anki/docs/development.md
2020-11-04 14:01:14 +10:00

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# Anki development
## Packaged betas
For non-developers who want to try this development code, the easiest way is
to use a packaged version - please see:
https://betas.ankiweb.net/#/
You are welcome to run Anki from source instead, but it is expected that you can
sort out issues by yourself - we are not able to provide support for problems
you encounter when running from source.
## Pre-built Python wheels
If you want to run Anki from a local Python installation but don't want
to make changes to the source code, you can install pre-built packages from PyPI.
For older versions:
```
$ python -m venv pyenv
$ pyenv/bin/pip install aqt anki ankirspy pyqt5 pyqtwebengine
$ pyenv/bin/python -c 'import aqt; aqt.run()'
```
From Anki 2.1.36 onwards:
```
$ python -m venv pyenv
$ pyenv/bin/pip install aqt anki pyqtwebengine
$ pyenv/bin/python -c 'import aqt; aqt.run()'
```
## Building from source
Platform-specific instructions:
- [Windows](./windows.md)
- [Mac](./mac.md)
- [Linux](./linux.md)
Don't name the Git checkout ~/Anki or ~/Documents/Anki, as those folders
were used on old Anki versions and will be automatically moved.
Before contributing code, please see [Contributing](./contributing.md).
If you'd like to contribute translations, please see <https://translating.ankiweb.net/#/>.
## Running tests
From inside the source folder:
```
bazel test //...
```
## Fixing formatting
If the format tests fail, most can be fixed by running format_fix
in the relevant folder:
```
bazel run //rslib:format_fix
bazel run //pylib:format_fix
bazel run //pylib/rsbridge:format_fix
bazel run //qt:format_fix
```
Currently the typescript code needs to be formatted differently:
```
cd ts
./node_modules/.bin/prettier --write .
```
## Building redistributable wheels
```
bazel build -c opt //pylib/anki:wheel
bazel build -c opt //qt/aqt:wheel
```
## Tracing build problems
You can run bazel with '-s' to print the commands that are being executed.
## Subcomponents
- pylib contains a Python module (anki) with the non-GUI Python code,
and a bridge to the Rust code.
- qt contains the Qt GUI implementation (aqt).
- rslib contains the parts of the code implemented in Rust.
- ts contains Anki's typescript and sass files.
## Environmental Variables
If ANKIDEV is set before starting Anki, some extra log messages will be printed on stdout,
and automatic backups will be disabled - so please don't use this except on a test profile.
If LOGTERM is set before starting Anki, warnings and error messages that are normally placed
in the collection2.log file will also be printed on stdout.
## Mixing development and study
You may wish to create a separate profile with File>Switch Profile for use
during development. You can pass the arguments "-p [profile name]" when starting
Anki to load a specific profile.
If you're using PyCharm:
- right click on the "run" file in the root of the PyCharm Anki folder
- click "Edit 'run'..." - in Script options and enter:
"-p [dev profile name]" without the quotes
- click "Ok"
# Instructions need updating:
optional deps:
pyaudio
dpkg: portaudio19-dev
mpv
lame
1. Download and install the pyaudio wheel from: https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyaudio