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bbcpy-0.1.1
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مشاهده بیشترتوضیحات
A novel Python BCI toolbox
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | bbcpy-0.1.1 |
| نام | bbcpy |
| نسخه کتابخانه | 0.1.1 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Neurotechnology Group TU Berlin |
| ایمیل نویسنده | bbcpy@tu-berlin.de |
| آدرس صفحه اصلی | https://github.com/bbcpy/bbcpy |
| آدرس اینترنتی | https://pypi.org/project/bbcpy/ |
| مجوز | MIT |
# BBCpy
[](https://travis-ci.com/pulyaevskiy/test-coverage)
Write everything that is needed to be known to develop within this project into this readme.
This serves as a reminder to ourselves but also to facilitate collaboration.
Don't hesitate too long to write what you find or know. If its wrong it still helps to progress from there.
If someone else knows better that is good for the project.
Try to describe also some 'easy' things that can be googled but not the very basic python stuff.
It's always good to document why we did certain things in certain ways.
## Basic Structure
There are different specific datatypes for each application. These come with a number of methods and are derived from
numpys np.ndarray. This makes them compatible with scikit-learn, pytorch and other toolboxes.
### Data structure and Indexing
The data structure is similar to scikit-learn. The first dimension is the epochs, the second the channels and the last
the time domain.
Indexing also works with strings to direclty work with units or channel names e.g..
```
#select all but some (here exclude all frontal and fronto-central) channels:
print(imagVPaw['~F*'].shape)
#can also be combined - selecting all frontal channels except for 7 and 8s e.g.:
print(imagVPaw[['F?', '~*7', '~*8']].shape)
print(imagVPaw[['F?,~*7,~*8']].chans)
#adding advanced slicing with units - e.g. 2s to 5s in steps of 100ms:
print(imagVPaw['~F*', '2s:5s:100ms'].shape)
#you may also select single time points:
print(imagVPaw[:, '2s,5s,100ms'].shape)
#the same can be separated in a list:
print(imagVPaw[:, ['2s', '5s', '100ms']].shape)
cnt_bp = imagVPaw.lfilter(band)
epo_bp = cnt_bp.epochs(ival)
#also works on epoched data, also with comma separation, each taken individually
print(epo_bp[:, ['C?,~*3,~*4', 'FC*,~*3,~*4']].chans)
```
### Functions
The *bbcpy.function* libraries consists of different submodules that are named by their specification. Everything here
can be directly used within our scikit-learn compatible *bbcpy.pipeline*.
Everything in *bbcpy.functions* that starts with a capital letter (*bbcpy.spatial.CSP* e.g.) is directly implemented as
a transformer and needs to be fitted (*.fit()*) before being applied (*.transform()*).
It is easy to import other functions into the toolbox using *bbcpy.functions.base.ImportFunc*. You can also directly use
numpy compatible functions in the pipeline but that does not guarantee that the indivudal datatype is not lost and
(standard) parameters are not straightforwardly implemented.
*pipeline = bbcpy.pipeline.make_pipeline(np.mean)* calculates the mean over all dimensions, while
*pipeline = bbcpy.pipeline.make_pipeline(bbcpy.functions.base.ImportFunc(np.mean, axis=-1, outClass='same'))* makes it
work in the time domain and keeps the class.
You can also import a function to be used on data directly:
mean = bbcpy.functions.base.ImportFunc(np.mean, axis=-1, outClass='same')
mean(data)
## Demo.py
There is a demo.py, which you can use to test some basic functionalities/play around etc.
## Development
This project defines specific requirement versions. To minimize version conflicts with already installed libraries
you should either set up a virtual environment or use a docker container for development.
In case you use an IDE (like PyCharm) you might need to configure it to use the virtual environment as-well.
In case your installed `python --version` differs from the required 3.10 the docker approach may be appropriate.
Daniel does not like that. We want a toolbox that rather works everywhere.
He thinks we should only specify a minimum version.
Also some of the selcted versions did lead to errors.
### Package Structure
The folder structure of the project is inline with the necessities of a package. There needs to be a folder named after
the project in order to be importable using `import bbpy.whatever` etc.
