add lisp packages

lisp/emacs-application-framework/app/markdown-previewer/buffer.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Copyright (C) 2018 Andy Stewart
+#
+# Author:     Andy Stewart <lazycat.manatee@gmail.com>
+# Maintainer: Andy Stewart <lazycat.manatee@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from PyQt5.QtCore import QUrl
+from PyQt5.QtGui import QColor
+from core.browser import BrowserBuffer
+from core.utils import PostGui, get_free_port
+import os
+import subprocess
+import threading
+
+class AppBuffer(BrowserBuffer):
+    def __init__(self, buffer_id, url, config_dir, arguments, emacs_var_dict, module_path):
+        BrowserBuffer.__init__(self, buffer_id, url, config_dir, arguments, emacs_var_dict, module_path, False)
+
+        # Get free port to render markdown.
+        self.port = get_free_port()
+        self.url = url
+
+        # Start markdown render process.
+        if arguments == "":
+            subprocess.Popen("grip {0} {1}".format(url, self.port), shell=True)
+        else:
+            subprocess.Popen("grip --pass {0} {1} {2}".format(arguments, url, self.port), shell=True)
+
+        # Add timer make load markdown preview link after grip process start finish.
+        timer = threading.Timer(2, self.load_markdown_server)
+        timer.start()
+
+    @PostGui()
+    def load_markdown_server(self):
+        self.buffer_widget.setUrl(QUrl("http://localhost:{0}".format(self.port)))
+
+        paths = os.path.split(self.url)
+        if len(paths) > 0:
+            self.change_title(paths[-1])