File: pingpong_nativemessaging_test.py

package info (click to toggle)
firefox 142.0.1-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,591,884 kB
  • sloc: cpp: 7,451,570; javascript: 6,392,463; ansic: 3,712,584; python: 1,388,569; xml: 629,223; asm: 426,919; java: 184,857; sh: 63,439; makefile: 19,150; objc: 13,059; perl: 12,983; yacc: 4,583; cs: 3,846; pascal: 3,352; lex: 1,720; ruby: 1,003; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 53; csh: 10
file content (35 lines) | stat: -rwxr-xr-x 1,021 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
#!/usr/bin/env python3

import json
import struct
import sys


# Read a message from stdin and decode it.
def getMessage():
    rawLength = sys.stdin.buffer.read(4)
    if len(rawLength) == 0:
        sys.exit(0)
    messageLength = struct.unpack("@I", rawLength)[0]
    message = sys.stdin.buffer.read(messageLength).decode("utf-8")
    return json.loads(message)


# Encode a message for transmission, given its content.
def encodeMessage(messageContent):
    encodedContent = json.dumps(messageContent, separators=(",", ":")).encode("utf-8")
    encodedLength = struct.pack("@I", len(encodedContent))
    return {"length": encodedLength, "content": encodedContent}


# Send an encoded message to stdout
def sendMessage(encodedMessage):
    sys.stdout.buffer.write(encodedMessage["length"])
    sys.stdout.buffer.write(encodedMessage["content"])
    sys.stdout.buffer.flush()


while True:
    receivedMessage = getMessage()
    if receivedMessage == "ping":
        sendMessage(encodeMessage("native app sends pong"))