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matrix-nio-send is now discontinued because as new features have been
added such as "listen" the name was no longer appropriate. It has been
replaced by a new project, in a new repo, named
matrix-commander.
matrix-commander is a simple Matrix CLI client that
can do everything that matrix-nio-send could do
and much more, such as listening to and reading of messages,
changing device name, and so on. Please follow the link to check
out 🔵 matrix-commander 🔵.
🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴 🔴
- simple but convenient app to send Matrix text messages as well as text, image, audio, video or other arbitrary files.
- it uses the
matrix-nioSDK, hence the namematrix-nio-send, see https://github.com/poljar/matrix-nio/
This program is a simple but convenient app to send Matrix messages. Text as well as images can be sent. It is a CLI program to be be used from the command line. There is no GUI and there are no windows.
Use cases for this program could be
- a bot or part of a bot,
- to send alerts,
- combine it with cron to publish periodic data,
- send yourself daily/weekly reminders via a cron job
- a trivial way to fire off some instant messages from the command line
- to automate sending via programs and scripts
- a "blogger" who frequently sends messages and images to the same room(s) could use it
- a person could write a diary or run a gratitutde journal by sending messages to her/his own room
This program on the first run creates a credentials.json file. The credentials.json file stores: homeserver, user id, access token, device id, and room id. On the first run it asks some questions, creates the token and device id and stores everything in the credentials.json file.
From the second time the program is run, and on all future runs it will use the homeserver, user id and access token found in the credentials file to log into the Matrix account. Now this program can be used to easily send simple text messages, images, and so forth to the preconfigured room. The messages can be provided a) in the command line (-m or --message) b) read from the keyboard c) piped into the program through a pipe from stdin (|)
It supports 4 text formats: a) text: default b) html: HTML formated text c) markdown: MarkDown formatted text d) code: used a block of fixed-sized font, ideal for ASCII art or tables, bash outputs, etc.
Typical images that can be sent are: .jpg, .gif, .png or .svg.
Arbirtary files like .txt, .pdf, .doc, audio files like .mp3 or video files like .mp4 can also be sent.
Since the credentials file holds an access token it should be protected and secured. One can use different credential files for different users or different rooms.
On creation the credentials file will always be created in the local directory, so the users sees it right away. This is fine if you have only one or a few credential files, but for better maintainability it is suggested to place your credentials files into directory $HOME/.config/matrix-nio-send/. When the program looks for a credentials file it will first look in local directory and then as secondary choice it will look in directory $HOME/.config/matrix-nio-send/.
If you want to re-use an existing device id and an existing access token, you can do so as well, just manually edit the credentials file. However, for end-to-end encryption this will NOT work.
End-to-end encryption (e2ee) is enabled by default. It cannot be turned off.
Wherever possible end-to-end encryption will be used. For e2ee to work
efficiently a store directory is needed to store e2ee data persistently.
The default location for the store directory is a local directory named
store. Alternatively, as a secondary choice the program looks for a store
directory in $HOME/.local/shared/matrix-nio-send/store/. The user can always
specify a different location via the --store argument.
The program can accept verification request and verify other devices via emojis. Do do so use the --verify option and the program will await incoming verification request and act accordingly.
In summary, TLDR: first run sets everything up, thereafter it can be used to easily publish messages from the command line. Thereafter one can also send images, audio, files or verify devices for end-to-end encryption. End-to-end encryption is enabled by default and cannot be turned off.
- Python 3.8 or higher (3.7 will NOT work) installed
- matrix-nio must be installed, see https://github.com/poljar/matrix-nio pip3 install --user --upgrade matrix-nio[e2e]
- python3 package markdown must be installed to support MarkDown format pip3 install --user --upgrade markdown
- python3 package python_magic must be installed to support image sending pip3 install --user --upgrade python_magic
- this file must be installed, and should have execution permissions chmod 755 matrix-nio-send.py
$ matrix-nio-send.py # first run; this will configure everything
$ # this created a credentials.json file
$ # optionally, if you want you can move it to the app config directory
$ mkdir $HOME/.config/matrix-nio-send.py # optional
$ mv credentials.json $HOME/.config/matrix-nio-send.py/
$ # Now you are ready to run program for a second time
$ # Let us verify the device/room to where we want to send messages
$ # The other device will issue a "verify by emoji" request
$ matrix-nio-send.py --verify
$ # Now program both configured and verified, let us send the first message
$ matrix-nio-send.py -m "First message!"
$ matrix-nio-send.py --debug # turn debugging on
$ matrix-nio-send.py --help # print help
$ matrix-nio-send.py # this will ask user for message to send
$ matrix-nio-send.py --message "Hello World!" # sends provided message
$ echo "Hello World" | matrix-nio-send.py # pipe input msg into program
$ matrix-nio-send.py -m msg1 -m msg2 # sends 2 messages
$ matrix-nio-send.py -m msg1 msg2 msg3 # sends 3 messages
$ df -h | matrix-nio-send.py --code # formatting for code/tables
$ matrix-nio-send.py -m "<b>BOLD</b> and <i>ITALIC</i>" --html
$ matrix-nio-send.py -m "- bullet1" --markdown
$ matrix-nio-send.py --credentials usr1room2 # select credentials file
$ matrix-nio-send.py -m "hi" --room '!YourRoomId:example.org'
$ # some shells require the ! of the room id to be escaped with \
$ matrix-nio-send.py -m "hi" --room r"\!YourRoomId:example.org"
$ # send 2 images and 1 text
$ matrix-nio-send.py -i photo1.jpg photo2.img -m "Do you like my 2 photos?"
$ # send 1 image and no text
$ matrix-nio-send.py -i photo1.jpg -m ""
$ # send 1 audio and 1 text to 2 rooms
$ matrix-nio-send.py -a song.mp3 -m "Do you like this song?" \
-r "!someroom1:example.com" "!someroom2:example.com"
$ # send a .pdf file and a video with a text
$ matrix-nio-send.py -f example.pdf video.mp4 -m "Here are the promised files"
usage: matrix-nio-send.py [-h] [-d] [-t CREDENTIALS] [-r ROOM [ROOM ...]]
[-m MESSAGE [MESSAGE ...]] [-i IMAGE [IMAGE ...]]
[-a AUDIO [AUDIO ...]] [-f FILE [FILE ...]] [-w]
[-z] [-c] [-p SPLIT] [-k CONFIG] [-n] [-e]
[-s STORE] [-v VERIFY]
On first run this program will configure itself. On further runs this
program implements a simple Matrix sender. It sends one or multiple text
message to one or multiple Matrix rooms. The text messages can be of format
"text", "html", "markdown" or "code". Images, audio or arbitrary files can
be sent as well. Emoji verification is built-in which can be used to verify
devices. End-to-end encryption is enabled by default and cannot be turned
off. matrix-nio (https://github.com/poljar/matrix-nio) and end-to-end
encryption packages must be installed. See dependencies in source code (or
README.md). For even more explications run this program with the --help
option or read the full documentation in the source code.
optional arguments:
-h, --help show this help message and exit
-d, --debug Print debug information
-t CREDENTIALS, --credentials CREDENTIALS
On first run, information about homeserver, user,
room id, etc. will be written to a credentials file.
By default, this file is "credentials.json". On
further runs the credentials file is read to permit
logging into the correct Matrix account and sending
messages to the preconfigured room. If this option
is provided, the provided file name will be used as
credentials file instead of the default one.
-r ROOM [ROOM ...], --room ROOM [ROOM ...]
Send to this room or these rooms. None, one or
multiple rooms can be specified. The default room is
provided in credentials file. If a room (or multiple
ones) is (or are) provided in the arguments, then it
(or they) will be used instead of the one from the
credentials file. The user must have access to the
specified room in order to send messages there.
Messages cannot be sent to arbitrary rooms. When
specifying the room id some shells require the
exclamation mark to be escaped with a blackslash.
-m MESSAGE [MESSAGE ...], --message MESSAGE [MESSAGE ...]
Send this message. If not specified, and no input
piped in from stdin, then message will be read from
stdin, i.e. keyboard. This option can be used
multiple time to send multiple messages. If there is
data is piped into this program, then first data
from the pipe is published, then messages from this
option are published.
-i IMAGE [IMAGE ...], --image IMAGE [IMAGE ...]
Send this image. This option can be used multiple
time to send multiple images. First images are send,
then text messages are send.
-a AUDIO [AUDIO ...], --audio AUDIO [AUDIO ...]
Send this audio file. This option can be used
multiple time to send multiple audio files. First
audios are send, then text messages are send.
-f FILE [FILE ...], --file FILE [FILE ...]
Send this file (e.g. PDF, DOC, MP4). This option can
be used multiple time to send multiple files. First
files are send, then text messages are send.
-w, --html Send message as format "HTML". If not specified,
message will be sent as format "TEXT". E.g. that
allows some text to be bold, etc. Only a subset of
HTML tags are accepted by Matrix.
-z, --markdown Send message as format "MARKDOWN". If not specified,
message will be sent as format "TEXT". E.g. that
allows sending of text formated in MarkDown
language.
-c, --code Send message as format "CODE". If not specified,
message will be sent as format "TEXT". If both
--html and --code are specified then --code takes
priority. This is useful for sending ASCII-art or
tabbed output like tables as a fixed-sized font will
be used for display.
-p SPLIT, --split SPLIT
If set, split the message(s) into multiple messages
wherever the string specified with --split occurs.
E.g. One pipes a stream of RSS articles into the
program and the articles are separated by three
newlines. Then with --split set to "\n\n\n" each
article will be printed in a separate message. By
default, i.e. if not set, no messages will be split.
-k CONFIG, --config CONFIG
Location of a config file. By default, no config
file is used. If this option is provided, the
provided file name will be used to read
configuration from.
-n, --notice Send message as notice. If not specified, message
will be sent as text.
-e, --encrypted Send message end-to-end encrypted. Encryption is
always turned on and will always be used where
possible. It cannot be turned off. This flag does
nothing as encryption is turned on with or without
this argument.
-s STORE, --store STORE
Path to directory to be used as "store" for
encrypted messaging. By default, this directory is
"./store/". Since encryption is always enabled, a
store is always needed. If this option is provided,
the provided directory name will be used as
persistent storage directory instead of the default
one. Preferably, for multiple executions of this
program use the same store for the same device.
-v VERIFY, --verify VERIFY
Perform verification. By default, no verification is
performed. Possible values are: "emoji". If
verification is desired, run this program in the
foreground (not as a service) and without a pipe.
Verification questions will be printed on stdout and
the user has to respond via the keyboard to accept
or reject verification. Once verification is
complete, stop the program and run it as a service
again. Don't send messages or files when you verify.
- Don't change tabbing, spacing, or formating as file is automatically linted with autopep8 --aggressive
- pylama:format=pep8:linters=pep8
- Enjoy!
- Pull request are not accepted in this repo as this project has been discontinued. Pull requests are welcome in the successor project matrix-commander.
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