BuiltinSSLAdapter
-# HTTPServer.ssl_adapter = BuiltinSSLAdapter(
-#         certificate='/ssl/cert.pem',
-#         private_key='/ssl/cert.key')
+from cheroot.server import HTTPServer
+from cheroot.ssl.builtin import BuiltinSSLAdapter
+HTTPServer.ssl_adapter = BuiltinSSLAdapter(
+        certificate='/ssl/cert.pem',
+        private_key='/ssl/cert.key')
 
 
 @singleton
@@ -30,6 +29,7 @@ class WechatMPChannel(ChatChannel):
         self.passive_reply = passive_reply
         self.running = set()
         self.received_msgs = ExpiredDict(60 * 60 * 24)
+        self.client = WechatMPClient()
         if self.passive_reply:
             self.NOT_SUPPORT_REPLYTYPE = [ReplyType.IMAGE, ReplyType.VOICE]
             self.cache_dict = dict()
@@ -37,85 +37,65 @@ class WechatMPChannel(ChatChannel):
             self.query2 = dict()
             self.query3 = dict()
         else:
-            # TODO support image
-            self.NOT_SUPPORT_REPLYTYPE = [ReplyType.IMAGE, ReplyType.VOICE]
-            self.app_id = conf().get("wechatmp_app_id")
-            self.app_secret = conf().get("wechatmp_app_secret")
-            self.access_token = None
-            self.access_token_expires_time = 0
-            self.access_token_lock = threading.Lock()
-            self.get_access_token()
+            self.NOT_SUPPORT_REPLYTYPE = []
+
 
     def startup(self):
         if self.passive_reply:
-            urls = ("/wx", "channel.wechatmp.SubscribeAccount.Query")
+            urls = ("/wx", "channel.wechatmp.subscribe_account.Query")
         else:
-            urls = ("/wx", "channel.wechatmp.ServiceAccount.Query")
+            urls = ("/wx", "channel.wechatmp.service_account.Query")
         app = web.application(urls, globals(), autoreload=False)
         port = conf().get("wechatmp_port", 8080)
         web.httpserver.runsimple(app.wsgifunc(), ("0.0.0.0", port))
 
-    def wechatmp_request(self, method, url, **kwargs):
-        r = requests.request(method=method, url=url, **kwargs)
-        r.raise_for_status()
-        r.encoding = "utf-8"
-        ret = r.json()
-        if "errcode" in ret and ret["errcode"] != 0:
-            raise WeChatAPIException("{}".format(ret))
-        return ret
-
-    def get_access_token(self):
-        # return the access_token
-        if self.access_token:
-            if self.access_token_expires_time - time.time() > 60:
-                return self.access_token
-
-        # Get new access_token
-        # Do not request access_token in parallel! Only the last obtained is valid.
-        if self.access_token_lock.acquire(blocking=False):
-            # Wait for other threads that have previously obtained access_token to complete the request
-            # This happens every 2 hours, so it doesn't affect the experience very much
-            time.sleep(1)
-            self.access_token = None
-            url = "https://api.weixin.qq.com/cgi-bin/token"
-            params = {
-                "grant_type": "client_credential",
-                "appid": self.app_id,
-                "secret": self.app_secret,
-            }
-            data = self.wechatmp_request(method="get", url=url, params=params)
-            self.access_token = data["access_token"]
-            self.access_token_expires_time = int(time.time()) + data["expires_in"]
-            logger.info("[wechatmp] access_token: {}".format(self.access_token))
-            self.access_token_lock.release()
-        else:
-            # Wait for token update
-            while self.access_token_lock.locked():
-                time.sleep(0.1)
-        return self.access_token
 
     def send(self, reply: Reply, context: Context):
+        receiver = context["receiver"]
         if self.passive_reply:
-            receiver = context["receiver"]
             self.cache_dict[receiver] = reply.content
-            logger.info("[send] reply to {} saved to cache: {}".format(receiver, reply))
+            logger.info("[wechatmp] reply cached reply to {}: {}".format(receiver, reply))
         else:
-            receiver = context["receiver"]
+            if reply.type == ReplyType.TEXT or reply.type == ReplyType.INFO or reply.type == ReplyType.ERROR:
                 reply_text = reply.content
-            url = "https://api.weixin.qq.com/cgi-bin/message/custom/send"
-            params = {"access_token": self.get_access_token()}
-            json_data = {
-                "touser": receiver,
-                "msgtype": "text",
-                "text": {"content": reply_text},
-            }
-            self.wechatmp_request(
-                method="post",
-                url=url,
-                params=params,
-                data=json.dumps(json_data, ensure_ascii=False).encode("utf8"),
-            )
-            logger.info("[send] Do send to {}: {}".format(receiver, reply_text))
+                self.client.send_text(receiver, reply_text)
+                logger.info("[wechatmp] Do send to {}: {}".format(receiver, reply_text))
+
+            elif reply.type == ReplyType.VOICE:
+                voice_file_path = reply.content
+                logger.info("[wechatmp] voice file path {}".format(voice_file_path))
+
+                with open(voice_file_path, 'rb') as f:
+                    filename = receiver + "-" + context["msg"].msg_id + ".mp3"
+                    media_id = self.client.upload_media("voice", (filename, f, "audio/mpeg"))
+                    self.client.send_voice(receiver, media_id)
+                    logger.info("[wechatmp] Do send voice to {}".format(receiver))
+
+            elif reply.type == ReplyType.IMAGE_URL:  # 从网络下载图片
+                img_url = reply.content
+                pic_res = requests.get(img_url, stream=True)
+                print(pic_res.headers)
+                image_storage = io.BytesIO()
+                for block in pic_res.iter_content(1024):
+                    image_storage.write(block)
+                image_storage.seek(0)
+                image_type = imghdr.what(image_storage)
+                filename = receiver + "-" + context["msg"].msg_id + "." + image_type
+                content_type = "image/" + image_type
+                # content_type = pic_res.headers.get('content-type')
+                media_id = self.client.upload_media("image", (filename, image_storage, content_type))
+                self.client.send_image(receiver, media_id)
+                logger.info("[wechatmp] sendImage url={}, receiver={}".format(img_url, receiver))
+            elif reply.type == ReplyType.IMAGE:  # 从文件读取图片
+                image_storage = reply.content
+                image_storage.seek(0)
+                image_type = imghdr.what(image_storage)
+                filename = receiver + "-" + context["msg"].msg_id + "." + image_type
+                content_type = "image/" + image_type
+                media_id = self.client.upload_media("image", (filename, image_storage, content_type))
+                self.client.send_image(receiver, media_id)
+                logger.info("[wechatmp] sendImage, receiver={}".format(receiver))
+
         return
 
