Add webpy chat example

examples/webpy_chat/server.py

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+#!/usr/bin/env python
+#coding:utf-8
+
+from gevent import monkey
+monkey.patch_all()
+
+import web
+from web.contrib.template import render_mako
+from web.httpserver import StaticMiddleware
+
+from socketio import server, socketio_manage
+from socketio.namespace import BaseNamespace
+from socketio.mixins import RoomsMixin, BroadcastMixin
+
+
+render = render_mako(
+    directories=['templates'],
+    input_encoding='utf-8',
+    output_encoding='utf-8',
+)
+
+urls = (
+    '/', 'IndexHandler',
+    '/socket.io/.*', 'SocketHandler',
+)
+
+app = web.application(urls, globals())
+
+
+class ChatNamespace(BaseNamespace, RoomsMixin, BroadcastMixin):
+    def on_nickname(self, nickname):
+        self.request['nicknames'].append(nickname)
+        self.socket.session['nickname'] = nickname
+        self.broadcast_event('announcement', '%s has connected' % nickname)
+        self.broadcast_event('nicknames', self.request['nicknames'])
+        # Just have them join a default-named room
+        self.join('main_room')
+
+    def recv_disconnect(self):
+        # Remove nickname from the list.
+        nickname = self.socket.session['nickname']
+        self.request['nicknames'].remove(nickname)
+        self.broadcast_event('announcement', '%s has disconnected' % nickname)
+        self.broadcast_event('nicknames', self.request['nicknames'])
+
+        self.disconnect(silent=True)
+
+    def on_user_message(self, msg):
+        self.emit_to_room(
+            'main_room',
+            'msg_to_room',
+            self.socket.session['nickname'],
+            msg
+        )
+
+    def recv_message(self, message):
+        print "PING!!!", message
+
+
+class IndexHandler:
+    def GET(self):
+        return render.chat()
+
+
+class SocketHandler:
+    def GET(self):
+        socketio_manage(web.ctx.environ, {'': ChatNamespace}, request)
+
+request = {
+    'nicknames': []
+}
+
+application = app.wsgifunc(StaticMiddleware)
+
+
+if __name__ == "__main__":
+    print 'Listening on port 8080 and on port 10843 (flash policy server)'
+    server.SocketIOServer(
+        ('localhost', 8080),
+        application,
+        resource="socket.io",
+        policy_server=True,
+        policy_listener=('0.0.0.0', 10843),
+    ).serve_forever()

examples/webpy_chat/static/css/style.css

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+#chat,
+#nickname,
+#messages {
+  width: 600px;
+}
+#chat {
+  position: relative;
+  border: 1px solid #ccc;
+}
+#nickname,
+#connecting {
+  position: absolute;
+  height: 410px;
+  z-index: 100;
+  left: 0;
+  top: 0;
+  background: #fff;
+  text-align: center;
+  width: 600px;
+  font: 15px Georgia;
+  color: #666;
+  display: block;
+}
+#nickname .wrap,
+#connecting .wrap {
+  padding-top: 150px;
+}
+#nickname input {
+  border: 1px solid #ccc;
+  padding: 10px;
+}
+#nickname input:focus {
+  border-color: #999;
+  outline: 0;
+}
+#nickname #nickname-err {
+  color: #8b0000;
+  font-size: 12px;
+  visibility: hidden;
+}
+.connected #connecting {
+  display: none;
+}
+.nickname-set #nickname {
+  display: none;
+}
+#messages {
+  height: 380px;
+  background: #eee;
+}
+#messages em {
+  text-shadow: 0 1px 0 #fff;
+  color: #999;
+}
+#messages p {
+  padding: 0;
+  margin: 0;
+  font: 12px Helvetica, Arial;
+  padding: 5px 10px;
+}
+#messages p b {
+  display: inline-block;
+  padding-right: 10px;
+}
+#messages p:nth-child(even) {
+  background: #fafafa;
+}
+#messages #nicknames {
+  background: #ccc;
+  padding: 2px 4px 4px;
+  font: 11px Helvetica;
+}
+#messages #nicknames span {
+  color: #000;
+}
+#messages #nicknames b {
+  display: inline-block;
+  color: #fff;
+  background: #999;
+  padding: 3px 6px;
+  margin-right: 5px;
+  -webkit-border-radius: 10px;
+  -moz-border-radius: 10px;
+  border-radius: 10px;
+  text-shadow: 0 1px 0 #666;
+}
+#messages #lines {
+  height: 355px;
+  overflow: auto;
+  overflow-x: hidden;
+  overflow-y: auto;
+}
+#messages #lines::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+#messages #lines::-webkit-scrollbar-button:start:decrement,
+#messages #lines ::-webkit-scrollbar-button:end:increment {
+  display: block;
+  height: 10px;
+}
+#messages #lines::-webkit-scrollbar-button:vertical:increment {
+  background-color: #fff;
+}
+#messages #lines::-webkit-scrollbar-track-piece {
+  background-color: #fff;
+  -webkit-border-radius: 3px;
+}
+#messages #lines::-webkit-scrollbar-thumb:vertical {
+  height: 50px;
+  background-color: #ccc;
+  -webkit-border-radius: 3px;
+}
+#messages #lines::-webkit-scrollbar-thumb:horizontal {
+  width: 50px;
+  background-color: #fff;
+  -webkit-border-radius: 3px;
+}
+#send-message {
+  background: #fff;
+  position: relative;
+}
+#send-message input {
+  border: none;
+  height: 30px;
+  padding: 0 10px;
+  line-height: 30px;
+  vertical-align: middle;
+  width: 580px;
+}
+#send-message input:focus {
+  outline: 0;
+}
+#send-message button {
+  position: absolute;
+  top: 5px;
+  right: 5px;
+}
+button {
+  margin: 0;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  user-select: none;
+  display: inline-block;
+  text-decoration: none;
+  background: #43a1f7;
+  background: -webkit-gradient(linear, left top, left bottom, color-stop(0, #43a1f7), color-stop(1, #377ad0));
+  background: -webkit-linear-gradient(top, #43a1f7 0%, #377ad0 100%);
+  background: -moz-linear-gradient(top, #43a1f7 0%, #377ad0 100%);
+  background: linear-gradient(top, #43a1f7 0%, #377ad0 100%);
+  border: 1px solid #2e70c4;
+  -webkit-border-radius: 16px;
+  -moz-border-radius: 16px;
+  border-radius: 16px;
+  color: #fff;
+  font-family: "lucida grande", sans-serif;
+  font-size: 11px;
+  font-weight: normal;
+  line-height: 1;
+  padding: 3px 10px 5px 10px;
+  text-align: center;
+  text-shadow: 0 -1px 1px #2d6dc0;
+}
+button:hover,
+button.hover {
+  background: darker;
+  background: -webkit-gradient(linear, left top, left bottom, color-stop(0, #43a1f7), color-stop(1, #2e70c4));
+  background: -webkit-linear-gradient(top, #43a1f7 0%, #2e70c4 100%);
+  background: -moz-linear-gradient(top, #43a1f7 0%, #2e70c4 100%);
+  background: linear-gradient(top, #43a1f7 0%, #2e70c4 100%);
+  border: 1px solid #2e70c4;
+  cursor: pointer;
+  text-shadow: 0 -1px 1px #2c6bbb;
+}
+button:active,
+button.active {
+  background: #2e70c4;
+  border: 1px solid #2e70c4;
+  border-bottom: 1px solid #2861aa;
+  text-shadow: 0 -1px 1px #2b67b5;
+}
+button:focus,
+button.focus {
+  outline: none;
+  -webkit-box-shadow: 0 1px 0 0 rgba(255,255,255,0.4), 0 0 4px 0 #377ad0;
+  -moz-box-shadow: 0 1px 0 0 rgba(255,255,255,0.4), 0 0 4px 0 #377ad0;
+  box-shadow: 0 1px 0 0 rgba(255,255,255,0.4), 0 0 4px 0 #377ad0;
+}