Merge pyextra subtree

pyextra/bin/wsdump.py

@@ -0,0 +1,201 @@
+#!/usr/local/bin/python
+
+import argparse
+import code
+import sys
+import threading
+import time
+import ssl
+
+import six
+from six.moves.urllib.parse import urlparse
+
+import websocket
+
+try:
+    import readline
+except ImportError:
+    pass
+
+
+def get_encoding():
+    encoding = getattr(sys.stdin, "encoding", "")
+    if not encoding:
+        return "utf-8"
+    else:
+        return encoding.lower()
+
+
+OPCODE_DATA = (websocket.ABNF.OPCODE_TEXT, websocket.ABNF.OPCODE_BINARY)
+ENCODING = get_encoding()
+
+
+class VAction(argparse.Action):
+
+    def __call__(self, parser, args, values, option_string=None):
+        if values is None:
+            values = "1"
+        try:
+            values = int(values)
+        except ValueError:
+            values = values.count("v") + 1
+        setattr(args, self.dest, values)
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(description="WebSocket Simple Dump Tool")
+    parser.add_argument("url", metavar="ws_url",
+                        help="websocket url. ex. ws://echo.websocket.org/")
+    parser.add_argument("-p", "--proxy",
+                        help="proxy url. ex. http://127.0.0.1:8080")
+    parser.add_argument("-v", "--verbose", default=0, nargs='?', action=VAction,
+                        dest="verbose",
+                        help="set verbose mode. If set to 1, show opcode. "
+                        "If set to 2, enable to trace  websocket module")
+    parser.add_argument("-n", "--nocert", action='store_true',
+                        help="Ignore invalid SSL cert")
+    parser.add_argument("-r", "--raw", action="store_true",
+                        help="raw output")
+    parser.add_argument("-s", "--subprotocols", nargs='*',
+                        help="Set subprotocols")
+    parser.add_argument("-o", "--origin",
+                        help="Set origin")
+    parser.add_argument("--eof-wait", default=0, type=int,
+                        help="wait time(second) after 'EOF' received.")
+    parser.add_argument("-t", "--text",
+                        help="Send initial text")
+    parser.add_argument("--timings", action="store_true",
+                        help="Print timings in seconds")
+    parser.add_argument("--headers",
+                        help="Set custom headers. Use ',' as separator")
+
+    return parser.parse_args()
+
+
+class RawInput:
+
+    def raw_input(self, prompt):
+        if six.PY3:
+            line = input(prompt)
+        else:
+            line = raw_input(prompt)
+
+        if ENCODING and ENCODING != "utf-8" and not isinstance(line, six.text_type):
+            line = line.decode(ENCODING).encode("utf-8")
+        elif isinstance(line, six.text_type):
+            line = line.encode("utf-8")
+
+        return line
+
+
+class InteractiveConsole(RawInput, code.InteractiveConsole):
+
+    def write(self, data):
+        sys.stdout.write("\033[2K\033[E")
+        # sys.stdout.write("\n")
+        sys.stdout.write("\033[34m< " + data + "\033[39m")
+        sys.stdout.write("\n> ")
+        sys.stdout.flush()
+
+    def read(self):
+        return self.raw_input("> ")
+
+
+class NonInteractive(RawInput):
+
+    def write(self, data):
+        sys.stdout.write(data)
+        sys.stdout.write("\n")
+        sys.stdout.flush()
+
+    def read(self):
+        return self.raw_input("")
+
+
+def main():
+    start_time = time.time()
+    args = parse_args()
+    if args.verbose > 1:
+        websocket.enableTrace(True)
+    options = {}
+    if args.proxy:
+        p = urlparse(args.proxy)
+        options["http_proxy_host"] = p.hostname
+        options["http_proxy_port"] = p.port
+    if args.origin:
+        options["origin"] = args.origin
+    if args.subprotocols:
+        options["subprotocols"] = args.subprotocols
+    opts = {}
+    if args.nocert:
+        opts = {"cert_reqs": ssl.CERT_NONE, "check_hostname": False}
+    if args.headers:
+        options['header'] = map(str.strip, args.headers.split(','))
+    ws = websocket.create_connection(args.url, sslopt=opts, **options)
+    if args.raw:
+        console = NonInteractive()
+    else:
+        console = InteractiveConsole()
+        print("Press Ctrl+C to quit")
+
+    def recv():
+        try:
+            frame = ws.recv_frame()
+        except websocket.WebSocketException:
+            return websocket.ABNF.OPCODE_CLOSE, None
+        if not frame:
+            raise websocket.WebSocketException("Not a valid frame %s" % frame)
+        elif frame.opcode in OPCODE_DATA:
+            return frame.opcode, frame.data
+        elif frame.opcode == websocket.ABNF.OPCODE_CLOSE:
+            ws.send_close()
+            return frame.opcode, None
+        elif frame.opcode == websocket.ABNF.OPCODE_PING:
+            ws.pong(frame.data)
+            return frame.opcode, frame.data
+
+        return frame.opcode, frame.data
+
+    def recv_ws():
+        while True:
+            opcode, data = recv()
+            msg = None
+            if six.PY3 and opcode == websocket.ABNF.OPCODE_TEXT and isinstance(data, bytes):
+                data = str(data, "utf-8")
+            if not args.verbose and opcode in OPCODE_DATA:
+                msg = data
+            elif args.verbose:
+                msg = "%s: %s" % (websocket.ABNF.OPCODE_MAP.get(opcode), data)
+
+            if msg is not None:
+                if args.timings:
+                    console.write(str(time.time() - start_time) + ": " + msg)
+                else:
+                    console.write(msg)
+
+            if opcode == websocket.ABNF.OPCODE_CLOSE:
+                break
+
+    thread = threading.Thread(target=recv_ws)
+    thread.daemon = True
+    thread.start()
+
+    if args.text:
+        ws.send(args.text)
+
+    while True:
+        try:
+            message = console.read()
+            ws.send(message)
+        except KeyboardInterrupt:
+            return
+        except EOFError:
+            time.sleep(args.eof_wait)
+            return
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except Exception as e:
+        print(e)