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#+STARTUP: inlineimages
#+TITLE: GeneNetwork Quality Control Application
** Project Goals
The project seeks to handle the checking of data files for correct syntax and
other errors before allowing the code to be uploaded.
The files are *"tab-separated"* values (TSV) files, and must conform to the
following criteria:
*** Line-Level Checks
- Must be tab-separated
-
*** Cell-Level Checks
- No empty data cells
- no data cells with spurious characters like `eeeee`, `5.555iloveguix`, etc.
- decimal numbers must conform to the following criteria:
- - when checking an average file decimal numbers must contain exactly three places to the right side of the dot.
- - when checking a standard error file decimal numbers must contain six or greater places to the right side of the dot.
- - there must be a number to the left side of the dot (e.g. 0.55555 is allowed but .55555 is not).
- check line endings to make sure they are Unix and not DOS
- check strain headers against a source of truth (see strains.csv)
** Development
For reproducibility, this project is developed using guix.
To launch a guix shell for development, do
#+BEGIN_SRC shell
guix shell --container --network --pure --manifest=manifest.scm --share=/some/host/directory=/the/upload/directory
#+END_SRC
which environment that is isolated from the rest of your system.
We share a host directory with the container (that is writeable by the user that
started the web application) to serve as the upload directory for the
application.
*** Run the CLI version
Run the CLI version of the application, with
#+BEGIN_SRC shell
python3 -m scripts.qc --help
#+END_SRC
*** Run the web version
You need to have a running Redis instance, and configure the application to
connect to it.
To run the web-version of the qc app in development mode, you need to set up a
few environment variables
#+BEGIN_SRC shell
export FLASK_APP=wsgi.py
export FLASK_ENV=development
export QCAPP_INSTANCE_PATH=/path/to/directory/with/config.py
#+END_SRC
then you can run the application with
#+BEGIN_SRC shell
flask run
#+END_SRC
*** Checks
Run tests with:
#+BEGIN_SRC shell
pytest
#+END_SRC
To run the linter over the code base, run:
#+BEGIN_SRC shell
pylint tests quality_control qc_app
#+END_SRC
To check for correct type usage in the application, run:
#+BEGIN_SRC shell
mypy --show-error-codes .
#+END_SRC
** Deploying/Installing QC
*** CLI: Docker
Generate the docker image file with
#+BEGIN_SRC shell
guix pack -f docker -S /bin=bin genenetwork-qc
#+END_SRC
That creates the image file with a path such as:
#+BEGIN_EXAMPLE
/gnu/store/ibz5qlwzv0lyply2by7422z0c6jfaa6s-genenetwork-qc-docker-pack.tar.gz
#+END_EXAMPLE
You can now load this file into docker withe
#+BEGIN_SRC shell
docker load < /gnu/store/ibz5qlwzv0lyply2by7422z0c6jfaa6s-genenetwork-qc-docker-pack.tar.gz
#+END_SRC
and from there, you can run the application as detailed in the
[[#run-cli-version][Running QC: CLI-Version]] section below
*** CLI: Guix
The application can be installed using guix by pointing to the [[./guix.scm][guix.scm]] file as
follows:
#+BEGIN_SRC shell
guix package [-p /path/to/qc/profile] -f guix.scm
#+END_SRC
*** Web-Version
**** TODO Document deployment details for the web version of GeneNetwork QC better
** Running QC
*** Command-Line Version
:PROPERTIES:
:CUSTOM_ID: run-cli-version
:END:
Install the application as shown in the [[Installing QC]] section above.
To run qc against a file, the syntax is:
#+BEGIN_SRC shell
qc [--strainsfile <strainsfile-path>] [--verbose] <filetype> <filepath>
#+END_SRC
where
- ~<filetype>~ is one of "*average*" or "*standard-error*"
- ~<filepath>~ is either an absolute path to the file, or a path relative to the
current working directory
- if the ~--strainsfile~ option is not provided, it will default to the one in
the root directory of this repository
- the ~--verbose~ option is a flag, defaulting to ~False~ that controls the
display of optional progress messages
To view the usage information for the application, run
#+BEGIN_SRC shell
qc --help
#+END_SRC
*** Web Version
**** TODO Document usage of the web-UI version of the application
*** Docker
Download the docker image file from [[https://git.genenetwork.org/fredmanglis/gnqc_py/releases][the releases page]] of the application and
load it to docker with something like:
#+BEGIN_SRC shell
docker load < genenetwork-qc-0.0.1-1-oxu472i-docker.tar.gz
#+END_SRC
replacing ~genenetwork-qc-0.0.1-1-oxu472i.tar.gz~ with the actual name of the
release you downloaded
Run the application with something like:
#+BEGIN_SRC shell
docker run -v /path/to/qnqc_py/tests/test_data:/data -ti \
genenetwork-qc:latest /bin/qc average /data/average_error_at_end_200MB.tsv
#+END_SRC
replacing ~/path/to/qnqc_py/tests/test_data~ with the path to the folder where
the file you want to check is in, and ~average_error_at_end_200MB.tsv~ with the
name of the file you want to check for errors.
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