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New libpurple plugin for Telegram

This is a future successor to telegram-purple.

There is a telegram group (what else?) for discussions and support.


For missing features that someone cared about, see the list of issues:

Animated stickers

Converting animated stickers to GIFs is CPU-intensive. If this is a problem, the conversion can be disabled in account settings, or even at compile time (see below).


Binary packages for Debian, Fedora, openSUSE and Ubuntu are available at .

Package name:

  • Debian, Ubuntu: libpurple-telegram-tdlib
  • Fedora: purple-telegram-tdlib
  • openSUSE: libpurple-plugin-telegram-tdlib

Adding Ubuntu repository (replace NN.NN with the actual version - see available versions at the link above):

curl -fsSL | sudo apt-key add -
sudo apt-add-repository 'deb /'

AUR package for Arch:

Windows build is available from (copy libtelegram-tdlib.dll to libpurple plugins directory) or in releases.

Alternatively, build from source (see below).

Debugging vs. privacy

It's good to have debug log at hand whenever a glitch is observed, or to be able to reproduce the glitch with loggin turned on. With pidgin, debug log can be turn on like this:

pidgin -d >&~/pidgin.log

The debug log contains a lot of private information such as names and phone numbers of all contacts, list of all channels you've participated in or text of all sent and received messages. Be mindful of that before posting debug log on the internets. Even just saving debug log to a file can be a questionable idea if there are multiple users on the system (since permissions will be 0644 by default). Such is the nature of debugging instant messaging software.


Compatible version of TDLib should be prebuilt and installed somewhere (requires C++14). Version requirement can be found in CMakeLists.txt:

grep -o "tdlib version.*" CMakeLists.txt

TDLib can be built like this:

cd <path to TDLib sources>
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make install DESTDIR=/path/to/tdlib

See also building.

libtgvoip is required for voice calls.

Building this plugin:

mkdir build
cd build
cmake -DTd_DIR=/path/to/tdlib/usr/local/lib/cmake/Td ..

This will build with test API id, which is supposed to be rate limited and may occasionally not work. Maybe I will man up and include my API id in the source code in the future. For now, it's possible to build with -DAPI_ID=<api id> -DAPI_HASH=<api hash> to use another API id.

To install, copy the .so to libpurple plugins directory, or run make install.

Building using existing librlottie: -DNoBundledLottie=True

Building without animated sticker decoding: -DNoLottie=True

Building without localization: -DNoTranslations=True

Building without voice call support: -DNoVoip=True

Building with voice call support: -Dtgvoip_LIBRARIES="tgvoip;opus;<any other tgvoip dependencies>"

If libtgvoip is not installed in include/library path then build with

-Dtgvoip_INCLUDE_DIRS=/path/to/tgvoip/include -Dtgvoip_LIBRARIES="/path/to/libtgvoip.a;<dependencies>"

Proper user names in bitlbee

account telegram-tdlib set nick_format %full_name

Regression test

Build google test library and make install it somewhere

Run cmake with -DGTEST_PATH=/path/to/gtest

make run-tests or make tests, test/tests or valgrind test/tests

GPL compatibility: building tdlib with OpenSSL 3.0

OpenSSL versions prior to 3.0 branch have license with advertisement clause, making it incompatible with GPL. If this is a concern, a possible solution is to build with OpenSSL 3.0 which uses Apache 2.0 license.

Building OpenSSL

Remove quotes and spaces from RELEASE_DATE in VERSION.

Replace OPENSSL_VERSION_NUMBER definition with #define OPENSSL_VERSION_NUMBER 0x30000000L in include/openssl/ (not always necessary, depending on cmake version).

./config --prefix=/path/to/openssl
make install
rm /path/to/openssl/lib/*.so*

Building tdlib

Same as usual, but with additional cmake argument -DOPENSSL_ROOT_DIR=/path/to/openssl

If build fails due to linker errors with dlopen etc. not found then

sed 's/tdnet/tdcore tdnet/' -i benchmark/CMakeLists.txt