Within the bbcpy folder the actual code should go. The submodules are organized in subfolders.
The structure is sofar just a suggestion and debatable (best via github issues etc).
Refactoring works like a charm with pycharm.
Every folder that has an `__init__.py` can basically be imported.
The file can be empty but then nothing is imported by `import bbcpy` only the folder can be searched and imported
by `from bbcpy import types` e.g..
### Virtual Environment
Python 3 supports virtual environments natively with the [venv module](https://docs.python.org/3/tutorial/venv.html).
The following commands create the virtual environment `.venv` and install all dependencies defined in
`requirements.txt`. The virtual environment needs to be active in the terminal you work with.
Use `source .venv/bin/activate` to activate it in the bash shell or `.venv\Scripts\activate.bat` on Windows.
More information can be found [here](https://docs.python.org/3/tutorial/venv.html).
*Note: `python` may refer to version 2 on your system, in that case use `python3` in the commands instead.*
Example for Linux with bash shell:
```sh
# create virtual environment "venv"
python -m venv .venv
# activate environment
source .venv/bin/activate
# install dependencies
pip install -r requirements.txt
```
### Docker DEPRECATED
WARNING THIS DOCKER DOC IS DEPRECATED COPIED FROM AN OLD PROJECT. NEEDS TO BE UPDATED AS SOON AS WE'VE SET UP THE GIT
The docker container contains python 3.8 and all dependencies from the `requirements.txt` at the time of building and is
based on a modern ubuntu image.
To download from or publish to the container registry you need to log in first with your tu gitlab account.
In case you have 2FA enabled you need to use a
[personal access token](https://git.tu-berlin.de/help/user/profile/personal_access_tokens.md) instead of your password.
The scopes `read_registry` and `write_registry` should suffice.
The following command creates and starts the container named `bci-dev` and mounts the current directory inside.
```sh
# login if you have not already
docker login git.tu-berlin.de:5000
# run container and access it's terminal
docker run -it --name bci-dev -v "$(pwd)":/home git.tu-berlin.de:5000/roydick1.0/bcifntd2020ws:dev
```
You can work and edit files normally and may test and execute from the command line within the container.
The python executable is `python3`.
If you need other dependencies you can simply use `apt` or `pip` to install them inside the container or edit the
`requirements.txt` and build your own image with the `Dockerfile`.
### Testing
Currently, a badly copied and not working unit_testing with nose is implemented.
If you run
```sh
py setup.py test
```
It complains to be deprecated and to rather use tox:
>WARNING: Testing via this command is deprecated and will be removed in a future version. Users looking for a generic test entry point independent of test runner are encouraged to use tox.
To run nose alone, just type:
```sh
#install nose first (see https://python-packaging.readthedocs.io/en/latest/testing.html)
pip install nose
#then run tests
nosetests
```
The tests should go into the `bbcpy/tests` directory.
### Building Wheels to use with pip
Currently and old-fashioned installation using setuptools is implemented which gives the following waring:
> >SetuptoolsDeprecationWarning: setuptools.installer is deprecated. Requirements should be satisfied by a PEP 517 installer.
In order to build wheels with pip, first run the setup.py and build the package (/build):
```sh
py setup.py build
```
In the setup.py all the settings for the installation etc are given.
This includes descriptions and info that will be contained on pypi. Please update.
Also the version number is initialized, here.
After that, use build to construct the wheels distribution (/dist):
```sh
#if you haven't so far, install build
py -m pip install --upgrade build
#then run it
py -m build
```
and then finally upload the wheel to pypi:
```sh
#if you haven't so far, install twine
pip install twine
#and then run it to upload to pypi
py -m twine upload --repository pypi dist/*
```
Finally, the new version is uploaded and can be installed anywhere by
```sh
pip install bbcpy
```
نیازمندی
| مقدار | نام |
|---|---|
| - | scikit-learn |
| - | pyriemann |
| - | numpy |
| - | scipy |
| - | matplotlib |
| - | pytest |
نحوه نصب
نصب پکیج whl bbcpy-0.1.1:
pip install bbcpy-0.1.1.whl
نصب پکیج tar.gz bbcpy-0.1.1:
pip install bbcpy-0.1.1.tar.gz