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Description:

gumd 0.0.21

"I've been googling for some time now, and still have yet to find a working example of Python multicast"
Behold gumd.

Grande Unicast M ulticast D aemon

Latest is v.0.0.17

Install

python3 -mpip install gumd

Use gumd (Daemon) programmatically
>>>> from gumd import GumD
>>>> gumd =GumD('235.35.3.5:3535',ttl=1)
>>>> gumd.send_stream("/home/a/stuff")
stream uri: udp://@235.35.3.5:3535
>>>>

Use gumc (Client) programmatically
>>>> from gumc import GumC
>>>> gumc = GumC("udp://@235.35.3.5:3535")
>>>> data = gumc.read(8)
>>>> data
b'Helloooo'

Cli tools

The cli tools gumd and gumc try to install to ~/.local/bin
make sure ~/.local/bin is in your path I have this at the end my .bashrc

PLAN9=/home/a/plan9port export PLAN9
PATH=/home/a/.local/bin:$PLAN9:$PATH export PATH

if you dont get them installed, roll your own.

gumd (Daemon)

#!/usr/bin/env python3

from gumd import cli

cli()

gumc (Client)

#!/usr/bin/env python3

from gumc import cli

cli()

Install cli tools

install gumd /usr/local/bin # or ~/.local/bin
install gumc /usr/local/bin # or ~/.local/bin

Use gumd (Daemon) cli

Supported input mpegts URIs:

files gumd -i /home/me/vid.ts

http(s) gumd -i https://futzu.com/xaa.ts

udp gumd -i udp://127.0.0.1:4000

multicast gumd -i udp://@235.1.2.3:4567

reading from stdin cat myvideo.ts | gumd

usage: gumd [-h] [-i INPUT] [-a ADDR] [-u] [-b BIND_ADDR] [-t TTL] [-v]

optional arguments:
-h, --help show this help message and exit
-i INPUT, --input INPUT
like "/home/a/vid.ts" or "udp://@235.35.3.5:3535" or "https://futzu.com/xaa.ts"
-a ADDR, --addr ADDR Destination Address:Port like "227.1.3.10:4310"
-u, --unicast Use Unicast instead of Multicast
-b BIND_ADDR, --bind_addr BIND_ADDR
Local IP and Port to bind to like "192.168.1.34:5555". Default is "0.0.0.0:1025"
-t TTL, --ttl TTL Multicast TTL 1 - 255
-v, --version Show version

start gumd (Daemon) cli
a@debian:~/gumd$ gumd -i /home/a/abc.py
stream uri: udp://@235.35.3.5:3535
a@debian:~/gumd$

use gumc (Client) cli
usage: gumc [-h] [-i INSTUFF] [-b BYTESIZE] [-v]

options:
-h, --help show this help message and exit
-i INSTUFF, --instuff INSTUFF
default is 'udp://@235.35.3.5:3535'
-b BYTESIZE, --bytesize BYTESIZE
Number of bytes to read. default is 1
-v, --version Show version

start gumc (Client) cli
a@debian:~/build/clean/gumd$ gumc -i udp://@235.35.3.5:3535 -b 1024

Test gumd and gumc together

first terminal, start the client, gumc

a@debian:~/build/clean/gumd$ pypy3 gumc.py -b 5 -i udp://@235.35.3.5:3535

second terminal,start the daemon, gumd__ and send a "hello"

a@debian:~/build/clean/gumd$ printf 'hello' | gumd -a 235.35.3.5:3535
stream uri: udp://@235.35.3.5:3535

play gumd (Daemon) stream with ffplay
ffplay udp://@235.35.3.5:3535

segment stream from gumd (Daemon) into hls with x9k3
pypy3 x9k3.py -i udp://@235.35.3.5:3535

read 13 bytes from a multicast stream with gumc (Client)
gumc -i udp://@235.35.3.5:3535 -b 13

read 10000 bytes from a multicast stream with gumc (Client)
gumc -i udp://@235.35.3.5:3535 -b 10000

Note: a multicast client works a little differently than most people expect.
You must specify a size to read or the client will never return.

.
Phase One: Expose the Pep Deep State

* [Phase One has begun](https://github.com/python/peps/compare/main...futzu:peps:main)