     def _success_callback(self, session_id, context, **kwargs):  # 线程异常结束时的回调函数

channel/wechatmp/wechatmp_client.py

@@ -0,0 +1,125 @@
+import time
+import json
+import requests
+import threading
+from channel.wechatmp.common import *
+from common.log import logger
+from config import conf
+
+
+class WechatMPClient:
+    def __init__(self):
+        self.app_id = conf().get("wechatmp_app_id")
+        self.app_secret = conf().get("wechatmp_app_secret")
+        self.access_token = None
+        self.access_token_expires_time = 0
+        self.access_token_lock = threading.Lock()
+        self.get_access_token()
+
+
+    def wechatmp_request(self, method, url, **kwargs):
+        r = requests.request(method=method, url=url, **kwargs)
+        r.raise_for_status()
+        r.encoding = "utf-8"
+        ret = r.json()
+        if "errcode" in ret and ret["errcode"] != 0:
+            raise WeChatAPIException("{}".format(ret))
+        return ret
+
+    def get_access_token(self):
+        # return the access_token
+        if self.access_token:
+            if self.access_token_expires_time - time.time() > 60:
+                return self.access_token
+
+        # Get new access_token
+        # Do not request access_token in parallel! Only the last obtained is valid.
+        if self.access_token_lock.acquire(blocking=False):
+            # Wait for other threads that have previously obtained access_token to complete the request
+            # This happens every 2 hours, so it doesn't affect the experience very much
+            time.sleep(1)
+            self.access_token = None
+            url = "https://api.weixin.qq.com/cgi-bin/token"
+            params = {
+                "grant_type": "client_credential",
+                "appid": self.app_id,
+                "secret": self.app_secret,
+            }
+            ret = self.wechatmp_request(method="get", url=url, params=params)
+            self.access_token = ret["access_token"]
+            self.access_token_expires_time = int(time.time()) + ret["expires_in"]
+            logger.info("[wechatmp] access_token: {}".format(self.access_token))
+            self.access_token_lock.release()
+        else:
+            # Wait for token update
+            while self.access_token_lock.locked():
+                time.sleep(0.1)
+        return self.access_token
+
+
+    def send_text(self, receiver, reply_text):
+        url = "https://api.weixin.qq.com/cgi-bin/message/custom/send"
+        params = {"access_token": self.get_access_token()}
+        json_data = {
+            "touser": receiver,
+            "msgtype": "text",
+            "text": {"content": reply_text},
+        }
+        self.wechatmp_request(
+            method="post",
+            url=url,
+            params=params,
+            data=json.dumps(json_data, ensure_ascii=False).encode("utf8"),
+        )
+
+
+    def send_voice(self, receiver, media_id):
+        url="https://api.weixin.qq.com/cgi-bin/message/custom/send"
+        params = {"access_token": self.get_access_token()}
+        json_data = {
+            "touser": receiver,
+            "msgtype": "voice",
+            "voice": {
+                "media_id": media_id
+            }
+        }
+        self.wechatmp_request(
+            method="post",
+            url=url,
+            params=params,
+            data=json.dumps(json_data, ensure_ascii=False).encode("utf8"),
+        )
+
+    def send_image(self, receiver, media_id):
+        url="https://api.weixin.qq.com/cgi-bin/message/custom/send"
+        params = {"access_token": self.get_access_token()}
+        json_data = {
+            "touser": receiver,
+            "msgtype": "image",
+            "image": {
+                "media_id": media_id
+            }
+        }
+        self.wechatmp_request(
+            method="post",
+            url=url,
+            params=params,
+            data=json.dumps(json_data, ensure_ascii=False).encode("utf8"),
+        )
+
+
+    def upload_media(self, media_type, media_file):
+        url="https://api.weixin.qq.com/cgi-bin/media/upload"
+        params={
+            "access_token": self.get_access_token(),
+            "type": media_type
+        }
+        files={"media": media_file}
+        logger.info("[wechatmp] media {} uploaded".format(media_file))
+        ret = self.wechatmp_request(
+            method="post",
+            url=url,
+            params=params,
+            files=files
+        )
+        return ret["media_id"]

voice/pytts/pytts_voice.py

@@ -10,7 +10,7 @@ from bridge.reply import Reply, ReplyType
 from common.log import logger
 from common.tmp_dir import TmpDir
 from voice.voice import Voice
-
+import os
 
 class PyttsVoice(Voice):
     engine = pyttsx3.init()
@@ -24,15 +24,23 @@ class PyttsVoice(Voice):
             if "Chinese" in voice.name:
                 self.engine.setProperty("voice", voice.id)
 
+        self.engine.setProperty("voice", "zh")
+
     def textToVoice(self, text):
         try:
-            wavFile = TmpDir().path() + "reply-" + str(int(time.time())) + ".wav"
-            self.engine.save_to_file(text, wavFile)
+            mp3FileName = "reply-" + str(int(time.time())) + ".mp3"
+            mp3File = TmpDir().path() + mp3FileName
+            self.engine.save_to_file(text, mp3File)
             self.engine.runAndWait()
+
+            # engine.runAndWait() will return before the file created
+            while mp3FileName not in os.listdir(TmpDir().path()):
+                time.sleep(0.1)
+
             logger.info(
-                "[Pytts] textToVoice text={} voice file name={}".format(text, wavFile)
+                "[Pytts] textToVoice text={} voice file name={}".format(text, mp3File)
             )
-            reply = Reply(ReplyType.VOICE, wavFile)
+            reply = Reply(ReplyType.VOICE, mp3File)
         except Exception as e:
             reply = Reply(ReplyType.ERROR, str(e))
         finally: